--- a/langtools/make/build.properties Thu Dec 10 20:35:31 2009 -0800
+++ b/langtools/make/build.properties Fri Dec 11 14:26:27 2009 -0800
@@ -149,11 +149,26 @@
#
# The following files require the import JDK to be available
-require.import.jdk.files =
+require.import.jdk.files = \
+ com/sun/tools/javac/nio/*.java
# The following files in the import jdk source directory are required
# in order to compile the files defined in ${require.import.jdk.files}
-import.jdk.stub.files =
+#
+# For NIO, the list of stub files is defined by the contents of the primary
+# API packages, together with such types that may be required in order to
+# compile the stubs. Some of these dependencies would go away if the stub
+# generator were to be improved -- e.g. by removing unnecessary imports.
+#
+import.jdk.stub.files = \
+ java/io/File.java \
+ java/nio/file/**.java \
+ java/nio/file/attribute/**.java \
+ java/nio/file/spi/**.java \
+ java/nio/channels/AsynchronousChannel.java \
+ java/nio/channels/AsynchronousFileChannel.java \
+ java/nio/channels/CompletionHandler.java \
+ java/nio/channels/SeekableByteChannel.java
# The following value is used by the main jtreg target.
# An empty value means all tests
--- a/langtools/make/build.xml Thu Dec 10 20:35:31 2009 -0800
+++ b/langtools/make/build.xml Fri Dec 11 14:26:27 2009 -0800
@@ -98,7 +98,7 @@
import.jdk should be unset, or set to jdk home (to use rt.jar)
or to jdk repo (to use src/share/classes).
Based on the value, if any, set up default values for javac's sourcepath,
- classpath and bootclasspath. Note: the default values are overridden
+ classpath and bootclasspath. Note: the default values are overridden
in the build-bootstrap-classes macro. -->
<available property="import.jdk.src.dir" value="${import.jdk}/src/share/classes"
@@ -552,8 +552,8 @@
<compilerarg line="${javac.version.opt}"/>
<compilerarg line="${javac.lint.opts}"/>
</javac>
- <copy todir="@{classes.dir}">
- <fileset dir="${src.classes.dir}" includes="@{includes}">
+ <copy todir="@{classes.dir}" includeemptydirs="false">
+ <fileset dir="${src.classes.dir}" includes="@{includes}" excludes="@{excludes}">
<exclude name="**/*.java"/>
<exclude name="**/*.properties"/>
<exclude name="**/*-template"/>
--- a/langtools/src/share/classes/com/sun/tools/javac/file/BaseFileObject.java Thu Dec 10 20:35:31 2009 -0800
+++ b/langtools/src/share/classes/com/sun/tools/javac/file/BaseFileObject.java Fri Dec 11 14:26:27 2009 -0800
@@ -39,6 +39,8 @@
import static javax.tools.JavaFileObject.Kind.*;
+import com.sun.tools.javac.util.BaseFileManager;
+
/**
* <p><b>This is NOT part of any API supported by Sun Microsystems.
* If you write code that depends on this, you do so at your own risk.
@@ -74,14 +76,7 @@
protected abstract String inferBinaryName(Iterable<? extends File> path);
protected static JavaFileObject.Kind getKind(String filename) {
- if (filename.endsWith(CLASS.extension))
- return CLASS;
- else if (filename.endsWith(SOURCE.extension))
- return SOURCE;
- else if (filename.endsWith(HTML.extension))
- return HTML;
- else
- return OTHER;
+ return BaseFileManager.getKind(filename);
}
protected static String removeExtension(String fileName) {
--- a/langtools/src/share/classes/com/sun/tools/javac/file/CloseableURLClassLoader.java Thu Dec 10 20:35:31 2009 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-/*
- * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Sun designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Sun in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- */
-
-package com.sun.tools.javac.file;
-
-import java.io.Closeable;
-import java.io.IOException;
-import java.lang.reflect.Field;
-import java.net.URL;
-import java.net.URLClassLoader;
-import java.util.ArrayList;
-import java.util.jar.JarFile;
-
-/**
- * A URLClassLoader that also implements Closeable.
- * Reflection is used to access internal data structures in the URLClassLoader,
- * since no public API exists for this purpose. Therefore this code is somewhat
- * fragile. Caveat emptor.
- * @throws Error if the internal data structures are not as expected.
- *
- * <p><b>This is NOT part of any API supported by Sun Microsystems. If
- * you write code that depends on this, you do so at your own risk.
- * This code and its internal interfaces are subject to change or
- * deletion without notice.</b>
- */
-class CloseableURLClassLoader
- extends URLClassLoader implements Closeable {
- CloseableURLClassLoader(URL[] urls, ClassLoader parent) throws Error {
- super(urls, parent);
- try {
- getLoaders(); //proactive check that URLClassLoader is as expected
- } catch (Throwable t) {
- throw new Error("cannot create CloseableURLClassLoader", t);
- }
- }
-
- /**
- * Close any jar files that may have been opened by the class loader.
- * Reflection is used to access the jar files in the URLClassLoader's
- * internal data structures.
- * @throws java.io.IOException if the jar files cannot be found for any
- * reson, or if closing the jar file itself causes an IOException.
- */
- public void close() throws IOException {
- try {
- for (Object l: getLoaders()) {
- if (l.getClass().getName().equals("sun.misc.URLClassPath$JarLoader")) {
- Field jarField = l.getClass().getDeclaredField("jar");
- JarFile jar = (JarFile) getField(l, jarField);
- if (jar != null) {
- //System.err.println("CloseableURLClassLoader: closing " + jar);
- jar.close();
- }
- }
- }
- } catch (Throwable t) {
- IOException e = new IOException("cannot close class loader");
- e.initCause(t);
- throw e;
- }
- }
-
- private ArrayList<?> getLoaders()
- throws NoSuchFieldException, IllegalArgumentException, IllegalAccessException
- {
- Field ucpField = URLClassLoader.class.getDeclaredField("ucp");
- Object urlClassPath = getField(this, ucpField);
- if (urlClassPath == null)
- throw new AssertionError("urlClassPath not set in URLClassLoader");
- Field loadersField = urlClassPath.getClass().getDeclaredField("loaders");
- return (ArrayList<?>) getField(urlClassPath, loadersField);
- }
-
- private Object getField(Object o, Field f)
- throws IllegalArgumentException, IllegalAccessException {
- boolean prev = f.isAccessible();
- try {
- f.setAccessible(true);
- return f.get(o);
- } finally {
- f.setAccessible(prev);
- }
- }
-
-}
--- a/langtools/src/share/classes/com/sun/tools/javac/file/JavacFileManager.java Thu Dec 10 20:35:31 2009 -0800
+++ b/langtools/src/share/classes/com/sun/tools/javac/file/JavacFileManager.java Fri Dec 11 14:26:27 2009 -0800
@@ -26,29 +26,16 @@
package com.sun.tools.javac.file;
import java.io.ByteArrayOutputStream;
-import java.io.Closeable;
import java.io.File;
-import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
-import java.io.InputStream;
import java.io.OutputStreamWriter;
-import java.lang.ref.SoftReference;
-import java.lang.reflect.Constructor;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
-import java.net.URLClassLoader;
-import java.nio.ByteBuffer;
import java.nio.CharBuffer;
-import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
-import java.nio.charset.CharsetDecoder;
-import java.nio.charset.CoderResult;
-import java.nio.charset.CodingErrorAction;
-import java.nio.charset.IllegalCharsetNameException;
-import java.nio.charset.UnsupportedCharsetException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
@@ -66,18 +53,13 @@
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
-import com.sun.tools.javac.code.Source;
import com.sun.tools.javac.file.RelativePath.RelativeFile;
import com.sun.tools.javac.file.RelativePath.RelativeDirectory;
-import com.sun.tools.javac.main.JavacOption;
import com.sun.tools.javac.main.OptionName;
-import com.sun.tools.javac.main.RecognizedOptions;
+import com.sun.tools.javac.util.BaseFileManager;
import com.sun.tools.javac.util.Context;
-import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
import com.sun.tools.javac.util.List;
import com.sun.tools.javac.util.ListBuffer;
-import com.sun.tools.javac.util.Log;
-import com.sun.tools.javac.util.Options;
import static javax.tools.StandardLocation.*;
import static com.sun.tools.javac.main.OptionName.*;
@@ -91,7 +73,7 @@
* This code and its internal interfaces are subject to change or
* deletion without notice.</b>
*/
-public class JavacFileManager implements StandardJavaFileManager {
+public class JavacFileManager extends BaseFileManager implements StandardJavaFileManager {
boolean useZipFileIndex;
@@ -102,17 +84,10 @@
return buffer.toString().toCharArray();
}
- /**
- * The log to be used for error reporting.
