make/src/classes/build/tools/jarreorder/JarReorder.java - platform/external/jetbrains/jdk8u_jdk - Git at Google

 /*
  * Copyright (c) 2000, 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.
  */

 /*
  * Read an input file which is output from a java -verbose run,
  * combine with an argument list of files and directories, and
  * write a list of items to be included in a jar file.
  */
 package build.tools.jarreorder;

 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.HashSet;
 import java.io.PrintStream;
 import java.io.FileOutputStream;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;

 public class JarReorder {

     // To deal with output
     private PrintStream out;

     private void usage() {
         String help;
         help =
                 "Usage:  jar JarReorder [-o <outputfile>] <order_list> <exclude_list> <file> ...\n"
                 + "   order_list    is a file containing names of files to load\n"
                 + "                 in order at the end of a jar file unless\n"
                 + "                 excluded in the exclude list.\n"
                 + "   exclude_list  is a file containing names of files/directories\n"
                 + "                 NOT to be included in a jar file.\n"
                 + "\n"
                 + "The order_list or exclude_list may be replaced by a \"-\" if no\n"
                 + "data is to be provided.\n"
                 + "\n"
                 + "   The remaining arguments are files or directories to be included\n"
                 + "   in a jar file, from which will be excluded those entries which\n"
                 + "   appear in the exclude list.\n";
         System.err.println(help);
     }


     /*
      * Create the file list to be included in a jar file, such that the
      * list will appear in a specific order, and allowing certain
      * files and directories to be excluded.
      *
      * Command path arguments are
      *    - optional -o outputfile
      *    - name of a file containing a set of files to be included in a jar file.
      *    - name of a file containing a set of files (or directories) to be
      *      excluded from the jar file.
      *    - names of files or directories to be searched for files to include
      *      in the jar file.
      */
     public static void main(String[] args) {
         JarReorder jr = new JarReorder();
         jr.run(args);
     }

     private void run(String args[]) {

         int arglen = args.length;
         int argpos = 0;

         // Look for "-o outputfilename" option
         if (arglen > 0) {
             if (arglen >= 2 && args[0].equals("-o")) {
                 try {
                     out = new PrintStream(new FileOutputStream(args[1]));
                 } catch (FileNotFoundException e) {
                     System.err.println("Error: " + e.getMessage());
                     e.printStackTrace(System.err);
                     System.exit(1);
                 }
                 argpos += 2;
                 arglen -= 2;
             } else {
                 System.err.println("Error: Illegal arg count");
                 System.exit(1);
             }
         } else {
             out = System.out;
         }

         // Should be 2 or more args left
         if (arglen <= 2) {
             usage();
             System.exit(1);
         }

         // Read the ordered set of files to be included in rt.jar.
         // Read the set of files/directories to be excluded from rt.jar.
         String classListFile = args[argpos];
         String excludeListFile = args[argpos + 1];
         argpos += 2;
         arglen -= 2;

         // Create 2 lists and a set of processed files
         List<String> orderList = readListFromFile(classListFile, true);
         List<String> excludeList = readListFromFile(excludeListFile, false);
         Set<String> processed = new HashSet<String>();

         // Create set of all files and directories excluded, then expand
         //   that list completely
         Set<String> excludeSet = new HashSet<String>(excludeList);
         Set<String> allFilesExcluded = expand(null, excludeSet, processed);

         // Indicate all these have been processed, orderList too, kept to end.
         processed.addAll(orderList);

         // The remaining arguments are names of files/directories to be included
         // in the jar file.
         Set<String> inputSet = new HashSet<String>();
         for (int i = 0; i < arglen; ++i) {
             String name = args[argpos + i];
             name = cleanPath(new File(name));
             if ( name != null && name.length() > 0 && !inputSet.contains(name) ) {
                 inputSet.add(name);
             }
         }

         // Expand file/directory input so we get a complete set (except ordered)
         //   Should be everything not excluded and not in order list.
         Set<String> allFilesIncluded = expand(null, inputSet, processed);

         // Create simple sorted list so we can add ordered items at end.
         List<String> allFiles = new ArrayList<String>(allFilesIncluded);
         Collections.sort(allFiles);

