make/tools/compileproperties/CompileProperties.java

Mon, 03 Nov 2014 12:35:10 -0800

author
asaha
date
Mon, 03 Nov 2014 12:35:10 -0800
changeset 2661
05824e9d8171
parent 1305
9d47f4850714
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Added tag jdk8u31-b07 for changeset 03b8ef4cf0c0

     1 /*
     2  * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Oracle designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Oracle in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    22  * or visit www.oracle.com if you need additional information or have any
    23  * questions.
    24  */
    26 package compileproperties;
    28 import java.io.BufferedWriter;
    29 import java.io.File;
    30 import java.io.FileInputStream;
    31 import java.io.FileNotFoundException;
    32 import java.io.FileOutputStream;
    33 import java.io.IOException;
    34 import java.io.OutputStreamWriter;
    35 import java.io.Writer;
    36 import java.text.MessageFormat;
    37 import java.util.ArrayList;
    38 import java.util.Collections;
    39 import java.util.Iterator;
    40 import java.util.List;
    41 import java.util.Properties;
    43 /** Translates a .properties file into a .java file containing the
    44  *  definition of a java.util.Properties subclass which can then be
    45  *  compiled with javac. <P>
    46  *
    47  *  Usage: java CompileProperties [path to .properties file] [path to .java file to be output] [super class]
    48  *
    49  *  Infers the package by looking at the common suffix of the two
    50  *  inputs, eliminating "classes" from it.
    51  *
    52  * @author Scott Violet
    53  * @author Kenneth Russell
    54  */
    56 public class CompileProperties {
    58     public static void main(String[] args) {
    59         CompileProperties cp = new CompileProperties();
    60         boolean ok = cp.run(args);
    61         if ( !ok ) {
    62             System.exit(1);
    63         }
    64     }
    66     public static interface Log {
    67         void info(String msg);
    68         void verbose(String msg);
    69         void error(String msg, Exception e);
    70     }
    72     private String propfiles[];
    73     private String outfiles[] ;
    74     private String supers[]   ;
    75     private int compileCount = 0;
    76     private boolean quiet = false;
    77     public Log log;
    79     public void setLog(Log log) {
    80         this.log = log;
    81     }
    83     public boolean run(String[] args) {
    84         if (log == null) {
    85             log = new Log() {
    86                 public void error(String msg, Exception e) {
    87                     System.err.println("ERROR: CompileProperties: " + msg);
    88                     if ( e != null ) {
    89                         System.err.println("EXCEPTION: " + e.toString());
    90                         e.printStackTrace();
    91                     }
    92                 }
    93                 public void info(String msg) {
    94                     System.out.println(msg);
    95                 }
    96                 public void verbose(String msg) {
    97                     if (!quiet)
    98                         System.out.println(msg);
    99                 }
   100             };
   101         }
   103         boolean ok = true;
   104         /* Original usage */
   105         if (args.length == 2 && args[0].charAt(0) != '-' ) {
   106             ok = createFile(args[0], args[1], "java.util.ListResourceBundle");
   107         } else if (args.length == 3) {
   108             ok = createFile(args[0], args[1], args[2]);
   109         } else if (args.length == 0) {
   110             usage(log);
   111             ok = false;
   112         } else {
   113             /* New batch usage */
   114             ok = parseOptions(args);
   115             if ( ok && compileCount == 0 ) {
   116                 log.error("options parsed but no files to compile", null);
   117                 ok = false;
   118             }
   119             /* Need at least one file. */
   120             if ( !ok ) {
   121                 usage(log);
   122             } else {
   123                 /* Process files */
   124                 for ( int i = 0; i < compileCount && ok ; i++ ) {
   125                     ok = createFile(propfiles[i], outfiles[i], supers[i]);
   126                 }
   127             }
   128         }
   129         return ok;
   130     }
   132     private boolean parseOptions(String args[]) {
   133         boolean ok = true;
   134         if ( compileCount > 0 ) {
   135             String new_propfiles[] = new String[compileCount + args.length];
   136             String new_outfiles[]  = new String[compileCount + args.length];
   137             String new_supers[]    = new String[compileCount + args.length];
   138             System.arraycopy(propfiles, 0, new_propfiles, 0, compileCount);
   139             System.arraycopy(outfiles, 0, new_outfiles, 0, compileCount);
   140             System.arraycopy(supers, 0, new_supers, 0, compileCount);
   141             propfiles = new_propfiles;
   142             outfiles  = new_outfiles;
   143             supers    = new_supers;
   144         } else {
   145             propfiles = new String[args.length];
   146             outfiles  = new String[args.length];
   147             supers    = new String[args.length];
   148         }
   150         for ( int i = 0; i < args.length ; i++ ) {
   151             if ( "-compile".equals(args[i]) && i+3 < args.length ) {
   152                 propfiles[compileCount] = args[++i];
   153                 outfiles[compileCount]  = args[++i];
   154                 supers[compileCount]    = args[++i];
   155                 compileCount++;
   156             } else if ( "-optionsfile".equals(args[i]) && i+1 < args.length ) {
   157                 String filename = args[++i];
   158                 FileInputStream finput = null;
   159                 byte contents[] = null;
   160                 try {
   161                     finput = new FileInputStream(filename);
   162                     int byteCount = finput.available();
   163                     if ( byteCount <= 0 ) {
   164                         log.error("The -optionsfile file is empty", null);
   165                         ok = false;
   166                     } else {
   167                         contents = new byte[byteCount];