- */
- protected Log log;
-
/** Encapsulates knowledge of paths
*/
private Paths paths;
- private Options options;
-
private FSInfo fsInfo;
private final File uninited = new File("U N I N I T E D");
@@ -134,12 +109,6 @@
protected boolean mmappedIO;
protected boolean ignoreSymbolFile;
- protected String classLoaderClass;
-
- /**
- * User provided charset (through javax.tools).
- */
- protected Charset charset;
/**
* Register a Context.Factory to create a JavacFileManager.
@@ -157,18 +126,18 @@
* it as the JavaFileManager for that context.
*/
public JavacFileManager(Context context, boolean register, Charset charset) {
+ super(charset);
if (register)
context.put(JavaFileManager.class, this);
- byteBufferCache = new ByteBufferCache();
- this.charset = charset;
setContext(context);
}
/**
* Set the context for JavacFileManager.
*/
+ @Override
public void setContext(Context context) {
- log = Log.instance(context);
+ super.setContext(context);
if (paths == null) {
paths = Paths.instance(context);
} else {
@@ -177,14 +146,12 @@
paths.setContext(context);
}
- options = Options.instance(context);
fsInfo = FSInfo.instance(context);
useZipFileIndex = System.getProperty("useJavaUtilZip") == null;// TODO: options.get("useJavaUtilZip") == null;
mmappedIO = options.get("mmappedIO") != null;
ignoreSymbolFile = options.get("ignore.symbol.file") != null;
- classLoaderClass = options.get("procloader");
}
public JavaFileObject getFileForInput(String name) {
@@ -214,17 +181,6 @@
return getJavaFileObjectsFromStrings(Arrays.asList(nullCheck(names)));
}
- protected JavaFileObject.Kind getKind(String extension) {
- if (extension.equals(JavaFileObject.Kind.CLASS.extension))
- return JavaFileObject.Kind.CLASS;
- else if (extension.equals(JavaFileObject.Kind.SOURCE.extension))
- return JavaFileObject.Kind.SOURCE;
- else if (extension.equals(JavaFileObject.Kind.HTML.extension))
- return JavaFileObject.Kind.HTML;
- else
- return JavaFileObject.Kind.OTHER;
- }
-
private static boolean isValidName(String name) {
// Arguably, isValidName should reject keywords (such as in SourceVersion.isName() ),
// but the set of keywords depends on the source level, and we don't want
@@ -359,9 +315,7 @@
}
private boolean isValidFile(String s, Set<JavaFileObject.Kind> fileKinds) {
- int lastDot = s.lastIndexOf(".");
- String extn = (lastDot == -1 ? s : s.substring(lastDot));
- JavaFileObject.Kind kind = getKind(extn);
+ JavaFileObject.Kind kind = getKind(s);
return fileKinds.contains(kind);
}
@@ -564,18 +518,6 @@
}
}
- CharBuffer getCachedContent(JavaFileObject file) {
- SoftReference<CharBuffer> r = contentCache.get(file);
- return (r == null ? null : r.get());
- }
-
- void cache(JavaFileObject file, CharBuffer cb) {
- contentCache.put(file, new SoftReference<CharBuffer>(cb));
- }
-
- private final Map<JavaFileObject, SoftReference<CharBuffer>> contentCache
- = new HashMap<JavaFileObject, SoftReference<CharBuffer>>();
-
private String defaultEncodingName;
private String getDefaultEncodingName() {
if (defaultEncodingName == null) {
@@ -585,161 +527,6 @@
return defaultEncodingName;
}
- protected String getEncodingName() {
- String encName = options.get(OptionName.ENCODING);
- if (encName == null)
- return getDefaultEncodingName();
- else
- return encName;
- }
-
- protected Source getSource() {
- String sourceName = options.get(OptionName.SOURCE);
- Source source = null;
- if (sourceName != null)
- source = Source.lookup(sourceName);
- return (source != null ? source : Source.DEFAULT);
- }
-
- /**
- * Make a byte buffer from an input stream.
- */
- ByteBuffer makeByteBuffer(InputStream in)
- throws IOException {
- int limit = in.available();
- if (mmappedIO && in instanceof FileInputStream) {
- // Experimental memory mapped I/O
- FileInputStream fin = (FileInputStream)in;
- return fin.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, limit);
- }
- if (limit < 1024) limit = 1024;
- ByteBuffer result = byteBufferCache.get(limit);
- int position = 0;
- while (in.available() != 0) {
- if (position >= limit)
- // expand buffer
- result = ByteBuffer.
- allocate(limit <<= 1).
- put((ByteBuffer)result.flip());
- int count = in.read(result.array(),
- position,
- limit - position);
- if (count < 0) break;
- result.position(position += count);
- }
- return (ByteBuffer)result.flip();
- }
-
- void recycleByteBuffer(ByteBuffer bb) {
- byteBufferCache.put(bb);
- }
-
- /**
- * A single-element cache of direct byte buffers.
- */
- private static class ByteBufferCache {
- private ByteBuffer cached;
- ByteBuffer get(int capacity) {
- if (capacity < 20480) capacity = 20480;
- ByteBuffer result =
- (cached != null && cached.capacity() >= capacity)
- ? (ByteBuffer)cached.clear()
- : ByteBuffer.allocate(capacity + capacity>>1);
- cached = null;
- return result;
- }
- void put(ByteBuffer x) {
- cached = x;
- }
- }
-
- private final ByteBufferCache byteBufferCache;
-
- CharsetDecoder getDecoder(String encodingName, boolean ignoreEncodingErrors) {
- Charset cs = (this.charset == null)
- ? Charset.forName(encodingName)
- : this.charset;
- CharsetDecoder decoder = cs.newDecoder();
-
- CodingErrorAction action;
- if (ignoreEncodingErrors)
- action = CodingErrorAction.REPLACE;
- else
- action = CodingErrorAction.REPORT;
-
- return decoder
- .onMalformedInput(action)
- .onUnmappableCharacter(action);
- }
-
- /**
- * Decode a ByteBuffer into a CharBuffer.
- */
- CharBuffer decode(ByteBuffer inbuf, boolean ignoreEncodingErrors) {
- String encodingName = getEncodingName();
- CharsetDecoder decoder;
- try {
- decoder = getDecoder(encodingName, ignoreEncodingErrors);
- } catch (IllegalCharsetNameException e) {
- log.error("unsupported.encoding", encodingName);
- return (CharBuffer)CharBuffer.allocate(1).flip();
- } catch (UnsupportedCharsetException e) {
- log.error("unsupported.encoding", encodingName);
- return (CharBuffer)CharBuffer.allocate(1).flip();
- }
-
- // slightly overestimate the buffer size to avoid reallocation.
- float factor =
- decoder.averageCharsPerByte() * 0.8f +
- decoder.maxCharsPerByte() * 0.2f;
- CharBuffer dest = CharBuffer.
- allocate(10 + (int)(inbuf.remaining()*factor));
-
- while (true) {
- CoderResult result = decoder.decode(inbuf, dest, true);
- dest.flip();
-
- if (result.isUnderflow()) { // done reading
- // make sure there is at least one extra character
- if (dest.limit() == dest.capacity()) {
- dest = CharBuffer.allocate(dest.capacity()+1).put(dest);
- dest.flip();
- }
- return dest;
- } else if (result.isOverflow()) { // buffer too small; expand
- int newCapacity =
- 10 + dest.capacity() +
- (int)(inbuf.remaining()*decoder.maxCharsPerByte());
- dest = CharBuffer.allocate(newCapacity).put(dest);
- } else if (result.isMalformed() || result.isUnmappable()) {
- // bad character in input
-
- // report coding error (warn only pre 1.5)
- if (!getSource().allowEncodingErrors()) {
- log.error(new SimpleDiagnosticPosition(dest.limit()),
- "illegal.char.for.encoding",
- charset == null ? encodingName : charset.name());
- } else {
- log.warning(new SimpleDiagnosticPosition(dest.limit()),
- "illegal.char.for.encoding",
- charset == null ? encodingName : charset.name());
- }
-
- // skip past the coding error
- inbuf.position(inbuf.position() + result.length());
-
- // undo the flip() to prepare the output buffer
- // for more translation
- dest.position(dest.limit());
- dest.limit(dest.capacity());
- dest.put((char)0xfffd); // backward compatible
- } else {
- throw new AssertionError(result);
- }
- }
- // unreached
- }
-
public ClassLoader getClassLoader(Location location) {
nullCheck(location);
Iterable<? extends File> path = getLocation(location);
@@ -754,39 +541,7 @@
}
}
- URL[] urls = lb.toArray(new URL[lb.size()]);
- ClassLoader thisClassLoader = getClass().getClassLoader();
-
- // Bug: 6558476
- // Ideally, ClassLoader should be Closeable, but before JDK7 it is not.
