author | jjg |
Wed, 18 Jun 2008 07:23:25 -0700 | |
changeset 810 | e4b6a6d206e6 |
parent 809 | 2106a64c0a38 |
child 815 | bcb5c0d7c1ab |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2005-2008 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package com.sun.tools.javac.file; |
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import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStreamWriter; |
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import java.lang.ref.SoftReference; |
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import java.net.MalformedURLException; |
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import java.net.URI; |
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import java.net.URL; |
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import java.net.URLClassLoader; |
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import java.nio.ByteBuffer; |
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import java.nio.CharBuffer; |
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import java.nio.channels.FileChannel; |
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import java.nio.charset.Charset; |
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import java.nio.charset.CharsetDecoder; |
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import java.nio.charset.CoderResult; |
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import java.nio.charset.CodingErrorAction; |
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import java.nio.charset.IllegalCharsetNameException; |
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import java.nio.charset.UnsupportedCharsetException; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.EnumSet; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.zip.ZipFile; |
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import javax.lang.model.SourceVersion; |
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import javax.tools.FileObject; |
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import javax.tools.JavaFileManager; |
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import javax.tools.JavaFileObject; |
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import javax.tools.StandardJavaFileManager; |
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import com.sun.tools.javac.code.Source; |
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import com.sun.tools.javac.main.JavacOption; |
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import com.sun.tools.javac.main.OptionName; |
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import com.sun.tools.javac.main.RecognizedOptions; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.JCDiagnostic.SimpleDiagnosticPosition; |
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import com.sun.tools.javac.util.List; |
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import com.sun.tools.javac.util.ListBuffer; |
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import com.sun.tools.javac.util.Log; |
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import com.sun.tools.javac.util.Options; |
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import static com.sun.tools.javac.main.OptionName.*; |
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import static javax.tools.StandardLocation.*; |
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/** |
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* This class provides access to the source, class and other files |
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* used by the compiler and related tools. |
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*/ |
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public class JavacFileManager implements StandardJavaFileManager { |
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private static final String[] symbolFileLocation = { "lib", "ct.sym" }; |
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private static final String symbolFilePrefix = "META-INF/sym/rt.jar/"; |
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boolean useZipFileIndex; |
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private static boolean CHECK_ZIP_TIMESTAMP = false; |
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private static Map<File, Boolean> isDirectory = new ConcurrentHashMap<File, Boolean>(); |
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public static char[] toArray(CharBuffer buffer) { |
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if (buffer.hasArray()) |
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return ((CharBuffer)buffer.compact().flip()).array(); |
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else |
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return buffer.toString().toCharArray(); |
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} |
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/** |
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* The log to be used for error reporting. |
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*/ |
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protected Log log; |
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/** Encapsulates knowledge of paths |
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*/ |
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private Paths paths; |
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private Options options; |
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private final File uninited = new File("U N I N I T E D"); |
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private final Set<JavaFileObject.Kind> sourceOrClass = |
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EnumSet.of(JavaFileObject.Kind.SOURCE, JavaFileObject.Kind.CLASS); |
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/** The standard output directory, primarily used for classes. |
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* Initialized by the "-d" option. |
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* If classOutDir = null, files are written into same directory as the sources |
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* they were generated from. |
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*/ |
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private File classOutDir = uninited; |
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/** The output directory, used when generating sources while processing annotations. |
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* Initialized by the "-s" option. |
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*/ |
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private File sourceOutDir = uninited; |
