src/share/classes/com/sun/tools/doclets/internal/toolkit/util/SimpleDocFileFactory.java - platform/external/jetbrains/jdk8u_langtools - Git at Google

 /*
  * Copyright (c) 1998, 2013, 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.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.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.DocumentationTool;
 import javax.tools.JavaFileManager.Location;
 import javax.tools.StandardLocation;

 import com.sun.tools.doclets.internal.toolkit.Configuration;

 /**
  * Implementation of DocFileFactory that just uses java.io.File API,
  * and does not use a JavaFileManager..
  *
  *  <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>
  *
  * @since 1.8
  */
 class SimpleDocFileFactory extends DocFileFactory {

     public SimpleDocFileFactory(Configuration configuration) {
         super(configuration);
     }

     public DocFile createFileForDirectory(String file) {
         return new SimpleDocFile(new File(file));
     }

     public DocFile createFileForInput(String file) {
         return new SimpleDocFile(new File(file));
     }

     public DocFile createFileForOutput(DocPath path) {
         return new SimpleDocFile(DocumentationTool.Location.DOCUMENTATION_OUTPUT, path);
     }

     @Override
     Iterable<DocFile> list(Location location, DocPath path) {
         if (location != StandardLocation.SOURCE_PATH)
             throw new IllegalArgumentException();

         Set<DocFile> files = new LinkedHashSet<DocFile>();
         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 SimpleDocFile(f));
             }
         }
         return files;
     }

     class SimpleDocFile extends DocFile {
         private File file;

         /** Create a DocFile for a given file. */
         private SimpleDocFile(File file) {
             super(configuration);
             this.file = file;
         }

         /** Create a DocFile for a given location and relative path. */
         private SimpleDocFile(Location location, DocPath path) {
             super(configuration, location, path);
             String destDirName = configuration.destDirName;
             this.file = destDirName.isEmpty() ? new File(path.getPath())
                     : new File(destDirName, path.getPath());
         }

         /** 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 DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
          */
         public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
             if (location != DocumentationTool.Location.DOCUMENTATION_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 DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
          */
         public Writer openWriter() throws IOException, UnsupportedEncodingException {
             if (location != DocumentationTool.Location.DOCUMENTATION_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));
             }
         }

         /** 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. */
         public 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) {
             if (!(other instanceof SimpleDocFile))
                 return false;

             try {
                 return file.exists()
                         && file.getCanonicalFile().equals(((SimpleDocFile)other).file.getCanonicalFile());
             } catch (IOException e) {
                 return false;
             }
         }

         /** If the file is a directory, list its contents. */
         public Iterable<DocFile> list() {
             List<DocFile> files = new ArrayList<DocFile>();
             for (File f: file.listFiles()) {
                 files.add(new SimpleDocFile(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 SimpleDocFile(new File(file, p));
             } else {
                 return new SimpleDocFile(location, path.resolve(p));
             }
         }

         /**
          * Resolve a relative file against the given output location.
          * @param locn Currently, only
          * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} is supported.
          */
         public DocFile resolveAgainst(Location locn) {
             if (locn != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
                 throw new IllegalArgumentException();
             return new SimpleDocFile(
                     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("can't create directory");
         }

         /** 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();
         }

     }
 }
	/*
	* Copyright (c) 1998, 2013, 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.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.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.DocumentationTool;
	import javax.tools.JavaFileManager.Location;
	import javax.tools.StandardLocation;

	import com.sun.tools.doclets.internal.toolkit.Configuration;

	/**
	* Implementation of DocFileFactory that just uses java.io.File API,
	* and does not use a JavaFileManager..
	*
	* <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>
	*
	* @since 1.8
	*/
	class SimpleDocFileFactory extends DocFileFactory {

	public SimpleDocFileFactory(Configuration configuration) {
	super(configuration);
	}

	public DocFile createFileForDirectory(String file) {
	return new SimpleDocFile(new File(file));
	}

	public DocFile createFileForInput(String file) {
	return new SimpleDocFile(new File(file));
	}

	public DocFile createFileForOutput(DocPath path) {
	return new SimpleDocFile(DocumentationTool.Location.DOCUMENTATION_OUTPUT, path);
	}

	@Override
	Iterable<DocFile> list(Location location, DocPath path) {
	if (location != StandardLocation.SOURCE_PATH)
	throw new IllegalArgumentException();

	Set<DocFile> files = new LinkedHashSet<DocFile>();
	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 SimpleDocFile(f));
	}
	}
	return files;
	}

	class SimpleDocFile extends DocFile {
	private File file;

	/** Create a DocFile for a given file. */
	private SimpleDocFile(File file) {
	super(configuration);
	this.file = file;
	}

	/** Create a DocFile for a given location and relative path. */
	private SimpleDocFile(Location location, DocPath path) {
	super(configuration, location, path);
	String destDirName = configuration.destDirName;
	this.file = destDirName.isEmpty() ? new File(path.getPath())
	: new File(destDirName, path.getPath());
	}

	/** 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 DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
	*/
	public OutputStream openOutputStream() throws IOException, UnsupportedEncodingException {
	if (location != DocumentationTool.Location.DOCUMENTATION_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 DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
	*/
	public Writer openWriter() throws IOException, UnsupportedEncodingException {
	if (location != DocumentationTool.Location.DOCUMENTATION_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));
	}
	}

	/** 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. */
	public 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) {
	if (!(other instanceof SimpleDocFile))
	return false;

	try {
	return file.exists()
	&& file.getCanonicalFile().equals(((SimpleDocFile)other).file.getCanonicalFile());
	} catch (IOException e) {
	return false;
	}
	}

	/** If the file is a directory, list its contents. */
	public Iterable<DocFile> list() {
	List<DocFile> files = new ArrayList<DocFile>();
	for (File f: file.listFiles()) {
	files.add(new SimpleDocFile(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 SimpleDocFile(new File(file, p));
	} else {
	return new SimpleDocFile(location, path.resolve(p));
	}
	}

	/**
	* Resolve a relative file against the given output location.
	* @param locn Currently, only
	* {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} is supported.
	*/
	public DocFile resolveAgainst(Location locn) {
	if (locn != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
	throw new IllegalArgumentException();
	return new SimpleDocFile(
	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("can't create directory");
	}

	/** 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();
	}

	}
	}