diff -r 27f7952eea3c -r b980e8e6aabf src/share/classes/com/sun/tools/doclets/internal/toolkit/util/DocFile.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/doclets/internal/toolkit/util/DocFile.java Wed Oct 31 13:48:15 2012 -0700
@@ -0,0 +1,399 @@
+/*
+ * Copyright (c) 1998, 2012, 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.doclets.internal.toolkit.util;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+
+import javax.tools.JavaFileManager.Location;
+import javax.tools.StandardLocation;
+
+import com.sun.tools.doclets.internal.toolkit.Configuration;
+
+/**
+ * Abstraction for handling files, which may be specified directly
+ * (e.g. via a path on the command line) or relative to a Location.
+ *
+ *
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.
+ *
+ * @since 8
+ */
+public class DocFile {
+
+ /**
+ * The doclet configuration.
+ * Provides access to options such as docencoding, output directory, etc.
+ */
+ private final Configuration configuration;
+
+ /**
+ * The location for this file. Maybe null if the file was created without
+ * a location or path.
+ */
+ private final Location location;
+
+ /**
+ * The path relative to the (output) location. Maybe null if the file was
+ * created without a location or path.
+ */
+ private final DocPath path;
+
+ /**
+ * The file object itself.
+ * This is temporary, until we create different subtypes of DocFile.
+ */
+ private final File file;
+
+ /** Create a DocFile for a directory. */
+ public static DocFile createFileForDirectory(Configuration configuration, String file) {
+ return new DocFile(configuration, new File(file));
+ }
+
+ /** Create a DocFile for a file that will be opened for reading. */
+ public static DocFile createFileForInput(Configuration configuration, String file) {
+ return new DocFile(configuration, new File(file));
+ }
+
+ /** Create a DocFile for a file that will be opened for writing. */
+ public static DocFile createFileForOutput(Configuration configuration, DocPath path) {
+ return new DocFile(configuration, StandardLocation.CLASS_OUTPUT, path);
+ }
+
+ /**
+ * List the directories and files found in subdirectories along the
+ * elements of the given location.
+ * @param configuration the doclet configuration
+ * @param location currently, only {@link StandardLocation#SOURCE_PATH} is supported.
+ * @param path the subdirectory of the directories of the location for which to
+ * list files
+ */
+ public static Iterable list(Configuration configuration, Location location, DocPath path) {
+ if (location != StandardLocation.SOURCE_PATH)
+ throw new IllegalArgumentException();
+
+ Set files = new LinkedHashSet();
+ for (String s : configuration.sourcepath.split(File.pathSeparator)) {
+ if (s.isEmpty())
+ continue;
+ File f = new File(s);
+ if (f.isDirectory()) {
+ f = new File(f, path.getPath());
+ if (f.exists())
+ files.add(new DocFile(configuration, f));
+ }
+ }
+ return files;
+ }
+
+ /** Create a DocFile for a given file. */
+ private DocFile(Configuration configuration, File file) {
+ this.configuration = configuration;
+ this.location = null;
+ this.path = null;
+ this.file = file;
+ }
+
+ /** Create a DocFile for a given location and relative path. */
+ private DocFile(Configuration configuration, Location location, DocPath path) {
+ this.configuration = configuration;
+ this.location = location;
+ this.path = path;
+ this.file = path.resolveAgainst(configuration.destDirName);
+ }
+
+ /** Open an input stream for the file. */
+ public InputStream openInputStream() throws FileNotFoundException {
+ return new BufferedInputStream(new FileInputStream(file));
+ }
+
+ /**
+ * Open an output stream for the file.
+ * The file must have been created with a location of
+ * {@link StandardLocation#CLASS_OUTPUT} and a corresponding relative path.
+ */
+ public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
+ if (location != StandardLocation.CLASS_OUTPUT)
+ throw new IllegalStateException();
+
+ createDirectoryForFile(file);
+ return new BufferedOutputStream(new FileOutputStream(file));
+ }
+
+ /**
+ * Open an writer for the file, using the encoding (if any) given in the
+ * doclet configuration.
+ * The file must have been created with a location of
+ * {@link StandardLocation#CLASS_OUTPUT} and a corresponding relative path.
+ */
+ public Writer openWriter() throws IOException, UnsupportedEncodingException {
+ if (location != StandardLocation.CLASS_OUTPUT)
+ throw new IllegalStateException();
+
+ createDirectoryForFile(file);
+ FileOutputStream fos = new FileOutputStream(file);
+ if (configuration.docencoding == null) {
+ return new BufferedWriter(new OutputStreamWriter(fos));
+ } else {
+ return new BufferedWriter(new OutputStreamWriter(fos, configuration.docencoding));
+ }
+ }
+
+ /**
+ * Copy the contents of another file directly to this file.
+ */
+ public void copyFile(DocFile fromFile) throws IOException {
+ if (location != StandardLocation.CLASS_OUTPUT)
+ throw new IllegalStateException();
+
+ createDirectoryForFile(file);
+
+ InputStream input = fromFile.openInputStream();
+ OutputStream output = openOutputStream();
+ try {
+ byte[] bytearr = new byte[1024];
+ int len;
+ while ((len = input.read(bytearr)) != -1) {
+ output.write(bytearr, 0, len);
+ }
+ } catch (FileNotFoundException exc) {
+ } catch (SecurityException exc) {
+ } finally {
+ input.close();
+ output.close();
+ }
+ }
+
+ /**
+ * Copy the contents of a resource file to this file.