         // Now add the ordered set to the end of the list.
         // Add in REVERSE ORDER, so that the first element is closest to
         // the end (and the index).
         for (int i = orderList.size() - 1; i >= 0; --i) {
             String s = orderList.get(i);
             if (allFilesExcluded.contains(s)) {
                 // Disable this warning until 8005688 is fixed
                 // System.err.println("Included order file " + s
                 //    + " is also excluded, skipping.");
             } else if (new File(s).exists()) {
                 allFiles.add(s);
             } else {
                 System.err.println("Included order file " + s
                     + " missing, skipping.");
             }
         }

         // Print final results.
         for (String str : allFiles) {
             out.println(str);
         }
         out.flush();
         out.close();
     }

     /*
      * Read a file containing a list of files and directories into a List.
      */
     private List<String> readListFromFile(String fileName,
             boolean addClassSuffix) {

         BufferedReader br = null;
         List<String> list = new ArrayList<String>();
         // If you see "-" for the name, just assume nothing was provided.
         if ("-".equals(fileName)) {
             return list;
         }
         try {
             br = new BufferedReader(new FileReader(fileName));
             // Read the input file a path at a time. # in column 1 is a comment.
             while (true) {
                 String path = br.readLine();
                 if (path == null) {
                     break;
                 }
                 // Look for comments
                 path = path.trim();
                 if (path.length() == 0
                         || path.charAt(0) == '#') {
                     continue;
                 }
                 // Add trailing .class if necessary
                 if (addClassSuffix && !path.endsWith(".class")) {
                     path = path + ".class";
                 }
                 // Normalize the path
                 path = cleanPath(new File(path));
                 // Add to list
                 if (path != null && path.length() > 0 && !list.contains(path)) {
                     list.add(path);
                 }
             }
             br.close();
         } catch (FileNotFoundException e) {
             System.err.println("Can't find file \"" + fileName + "\".");
             System.exit(1);
         } catch (IOException e) {
             e.printStackTrace();
             System.exit(2);
         }
         return list;
     }

     /*
      * Expands inputSet (files or dirs) into full set of all files that
      * can be found by recursively descending directories.
      * @param dir root directory
      * @param inputSet set of files or dirs to look into
      * @param processed files or dirs already processed
      * @return set of files
      */
     private Set<String> expand(File dir,
             Set<String> inputSet,
             Set<String> processed) {
         Set<String> includedFiles = new HashSet<String>();
         if (inputSet.isEmpty()) {
             return includedFiles;
         }
         for (String name : inputSet) {
             // Depending on start location
             File f = (dir == null) ? new File(name)
                     : new File(dir, name);
             // Normalized path to use
             String path = cleanPath(f);
             if (path != null && path.length() > 0
                     && !processed.contains(path)) {
                 if (f.isFile()) {
                     // Not in the excludeList, add it to both lists
                     includedFiles.add(path);
                     processed.add(path);
                 } else if (f.isDirectory()) {
                     // Add the directory entries
                     String[] dirList = f.list();
                     Set<String> dirInputSet = new HashSet<String>();
                     for (String x : dirList) {
                         dirInputSet.add(x);
                     }
                     // Process all entries in this directory
                     Set<String> subList = expand(f, dirInputSet, processed);
                     includedFiles.addAll(subList);
                     processed.add(path);
                 }
             }
         }
         return includedFiles;
     }

     private String cleanPath(File f) {
         String path = f.getPath();
         if (f.isFile()) {
             path = cleanFilePath(path);
         } else if (f.isDirectory()) {
             path = cleanDirPath(path);
         } else {
             System.err.println("WARNING: Path does not exist as file or directory: " + path);
             path = null;
         }
         return path;
     }

     private String cleanFilePath(String path) {
         // Remove leading and trailing whitespace
         path = path.trim();
         // Make all / and \ chars one
         if (File.separatorChar == '/') {
             path = path.replace('\\', '/');
         } else {
             path = path.replace('/', '\\');
         }
         // Remove leading ./
         if (path.startsWith("." + File.separator)) {
             path = path.substring(2);
         }
         return path;
     }

     private String cleanDirPath(String path) {
         path = cleanFilePath(path);
         // Make sure it ends with a file separator
         if (!path.endsWith(File.separator)) {
             path = path + File.separator;
         }
         return path;
     }

