langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/RegularFileObject.java
--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/file/RegularFileObject.java Thu Dec 10 08:17:12 2015 -0800
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,265 +0,0 @@
-/*
- * Copyright (c) 2005, 2014, Oracle and/or its affiliates. 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. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package com.sun.tools.javac.file;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.lang.ref.Reference;
-import java.lang.ref.SoftReference;
-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.Paths;
-import java.text.Normalizer;
-import java.util.Objects;
-
-import javax.tools.JavaFileObject;
-
-import com.sun.tools.javac.util.DefinedBy;
-import com.sun.tools.javac.util.DefinedBy.Api;
-
-/**
- * A subclass of JavaFileObject representing regular files.
- *
- * <p><b>This is NOT part of any supported API.
- * 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 RegularFileObject extends BaseFileObject {
-
- /** Have the parent directories been created?
- */
- private boolean hasParents = false;
- private String name;
- final Path file;
- private Reference<Path> absFileRef;
- final static boolean isMacOS = System.getProperty("os.name", "").contains("OS X");
-
- public RegularFileObject(JavacFileManager fileManager, Path f) {
- this(fileManager, f.getFileName().toString(), f);
- }
-
- public RegularFileObject(JavacFileManager fileManager, String name, Path f) {
- super(fileManager);
- if (Files.isDirectory(f)) {
- throw new IllegalArgumentException("directories not supported");
- }
- this.name = name;
- this.file = f;
- if (getLastModified() > System.currentTimeMillis())
- fileManager.log.warning("file.from.future", f);
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public URI toUri() {
- return file.toUri().normalize();
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public String getName() {
- return file.toString();
- }
-
- @Override
- public String getShortName() {
- return name;
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public JavaFileObject.Kind getKind() {
- return getKind(name);
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public InputStream openInputStream() throws IOException {
- return Files.newInputStream(file);
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public OutputStream openOutputStream() throws IOException {
- fileManager.flushCache(this);
- ensureParentDirectoriesExist();
- return Files.newOutputStream(file);
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public CharBuffer getCharContent(boolean ignoreEncodingErrors) throws IOException {
- CharBuffer cb = fileManager.getCachedContent(this);
- if (cb == null) {
- try (InputStream in = Files.newInputStream(file)) {
- 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);
- }
- }
- }
- return cb;
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public Writer openWriter() throws IOException {
- fileManager.flushCache(this);
- ensureParentDirectoriesExist();
- return new OutputStreamWriter(Files.newOutputStream(file), fileManager.getEncodingName());
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public long getLastModified() {
- try {
- return Files.getLastModifiedTime(file).toMillis();
- } catch (IOException e) {
- return 0;
- }
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public boolean delete() {
- try {
- Files.delete(file);
- return true;
- } catch (IOException e) {
- return false;
- }
- }
-
- @Override
- protected CharsetDecoder getDecoder(boolean ignoreEncodingErrors) {
- return fileManager.getDecoder(fileManager.getEncodingName(), ignoreEncodingErrors);
- }
-
- @Override
- protected String inferBinaryName(Iterable<? extends Path> path) {
- String fPath = file.toString();
- //System.err.println("RegularFileObject " + file + " " +r.getPath());
- for (Path dir: path) {
- //System.err.println("dir: " + dir);
- String sep = dir.getFileSystem().getSeparator();
- String dPath = dir.toString();
- if (dPath.length() == 0)
- dPath = System.getProperty("user.dir");
- if (!dPath.endsWith(sep))
- dPath += sep;
- if (fPath.regionMatches(true, 0, dPath, 0, dPath.length())
- && Paths.get(fPath.substring(0, dPath.length())).equals(Paths.get(dPath))) {
- String relativeName = fPath.substring(dPath.length());
- return removeExtension(relativeName).replace(sep, ".");
- }
- }
- return null;
- }
-
- @Override @DefinedBy(Api.COMPILER)
- public boolean isNameCompatible(String cn, JavaFileObject.Kind kind) {
- Objects.requireNonNull(cn);
- // null check
- if (kind == Kind.OTHER && getKind() != kind) {
- return false;
- }
- String n = cn + kind.extension;
- if (name.equals(n)) {
- return true;
- }
- if (isMacOS && Normalizer.isNormalized(name, Normalizer.Form.NFD)
- && Normalizer.isNormalized(n, Normalizer.Form.NFC)) {
- // On Mac OS X it is quite possible to file name and class
- // name normalized in a different way - in that case we have to normalize file name
- // to the Normal Form Compised (NFC)
- String normName = Normalizer.normalize(name, Normalizer.Form.NFC);
- if (normName.equals(n)) {
- this.name = normName;
- return true;
- }
- }
-
- if (name.equalsIgnoreCase(n)) {
- try {
- // allow for Windows
- return file.toRealPath().getFileName().toString().equals(n);
- } catch (IOException e) {
- }
- }
- return false;
- }
-
- private void ensureParentDirectoriesExist() throws IOException {
- if (!hasParents) {
- Path parent = file.getParent();
- if (parent != null && !Files.isDirectory(parent)) {
- try {
- Files.createDirectories(parent);
- } catch (IOException e) {
- throw new IOException("could not create parent directories", e);
- }
- }
- hasParents = true;
- }
- }
-
- /**
- * Check if two file objects are equal.
- * Two RegularFileObjects are equal if the absolute paths of the underlying
- * files are equal.
- */
- @Override
- public boolean equals(Object other) {
- if (this == other)
- return true;
-
- if (!(other instanceof RegularFileObject))
- return false;
-
- RegularFileObject o = (RegularFileObject) other;
- return getAbsoluteFile().equals(o.getAbsoluteFile());
- }
-
- @Override
- public int hashCode() {
- return getAbsoluteFile().hashCode();
- }
-
- private Path getAbsoluteFile() {
- Path absFile = (absFileRef == null ? null : absFileRef.get());
- if (absFile == null) {
- absFile = file.toAbsolutePath();
- absFileRef = new SoftReference<>(absFile);
- }
- return absFile;
- }
-}