make/tools/src/build/tools/jarreorder/JarReorder.java - toolchain/jdk/jdk9_jdk - Git at Google

 /*
  * Copyright (c) 2000, 2005, 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.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Vector;
 import java.io.PrintStream;
 import java.io.FileOutputStream;

 public class JarReorder {

     // To deal with output
     private static PrintStream out;

     private final static boolean useTopDir = false;

     private static 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.\n"
           + "   exclude_list  is a file containing names of files/directories\n"
           + "                 NOT to be included in a jar file.\n";
         if (useTopDir)
             help +=
                 "   top_dir       is the top of the directory structure to be searched;\n"
               + "                 the contents of the lists and remaining arguments are\n"
               + "                 relative to this.\n";
         help +=
             "\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 thse entries which\n"
           + "   appear in the exclude list.\n";
         System.err.println(help);
         System.exit(1);
     }


     /*
      * Create a list of files to be included in a jar file, such that the
      * some the files will appear in a specific order, and allowing certain
      * files and directories to be excluded.
      *
      * Command line arguments are
      *    - optional -o outputfile
      *    - name of a file containing a list of files to be included in a jar file.
      *    - name of a file containing a list 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) {

         HashMap filesExcluded = new HashMap();
         Vector filesIncluded = new Vector();
         int fileArgs;
         String topDirName = "";
         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;
         }

         fileArgs = useTopDir ? 3 : 2;

         if (arglen <= fileArgs) {
             usage();
         }

         // Read the ordered list of files to be included in rt.jar.
         // Read the list of files/directories to be excluded from rt.jar.

         Vector orderList = readListFromFile(args[argpos], true);
         Vector excludeList = readListFromFile(args[argpos+1], false);
         if (useTopDir) {
             topDirName = args[argpos+2];
             if (!topDirName.endsWith(File.separator))
                 topDirName = topDirName + File.separator;
         }

         // Copy these lists into filesExcluded so that these files will be excluded
         // from the file list. (The orderList files will be appended later.)

         for (int i = 0; i < orderList.size(); ++i) {
             String s = (String) orderList.elementAt(i);
             filesExcluded.put(s, s);
         }
         for (int i = 0; i < excludeList.size(); ++i) {
             String s = (String) excludeList.elementAt(i);
             filesExcluded.put(s, s);
         }

         // The remaining arguments are names of files/directories to be included
         // in the jar file.

         String[] files = new String[arglen - fileArgs];
         for (int i = fileArgs; i < arglen; ++i) {
             files[i-fileArgs] = args[argpos+i];
             filesExcluded.put(args[argpos+i], args[argpos+i]);
         }

         // Expand file/directory list to file list excluding those
         // read from the class list.

         if (useTopDir)
             expand(new File(topDirName), files, filesIncluded, filesExcluded, topDirName);
         else
             expand(null, files, filesIncluded, filesExcluded, null);

         // Now add the ordered list to the end of the expanded list.
         // Add in REVERSE ORDER, so that the first element is closest to
         // the end (and the index).

         HashSet excludeSet = new HashSet(excludeList);
         for (int i = orderList.size() - 1; i >= 0; --i) {
             String s = (String) orderList.elementAt(i);
             if (excludeSet.contains(s)) {
                 System.err.println("Included file " + s + " is also excluded, skipping.");
                 continue;
             }
             if (new File(topDirName + s).exists())
                 filesIncluded.addElement(s);
             else
                 System.err.println("Included file "+s+" missing, skipping.");
         }

         // Print results.

         for (int i = 0; i < filesIncluded.size(); ++i) {
             if (useTopDir) {
                 out.print("-C ");
                 out.print(topDirName);
                 out.print(" ");
             }
             out.println((String)filesIncluded.elementAt(i));
         }

         out.flush();
         out.close();
     }


     /*
      * Read a file containing a list of files into a Vector.
      */
     private static Vector readListFromFile(String fileName,
                                            boolean addClassSuffix) {

         BufferedReader br = null;
         Vector v = new Vector(2000);

         if ("-".equals(fileName))
             return v;

         try {
             br = new BufferedReader(new FileReader(fileName));

         // Read the input file a line at a time. # in column 1 is a comment.

             while (true) {
                 String line = null;
                 line = br.readLine();

                 if (line == null)
                     break;

                 if (line.length() == 0    ||
                     line.charAt(0) == '#')
                     continue;

                 // Convert forward or back slashes to the type expected for
                 // the current platform.