 }
	/*
	* Copyright (c) 2000, 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.
	*/

	/*
	* Read an input file which is output from a java -verbose run,
	* combine with an argument list of files and directories, and
	* write a list of items to be included in a jar file.
	*/
	package build.tools.jarreorder;

	import java.io.BufferedReader;
	import java.io.File;
	import java.io.FileNotFoundException;
	import java.io.FileReader;
	import java.io.IOException;
	import java.util.Collections;
	import java.util.HashSet;
	import java.io.PrintStream;
	import java.io.FileOutputStream;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Set;

	public class JarReorder {

	// To deal with output
	private PrintStream out;

	private void usage() {
	String help;
	help =
	"Usage: jar JarReorder [-o <outputfile>] <order_list> <exclude_list> <file> ...\n"
	+ " order_list is a file containing names of files to load\n"
	+ " in order at the end of a jar file unless\n"
	+ " excluded in the exclude list.\n"
	+ " exclude_list is a file containing names of files/directories\n"
	+ " NOT to be included in a jar file.\n"
	+ "\n"
	+ "The order_list or exclude_list may be replaced by a \"-\" if no\n"
	+ "data is to be provided.\n"
	+ "\n"
	+ " The remaining arguments are files or directories to be included\n"
	+ " in a jar file, from which will be excluded those entries which\n"
	+ " appear in the exclude list.\n";
	System.err.println(help);
	}


	/*
	* Create the file list to be included in a jar file, such that the
	* list will appear in a specific order, and allowing certain
	* files and directories to be excluded.
	*
	* Command path arguments are
	* - optional -o outputfile
	* - name of a file containing a set of files to be included in a jar file.
	* - name of a file containing a set of files (or directories) to be
	* excluded from the jar file.
	* - names of files or directories to be searched for files to include
	* in the jar file.
	*/
	public static void main(String[] args) {
	JarReorder jr = new JarReorder();
	jr.run(args);
	}

	private void run(String args[]) {

	int arglen = args.length;
	int argpos = 0;

	// Look for "-o outputfilename" option
	if (arglen > 0) {
	if (arglen >= 2 && args[0].equals("-o")) {
	try {
	out = new PrintStream(new FileOutputStream(args[1]));
	} catch (FileNotFoundException e) {
	System.err.println("Error: " + e.getMessage());
	e.printStackTrace(System.err);
	System.exit(1);
	}
	argpos += 2;
	arglen -= 2;
	} else {
	System.err.println("Error: Illegal arg count");
	System.exit(1);
	}
	} else {
	out = System.out;
	}

	// Should be 2 or more args left
	if (arglen <= 2) {
	usage();
	System.exit(1);
	}

	// Read the ordered set of files to be included in rt.jar.
	// Read the set of files/directories to be excluded from rt.jar.
	String classListFile = args[argpos];
	String excludeListFile = args[argpos + 1];
	argpos += 2;
	arglen -= 2;

	// Create 2 lists and a set of processed files
	List<String> orderList = readListFromFile(classListFile, true);
	List<String> excludeList = readListFromFile(excludeListFile, false);
	Set<String> processed = new HashSet<String>();

	// Create set of all files and directories excluded, then expand
	// that list completely
	Set<String> excludeSet = new HashSet<String>(excludeList);
	Set<String> allFilesExcluded = expand(null, excludeSet, processed);

	// Indicate all these have been processed, orderList too, kept to end.
	processed.addAll(orderList);

	// The remaining arguments are names of files/directories to be included
	// in the jar file.
	Set<String> inputSet = new HashSet<String>();
	for (int i = 0; i < arglen; ++i) {
	String name = args[argpos + i];
	name = cleanPath(new File(name));
	if ( name != null && name.length() > 0 && !inputSet.contains(name) ) {
	inputSet.add(name);
	}
	}

	// Expand file/directory input so we get a complete set (except ordered)
	// Should be everything not excluded and not in order list.
	Set<String> allFilesIncluded = expand(null, inputSet, processed);

	// Create simple sorted list so we can add ordered items at end.
	List<String> allFiles = new ArrayList<String>(allFilesIncluded);
	Collections.sort(allFiles);