+ * @param resource the path of the resource, relative to the package of this class
+ * @param overwrite whether or not to overwrite the file if it already exists
+ * @param replaceNewLine if false, the file is copied as a binary file;
+ * if true, the file is written line by line, using the platform line
+ * separator
+ */
+ public void copyResource(DocPath resource, boolean overwrite, boolean replaceNewLine) {
+ if (location != StandardLocation.CLASS_OUTPUT)
+ throw new IllegalStateException();
+
+ if (file.exists() && !overwrite)
+ return;
+
+ createDirectoryForFile(file);
+
+ try {
+ InputStream in = Configuration.class.getResourceAsStream(resource.getPath());
+ if (in == null)
+ return;
+
+ OutputStream out = new FileOutputStream(file);
+ try {
+ if (!replaceNewLine) {
+ byte[] buf = new byte[2048];
+ int n;
+ while((n = in.read(buf))>0) out.write(buf,0,n);
+ } else {
+ BufferedReader reader = new BufferedReader(new InputStreamReader(in));
+ BufferedWriter writer;
+ if (configuration.docencoding == null) {
+ writer = new BufferedWriter(new OutputStreamWriter(out));
+ } else {
+ writer = new BufferedWriter(new OutputStreamWriter(out,
+ configuration.docencoding));
+ }
+ try {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ writer.write(line);
+ writer.write(DocletConstants.NL);
+ }
+ } finally {
+ reader.close();
+ writer.close();
+ }
+ }
+ } finally {
+ in.close();
+ out.close();
+ }
+ } catch (IOException e) {
+ e.printStackTrace(System.err);
+ throw new DocletAbortException();
+ }
+ }
+
+ /** Return true if the file can be read. */
+ public boolean canRead() {
+ return file.canRead();
+ }
+
+ /** Return true if the file can be written. */
+ public boolean canWrite() {
+ return file.canRead();
+ }
+
+ /** Return true if the file exists. */
+ public boolean exists() {
+ return file.exists();
+ }
+
+ /** Return the base name (last component) of the file name. */
+ public String getName() {
+ return file.getName();
+ }
+
+ /** Return the file system path for this file. */
+ public String getPath() {
+ return file.getPath();
+ }
+
+ /** Return true is file has an absolute path name. */
+ boolean isAbsolute() {
+ return file.isAbsolute();
+ }
+
+ /** Return true is file identifies a directory. */
+ public boolean isDirectory() {
+ return file.isDirectory();
+ }
+
+ /** Return true is file identifies a file. */
+ public boolean isFile() {
+ return file.isFile();
+ }
+
+ /** Return true if this file is the same as another. */
+ public boolean isSameFile(DocFile other) {
+ try {
+ return file.exists()
+ && file.getCanonicalFile().equals(other.file.getCanonicalFile());
+ } catch (IOException e) {
+ return false;
+ }
+ }
+
+ /** If the file is a directory, list its contents. */
+ public Iterable list() {
+ List files = new ArrayList();
+ for (File f: file.listFiles()) {
+ files.add(new DocFile(configuration, f));
+ }
+ return files;
+ }
+
+ /** Create the file as a directory, including any parent directories. */
+ public boolean mkdirs() {
+ return file.mkdirs();
+ }
+
+ /**
+ * Derive a new file by resolving a relative path against this file.
+ * The new file will inherit the configuration and location of this file
+ * If this file has a path set, the new file will have a corresponding
+ * new path.
+ */
+ public DocFile resolve(DocPath p) {
+ return resolve(p.getPath());
+ }
+
+ /**
+ * Derive a new file by resolving a relative path against this file.
+ * The new file will inherit the configuration and location of this file
+ * If this file has a path set, the new file will have a corresponding
+ * new path.
+ */
+ public DocFile resolve(String p) {
+ if (location == null && path == null) {
+ return new DocFile(configuration, new File(file, p));
+ } else {
+ return new DocFile(configuration, location, path.resolve(p));
+ }
+ }
+
+ /**
+ * Resolve a relative file against the given output location.
+ * @param locn Currently, only SOURCE_OUTPUT is supported.
+ */
+ public DocFile resolveAgainst(StandardLocation locn) {
+ if (locn != StandardLocation.CLASS_OUTPUT)
+ throw new IllegalArgumentException();
+ return new DocFile(configuration,
+ new File(configuration.destDirName, file.getPath()));
+ }
+
+ /**
+ * Given a path string create all the directories in the path. For example,
+ * if the path string is "java/applet", the method will create directory
+ * "java" and then "java/applet" if they don't exist. The file separator
+ * string "/" is platform dependent system property.
+ *
+ * @param path Directory path string.
+ */
+ private void createDirectoryForFile(File file) {
+ File dir = file.getParentFile();
+ if (dir == null || dir.exists() || dir.mkdirs())
+ return;
+
+ configuration.message.error(
+ "doclet.Unable_to_create_directory_0", dir.getPath());
+ throw new DocletAbortException();
+ }
+
+ /** Return a string to identify the contents of this object,
+ * for debugging purposes.
+ */
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ sb.append("DocFile[");
+ if (location != null)
+ sb.append("locn:").append(location).append(",");
+ if (path != null)
+ sb.append("path:").append(path.getPath()).append(",");
+ sb.append("file:").append(file);
+ sb.append("]");
+ return sb.toString();
+ }
+}