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protected boolean mmappedIO; |
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protected boolean ignoreSymbolFile; |
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/** |
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* User provided charset (through javax.tools). |
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*/ |
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protected Charset charset; |
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/** |
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* Register a Context.Factory to create a JavacFileManager. |
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*/ |
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public static void preRegister(final Context context) { |
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context.put(JavaFileManager.class, new Context.Factory<JavaFileManager>() { |
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public JavaFileManager make() { |
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return new JavacFileManager(context, true, null); |
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} |
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}); |
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} |
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/** |
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* Create a JavacFileManager using a given context, optionally registering |
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* it as the JavaFileManager for that context. |
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*/ |
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public JavacFileManager(Context context, boolean register, Charset charset) { |
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if (register) |
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context.put(JavaFileManager.class, this); |
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byteBufferCache = new ByteBufferCache(); |
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this.charset = charset; |
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setContext(context); |
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} |
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/** |
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* Set the context for JavacFileManager. |
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*/ |
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public void setContext(Context context) { |
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log = Log.instance(context); |
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if (paths == null) { |
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paths = Paths.instance(context); |
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} else { |
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// Reuse the Paths object as it stores the locations that |
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// have been set with setLocation, etc. |
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paths.setContext(context); |
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} |
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options = Options.instance(context); |
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useZipFileIndex = System.getProperty("useJavaUtilZip") == null;// TODO: options.get("useJavaUtilZip") == null; |
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CHECK_ZIP_TIMESTAMP = System.getProperty("checkZipIndexTimestamp") != null;// TODO: options.get("checkZipIndexTimestamp") != null; |
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mmappedIO = options.get("mmappedIO") != null; |
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ignoreSymbolFile = options.get("ignore.symbol.file") != null; |
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} |
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public JavaFileObject getFileForInput(String name) { |
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return getRegularFile(new File(name)); |
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} |
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public JavaFileObject getRegularFile(File file) { |
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return new RegularFileObject(this, file); |
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} |
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public JavaFileObject getFileForOutput(String classname, |
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JavaFileObject.Kind kind, |
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JavaFileObject sibling) |
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throws IOException |
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{ |
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return getJavaFileForOutput(CLASS_OUTPUT, classname, kind, sibling); |
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} |
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public Iterable<? extends JavaFileObject> getJavaFileObjectsFromStrings(Iterable<String> names) { |
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ListBuffer<File> files = new ListBuffer<File>(); |
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for (String name : names) |
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files.append(new File(nullCheck(name))); |
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return getJavaFileObjectsFromFiles(files.toList()); |
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} |
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public Iterable<? extends JavaFileObject> getJavaFileObjects(String... names) { |
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return getJavaFileObjectsFromStrings(Arrays.asList(nullCheck(names))); |
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} |
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protected JavaFileObject.Kind getKind(String extension) { |
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if (extension.equals(JavaFileObject.Kind.CLASS.extension)) |
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return JavaFileObject.Kind.CLASS; |
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else if (extension.equals(JavaFileObject.Kind.SOURCE.extension)) |
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return JavaFileObject.Kind.SOURCE; |
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else if (extension.equals(JavaFileObject.Kind.HTML.extension)) |
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return JavaFileObject.Kind.HTML; |
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else |
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return JavaFileObject.Kind.OTHER; |