                 if (File.separatorChar == '/')
                     line = line.replace('\\', '/');
                 else
                     line = line.replace('/', '\\');

                 line = line.trim();
                 if (addClassSuffix) {
                     if (!line.endsWith(".class")) {
                         line = line + ".class";
                     }
                 }
                 v.addElement(line);
             }
             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 v;
     }


     /*
      * Expands list of files to process into full list of all files that
      * can be found by recursively descending directories.
      */
     private static void expand(File dir, String[] files,
                                Vector includedFiles, HashMap excludedFiles,
                                String topDirName) {
         if (files == null) {
             return;
         }
         for (int i = 0; i < files.length; i++) {
             File f = (dir == null) ? new File(files[i])
                                    : new File(dir, files[i]);
             if (f.isFile()) {
                 String filePath = f.getPath();

                 if (useTopDir) {
                     if (filePath.startsWith(topDirName))
                         filePath = filePath.substring(topDirName.length());
                 }

                 if (filePath.length() >= 2 &&
                     filePath.charAt(0) == '.' &&
                     filePath.charAt(1) == File.separatorChar)
                     filePath = filePath.substring(2);

                 if (!excludedFiles.containsKey(filePath)) {
                     excludedFiles.put(filePath, filePath);
                     includedFiles.addElement(filePath);
                 }
             } else if (f.isDirectory()) {
                 String dirPath = f.getPath();
                 dirPath = (dirPath.endsWith(File.separator)) ? dirPath :
                     (dirPath + File.separator);

                 if (useTopDir) {
                     if (dirPath.startsWith(topDirName))
                         dirPath = dirPath.substring(topDirName.length());
                 }

                 if (dirPath.length() >= 2 &&
                     dirPath.charAt(0) == '.' &&
                     dirPath.charAt(1) == File.separatorChar)
                     dirPath = dirPath.substring(2);

                 if (!excludedFiles.containsKey(dirPath)) {

                     // Sort the directory list so that entries in the jar file
                     // are in a repeatable order.  The order itself is not particularly
                     // important.  [File.list() is unpredictable.]

                     String[] dirList = f.list();
                     Arrays.sort(dirList);
                     expand(f, dirList, includedFiles, excludedFiles, topDirName);
                 }
             } else {
                 System.err.println("Error accessing: " + f.getPath());
             }
         }
     }
 }
	/*
	* Copyright (c) 2000, 2005, 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.Arrays;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Vector;
	import java.io.PrintStream;
	import java.io.FileOutputStream;

	public class JarReorder {

	// To deal with output
	private static PrintStream out;

	private final static boolean useTopDir = false;

	private static 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.\n"
	+ " exclude_list is a file containing names of files/directories\n"
	+ " NOT to be included in a jar file.\n";
	if (useTopDir)
	help +=
	" top_dir is the top of the directory structure to be searched;\n"
	+ " the contents of the lists and remaining arguments are\n"
	+ " relative to this.\n";
	help +=
	"\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 thse entries which\n"
	+ " appear in the exclude list.\n";
	System.err.println(help);
	System.exit(1);
	}


	/*
	* Create a list of files to be included in a jar file, such that the
	* some the files will appear in a specific order, and allowing certain
	* files and directories to be excluded.
	*
	* Command line arguments are
	* - optional -o outputfile
	* - name of a file containing a list of files to be included in a jar file.
	* - name of a file containing a list 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) {

	HashMap filesExcluded = new HashMap();
	Vector filesIncluded = new Vector();
	int fileArgs;
	String topDirName = "";
	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;
	}

	fileArgs = useTopDir ? 3 : 2;

	if (arglen <= fileArgs) {
	usage();
	}

	// Read the ordered list of files to be included in rt.jar.
	// Read the list of files/directories to be excluded from rt.jar.

	Vector orderList = readListFromFile(args[argpos], true);
	Vector excludeList = readListFromFile(args[argpos+1], false);
	if (useTopDir) {
	topDirName = args[argpos+2];
	if (!topDirName.endsWith(File.separator))
	topDirName = topDirName + File.separator;
	}

	// Copy these lists into filesExcluded so that these files will be excluded
	// from the file list. (The orderList files will be appended later.)

	for (int i = 0; i < orderList.size(); ++i) {
	String s = (String) orderList.elementAt(i);
	filesExcluded.put(s, s);
	}
	for (int i = 0; i < excludeList.size(); ++i) {
	String s = (String) excludeList.elementAt(i);
	filesExcluded.put(s, s);
	}

	// The remaining arguments are names of files/directories to be included
	// in the jar file.