- // On older versions, try the following, to get a closeable classloader.
-
- // 1: Allow client to specify the class to use via hidden option
- if (classLoaderClass != null) {
- try {
- Class<? extends ClassLoader> loader =
- Class.forName(classLoaderClass).asSubclass(ClassLoader.class);
- Class<?>[] constrArgTypes = { URL[].class, ClassLoader.class };
- Constructor<? extends ClassLoader> constr = loader.getConstructor(constrArgTypes);
- return constr.newInstance(new Object[] { urls, thisClassLoader });
- } catch (Throwable t) {
- // ignore errors loading user-provided class loader, fall through
- }
- }
-
- // 2: If URLClassLoader implements Closeable, use that.
- if (Closeable.class.isAssignableFrom(URLClassLoader.class))
- return new URLClassLoader(urls, thisClassLoader);
-
- // 3: Try using private reflection-based CloseableURLClassLoader
- try {
- return new CloseableURLClassLoader(urls, thisClassLoader);
- } catch (Throwable t) {
- // ignore errors loading workaround class loader, fall through
- }
-
- // 4: If all else fails, use plain old standard URLClassLoader
- return new URLClassLoader(urls, thisClassLoader);
+ return getClassLoader(lb.toArray(new URL[lb.size()]));
}
public Iterable<JavaFileObject> list(Location location,
@@ -836,38 +591,6 @@
return a.equals(b);
}
- public boolean handleOption(String current, Iterator<String> remaining) {
- for (JavacOption o: javacFileManagerOptions) {
- if (o.matches(current)) {
- if (o.hasArg()) {
- if (remaining.hasNext()) {
- if (!o.process(options, current, remaining.next()))
- return true;
- }
- } else {
- if (!o.process(options, current))
- return true;
- }
- // operand missing, or process returned false
- throw new IllegalArgumentException(current);
- }
- }
-
- return false;
- }
- // where
- private static JavacOption[] javacFileManagerOptions =
- RecognizedOptions.getJavacFileManagerOptions(
- new RecognizedOptions.GrumpyHelper());
-
- public int isSupportedOption(String option) {
- for (JavacOption o : javacFileManagerOptions) {
- if (o.matches(option))
- return o.hasArg() ? 1 : 0;
- }
- return -1;
- }
-
public boolean hasLocation(Location location) {
return getLocation(location) != null;
}
@@ -1115,15 +838,4 @@
}
throw new IllegalArgumentException("Invalid relative path: " + file);
}
-
- private static <T> T nullCheck(T o) {
- o.getClass(); // null check
- return o;
- }
-
- private static <T> Iterable<T> nullCheck(Iterable<T> it) {
- for (T t : it)
- t.getClass(); // null check
- return it;
- }
}
--- a/langtools/src/share/classes/com/sun/tools/javac/file/Paths.java Thu Dec 10 20:35:31 2009 -0800
+++ b/langtools/src/share/classes/com/sun/tools/javac/file/Paths.java Fri Dec 11 14:26:27 2009 -0800
@@ -66,7 +66,7 @@
* @param context the context
* @return the Paths instance for this context
*/
- static Paths instance(Context context) {
+ public static Paths instance(Context context) {
Paths instance = context.get(pathsKey);
if (instance == null)
instance = new Paths(context);
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/nio/JavacPathFileManager.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,543 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.nio;
+
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.FileVisitOption;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.Attributes;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+import javax.lang.model.SourceVersion;
+import javax.tools.FileObject;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+import javax.tools.StandardLocation;
+
+import static java.nio.file.FileVisitOption.*;
+import static javax.tools.StandardLocation.*;
+
+import com.sun.tools.javac.file.Paths;
+import com.sun.tools.javac.util.BaseFileManager;
+import com.sun.tools.javac.util.Context;
+import com.sun.tools.javac.util.List;
+import com.sun.tools.javac.util.ListBuffer;
+
+import static com.sun.tools.javac.main.OptionName.*;
+
+
+// NOTE the imports carefully for this compilation unit.
+//
+// Path: java.nio.file.Path -- the new NIO type for which this file manager exists
+//
+// Paths: com.sun.tools.javac.file.Paths -- legacy javac type for handling path options
+// The other Paths (java.nio.file.Paths) is not used
+
+// NOTE this and related classes depend on new API in JDK 7.
+// This requires special handling while bootstrapping the JDK build,
+// when these classes might not yet have been compiled. To workaround
+// this, the build arranges to make stubs of these classes available
+// when compiling this and related classes. The set of stub files
+// is specified in make/build.properties.
+
+/**
+ * Implementation of PathFileManager: a JavaFileManager based on the use
+ * of java.nio.file.Path.
+ *
+ * <p>Just as a Path is somewhat analagous to a File, so too is this
+ * JavacPathFileManager analogous to JavacFileManager, as it relates to the
+ * support of FileObjects based on File objects (i.e. just RegularFileObject,
+ * not ZipFileObject and its variants.)
+ *
+ * <p>The default values for the standard locations supported by this file
+ * manager are the same as the default values provided by JavacFileManager --
+ * i.e. as determined by the javac.file.Paths class. To override these values,
+ * call {@link #setLocation}.
+ *
+ * <p>To reduce confusion with Path objects, the locations such as "class path",
+ * "source path", etc, are generically referred to here as "search paths".
+ *
+ * <p><b>This is NOT part of any API supported by Sun Microsystems. If
+ * you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+public class JavacPathFileManager extends BaseFileManager implements PathFileManager {
+ protected FileSystem defaultFileSystem;
+
+ /**
+ * Create a JavacPathFileManager using a given context, optionally registering
+ * it as the JavaFileManager for that context.
+ */
+ public JavacPathFileManager(Context context, boolean register, Charset charset) {
+ super(charset);
+ if (register)
+ context.put(JavaFileManager.class, this);
+ pathsForLocation = new HashMap<Location, PathsForLocation>();
+ fileSystems = new HashMap<Path,FileSystem>();
+ setContext(context);
+ }
+
+ /**
+ * Set the context for JavacPathFileManager.