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} |
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private static boolean isValidName(String name) { |
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// Arguably, isValidName should reject keywords (such as in SourceVersion.isName() ), |
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// but the set of keywords depends on the source level, and we don't want |
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// impls of JavaFileManager to have to be dependent on the source level. |
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// Therefore we simply check that the argument is a sequence of identifiers |
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// separated by ".". |
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for (String s : name.split("\\.", -1)) { |
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if (!SourceVersion.isIdentifier(s)) |
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return false; |
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} |
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return true; |
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} |
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private static void validateClassName(String className) { |
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if (!isValidName(className)) |
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throw new IllegalArgumentException("Invalid class name: " + className); |
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} |
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private static void validatePackageName(String packageName) { |
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if (packageName.length() > 0 && !isValidName(packageName)) |
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throw new IllegalArgumentException("Invalid packageName name: " + packageName); |
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} |
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public static void testName(String name, |
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boolean isValidPackageName, |
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boolean isValidClassName) |
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{ |
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try { |
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validatePackageName(name); |
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if (!isValidPackageName) |
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throw new AssertionError("Invalid package name accepted: " + name); |
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printAscii("Valid package name: \"%s\"", name); |
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} catch (IllegalArgumentException e) { |
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if (isValidPackageName) |
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throw new AssertionError("Valid package name rejected: " + name); |
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printAscii("Invalid package name: \"%s\"", name); |
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} |
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try { |
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validateClassName(name); |
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if (!isValidClassName) |
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throw new AssertionError("Invalid class name accepted: " + name); |
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printAscii("Valid class name: \"%s\"", name); |
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} catch (IllegalArgumentException e) { |
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if (isValidClassName) |
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throw new AssertionError("Valid class name rejected: " + name); |
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printAscii("Invalid class name: \"%s\"", name); |
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} |
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} |
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private static void printAscii(String format, Object... args) { |
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String message; |
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try { |
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final String ascii = "US-ASCII"; |
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message = new String(String.format(null, format, args).getBytes(ascii), ascii); |
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} catch (java.io.UnsupportedEncodingException ex) { |
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throw new AssertionError(ex); |
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} |
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System.out.println(message); |
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} |
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280 |
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281 |
/** Return external representation of name, |
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* converting '.' to File.separatorChar. |
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283 |
*/ |
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284 |
private static String externalizeFileName(CharSequence name) { |
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285 |
return name.toString().replace('.', File.separatorChar); |
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} |
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287 |
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288 |
private static String externalizeFileName(CharSequence n, JavaFileObject.Kind kind) { |
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289 |
return externalizeFileName(n) + kind.extension; |
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} |
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291 |
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292 |
private static String baseName(String fileName) { |
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293 |
return fileName.substring(fileName.lastIndexOf(File.separatorChar) + 1); |
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294 |
} |
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295 |
||
296 |
/** |
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297 |
* Insert all files in subdirectory `subdirectory' of `directory' which end |
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298 |
* in one of the extensions in `extensions' into packageSym. |