	String[] files = new String[arglen - fileArgs];
	for (int i = fileArgs; i < arglen; ++i) {
	files[i-fileArgs] = args[argpos+i];
	filesExcluded.put(args[argpos+i], args[argpos+i]);
	}

	// Expand file/directory list to file list excluding those
	// read from the class list.

	if (useTopDir)
	expand(new File(topDirName), files, filesIncluded, filesExcluded, topDirName);
	else
	expand(null, files, filesIncluded, filesExcluded, null);

	// Now add the ordered list to the end of the expanded list.
	// Add in REVERSE ORDER, so that the first element is closest to
	// the end (and the index).

	HashSet excludeSet = new HashSet(excludeList);
	for (int i = orderList.size() - 1; i >= 0; --i) {
	String s = (String) orderList.elementAt(i);
	if (excludeSet.contains(s)) {
	System.err.println("Included file " + s + " is also excluded, skipping.");
	continue;
	}
	if (new File(topDirName + s).exists())
	filesIncluded.addElement(s);
	else
	System.err.println("Included file "+s+" missing, skipping.");
	}

	// Print results.

	for (int i = 0; i < filesIncluded.size(); ++i) {
	if (useTopDir) {
	out.print("-C ");
	out.print(topDirName);
	out.print(" ");
	}
	out.println((String)filesIncluded.elementAt(i));
	}

	out.flush();
	out.close();
	}


	/*
	* Read a file containing a list of files into a Vector.
	*/
	private static Vector readListFromFile(String fileName,
	boolean addClassSuffix) {

	BufferedReader br = null;
	Vector v = new Vector(2000);

	if ("-".equals(fileName))
	return v;

	try {
	br = new BufferedReader(new FileReader(fileName));

	// Read the input file a line at a time. # in column 1 is a comment.

	while (true) {
	String line = null;
	line = br.readLine();

	if (line == null)
	break;

	if (line.length() == 0 \|\|
	line.charAt(0) == '#')
	continue;

	// Convert forward or back slashes to the type expected for
	// the current platform.

	if (File.separatorChar == '/')
	line = line.replace('\\', '/');
	else
	line = line.replace('/', '\\');

	line = line.trim();
	if (addClassSuffix) {
	if (!line.endsWith(".class")) {
	line = line + ".class";
	}
	}
	v.addElement(line);
	}
	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 v;
	}


	/*
	* Expands list of files to process into full list of all files that
	* can be found by recursively descending directories.
	*/
	private static void expand(File dir, String[] files,
	Vector includedFiles, HashMap excludedFiles,
	String topDirName) {
	if (files == null) {
	return;
	}
	for (int i = 0; i < files.length; i++) {
	File f = (dir == null) ? new File(files[i])
	: new File(dir, files[i]);
	if (f.isFile()) {
	String filePath = f.getPath();

	if (useTopDir) {
	if (filePath.startsWith(topDirName))
	filePath = filePath.substring(topDirName.length());
	}

	if (filePath.length() >= 2 &&
	filePath.charAt(0) == '.' &&
	filePath.charAt(1) == File.separatorChar)
	filePath = filePath.substring(2);

	if (!excludedFiles.containsKey(filePath)) {
	excludedFiles.put(filePath, filePath);
	includedFiles.addElement(filePath);
	}
	} else if (f.isDirectory()) {
	String dirPath = f.getPath();
	dirPath = (dirPath.endsWith(File.separator)) ? dirPath :
	(dirPath + File.separator);

	if (useTopDir) {
	if (dirPath.startsWith(topDirName))
	dirPath = dirPath.substring(topDirName.length());
	}

	if (dirPath.length() >= 2 &&
	dirPath.charAt(0) == '.' &&
	dirPath.charAt(1) == File.separatorChar)
	dirPath = dirPath.substring(2);

	if (!excludedFiles.containsKey(dirPath)) {

	// Sort the directory list so that entries in the jar file
	// are in a repeatable order. The order itself is not particularly
	// important. [File.list() is unpredictable.]

	String[] dirList = f.list();
	Arrays.sort(dirList);
	expand(f, dirList, includedFiles, excludedFiles, topDirName);
	}
	} else {
	System.err.println("Error accessing: " + f.getPath());
	}
	}
	}
	}