+ */
+ @Override
+ protected void setContext(Context context) {
+ super.setContext(context);
+ searchPaths = Paths.instance(context);
+ }
+
+ @Override
+ public FileSystem getDefaultFileSystem() {
+ if (defaultFileSystem == null)
+ defaultFileSystem = FileSystems.getDefault();
+ return defaultFileSystem;
+ }
+
+ @Override
+ public void setDefaultFileSystem(FileSystem fs) {
+ defaultFileSystem = fs;
+ }
+
+ @Override
+ public void flush() throws IOException {
+ contentCache.clear();
+ }
+
+ @Override
+ public void close() throws IOException {
+ for (FileSystem fs: fileSystems.values())
+ fs.close();
+ }
+
+ @Override
+ public ClassLoader getClassLoader(Location location) {
+ nullCheck(location);
+ Iterable<? extends Path> path = getLocation(location);
+ if (path == null)
+ return null;
+ ListBuffer<URL> lb = new ListBuffer<URL>();
+ for (Path p: path) {
+ try {
+ lb.append(p.toUri().toURL());
+ } catch (MalformedURLException e) {
+ throw new AssertionError(e);
+ }
+ }
+
+ return getClassLoader(lb.toArray(new URL[lb.size()]));
+ }
+
+ // <editor-fold defaultstate="collapsed" desc="Location handling">
+
+ public boolean hasLocation(Location location) {
+ return (getLocation(location) != null);
+ }
+
+ public Iterable<? extends Path> getLocation(Location location) {
+ nullCheck(location);
+ lazyInitSearchPaths();
+ PathsForLocation path = pathsForLocation.get(location);
+ if (path == null && !pathsForLocation.containsKey(location)) {
+ setDefaultForLocation(location);
+ path = pathsForLocation.get(location);
+ }
+ return path;
+ }
+
+ private Path getOutputLocation(Location location) {
+ Iterable<? extends Path> paths = getLocation(location);
+ return (paths == null ? null : paths.iterator().next());
+ }
+
+ public void setLocation(Location location, Iterable<? extends Path> searchPath)
+ throws IOException
+ {
+ nullCheck(location);
+ lazyInitSearchPaths();
+ if (searchPath == null) {
+ setDefaultForLocation(location);
+ } else {
+ if (location.isOutputLocation())
+ checkOutputPath(searchPath);
+ PathsForLocation pl = new PathsForLocation();
+ for (Path p: searchPath)
+ pl.add(p); // TODO -Xlint:path warn if path not found
+ pathsForLocation.put(location, pl);
+ }
+ }
+
+ private void checkOutputPath(Iterable<? extends Path> searchPath) throws IOException {
+ Iterator<? extends Path> pathIter = searchPath.iterator();
+ if (!pathIter.hasNext())
+ throw new IllegalArgumentException("empty path for directory");
+ Path path = pathIter.next();
+ if (pathIter.hasNext())
+ throw new IllegalArgumentException("path too long for directory");
+ if (!path.exists())
+ throw new FileNotFoundException(path + ": does not exist");
+ else if (!isDirectory(path))
+ throw new IOException(path + ": not a directory");
+ }
+
+ private void setDefaultForLocation(Location locn) {
+ Collection<File> files = null;
+ if (locn instanceof StandardLocation) {
+ switch ((StandardLocation) locn) {
+ case CLASS_PATH:
+ files = searchPaths.userClassPath();
+ break;
+ case PLATFORM_CLASS_PATH:
+ files = searchPaths.bootClassPath();
+ break;
+ case SOURCE_PATH:
+ files = searchPaths.sourcePath();
+ break;
+ case CLASS_OUTPUT: {
+ String arg = options.get(D);
+ files = (arg == null ? null : Collections.singleton(new File(arg)));
+ break;
+ }
+ case SOURCE_OUTPUT: {
+ String arg = options.get(S);
+ files = (arg == null ? null : Collections.singleton(new File(arg)));
+ break;
+ }
+ }
+ }
+
+ PathsForLocation pl = new PathsForLocation();
+ if (files != null) {
+ for (File f: files)
+ pl.add(f.toPath());
+ }
+ pathsForLocation.put(locn, pl);
+ }
+
+ private void lazyInitSearchPaths() {
+ if (!inited) {
+ setDefaultForLocation(PLATFORM_CLASS_PATH);
+ setDefaultForLocation(CLASS_PATH);
+ setDefaultForLocation(SOURCE_PATH);
+ inited = true;
+ }
+ }
+ // where
+ private boolean inited = false;
+
+ private Map<Location, PathsForLocation> pathsForLocation;
+ private Paths searchPaths;
+
+ private static class PathsForLocation extends LinkedHashSet<Path> {
+ private static final long serialVersionUID = 6788510222394486733L;
+ }
+
+ // </editor-fold>
+
+ // <editor-fold defaultstate="collapsed" desc="FileObject handling">
+
+ @Override
+ public Path getPath(FileObject fo) {
+ nullCheck(fo);
+ if (!(fo instanceof PathFileObject))
+ throw new IllegalArgumentException();
+ return ((PathFileObject) fo).getPath();
+ }
+
+ @Override
+ public boolean isSameFile(FileObject a, FileObject b) {
+ nullCheck(a);
+ nullCheck(b);
+ if (!(a instanceof PathFileObject))
+ throw new IllegalArgumentException("Not supported: " + a);
+ if (!(b instanceof PathFileObject))
+ throw new IllegalArgumentException("Not supported: " + b);
+ return ((PathFileObject) a).isSameFile((PathFileObject) b);
+ }
+
+ @Override
+ public Iterable<JavaFileObject> list(Location location,
+ String packageName, Set<Kind> kinds, boolean recurse)
+ throws IOException {
+ // validatePackageName(packageName);
+ nullCheck(packageName);
+ nullCheck(kinds);
+
+ Iterable<? extends Path> paths = getLocation(location);
+ if (paths == null)
+ return List.nil();
+ ListBuffer<JavaFileObject> results = new ListBuffer<JavaFileObject>();
+
+ for (Path path : paths)
+ list(path, packageName, kinds, recurse, results);
+
+ return results.toList();
+ }
+
+ private void list(Path path, String packageName, final Set<Kind> kinds,
+ boolean recurse, final ListBuffer<JavaFileObject> results)
+ throws IOException {
+ if (!path.exists())
+ return;
+
+ final Path pathDir;
+ if (isDirectory(path))
+ pathDir = path;
+ else {
+ FileSystem fs = getFileSystem(path);
+ if (fs == null)
+ return;
+ pathDir = fs.getRootDirectories().iterator().next();
+ }
+ String sep = path.getFileSystem().getSeparator();
+ Path packageDir = packageName.isEmpty() ? pathDir
+ : pathDir.resolve(packageName.replace(".", sep));
+ if (!packageDir.exists())
+ return;
+
+/* Alternate impl of list, superceded by use of Files.walkFileTree */
+// Deque<Path> queue = new LinkedList<Path>();
+// queue.add(packageDir);
+//
+// Path dir;
+// while ((dir = queue.poll()) != null) {
+// DirectoryStream<Path> ds = dir.newDirectoryStream();
+// try {
+// for (Path p: ds) {
+// String name = p.getName().toString();
+// if (isDirectory(p)) {
+// if (recurse && SourceVersion.isIdentifier(name)) {
+// queue.add(p);
+// }
+// } else {
+// if (kinds.contains(getKind(name))) {
+// JavaFileObject fe =
+// PathFileObject.createDirectoryPathFileObject(this, p, pathDir);
+// results.append(fe);
+// }
+// }
+// }
+// } finally {
+// ds.close();
+// }
+// }
+ int maxDepth = (recurse ? Integer.MAX_VALUE : 1);
+ Set<FileVisitOption> opts = EnumSet.of(DETECT_CYCLES, FOLLOW_LINKS);
+ Files.walkFileTree(packageDir, opts, maxDepth,
+ new SimpleFileVisitor<Path>() {
+ @Override
+ public FileVisitResult preVisitDirectory(Path dir) {
+ if (SourceVersion.isIdentifier(dir.getName().toString())) // JSR 292?
+ return FileVisitResult.CONTINUE;
+ else
+ return FileVisitResult.SKIP_SUBTREE;
+ }
+
+ @Override
+ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
+ if (attrs.isRegularFile() && kinds.contains(getKind(file.getName().toString()))) {
+ JavaFileObject fe =
+ PathFileObject.createDirectoryPathFileObject(
+ JavacPathFileManager.this, file, pathDir);
+ results.append(fe);
+ }
+ return FileVisitResult.CONTINUE;
+ }
+ });
+ }
+
+ @Override
+ public Iterable<? extends JavaFileObject> getJavaFileObjectsFromPaths(
+ Iterable<? extends Path> paths) {
+ ArrayList<PathFileObject> result;
+ if (paths instanceof Collection<?>)
+ result = new ArrayList<PathFileObject>(((Collection<?>)paths).size());
+ else
+ result = new ArrayList<PathFileObject>();
+ for (Path p: paths)
+ result.add(PathFileObject.createSimplePathFileObject(this, nullCheck(p)));
+ return result;
+ }
+
+ @Override
+ public Iterable<? extends JavaFileObject> getJavaFileObjects(Path... paths) {
+ return getJavaFileObjectsFromPaths(Arrays.asList(nullCheck(paths)));
+ }
+
+ @Override
+ public JavaFileObject getJavaFileForInput(Location location,
+ String className, Kind kind) throws IOException {
+ return getFileForInput(location, getRelativePath(className, kind));
+ }
+
+ @Override
+ public FileObject getFileForInput(Location location,
+ String packageName, String relativeName) throws IOException {
+ return getFileForInput(location, getRelativePath(packageName, relativeName));
+ }
+
+ private JavaFileObject getFileForInput(Location location, String relativePath)
+ throws IOException {
+ for (Path p: getLocation(location)) {
+ if (isDirectory(p)) {
+ Path f = resolve(p, relativePath);
+ if (f.exists())
+ return PathFileObject.createDirectoryPathFileObject(this, f, p);
+ } else {
+ FileSystem fs = getFileSystem(p);
+ if (fs != null) {
+ Path file = getPath(fs, relativePath);
+ if (file.exists())
+ return PathFileObject.createJarPathFileObject(this, file);
+ }
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public JavaFileObject getJavaFileForOutput(Location location,
+ String className, Kind kind, FileObject sibling) throws IOException {
+ return getFileForOutput(location, getRelativePath(className, kind), sibling);
+ }
+
+ @Override
+ public FileObject getFileForOutput(Location location, String packageName,
+ String relativeName, FileObject sibling)
+ throws IOException {
+ return getFileForOutput(location, getRelativePath(packageName, relativeName), sibling);
+ }
+
+ private JavaFileObject getFileForOutput(Location location,
+ String relativePath, FileObject sibling) {
+ Path dir = getOutputLocation(location);
+ if (dir == null) {
+ if (location == CLASS_OUTPUT) {
+ Path siblingDir = null;
+ if (sibling != null && sibling instanceof PathFileObject) {
+ siblingDir = ((PathFileObject) sibling).getPath().getParent();
+ }
+ return PathFileObject.createSiblingPathFileObject(this,
+ siblingDir.resolve(getBaseName(relativePath)),
+ relativePath);
+ } else if (location == SOURCE_OUTPUT) {
+ dir = getOutputLocation(CLASS_OUTPUT);
+ }
+ }
+
+ Path file;
+ if (dir != null) {
+ file = resolve(dir, relativePath);
+ return PathFileObject.createDirectoryPathFileObject(this, file, dir);
+ } else {
+ file = getPath(getDefaultFileSystem(), relativePath);
+ return PathFileObject.createSimplePathFileObject(this, file);
+ }
+
+ }
+
+ @Override
+ public String inferBinaryName(Location location, JavaFileObject fo) {
+ nullCheck(fo);
+ // Need to match the path semantics of list(location, ...)