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299 |
*/ |
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300 |
private void listDirectory(File directory, |
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301 |
String subdirectory, |
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302 |
Set<JavaFileObject.Kind> fileKinds, |
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303 |
boolean recurse, |
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304 |
ListBuffer<JavaFileObject> l) { |
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305 |
Archive archive = archives.get(directory); |
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306 |
||
307 |
boolean isFile = false; |
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308 |
if (CHECK_ZIP_TIMESTAMP) { |
|
309 |
Boolean isf = isDirectory.get(directory); |
|
310 |
if (isf == null) { |
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311 |
isFile = directory.isFile(); |
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312 |
isDirectory.put(directory, isFile); |
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313 |
} |
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314 |
else { |
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315 |
isFile = directory.isFile(); |
|
316 |
} |
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317 |
} |
|
318 |
else { |
|
319 |
isFile = directory.isFile(); |
|
320 |
} |
|
321 |
||
322 |
if (archive != null || isFile) { |
|
323 |
if (archive == null) { |
|
324 |
try { |
|
325 |
archive = openArchive(directory); |
|
326 |
} catch (IOException ex) { |
|
327 |
log.error("error.reading.file", |
|
328 |
directory, ex.getLocalizedMessage()); |
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329 |
return; |
|
330 |
} |
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331 |
} |
|
332 |
if (subdirectory.length() != 0) { |
|
333 |
if (!useZipFileIndex) { |
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334 |
subdirectory = subdirectory.replace('\\', '/'); |
|
335 |
if (!subdirectory.endsWith("/")) subdirectory = subdirectory + "/"; |
|
336 |
} |
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337 |
else { |
|
338 |
if (File.separatorChar == '/') { |
|
339 |
subdirectory = subdirectory.replace('\\', '/'); |
|
340 |
} |
|
341 |
else { |
|
342 |
subdirectory = subdirectory.replace('/', '\\'); |
|
343 |
} |
|
344 |
||
345 |
if (!subdirectory.endsWith(File.separator)) subdirectory = subdirectory + File.separator; |
|
346 |
} |
|
347 |
} |
|
348 |
||
349 |
List<String> files = archive.getFiles(subdirectory); |
|
350 |
if (files != null) { |
|
351 |
for (String file; !files.isEmpty(); files = files.tail) { |
|
352 |
file = files.head; |
|
353 |
if (isValidFile(file, fileKinds)) { |
|
354 |
l.append(archive.getFileObject(subdirectory, file)); |
|
355 |
} |
|
356 |
} |
|
357 |
} |
|
358 |
if (recurse) { |
|
359 |
for (String s: archive.getSubdirectories()) { |
|
360 |
if (s.startsWith(subdirectory) && !s.equals(subdirectory)) { |
|
361 |
// Because the archive map is a flat list of directories, |
|
362 |
// the enclosing loop will pick up all child subdirectories. |
|
363 |
// Therefore, there is no need to recurse deeper. |
|
364 |
listDirectory(directory, s, fileKinds, false, l); |
|
365 |
} |
|
366 |
} |
|
367 |
} |
|
368 |
} else { |
|
369 |
File d = subdirectory.length() != 0 |
|
370 |
? new File(directory, subdirectory) |
|
371 |
: directory; |
|
372 |
if (!caseMapCheck(d, subdirectory)) |
|
373 |
return; |
|
374 |
||
375 |
File[] files = d.listFiles(); |
|
376 |
if (files == null) |
|
377 |
return; |
|
378 |
||
379 |
for (File f: files) { |
|
380 |
String fname = f.getName(); |
|
381 |
if (f.isDirectory()) { |
|
382 |
if (recurse && SourceVersion.isIdentifier(fname)) { |
|
383 |
listDirectory(directory, |
|
384 |
subdirectory + File.separator + fname, |
|
385 |
fileKinds, |
|
386 |
recurse, |
|
387 |
l); |
|
388 |
} |
|
389 |
} else { |
|
390 |
if (isValidFile(fname, fileKinds)) { |
|
391 |
JavaFileObject fe = |
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new RegularFileObject(this, fname, new File(d, fname)); |
10 | 393 |
l.append(fe); |
394 |
} |
|
395 |
} |
|
396 |
} |
|
397 |
} |
|
398 |
} |
|
399 |
||
400 |
private boolean isValidFile(String s, Set<JavaFileObject.Kind> fileKinds) { |
|
401 |
int lastDot = s.lastIndexOf("."); |
|
402 |
String extn = (lastDot == -1 ? s : s.substring(lastDot)); |
|
403 |
JavaFileObject.Kind kind = getKind(extn); |
|
404 |
return fileKinds.contains(kind); |
|
405 |
} |
|
406 |
||
407 |
private static final boolean fileSystemIsCaseSensitive = |
|
408 |
File.separatorChar == '/'; |
|
409 |
||
410 |
/** Hack to make Windows case sensitive. Test whether given path |
|
411 |
* ends in a string of characters with the same case as given name. |
|
412 |
* Ignore file separators in both path and name. |
|
413 |
*/ |
|
414 |
private boolean caseMapCheck(File f, String name) { |
|
415 |
if (fileSystemIsCaseSensitive) return true; |
|
416 |
// Note that getCanonicalPath() returns the case-sensitive |
|
417 |
// spelled file name. |
|
418 |
String path; |
|
419 |
try { |
|
420 |
path = f.getCanonicalPath(); |
|
421 |
} catch (IOException ex) { |
|
422 |
return false; |
|
423 |
} |
|
424 |
char[] pcs = path.toCharArray(); |
|
425 |
char[] ncs = name.toCharArray(); |
|
426 |
int i = pcs.length - 1; |
|
427 |
int j = ncs.length - 1; |
|
428 |
while (i >= 0 && j >= 0) { |
|
429 |
while (i >= 0 && pcs[i] == File.separatorChar) i--; |
|
430 |
while (j >= 0 && ncs[j] == File.separatorChar) j--; |
|
431 |
if (i >= 0 && j >= 0) { |
|
432 |
if (pcs[i] != ncs[j]) return false; |
|
433 |
i--; |
|
434 |
j--; |
|
435 |
} |
|
436 |
} |
|
437 |
return j < 0; |
|
438 |
} |
|
439 |
||
440 |
/** |
|
441 |
* An archive provides a flat directory structure of a ZipFile by |
|
442 |
* mapping directory names to lists of files (basenames). |
|
443 |
*/ |
|
444 |
public interface Archive { |
|
445 |
void close() throws IOException; |
|
446 |
||
447 |
boolean contains(String name); |
|
448 |
||
449 |
JavaFileObject getFileObject(String subdirectory, String file); |
|
450 |
||
451 |
List<String> getFiles(String subdirectory); |
|
452 |
||
453 |
Set<String> getSubdirectories(); |
|
454 |
} |
|
455 |
||
456 |
public class MissingArchive implements Archive { |
|
457 |
final File zipFileName; |
|
458 |
public MissingArchive(File name) { |
|
459 |
zipFileName = name; |
|
460 |
} |
|
461 |
public boolean contains(String name) { |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
462 |
return false; |
10 | 463 |
} |
464 |
||
465 |
public void close() { |
|
466 |
} |
|
467 |
||
468 |
public JavaFileObject getFileObject(String subdirectory, String file) { |
|
469 |
return null; |
|
470 |
} |
|
471 |
||
472 |
public List<String> getFiles(String subdirectory) { |