	// Now add the ordered set to the end of the list.
	// Add in REVERSE ORDER, so that the first element is closest to
	// the end (and the index).
	for (int i = orderList.size() - 1; i >= 0; --i) {
	String s = orderList.get(i);
	if (allFilesExcluded.contains(s)) {
	// Disable this warning until 8005688 is fixed
	// System.err.println("Included order file " + s
	// + " is also excluded, skipping.");
	} else if (new File(s).exists()) {
	allFiles.add(s);
	} else {
	System.err.println("Included order file " + s
	+ " missing, skipping.");
	}
	}

	// Print final results.
	for (String str : allFiles) {
	out.println(str);
	}
	out.flush();
	out.close();
	}

	/*
	* Read a file containing a list of files and directories into a List.
	*/
	private List<String> readListFromFile(String fileName,
	boolean addClassSuffix) {

	BufferedReader br = null;
	List<String> list = new ArrayList<String>();
	// If you see "-" for the name, just assume nothing was provided.
	if ("-".equals(fileName)) {
	return list;
	}
	try {
	br = new BufferedReader(new FileReader(fileName));
	// Read the input file a path at a time. # in column 1 is a comment.
	while (true) {
	String path = br.readLine();
	if (path == null) {
	break;
	}
	// Look for comments
	path = path.trim();
	if (path.length() == 0
	\|\| path.charAt(0) == '#') {
	continue;
	}
	// Add trailing .class if necessary
	if (addClassSuffix && !path.endsWith(".class")) {
	path = path + ".class";
	}
	// Normalize the path
	path = cleanPath(new File(path));
	// Add to list
	if (path != null && path.length() > 0 && !list.contains(path)) {
	list.add(path);
	}
	}
	br.close();
	} catch (FileNotFoundException e) {
	System.err.println("Can't find file \"" + fileName + "\".");
	System.exit(1);
	} catch (IOException e) {
	e.printStackTrace();
	System.exit(2);
	}
	return list;
	}

	/*
	* Expands inputSet (files or dirs) into full set of all files that
	* can be found by recursively descending directories.
	* @param dir root directory
	* @param inputSet set of files or dirs to look into
	* @param processed files or dirs already processed
	* @return set of files
	*/
	private Set<String> expand(File dir,
	Set<String> inputSet,
	Set<String> processed) {
	Set<String> includedFiles = new HashSet<String>();
	if (inputSet.isEmpty()) {
	return includedFiles;
	}
	for (String name : inputSet) {
	// Depending on start location
	File f = (dir == null) ? new File(name)
	: new File(dir, name);
	// Normalized path to use
	String path = cleanPath(f);
	if (path != null && path.length() > 0
	&& !processed.contains(path)) {
	if (f.isFile()) {
	// Not in the excludeList, add it to both lists
	includedFiles.add(path);
	processed.add(path);
	} else if (f.isDirectory()) {
	// Add the directory entries
	String[] dirList = f.list();
	Set<String> dirInputSet = new HashSet<String>();
	for (String x : dirList) {
	dirInputSet.add(x);
	}
	// Process all entries in this directory
	Set<String> subList = expand(f, dirInputSet, processed);
	includedFiles.addAll(subList);
	processed.add(path);
	}
	}
	}
	return includedFiles;
	}

	private String cleanPath(File f) {
	String path = f.getPath();
	if (f.isFile()) {
	path = cleanFilePath(path);
	} else if (f.isDirectory()) {
	path = cleanDirPath(path);
	} else {
	System.err.println("WARNING: Path does not exist as file or directory: " + path);
	path = null;
	}
	return path;
	}

	private String cleanFilePath(String path) {
	// Remove leading and trailing whitespace
	path = path.trim();
	// Make all / and \ chars one
	if (File.separatorChar == '/') {
	path = path.replace('\\', '/');
	} else {
	path = path.replace('/', '\\');
	}
	// Remove leading ./
	if (path.startsWith("." + File.separator)) {
	path = path.substring(2);
	}
	return path;
	}

	private String cleanDirPath(String path) {
	path = cleanFilePath(path);
	// Make sure it ends with a file separator
	if (!path.endsWith(File.separator)) {
	path = path + File.separator;
	}
	return path;
	}

	}