+ Iterable<? extends Path> paths = getLocation(location);
+ if (paths == null) {
+ return null;
+ }
+
+ if (!(fo instanceof PathFileObject))
+ throw new IllegalArgumentException(fo.getClass().getName());
+
+ return ((PathFileObject) fo).inferBinaryName(paths);
+ }
+
+ private FileSystem getFileSystem(Path p) throws IOException {
+ FileSystem fs = fileSystems.get(p);
+ if (fs == null) {
+ fs = FileSystems.newFileSystem(p, Collections.<String,Void>emptyMap(), null);
+ fileSystems.put(p, fs);
+ }
+ return fs;
+ }
+
+ private Map<Path,FileSystem> fileSystems;
+
+ // </editor-fold>
+
+ // <editor-fold defaultstate="collapsed" desc="Utility methods">
+
+ private static String getRelativePath(String className, Kind kind) {
+ return className.replace(".", "/") + kind.extension;
+ }
+
+ private static String getRelativePath(String packageName, String relativeName) {
+ return packageName.replace(".", "/") + relativeName;
+ }
+
+ private static String getBaseName(String relativePath) {
+ int lastSep = relativePath.lastIndexOf("/");
+ return relativePath.substring(lastSep + 1); // safe if "/" not found
+ }
+
+ private static boolean isDirectory(Path path) throws IOException {
+ BasicFileAttributes attrs = Attributes.readBasicFileAttributes(path);
+ return attrs.isDirectory();
+ }
+
+ private static Path getPath(FileSystem fs, String relativePath) {
+ return fs.getPath(relativePath.replace("/", fs.getSeparator()));
+ }
+
+ private static Path resolve(Path base, String relativePath) {
+ FileSystem fs = base.getFileSystem();
+ Path rp = fs.getPath(relativePath.replace("/", fs.getSeparator()));
+ return base.resolve(rp);
+ }
+
+ // </editor-fold>
+
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/nio/PathFileManager.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.nio;
+
+import java.io.IOException;
+import java.nio.file.FileSystem;
+import java.nio.file.Path;
+import javax.tools.FileObject;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+
+/**
+ * File manager based on {@linkplain File java.nio.file.Path}.
+ *
+ * Eventually, this should be moved to javax.tools.
+ * Also, JavaCompiler might reasonably provide a method getPathFileManager,
+ * similar to {@link javax.tools.JavaCompiler#getStandardFileManager
+ * getStandardFileManager}. However, would need to be handled carefully
+ * as another forward reference from langtools to jdk.
+ *
+ * <p><b>This is NOT part of any API supported by Sun Microsystems. If
+ * you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+public interface PathFileManager extends JavaFileManager {
+ /**
+ * Get the default file system used to create paths. If no value has been
+ * set, the default file system is {@link FileSystems#getDefault}.
+ */
+ FileSystem getDefaultFileSystem();
+
+ /**
+ * Set the default file system used to create paths.
+ * @param fs the default file system used to create any new paths.
+ */
+ void setDefaultFileSystem(FileSystem fs);
+
+ /**
+ * Get file objects representing the given files.
+ *
+ * @param paths a list of paths
+ * @return a list of file objects
+ * @throws IllegalArgumentException if the list of paths includes
+ * a directory
+ */
+ Iterable<? extends JavaFileObject> getJavaFileObjectsFromPaths(
+ Iterable<? extends Path> paths);
+
+ /**
+ * Get file objects representing the given paths.
+ * Convenience method equivalent to:
+ *
+ * <pre>
+ * getJavaFileObjectsFromPaths({@linkplain java.util.Arrays#asList Arrays.asList}(paths))
+ * </pre>
+ *
+ * @param paths an array of paths
+ * @return a list of file objects
+ * @throws IllegalArgumentException if the array of files includes
+ * a directory
+ * @throws NullPointerException if the given array contains null
+ * elements
+ */
+ Iterable<? extends JavaFileObject> getJavaFileObjects(Path... paths);
+
+ /**
+ * Return the Path for a file object that has been obtained from this
+ * file manager.
+ *
+ * @param fo A file object that has been obtained from this file manager.
+ * @return The underlying Path object.
+ * @throws IllegalArgumentException is the file object was not obtained from
+ * from this file manager.
+ */
+ Path getPath(FileObject fo);
+
+ /**
+ * Get the search path associated with the given location.
+ *
+ * @param location a location
+ * @return a list of paths or {@code null} if this location has no
+ * associated search path
+ * @see #setLocation
+ */
+ Iterable<? extends Path> getLocation(Location location);
+
+ /**
+ * Associate the given search path with the given location. Any
+ * previous value will be discarded.
+ *
+ * @param location a location
+ * @param searchPath a list of files, if {@code null} use the default
+ * search path for this location
+ * @see #getLocation
+ * @throws IllegalArgumentException if location is an output
+ * location and searchpath does not contain exactly one element
+ * @throws IOException if location is an output location and searchpath
+ * does not represent an existing directory
+ */
+ void setLocation(Location location, Iterable<? extends Path> searchPath) throws IOException;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/nio/PathFileObject.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.nio;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Reader;
+import java.io.Writer;
+import java.net.URI;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.CharsetDecoder;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.Attributes;
+import java.nio.file.attribute.BasicFileAttributes;
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.NestingKind;
+import javax.tools.JavaFileObject;
+
+import com.sun.tools.javac.util.BaseFileManager;
+
+
+/**
+ * Implementation of JavaFileObject using java.nio.file API.
+ *
+ * <p>PathFileObjects are, for the most part, straightforward wrappers around
+ * Path objects. The primary complexity is the support for "inferBinaryName".
+ * This is left as an abstract method, implemented by each of a number of
+ * different factory methods, which compute the binary name based on
+ * information available at the time the file object is created.
+ *
+ * <p><b>This is NOT part of any API supported by Sun Microsystems. If
+ * you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+abstract class PathFileObject implements JavaFileObject {
+ private JavacPathFileManager fileManager;
+ private Path path;
+
+ /**
+ * Create a PathFileObject within a directory, such that the binary name
+ * can be inferred from the relationship to the parent directory.
+ */
+ static PathFileObject createDirectoryPathFileObject(JavacPathFileManager fileManager,
+ final Path path, final Path dir) {
+ return new PathFileObject(fileManager, path) {
+ @Override
+ String inferBinaryName(Iterable<? extends Path> paths) {
+ return toBinaryName(dir.relativize(path));
+ }
+ };
+ }
+
+ /**
+ * Create a PathFileObject in a file system such as a jar file, such that
+ * the binary name can be inferred from its position within the filesystem.