|
473 |
return List.nil(); |
|
474 |
} |
|
475 |
||
476 |
public Set<String> getSubdirectories() { |
|
477 |
return Collections.emptySet(); |
|
478 |
} |
|
479 |
} |
|
480 |
||
481 |
/** A directory of zip files already opened. |
|
482 |
*/ |
|
483 |
Map<File, Archive> archives = new HashMap<File,Archive>(); |
|
484 |
||
485 |
/** Open a new zip file directory. |
|
486 |
*/ |
|
487 |
protected Archive openArchive(File zipFileName) throws IOException { |
|
488 |
Archive archive = archives.get(zipFileName); |
|
489 |
if (archive == null) { |
|
490 |
File origZipFileName = zipFileName; |
|
491 |
if (!ignoreSymbolFile && paths.isBootClassPathRtJar(zipFileName)) { |
|
492 |
File file = zipFileName.getParentFile().getParentFile(); // ${java.home} |
|
493 |
if (new File(file.getName()).equals(new File("jre"))) |
|
494 |
file = file.getParentFile(); |
|
495 |
// file == ${jdk.home} |
|
496 |
for (String name : symbolFileLocation) |
|
497 |
file = new File(file, name); |
|
498 |
// file == ${jdk.home}/lib/ct.sym |
|
499 |
if (file.exists()) |
|
500 |
zipFileName = file; |
|
501 |
} |
|
502 |
||
503 |
try { |
|
504 |
||
505 |
ZipFile zdir = null; |
|
506 |
||
507 |
boolean usePreindexedCache = false; |
|
508 |
String preindexCacheLocation = null; |
|
509 |
||
510 |
if (!useZipFileIndex) { |
|
511 |
zdir = new ZipFile(zipFileName); |
|
512 |
} |
|
513 |
else { |
|
514 |
usePreindexedCache = options.get("usezipindex") != null; |
|
515 |
preindexCacheLocation = options.get("java.io.tmpdir"); |
|
516 |
String optCacheLoc = options.get("cachezipindexdir"); |
|
517 |
||
518 |
if (optCacheLoc != null && optCacheLoc.length() != 0) { |
|
519 |
if (optCacheLoc.startsWith("\"")) { |
|
520 |
if (optCacheLoc.endsWith("\"")) { |
|
521 |
optCacheLoc = optCacheLoc.substring(1, optCacheLoc.length() - 1); |
|
522 |
} |
|
523 |
else { |
|
524 |
optCacheLoc = optCacheLoc.substring(1); |
|
525 |
} |
|
526 |
} |
|
527 |
||
528 |
File cacheDir = new File(optCacheLoc); |
|
529 |
if (cacheDir.exists() && cacheDir.canWrite()) { |
|
530 |
preindexCacheLocation = optCacheLoc; |
|
531 |
if (!preindexCacheLocation.endsWith("/") && |
|
532 |
!preindexCacheLocation.endsWith(File.separator)) { |
|
533 |
preindexCacheLocation += File.separator; |
|
534 |
} |
|
535 |
} |
|
536 |
} |
|
537 |
} |
|
538 |
||
539 |
if (origZipFileName == zipFileName) { |
|
540 |
if (!useZipFileIndex) { |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
541 |
archive = new ZipArchive(this, zdir); |
10 | 542 |
} else { |
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
543 |
archive = new ZipFileIndexArchive(this, ZipFileIndex.getZipFileIndex(zipFileName, null, |
10 | 544 |
usePreindexedCache, preindexCacheLocation, options.get("writezipindexfiles") != null)); |
545 |
} |
|
546 |
} |
|
547 |
else { |
|
548 |
if (!useZipFileIndex) { |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
549 |
archive = new SymbolArchive(this, origZipFileName, zdir, symbolFilePrefix); |
10 | 550 |
} |
551 |
else { |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
552 |
archive = new ZipFileIndexArchive(this, |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
553 |
ZipFileIndex.getZipFileIndex(zipFileName, |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
554 |
symbolFilePrefix, |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
555 |
usePreindexedCache, |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
556 |
preindexCacheLocation, |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
557 |
options.get("writezipindexfiles") != null)); |
10 | 558 |
} |
559 |
} |
|
560 |
} catch (FileNotFoundException ex) { |
|
561 |
archive = new MissingArchive(zipFileName); |
|
562 |
} catch (IOException ex) { |
|
809
2106a64c0a38
6625520: javac handles missing entries on classpath badly
jjg
parents:
731
diff
changeset
|
563 |
if (zipFileName.exists()) |
2106a64c0a38
6625520: javac handles missing entries on classpath badly
jjg
parents:
731
diff
changeset
|
564 |
log.error("error.reading.file", zipFileName, ex.getLocalizedMessage()); |
10 | 565 |
archive = new MissingArchive(zipFileName); |
566 |
} |
|
567 |
||
568 |
archives.put(origZipFileName, archive); |
|
569 |
} |
|
570 |
return archive; |
|
571 |
} |
|
572 |
||
573 |
/** Flush any output resources. |
|
574 |
*/ |
|
575 |
public void flush() { |
|
576 |
contentCache.clear(); |
|
577 |
} |
|
578 |
||
579 |
/** |
|
580 |
* Close the JavaFileManager, releasing resources. |
|
581 |
*/ |
|
582 |
public void close() { |
|
583 |
for (Iterator<Archive> i = archives.values().iterator(); i.hasNext(); ) { |
|
584 |
Archive a = i.next(); |
|
585 |
i.remove(); |
|
586 |
try { |
|
587 |
a.close(); |
|
588 |
} catch (IOException e) { |
|
589 |
} |
|
590 |
} |
|
591 |
} |
|
592 |
||
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
593 |
CharBuffer getCachedContent(JavaFileObject file) { |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
594 |
SoftReference<CharBuffer> r = contentCache.get(file); |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
595 |
return (r == null ? null : r.get()); |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
596 |
} |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
597 |
|
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
598 |
void cache(JavaFileObject file, CharBuffer cb) { |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
599 |
contentCache.put(file, new SoftReference<CharBuffer>(cb)); |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
600 |
} |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
601 |
|
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
602 |
private final Map<JavaFileObject, SoftReference<CharBuffer>> contentCache |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
603 |
= new HashMap<JavaFileObject, SoftReference<CharBuffer>>(); |
10 | 604 |
|
605 |
private String defaultEncodingName; |
|
606 |
private String getDefaultEncodingName() { |
|
607 |
if (defaultEncodingName == null) { |
|
608 |
defaultEncodingName = |
|
609 |
new OutputStreamWriter(new ByteArrayOutputStream()).getEncoding(); |
|
610 |
} |
|
611 |
return defaultEncodingName; |
|
612 |
} |
|
613 |
||
614 |
protected String getEncodingName() { |
|
615 |
String encName = options.get(OptionName.ENCODING); |
|
616 |
if (encName == null) |
|
617 |
return getDefaultEncodingName(); |
|
618 |
else |
|
619 |
return encName; |
|
620 |
} |
|
621 |
||
622 |
protected Source getSource() { |
|
623 |
String sourceName = options.get(OptionName.SOURCE); |
|
624 |
Source source = null; |
|
625 |
if (sourceName != null) |
|
626 |
source = Source.lookup(sourceName); |
|
627 |
return (source != null ? source : Source.DEFAULT); |
|
628 |
} |
|
629 |
||
630 |
/** |
|
631 |
* Make a byte buffer from an input stream. |
|
632 |
*/ |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