+ */
+ static PathFileObject createJarPathFileObject(JavacPathFileManager fileManager,
+ final Path path) {
+ return new PathFileObject(fileManager, path) {
+ @Override
+ String inferBinaryName(Iterable<? extends Path> paths) {
+ return toBinaryName(path);
+ }
+ };
+ }
+
+ /**
+ * Create a PathFileObject whose binary name can be inferred from the
+ * relative path to a sibling.
+ */
+ static PathFileObject createSiblingPathFileObject(JavacPathFileManager fileManager,
+ final Path path, final String relativePath) {
+ return new PathFileObject(fileManager, path) {
+ @Override
+ String inferBinaryName(Iterable<? extends Path> paths) {
+ return toBinaryName(relativePath, "/");
+ }
+ };
+ }
+
+ /**
+ * Create a PathFileObject whose binary name might be inferred from its
+ * position on a search path.
+ */
+ static PathFileObject createSimplePathFileObject(JavacPathFileManager fileManager,
+ final Path path) {
+ return new PathFileObject(fileManager, path) {
+ @Override
+ String inferBinaryName(Iterable<? extends Path> paths) {
+ Path absPath = path.toAbsolutePath();
+ for (Path p: paths) {
+ Path ap = p.toAbsolutePath();
+ if (absPath.startsWith(ap)) {
+ try {
+ Path rp = ap.relativize(absPath);
+ if (rp != null) // maybe null if absPath same as ap
+ return toBinaryName(rp);
+ } catch (IllegalArgumentException e) {
+ // ignore this p if cannot relativize path to p
+ }
+ }
+ }
+ return null;
+ }
+ };
+ }
+
+ protected PathFileObject(JavacPathFileManager fileManager, Path path) {
+ fileManager.getClass(); // null check
+ path.getClass(); // null check
+ this.fileManager = fileManager;
+ this.path = path;
+ }
+
+ abstract String inferBinaryName(Iterable<? extends Path> paths);
+
+ /**
+ * Return the Path for this object.
+ * @return the Path for this object.
+ */
+ Path getPath() {
+ return path;
+ }
+
+ @Override
+ public Kind getKind() {
+ return BaseFileManager.getKind(path.getName().toString());
+ }
+
+ @Override
+ public boolean isNameCompatible(String simpleName, Kind kind) {
+ simpleName.getClass();
+ // null check
+ if (kind == Kind.OTHER && getKind() != kind) {
+ return false;
+ }
+ String sn = simpleName + kind.extension;
+ String pn = path.getName().toString();
+ if (pn.equals(sn)) {
+ return true;
+ }
+ if (pn.equalsIgnoreCase(sn)) {
+ try {
+ // allow for Windows
+ return path.toRealPath(false).getName().toString().equals(sn);
+ } catch (IOException e) {
+ }
+ }
+ return false;
+ }
+
+ @Override
+ public NestingKind getNestingKind() {
+ return null;
+ }
+
+ @Override
+ public Modifier getAccessLevel() {
+ return null;
+ }
+
+ @Override
+ public URI toUri() {
+ return path.toUri();
+ }
+
+ @Override
+ public String getName() {
+ return path.toString();
+ }
+
+ @Override
+ public InputStream openInputStream() throws IOException {
+ return path.newInputStream();
+ }
+
+ @Override
+ public OutputStream openOutputStream() throws IOException {
+ ensureParentDirectoriesExist();
+ return path.newOutputStream();
+ }
+
+ @Override
+ public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
+ CharsetDecoder decoder = fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
+ return new InputStreamReader(openInputStream(), decoder);
+ }
+
+ @Override
+ public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+ CharBuffer cb = fileManager.getCachedContent(this);
+ if (cb == null) {
+ InputStream in = openInputStream();
+ try {
+ ByteBuffer bb = fileManager.makeByteBuffer(in);
+ JavaFileObject prev = fileManager.log.useSource(this);
+ try {
+ cb = fileManager.decode(bb, ignoreEncodingErrors);
+ } finally {
+ fileManager.log.useSource(prev);
+ }
+ fileManager.recycleByteBuffer(bb);
+ if (!ignoreEncodingErrors) {
+ fileManager.cache(this, cb);
+ }
+ } finally {
+ in.close();
+ }
+ }
+ return cb;
+ }
+
+ @Override
+ public Writer openWriter() throws IOException {
+ ensureParentDirectoriesExist();
+ return new OutputStreamWriter(path.newOutputStream(), fileManager.getEncodingName());
+ }
+
+ @Override
+ public long getLastModified() {
+ try {
+ BasicFileAttributes attrs = Attributes.readBasicFileAttributes(path);
+ return attrs.lastModifiedTime().toMillis();
+ } catch (IOException e) {
+ return -1;
+ }
+ }
+
+ @Override
+ public boolean delete() {
+ try {
+ path.delete();
+ return true;
+ } catch (IOException e) {
+ return false;
+ }
+ }
+
+ public boolean isSameFile(PathFileObject other) {
+ try {
+ return path.isSameFile(other.path);
+ } catch (IOException e) {
+ return false;
+ }
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ return (other instanceof PathFileObject && path.equals(((PathFileObject) other).path));
+ }
+
+ @Override
+ public int hashCode() {
+ return path.hashCode();
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "[" + path + "]";
+ }
+
+ private void ensureParentDirectoriesExist() throws IOException {
+ Path parent = path.getParent();
+ if (parent != null)
+ Files.createDirectories(parent);
+ }
+
+ private long size() {
+ try {
+ BasicFileAttributes attrs = Attributes.readBasicFileAttributes(path);
+ return attrs.size();
+ } catch (IOException e) {
+ return -1;
+ }
+ }
+
+ protected static String toBinaryName(Path relativePath) {
+ return toBinaryName(relativePath.toString(),
+ relativePath.getFileSystem().getSeparator());
+ }
+
+ protected static String toBinaryName(String relativePath, String sep) {
+ return removeExtension(relativePath).replaceAll(sep, ".");
+ }
+
+ protected static String removeExtension(String fileName) {
+ int lastDot = fileName.lastIndexOf(".");
+ return (lastDot == -1 ? fileName : fileName.substring(0, lastDot));
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/util/BaseFileManager.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,355 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.util;
+
+import com.sun.tools.javac.code.Source;
+import com.sun.tools.javac.main.JavacOption;
+import com.sun.tools.javac.main.OptionName;
+import com.sun.tools.javac.main.RecognizedOptions;
+import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition;
+import java.io.ByteArrayOutputStream;
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.lang.ref.SoftReference;
+import java.lang.reflect.Constructor;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CoderResult;
+import java.nio.charset.CodingErrorAction;
+import java.nio.charset.IllegalCharsetNameException;
+import java.nio.charset.UnsupportedCharsetException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+
+/**
+ * Utility methods for building a filemanager.
+ * There are no references here to file-system specific objects such as
+ * java.io.File or java.nio.file.Path.
+ */
+public class BaseFileManager {
+ protected BaseFileManager(Charset charset) {
+ this.charset = charset;
+ byteBufferCache = new ByteBufferCache();
+ }
+
+ /**
+ * Set the context for JavacPathFileManager.
+ */
+ protected void setContext(Context context) {
+ log = Log.instance(context);
+ options = Options.instance(context);
+ classLoaderClass = options.get("procloader");
+ }
+
+ /**
+ * The log to be used for error reporting.
+ */
+ public Log log;
+
+ /**
+ * User provided charset (through javax.tools).
+ */
+ protected Charset charset;
+
+ protected Options options;
+
+ protected String classLoaderClass;
+
+ protected Source getSource() {
+ String sourceName = options.get(OptionName.SOURCE);
+ Source source = null;
+ if (sourceName != null)
+ source = Source.lookup(sourceName);
+ return (source != null ? source : Source.DEFAULT);
+ }
+
+ protected ClassLoader getClassLoader(URL[] urls) {
+ ClassLoader thisClassLoader = getClass().getClassLoader();
+
+ // Bug: 6558476
+ // Ideally, ClassLoader should be Closeable, but before JDK7 it is not.
+ // On older versions, try the following, to get a closeable classloader.
+
+ // 1: Allow client to specify the class to use via hidden option
+ if (classLoaderClass != null) {
+ try {
+ Class<? extends ClassLoader> loader =
+ Class.forName(classLoaderClass).asSubclass(ClassLoader.class);
+ Class<?>[] constrArgTypes = { URL[].class, ClassLoader.class };
+ Constructor<? extends ClassLoader> constr = loader.getConstructor(constrArgTypes);
+ return constr.newInstance(new Object[] { urls, thisClassLoader });
+ } catch (Throwable t) {
+ // ignore errors loading user-provided class loader, fall through
+ }
+ }
+
+ // 2: If URLClassLoader implements Closeable, use that.
+ if (Closeable.class.isAssignableFrom(URLClassLoader.class))
+ return new URLClassLoader(urls, thisClassLoader);
+
+ // 3: Try using private reflection-based CloseableURLClassLoader
+ try {
+ return new CloseableURLClassLoader(urls, thisClassLoader);
+ } catch (Throwable t) {
+ // ignore errors loading workaround class loader, fall through
+ }
+
+ // 4: If all else fails, use plain old standard URLClassLoader
+ return new URLClassLoader(urls, thisClassLoader);
+ }
+
+ // <editor-fold defaultstate="collapsed" desc="Option handling">
+ public boolean handleOption(String current, Iterator<String> remaining) {
+ for (JavacOption o: javacFileManagerOptions) {
+ if (o.matches(current)) {
+ if (o.hasArg()) {
+ if (remaining.hasNext()) {
+ if (!o.process(options, current, remaining.next()))
+ return true;
+ }
+ } else {
+ if (!o.process(options, current))
+ return true;
+ }
+ // operand missing, or process returned false
+ throw new IllegalArgumentException(current);
+ }
+ }
+
+ return false;
+ }
+ // where
+ private static JavacOption[] javacFileManagerOptions =
+ RecognizedOptions.getJavacFileManagerOptions(
+ new RecognizedOptions.GrumpyHelper());
+
+ public int isSupportedOption(String option) {
+ for (JavacOption o : javacFileManagerOptions) {
+ if (o.matches(option))
+ return o.hasArg() ? 1 : 0;
+ }
+ return -1;
+ }
+ // </editor-fold>
+
+ // <editor-fold defaultstate="collapsed" desc="Encoding">
+ private String defaultEncodingName;
+ private String getDefaultEncodingName() {
+ if (defaultEncodingName == null) {
+ defaultEncodingName =
+ new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding();
+ }
+ return defaultEncodingName;
+ }
+
+ public String getEncodingName() {
+ String encName = options.get(OptionName.ENCODING);
+ if (encName == null)
+ return getDefaultEncodingName();
+ else
+ return encName;
+ }
+
+ public CharBuffer decode(ByteBuffer inbuf, boolean ignoreEncodingErrors) {
+ String encodingName = getEncodingName();
+ CharsetDecoder decoder;
+ try {
+ decoder = getDecoder(encodingName, ignoreEncodingErrors);
+ } catch (IllegalCharsetNameException e) {
+ log.error("unsupported.encoding", encodingName);
+ return (CharBuffer)CharBuffer.allocate(1).flip();
+ } catch (UnsupportedCharsetException e) {
+ log.error("unsupported.encoding", encodingName);
+ return (CharBuffer)CharBuffer.allocate(1).flip();
+ }
+
+ // slightly overestimate the buffer size to avoid reallocation.
+ float factor =
+ decoder.averageCharsPerByte() * 0.8f +
+ decoder.maxCharsPerByte() * 0.2f;
+ CharBuffer dest = CharBuffer.
+ allocate(10 + (int)(inbuf.remaining()*factor));
+
+ while (true) {
+ CoderResult result = decoder.decode(inbuf, dest, true);
+ dest.flip();
+
+ if (result.isUnderflow()) { // done reading
+ // make sure there is at least one extra character
+ if (dest.limit() == dest.capacity()) {
+ dest = CharBuffer.allocate(dest.capacity()+1).put(dest);
+ dest.flip();
+ }
+ return dest;
+ } else if (result.isOverflow()) { // buffer too small; expand
+ int newCapacity =
+ 10 + dest.capacity() +
+ (int)(inbuf.remaining()*decoder.maxCharsPerByte());
+ dest = CharBuffer.allocate(newCapacity).put(dest);
+ } else if (result.isMalformed() || result.isUnmappable()) {
+ // bad character in input
+
+ // report coding error (warn only pre 1.5)
+ if (!getSource().allowEncodingErrors()) {
+ log.error(new SimpleDiagnosticPosition(dest.limit()),
+ "illegal.char.for.encoding",
+ charset == null ? encodingName : charset.name());
+ } else {
+ log.warning(new SimpleDiagnosticPosition(dest.limit()),
+ "illegal.char.for.encoding",
+ charset == null ? encodingName : charset.name());
+ }
+
+ // skip past the coding error
+ inbuf.position(inbuf.position() + result.length());
+
+ // undo the flip() to prepare the output buffer
+ // for more translation
+ dest.position(dest.limit());
+ dest.limit(dest.capacity());
+ dest.put((char)0xfffd); // backward compatible
+ } else {
+ throw new AssertionError(result);
+ }
+ }
+ // unreached
+ }
+
+ public CharsetDecoder getDecoder(String encodingName, boolean ignoreEncodingErrors) {
+ Charset cs = (this.charset == null)
+ ? Charset.forName(encodingName)
+ : this.charset;
+ CharsetDecoder decoder = cs.newDecoder();
+
+ CodingErrorAction action;
+ if (ignoreEncodingErrors)
+ action = CodingErrorAction.REPLACE;
+ else
+ action = CodingErrorAction.REPORT;
+
+ return decoder
+ .onMalformedInput(action)
+ .onUnmappableCharacter(action);
+ }
+ // </editor-fold>
+
+ // <editor-fold defaultstate="collapsed" desc="ByteBuffers">
+ /**
+ * Make a byte buffer from an input stream.
+ */
+ public ByteBuffer makeByteBuffer(InputStream in)
+ throws IOException {
+ int limit = in.available();
+ if (limit < 1024) limit = 1024;
+ ByteBuffer result = byteBufferCache.get(limit);
+ int position = 0;
+ while (in.available() != 0) {
+ if (position >= limit)
+ // expand buffer
+ result = ByteBuffer.
+ allocate(limit <<= 1).
+ put((ByteBuffer)result.flip());
+ int count = in.read(result.array(),
+ position,
+ limit - position);
+ if (count < 0) break;
+ result.position(position += count);
+ }
+ return (ByteBuffer)result.flip();
+ }
+
+ public void recycleByteBuffer(ByteBuffer bb) {
+ byteBufferCache.put(bb);
+ }
+
+ /**
+ * A single-element cache of direct byte buffers.
+ */
+ private static class ByteBufferCache {
+ private ByteBuffer cached;
+ ByteBuffer get(int capacity) {
+ if (capacity < 20480) capacity = 20480;
+ ByteBuffer result =
+ (cached != null && cached.capacity() >= capacity)
+ ? (ByteBuffer)cached.clear()
+ : ByteBuffer.allocate(capacity + capacity>>1);
+ cached = null;
+ return result;
+ }
+ void put(ByteBuffer x) {
+ cached = x;
+ }
+ }
+
+ private final ByteBufferCache byteBufferCache;
+ // </editor-fold>
+
+ // <editor-fold defaultstate="collapsed" desc="Content cache">
+ public CharBuffer getCachedContent(JavaFileObject file) {
+ SoftReference<CharBuffer> r = contentCache.get(file);
+ return (r == null ? null : r.get());
+ }
+
+ public void cache(JavaFileObject file, CharBuffer cb) {
+ contentCache.put(file, new SoftReference<CharBuffer>(cb));
+ }
+
+ protected final Map<JavaFileObject, SoftReference<CharBuffer>> contentCache
+ = new HashMap<JavaFileObject, SoftReference<CharBuffer>>();
+ // </editor-fold>
+
+ public static Kind getKind(String name) {
+ if (name.endsWith(Kind.CLASS.extension))
+ return Kind.CLASS;
+ else if (name.endsWith(Kind.SOURCE.extension))
+ return Kind.SOURCE;
+ else if (name.endsWith(Kind.HTML.extension))
+ return Kind.HTML;
+ else
+ return Kind.OTHER;
+ }
+
+ protected static <T> T nullCheck(T o) {
+ o.getClass(); // null check
+ return o;
+ }
+
+ protected static <T> Collection<T> nullCheck(Collection<T> it) {
+ for (T t : it)
+ t.getClass(); // null check
+ return it;
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/util/CloseableURLClassLoader.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.util;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.jar.JarFile;
+
+/**
+ * A URLClassLoader that also implements Closeable.