633 |
ByteBuffer makeByteBuffer(InputStream in) |
10 | 634 |
throws IOException { |
635 |
int limit = in.available(); |
|
636 |
if (mmappedIO && in instanceof FileInputStream) { |
|
637 |
// Experimental memory mapped I/O |
|
638 |
FileInputStream fin = (FileInputStream)in; |
|
639 |
return fin.getChannel().map(FileChannel.MapMode.READ_ONLY, 0, limit); |
|
640 |
} |
|
641 |
if (limit < 1024) limit = 1024; |
|
642 |
ByteBuffer result = byteBufferCache.get(limit); |
|
643 |
int position = 0; |
|
644 |
while (in.available() != 0) { |
|
645 |
if (position >= limit) |
|
646 |
// expand buffer |
|
647 |
result = ByteBuffer. |
|
648 |
allocate(limit <<= 1). |
|
649 |
put((ByteBuffer)result.flip()); |
|
650 |
int count = in.read(result.array(), |
|
651 |
position, |
|
652 |
limit - position); |
|
653 |
if (count < 0) break; |
|
654 |
result.position(position += count); |
|
655 |
} |
|
656 |
return (ByteBuffer)result.flip(); |
|
657 |
} |
|
658 |
||
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
659 |
void recycleByteBuffer(ByteBuffer bb) { |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
660 |
byteBufferCache.put(bb); |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
661 |
} |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
662 |
|
10 | 663 |
/** |
664 |
* A single-element cache of direct byte buffers. |
|
665 |
*/ |
|
666 |
private static class ByteBufferCache { |
|
667 |
private ByteBuffer cached; |
|
668 |
ByteBuffer get(int capacity) { |
|
669 |
if (capacity < 20480) capacity = 20480; |
|
670 |
ByteBuffer result = |
|
671 |
(cached != null && cached.capacity() >= capacity) |
|
672 |
? (ByteBuffer)cached.clear() |
|
673 |
: ByteBuffer.allocate(capacity + capacity>>1); |
|
674 |
cached = null; |
|
675 |
return result; |
|
676 |
} |
|
677 |
void put(ByteBuffer x) { |
|
678 |
cached = x; |
|
679 |
} |
|
680 |
} |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
681 |
|
10 | 682 |
private final ByteBufferCache byteBufferCache; |
683 |
||
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
684 |
CharsetDecoder getDecoder(String encodingName, boolean ignoreEncodingErrors) { |
10 | 685 |
Charset charset = (this.charset == null) |
686 |
? Charset.forName(encodingName) |
|
687 |
: this.charset; |
|
688 |
CharsetDecoder decoder = charset.newDecoder(); |
|
689 |
||
690 |
CodingErrorAction action; |
|
691 |
if (ignoreEncodingErrors) |
|
692 |
action = CodingErrorAction.REPLACE; |
|
693 |
else |
|
694 |
action = CodingErrorAction.REPORT; |
|
695 |
||
696 |
return decoder |
|
697 |
.onMalformedInput(action) |
|
698 |
.onUnmappableCharacter(action); |
|
699 |
} |
|
700 |
||
701 |
/** |
|
702 |
* Decode a ByteBuffer into a CharBuffer. |
|
703 |
*/ |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
704 |
CharBuffer decode(ByteBuffer inbuf, boolean ignoreEncodingErrors) { |
10 | 705 |
String encodingName = getEncodingName(); |
706 |
CharsetDecoder decoder; |
|
707 |
try { |
|
708 |
decoder = getDecoder(encodingName, ignoreEncodingErrors); |
|
709 |
} catch (IllegalCharsetNameException e) { |
|
710 |
log.error("unsupported.encoding", encodingName); |
|
711 |
return (CharBuffer)CharBuffer.allocate(1).flip(); |
|
712 |
} catch (UnsupportedCharsetException e) { |
|
713 |
log.error("unsupported.encoding", encodingName); |
|
714 |
return (CharBuffer)CharBuffer.allocate(1).flip(); |
|
715 |
} |
|
716 |
||
717 |
// slightly overestimate the buffer size to avoid reallocation. |
|
718 |
float factor = |
|
719 |
decoder.averageCharsPerByte() * 0.8f + |
|
720 |
decoder.maxCharsPerByte() * 0.2f; |
|
721 |
CharBuffer dest = CharBuffer. |
|
722 |
allocate(10 + (int)(inbuf.remaining()*factor)); |
|
723 |
||
724 |
while (true) { |
|
725 |
CoderResult result = decoder.decode(inbuf, dest, true); |
|
726 |
dest.flip(); |
|
727 |
||
728 |
if (result.isUnderflow()) { // done reading |
|
729 |
// make sure there is at least one extra character |
|
730 |
if (dest.limit() == dest.capacity()) { |
|
731 |
dest = CharBuffer.allocate(dest.capacity()+1).put(dest); |
|
732 |
dest.flip(); |
|
733 |
} |
|
734 |
return dest; |
|
735 |
} else if (result.isOverflow()) { // buffer too small; expand |
|
736 |
int newCapacity = |
|
737 |
10 + dest.capacity() + |
|
738 |
(int)(inbuf.remaining()*decoder.maxCharsPerByte()); |
|
739 |
dest = CharBuffer.allocate(newCapacity).put(dest); |
|
740 |
} else if (result.isMalformed() || result.isUnmappable()) { |
|
741 |
// bad character in input |
|
742 |
||
743 |
// report coding error (warn only pre 1.5) |
|
744 |
if (!getSource().allowEncodingErrors()) { |
|
745 |
log.error(new SimpleDiagnosticPosition(dest.limit()), |
|
746 |
"illegal.char.for.encoding", |
|
747 |
charset == null ? encodingName : charset.name()); |
|
748 |
} else { |
|
749 |
log.warning(new SimpleDiagnosticPosition(dest.limit()), |
|
750 |
"illegal.char.for.encoding", |
|
751 |
charset == null ? encodingName : charset.name()); |
|
752 |
} |
|
753 |
||
754 |
// skip past the coding error |
|
755 |
inbuf.position(inbuf.position() + result.length()); |
|
756 |
||
757 |
// undo the flip() to prepare the output buffer |
|
758 |
// for more translation |
|
759 |
dest.position(dest.limit()); |
|
760 |
dest.limit(dest.capacity()); |
|
761 |
dest.put((char)0xfffd); // backward compatible |
|
762 |
} else { |
|
763 |
throw new AssertionError(result); |
|
764 |
} |
|
765 |
} |
|
766 |
// unreached |
|
767 |
} |
|
768 |
||
769 |
public ClassLoader getClassLoader(Location location) { |
|
770 |
nullCheck(location); |
|
771 |
Iterable<? extends File> path = getLocation(location); |
|
772 |
if (path == null) |
|
773 |
return null; |
|
774 |
ListBuffer<URL> lb = new ListBuffer<URL>(); |
|
775 |
for (File f: path) { |
|
776 |
try { |
|
777 |
lb.append(f.toURI().toURL()); |
|
778 |
} catch (MalformedURLException e) { |
|
779 |
throw new AssertionError(e); |
|
780 |
} |
|
781 |
} |
|
782 |
return new URLClassLoader(lb.toArray(new URL[lb.size()]), |
|
783 |
getClass().getClassLoader()); |
|
784 |
} |
|
785 |
||
786 |
public Iterable<JavaFileObject> list(Location location, |
|
787 |
String packageName, |
|
788 |
Set<JavaFileObject.Kind> kinds, |
|
789 |
boolean recurse) |
|
790 |
throws IOException |
|
791 |
{ |
|
792 |
// validatePackageName(packageName); |
|
793 |
nullCheck(packageName); |
|
794 |
nullCheck(kinds); |
|
795 |
||
796 |
Iterable<? extends File> path = getLocation(location); |
|
797 |
if (path == null) |
|
798 |
return List.nil(); |
|
799 |
String subdirectory = externalizeFileName(packageName); |
|
800 |
ListBuffer<JavaFileObject> results = new ListBuffer<JavaFileObject>(); |
|
801 |
||
802 |
for (File directory : path) |
|
803 |
listDirectory(directory, subdirectory, kinds, recurse, results); |
|
804 |
||
805 |
return results.toList(); |
|
806 |
} |
|
807 |
||
808 |
public String inferBinaryName(Location location, JavaFileObject file) { |
|
809 |
file.getClass(); // null check |
|
810 |
location.getClass(); // null check |
|
811 |
// Need to match the path semantics of list(location, ...) |
|
812 |
Iterable<? extends File> path = getLocation(location); |
|
813 |
if (path == null) { |
|
814 |
return null; |
|
815 |
} |
|
816 |
||
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
817 |
if (file instanceof BaseFileObject) { |
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
818 |
return ((BaseFileObject) file).inferBinaryName(path); |
10 | 819 |
} else |
820 |
throw new IllegalArgumentException(file.getClass().getName()); |
|
821 |
} |
|
822 |
||
823 |
public boolean isSameFile(FileObject a, FileObject b) { |
|
824 |
nullCheck(a); |
|
825 |
nullCheck(b); |
|
826 |
if (!(a instanceof BaseFileObject)) |
|
827 |
throw new IllegalArgumentException("Not supported: " + a); |
|
828 |
if (!(b instanceof BaseFileObject)) |
|
829 |
throw new IllegalArgumentException("Not supported: " + b); |
|
830 |
return a.equals(b); |
|
831 |
} |
|
832 |
||
833 |
public boolean handleOption(String current, Iterator<String> remaining) { |
|
834 |
for (JavacOption o: javacFileManagerOptions) { |
|
835 |
if (o.matches(current)) { |
|
836 |
if (o.hasArg()) { |
|
837 |
if (remaining.hasNext()) { |
|
838 |
if (!o.process(options, current, remaining.next())) |
|
839 |
return true; |
|
840 |
} |
|
841 |
} else { |
|
842 |
if (!o.process(options, current)) |
|
843 |
return true; |
|
844 |
} |
|
845 |
// operand missing, or process returned false |
|
846 |
throw new IllegalArgumentException(current); |
|
847 |
} |
|
848 |
} |
|
849 |
||
850 |
return false; |
|
851 |
} |
|
852 |
// where |
|
853 |
private static JavacOption[] javacFileManagerOptions = |
|
854 |
RecognizedOptions.getJavacFileManagerOptions( |
|
855 |
new RecognizedOptions.GrumpyHelper()); |
|
856 |
||
857 |
public int isSupportedOption(String option) { |
|
858 |
for (JavacOption o : javacFileManagerOptions) { |
|
859 |
if (o.matches(option)) |
|
860 |
return o.hasArg() ? 1 : 0; |
|
861 |
} |
|
862 |
return -1; |
|
863 |
} |
|
864 |
||
865 |
public boolean hasLocation(Location location) { |
|
866 |
return getLocation(location) != null; |
|
867 |
} |
|
868 |
||
869 |
public JavaFileObject getJavaFileForInput(Location location, |
|
870 |
String className, |
|
871 |
JavaFileObject.Kind kind) |
|
872 |
throws IOException |
|
873 |
{ |
|
874 |
nullCheck(location); |
|
875 |
// validateClassName(className); |
|
876 |
nullCheck(className); |
|
877 |
nullCheck(kind); |
|
878 |
if (!sourceOrClass.contains(kind)) |
|
879 |
throw new IllegalArgumentException("Invalid kind " + kind); |
|
880 |
return getFileForInput(location, externalizeFileName(className, kind)); |
|
881 |
} |
|
882 |
||
883 |
public FileObject getFileForInput(Location location, |
|
884 |
String packageName, |
|
885 |
String relativeName) |
|
886 |
throws IOException |
|
887 |
{ |
|
888 |
nullCheck(location); |
|
889 |
// validatePackageName(packageName); |
|
890 |
nullCheck(packageName); |
|
891 |
if (!isRelativeUri(URI.create(relativeName))) // FIXME 6419701 |
|
892 |
throw new IllegalArgumentException("Invalid relative name: " + relativeName); |
|
893 |
String name = packageName.length() == 0 |
|
894 |
? relativeName |
|
895 |
: new File(externalizeFileName(packageName), relativeName).getPath(); |
|
896 |
return getFileForInput(location, name); |
|
897 |
} |
|
898 |
||
899 |
private JavaFileObject getFileForInput(Location location, String name) throws IOException { |
|
900 |
Iterable<? extends File> path = getLocation(location); |
|
901 |
if (path == null) |
|
902 |
return null; |
|
903 |
||
904 |
for (File dir: path) { |
|
905 |
if (dir.isDirectory()) { |
|
906 |
File f = new File(dir, name.replace('/', File.separatorChar)); |
|
907 |
if (f.exists()) |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
908 |
return new RegularFileObject(this, f); |
10 | 909 |
} else { |
910 |
Archive a = openArchive(dir); |
|
911 |
if (a.contains(name)) { |
|
912 |
int i = name.lastIndexOf('/'); |
|
913 |
String dirname = name.substring(0, i+1); |
|
914 |
String basename = name.substring(i+1); |
|
915 |
return a.getFileObject(dirname, basename); |
|
916 |
} |
|
917 |
||
918 |
} |
|
919 |
} |
|
920 |
return null; |
|
921 |
||
922 |
} |
|
923 |
||
924 |
public JavaFileObject getJavaFileForOutput(Location location, |
|
925 |
String className, |
|
926 |
JavaFileObject.Kind kind, |
|
927 |
FileObject sibling) |
|
928 |
throws IOException |
|
929 |
{ |
|
930 |
nullCheck(location); |
|
931 |
// validateClassName(className); |
|
932 |
nullCheck(className); |
|
933 |
nullCheck(kind); |
|
934 |
if (!sourceOrClass.contains(kind)) |
|
935 |
throw new IllegalArgumentException("Invalid kind " + kind); |
|
936 |
return getFileForOutput(location, externalizeFileName(className, kind), sibling); |
|
937 |
} |
|
938 |
||
939 |
public FileObject getFileForOutput(Location location, |
|
940 |
String packageName, |
|
941 |
String relativeName, |
|
942 |
FileObject sibling) |
|
943 |
throws IOException |
|
944 |
{ |
|
945 |
nullCheck(location); |
|
946 |
// validatePackageName(packageName); |
|
947 |
nullCheck(packageName); |
|
948 |
if (!isRelativeUri(URI.create(relativeName))) // FIXME 6419701 |
|
949 |
throw new IllegalArgumentException("relativeName is invalid"); |
|
950 |
String name = packageName.length() == 0 |
|
951 |
? relativeName |
|
952 |
: new File(externalizeFileName(packageName), relativeName).getPath(); |
|
953 |
return getFileForOutput(location, name, sibling); |
|
954 |
} |
|
955 |
||
956 |
private JavaFileObject getFileForOutput(Location location, |
|
957 |
String fileName, |
|
958 |
FileObject sibling) |
|
959 |
throws IOException |
|
960 |
{ |
|
961 |
File dir; |
|
962 |
if (location == CLASS_OUTPUT) { |
|
963 |
if (getClassOutDir() != null) { |
|
964 |
dir = getClassOutDir(); |
|
965 |
} else { |
|
966 |
File siblingDir = null; |
|
967 |
if (sibling != null && sibling instanceof RegularFileObject) { |
|
968 |
siblingDir = ((RegularFileObject)sibling).f.getParentFile(); |
|
969 |
} |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
970 |
return new RegularFileObject(this, new File(siblingDir, baseName(fileName))); |
10 | 971 |
} |
972 |
} else if (location == SOURCE_OUTPUT) { |
|
973 |
dir = (getSourceOutDir() != null ? getSourceOutDir() : getClassOutDir()); |
|
974 |
} else { |
|
975 |
Iterable<? extends File> path = paths.getPathForLocation(location); |
|
976 |
dir = null; |
|
977 |
for (File f: path) { |
|
978 |
dir = f; |
|
979 |
break; |
|
980 |
} |
|
981 |
} |
|
982 |
||
983 |
File file = (dir == null ? new File(fileName) : new File(dir, fileName)); |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
984 |
return new RegularFileObject(this, file); |
10 | 985 |
|