+ * Reflection is used to access internal data structures in the URLClassLoader,
+ * since no public API exists for this purpose. Therefore this code is somewhat
+ * fragile. Caveat emptor.
+ * @throws Error if the internal data structures are not as expected.
+ *
+ * <p><b>This is NOT part of any API supported by Sun Microsystems. If
+ * you write code that depends on this, you do so at your own risk.
+ * This code and its internal interfaces are subject to change or
+ * deletion without notice.</b>
+ */
+public class CloseableURLClassLoader
+ extends URLClassLoader implements Closeable {
+ public CloseableURLClassLoader(URL[] urls, ClassLoader parent) throws Error {
+ super(urls, parent);
+ try {
+ getLoaders(); //proactive check that URLClassLoader is as expected
+ } catch (Throwable t) {
+ throw new Error("cannot create CloseableURLClassLoader", t);
+ }
+ }
+
+ /**
+ * Close any jar files that may have been opened by the class loader.
+ * Reflection is used to access the jar files in the URLClassLoader's
+ * internal data structures.
+ * @throws java.io.IOException if the jar files cannot be found for any
+ * reson, or if closing the jar file itself causes an IOException.
+ */
+ @Override
+ public void close() throws IOException {
+ try {
+ for (Object l: getLoaders()) {
+ if (l.getClass().getName().equals("sun.misc.URLClassPath$JarLoader")) {
+ Field jarField = l.getClass().getDeclaredField("jar");
+ JarFile jar = (JarFile) getField(l, jarField);
+ if (jar != null) {
+ //System.err.println("CloseableURLClassLoader: closing " + jar);
+ jar.close();
+ }
+ }
+ }
+ } catch (Throwable t) {
+ IOException e = new IOException("cannot close class loader");
+ e.initCause(t);
+ throw e;
+ }
+ }
+
+ private ArrayList<?> getLoaders()
+ throws NoSuchFieldException, IllegalArgumentException, IllegalAccessException
+ {
+ Field ucpField = URLClassLoader.class.getDeclaredField("ucp");
+ Object urlClassPath = getField(this, ucpField);
+ if (urlClassPath == null)
+ throw new AssertionError("urlClassPath not set in URLClassLoader");
+ Field loadersField = urlClassPath.getClass().getDeclaredField("loaders");
+ return (ArrayList<?>) getField(urlClassPath, loadersField);
+ }
+
+ private Object getField(Object o, Field f)
+ throws IllegalArgumentException, IllegalAccessException {
+ boolean prev = f.isAccessible();
+ try {
+ f.setAccessible(true);
+ return f.get(o);
+ } finally {
+ f.setAccessible(prev);
+ }
+ }
+
+}
--- a/langtools/src/share/classes/javax/tools/StandardJavaFileManager.java Thu Dec 10 20:35:31 2009 -0800
+++ b/langtools/src/share/classes/javax/tools/StandardJavaFileManager.java Fri Dec 11 14:26:27 2009 -0800
@@ -28,7 +28,6 @@
import java.io.File;
import java.io.IOException;
import java.util.*;
-import java.util.concurrent.*;
/**
* File manager based on {@linkplain File java.io.File}. A common way
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/nio/compileTest/CompileTest.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,165 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ * @test
+ * @compile HelloPathWorld.java
+ * @run main CompileTest
+ */
+
+import java.io.*;
+import java.nio.file.*;
+import java.util.*;
+import java.util.jar.*;
+import javax.tools.*;
+
+import com.sun.tools.javac.nio.*;
+import com.sun.tools.javac.util.Context;
+import java.nio.file.spi.FileSystemProvider;
+
+
+public class CompileTest {
+ public static void main(String[] args) throws Exception {
+ new CompileTest().run();
+ }
+
+ public void run() throws Exception {
+ File rtDir = new File("rt.dir");
+ File javaHome = new File(System.getProperty("java.home"));
+ if (javaHome.getName().equals("jre"))
+ javaHome = javaHome.getParentFile();
+ File rtJar = new File(new File(new File(javaHome, "jre"), "lib"), "rt.jar");
+ expand(rtJar, rtDir);
+
+ String[] rtDir_opts = {
+ "-bootclasspath", rtDir.toString(),
+ "-classpath", "",
+ "-sourcepath", "",
+ "-extdirs", ""
+ };
+ test(rtDir_opts, "HelloPathWorld");
+
+ if (isJarFileSystemAvailable()) {
+ String[] rtJar_opts = {
+ "-bootclasspath", rtJar.toString(),
+ "-classpath", "",
+ "-sourcepath", "",
+ "-extdirs", ""
+ };
+ test(rtJar_opts, "HelloPathWorld");
+
+ String[] default_opts = { };
+ test(default_opts, "HelloPathWorld");
+
+ // finally, a non-trivial program
+ test(default_opts, "CompileTest");
+ } else
+ System.err.println("jar file system not available: test skipped");
+ }
+
+ void test(String[] opts, String className) throws Exception {
+ count++;
+ System.err.println("Test " + count + " " + Arrays.asList(opts) + " " + className);
+ Path testSrcDir = Paths.get(System.getProperty("test.src"));
+ Path testClassesDir = Paths.get(System.getProperty("test.classes"));
+ Path classes = Paths.get("classes." + count);
+ classes.createDirectory();
+
+ Context ctx = new Context();
+ PathFileManager fm = new JavacPathFileManager(ctx, true, null);
+ JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
+ List<String> options = new ArrayList<String>();
+ options.addAll(Arrays.asList(opts));
+ options.addAll(Arrays.asList(
+ "-verbose", "-XDverboseCompilePolicy",
+ "-d", classes.toString()
+ ));
+ Iterable<? extends JavaFileObject> compilationUnits =
+ fm.getJavaFileObjects(testSrcDir.resolve(className + ".java"));
+ StringWriter sw = new StringWriter();
+ PrintWriter out = new PrintWriter(sw);
+ JavaCompiler.CompilationTask t =
+ compiler.getTask(out, fm, null, options, null, compilationUnits);
+ boolean ok = t.call();
+ System.err.println(sw.toString());
+ if (!ok) {
+ throw new Exception("compilation failed");
+ }
+
+ File expect = new File("classes." + count + "/" + className + ".class");
+ if (!expect.exists())
+ throw new Exception("expected file not found: " + expect);
+ long expectedSize = new File(testClassesDir.toString(), className + ".class").length();
+ long actualSize = expect.length();
+ if (expectedSize != actualSize)
+ throw new Exception("wrong size found: " + actualSize + "; expected: " + expectedSize);
+ }
+
+ boolean isJarFileSystemAvailable() {
+ boolean result = false;
+ for (FileSystemProvider fsp: FileSystemProvider.installedProviders()) {
+ String scheme = fsp.getScheme();
+ System.err.println("Provider: " + scheme + " " + fsp);
+ if (scheme.equalsIgnoreCase("jar") || scheme.equalsIgnoreCase("zip"))
+ result = true;
+ }
+ return result;
+ }
+
+ void expand(File jar, File dir) throws IOException {
+ JarFile jarFile = new JarFile(jar);
+ try {
+ Enumeration<JarEntry> entries = jarFile.entries();
+ while (entries.hasMoreElements()) {
+ JarEntry je = entries.nextElement();
+ if (!je.isDirectory()) {
+ copy(jarFile.getInputStream(je), new File(dir, je.getName()));
+ }
+ }
+ } finally {
+ jarFile.close();
+ }
+ }
+
+ void copy(InputStream in, File dest) throws IOException {
+ dest.getParentFile().mkdirs();
+ OutputStream out = new BufferedOutputStream(new FileOutputStream(dest));
+ try {
+ byte[] data = new byte[8192];
+ int n;
+ while ((n = in.read(data, 0, data.length)) > 0)
+ out.write(data, 0, n);
+ } finally {
+ out.close();
+ in.close();
+ }
+ }
+
+ void error(String message) {
+ System.err.println("Error: " + message);
+ errors++;
+ }
+
+ int errors;
+ int count;
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/nio/compileTest/HelloPathWorld.java Fri Dec 11 14:26:27 2009 -0800
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+class HelloPathWorld {
+ public static void main(String... args) {
+ System.out.println("Hello World!");
+ }
+}