986 |
} |
|
987 |
||
988 |
public Iterable<? extends JavaFileObject> getJavaFileObjectsFromFiles( |
|
989 |
Iterable<? extends File> files) |
|
990 |
{ |
|
991 |
ArrayList<RegularFileObject> result; |
|
992 |
if (files instanceof Collection) |
|
993 |
result = new ArrayList<RegularFileObject>(((Collection)files).size()); |
|
994 |
else |
|
995 |
result = new ArrayList<RegularFileObject>(); |
|
996 |
for (File f: files) |
|
810
e4b6a6d206e6
6714365: refactor JavacFileManager to move nested classes to top level
jjg
parents:
809
diff
changeset
|
997 |
result.add(new RegularFileObject(this, nullCheck(f))); |
10 | 998 |
return result; |
999 |
} |
|
1000 |
||
1001 |
public Iterable<? extends JavaFileObject> getJavaFileObjects(File... files) { |
|
1002 |
return getJavaFileObjectsFromFiles(Arrays.asList(nullCheck(files))); |
|
1003 |
} |
|
1004 |
||
1005 |
public void setLocation(Location location, |
|
1006 |
Iterable<? extends File> path) |
|
1007 |
throws IOException |
|
1008 |
{ |
|
1009 |
nullCheck(location); |
|
1010 |
paths.lazy(); |
|
1011 |
||
1012 |
final File dir = location.isOutputLocation() ? getOutputDirectory(path) : null; |
|
1013 |
||
1014 |
if (location == CLASS_OUTPUT) |
|
1015 |
classOutDir = getOutputLocation(dir, D); |
|
1016 |
else if (location == SOURCE_OUTPUT) |
|
1017 |
sourceOutDir = getOutputLocation(dir, S); |
|
1018 |
else |
|
1019 |
paths.setPathForLocation(location, path); |
|
1020 |
} |
|
1021 |
// where |
|
1022 |
private File getOutputDirectory(Iterable<? extends File> path) throws IOException { |
|
1023 |
if (path == null) |
|
1024 |
return null; |
|
1025 |
Iterator<? extends File> pathIter = path.iterator(); |
|
1026 |
if (!pathIter.hasNext()) |
|
1027 |
throw new IllegalArgumentException("empty path for directory"); |
|
1028 |
File dir = pathIter.next(); |
|
1029 |
if (pathIter.hasNext()) |
|
1030 |
throw new IllegalArgumentException("path too long for directory"); |
|
1031 |
if (!dir.exists()) |
|
1032 |
throw new FileNotFoundException(dir + ": does not exist"); |
|
1033 |
else if (!dir.isDirectory()) |
|
1034 |
throw new IOException(dir + ": not a directory"); |
|
1035 |
return dir; |
|
1036 |
} |
|
1037 |
||
1038 |
private File getOutputLocation(File dir, OptionName defaultOptionName) { |
|
1039 |
if (dir != null) |
|
1040 |
return dir; |
|
1041 |
String arg = options.get(defaultOptionName); |
|
1042 |
if (arg == null) |
|
1043 |
return null; |
|
1044 |
return new File(arg); |
|
1045 |
} |
|
1046 |
||
1047 |
public Iterable<? extends File> getLocation(Location location) { |
|
1048 |
nullCheck(location); |
|
1049 |
paths.lazy(); |
|
1050 |
if (location == CLASS_OUTPUT) { |
|
1051 |
return (getClassOutDir() == null ? null : List.of(getClassOutDir())); |
|
1052 |
} else if (location == SOURCE_OUTPUT) { |
|
1053 |
return (getSourceOutDir() == null ? null : List.of(getSourceOutDir())); |
|
1054 |
} else |
|
1055 |
return paths.getPathForLocation(location); |
|
1056 |
} |
|
1057 |
||
1058 |
private File getClassOutDir() { |
|
1059 |
if (classOutDir == uninited) |
|
1060 |
classOutDir = getOutputLocation(null, D); |
|
1061 |
return classOutDir; |
|
1062 |
} |
|
1063 |
||
1064 |
private File getSourceOutDir() { |
|
1065 |
if (sourceOutDir == uninited) |
|
1066 |
sourceOutDir = getOutputLocation(null, S); |
|
1067 |
return sourceOutDir; |
|
1068 |
} |
|
1069 |
||
1070 |
/** |
|
1071 |
* Enforces the specification of a "relative" URI as used in |
|
1072 |
* {@linkplain #getFileForInput(Location,String,URI) |
|
1073 |
* getFileForInput}. This method must follow the rules defined in |
|
1074 |
* that method, do not make any changes without consulting the |
|
1075 |
* specification. |
|
1076 |
*/ |
|
1077 |
protected static boolean isRelativeUri(URI uri) { |
|
1078 |
if (uri.isAbsolute()) |
|
1079 |
return false; |
|
1080 |
String path = uri.normalize().getPath(); |
|
1081 |
if (path.length() == 0 /* isEmpty() is mustang API */) |
|
1082 |
return false; |
|
1083 |
char first = path.charAt(0); |
|
1084 |
return first != '.' && first != '/'; |
|
1085 |
} |
|
1086 |
||
1087 |
/** |
|
1088 |
* Converts a relative file name to a relative URI. This is |
|
1089 |
* different from File.toURI as this method does not canonicalize |
|
1090 |
* the file before creating the URI. Furthermore, no schema is |
|
1091 |
* used. |
|
1092 |
* @param file a relative file name |
|
1093 |
* @return a relative URI |
|
1094 |
* @throws IllegalArgumentException if the file name is not |
|
1095 |
* relative according to the definition given in {@link |
|
1096 |
* javax.tools.JavaFileManager#getFileForInput} |
|
1097 |
*/ |
|
1098 |
public static String getRelativeName(File file) { |
|
1099 |
if (!file.isAbsolute()) { |
|
1100 |
String result = file.getPath().replace(File.separatorChar, '/'); |
|
1101 |
if (JavacFileManager.isRelativeUri(URI.create(result))) // FIXME 6419701 |
|
1102 |
return result; |
|
1103 |
} |
|
1104 |
throw new IllegalArgumentException("Invalid relative path: " + file); |
|
1105 |
} |
|
1106 |
||
1107 |
@SuppressWarnings("deprecation") // bug 6410637 |
|
731
1dd22bdb9ca5
6714364: refactor javac File handling code into new javac.file package
jjg
parents:
657
diff
changeset
|
1108 |
public static String getJavacFileName(FileObject file) { |
10 | 1109 |
if (file instanceof BaseFileObject) |
1110 |
return ((BaseFileObject)file).getPath(); |
|
1111 |
URI uri = file.toUri(); |
|
1112 |
String scheme = uri.getScheme(); |
|
1113 |
if (scheme == null || scheme.equals("file") || scheme.equals("jar")) |
|
1114 |
return uri.getPath(); |
|
1115 |
else |
|
1116 |
return uri.toString(); |
|
1117 |
} |
|
1118 |
||
1119 |
@SuppressWarnings("deprecation") // bug 6410637 |
|
731
1dd22bdb9ca5
6714364: refactor javac File handling code into new javac.file package
jjg
parents:
657
diff
changeset
|
1120 |
public static String getJavacBaseFileName(FileObject file) { |
10 | 1121 |
if (file instanceof BaseFileObject) |
1122 |
return ((BaseFileObject)file).getName(); |
|
1123 |
URI uri = file.toUri(); |
|
1124 |
String scheme = uri.getScheme(); |
|
1125 |
if (scheme == null || scheme.equals("file") || scheme.equals("jar")) { |
|
1126 |
String path = uri.getPath(); |
|
1127 |
if (path == null) |
|
1128 |
return null; |
|
1129 |
if (scheme != null && scheme.equals("jar")) |
|
1130 |
path = path.substring(path.lastIndexOf('!') + 1); |
|
1131 |
return path.substring(path.lastIndexOf('/') + 1); |
|
1132 |
} else { |
|
1133 |
return uri.toString(); |
|
1134 |
} |
|
1135 |
} |
|
1136 |
||
1137 |
private static <T> T nullCheck(T o) { |
|
1138 |
o.getClass(); // null check |
|
1139 |
return o; |
|
1140 |
} |
|
1141 |
||
1142 |
private static <T> Iterable<T> nullCheck(Iterable<T> it) { |
|
1143 |
for (T t : it) |
|
1144 |
t.getClass(); // null check |
|
1145 |
return it; |
|
1146 |
} |
|
1147 |
} |