   168                         int bytesRead = finput.read(contents);
   169                         if ( byteCount != bytesRead ) {
   170                             log.error("Cannot read all of -optionsfile file", null);
   171                             ok = false;
   172                         }
   173                     }
   174                 } catch ( IOException e ) {
   175                     log.error("cannot open " + filename, e);
   176                     ok = false;
   177                 }
   178                 if ( finput != null ) {
   179                     try {
   180                         finput.close();
   181                     } catch ( IOException e ) {
   182                         ok = false;
   183                         log.error("cannot close " + filename, e);
   184                     }
   185                 }
   186                 if ( ok = true && contents != null ) {
   187                     String tokens[] = (new String(contents)).split("\\s+");
   188                     if ( tokens.length > 0 ) {
   189                         ok = parseOptions(tokens);
   190                     }
   191                 }
   192                 if ( !ok ) {
   193                     break;
   194                 }
   195             } else if ( "-quiet".equals(args[i]) ) {
   196                 quiet = true;
   197             } else {
   198                 log.error("argument error", null);
   199                 ok = false;
   200             }
   201         }
   202         return ok;
   203     }
   205     private boolean createFile(String propertiesPath, String outputPath,
   206             String superClass) {
   207         boolean ok = true;
   208         log.verbose("parsing: " + propertiesPath);
   209         Properties p = new Properties();
   210         try {
   211             p.load(new FileInputStream(propertiesPath));
   212         } catch ( FileNotFoundException e ) {
   213             ok = false;
   214             log.error("Cannot find file " + propertiesPath, e);
   215         } catch ( IOException e ) {
   216             ok = false;
   217             log.error("IO error on file " + propertiesPath, e);
   218         }
   219         if ( ok ) {
   220             String packageName = inferPackageName(propertiesPath, outputPath);
   221             log.verbose("inferred package name: " + packageName);
   222             List<String> sortedKeys = new ArrayList<String>();
   223             for ( Object key : p.keySet() ) {
   224                 sortedKeys.add((String)key);
   225             }
   226             Collections.sort(sortedKeys);
   227             Iterator<String> keys = sortedKeys.iterator();
   229             StringBuffer data = new StringBuffer();
   231             while (keys.hasNext()) {
   232                 String key = keys.next();
   233                 data.append("            { \"" + escape(key) + "\", \"" +
   234                         escape((String)p.get(key)) + "\" },\n");
   235             }
   237             // Get class name from java filename, not the properties filename.
   238             //   (zh_TW properties might be used to create zh_HK files)
   239             File file = new File(outputPath);
   240             String name = file.getName();
   241             int dotIndex = name.lastIndexOf('.');
   242             String className;
   243             if (dotIndex == -1) {
   244                 className = name;
   245             } else {
   246                 className = name.substring(0, dotIndex);
   247             }
   249             String packageString = "";
   250             if (packageName != null && !packageName.equals("")) {
   251                 packageString = "package " + packageName + ";\n\n";
   252             }
   254             Writer writer = null;
   255             try {
   256                 writer = new BufferedWriter(
   257                         new OutputStreamWriter(new FileOutputStream(outputPath), "8859_1"));
   258                 MessageFormat format = new MessageFormat(FORMAT);
   259                 writer.write(format.format(new Object[] { packageString, className, superClass, data }));
   260             } catch ( IOException e ) {
   261                 ok = false;
   262                 log.error("IO error writing to file " + outputPath, e);
   263             }
   264             if ( writer != null ) {
   265                 try {
   266                     writer.flush();
   267                 } catch ( IOException e ) {
   268                     ok = false;
   269                     log.error("IO error flush " + outputPath, e);
   270                 }
   271                 try {
   272                     writer.close();
   273                 } catch ( IOException e ) {
   274                     ok = false;
   275                     log.error("IO error close " + outputPath, e);
   276                 }
   277             }
   278             log.verbose("wrote: " + outputPath);
   279         }
   280         return ok;
   281     }
   283     private static void usage(Log log) {
   284         log.info("usage:");
   285         log.info("    java CompileProperties path_to_properties_file path_to_java_output_file [super_class]");
   286         log.info("      -OR-");
   287         log.info("    java CompileProperties {-compile path_to_properties_file path_to_java_output_file super_class} -or- -optionsfile filename");
   288         log.info("");
   289         log.info("Example:");
   290         log.info("    java CompileProperties -compile test.properties test.java java.util.ListResourceBundle");
   291         log.info("    java CompileProperties -optionsfile option_file");
   292         log.info("option_file contains: -compile test.properties test.java java.util.ListResourceBundle");
   293     }
   295     private static String escape(String theString) {
   296         // This is taken from Properties.saveConvert with changes for Java strings
   297         int len = theString.length();
   298         StringBuffer outBuffer = new StringBuffer(len*2);
   300         for(int x=0; x<len; x++) {
   301             char aChar = theString.charAt(x);
   302             switch(aChar) {
   303                 case '\\':outBuffer.append('\\'); outBuffer.append('\\');
   304                 break;
   305                 case '\t':outBuffer.append('\\'); outBuffer.append('t');
   306                 break;
   307                 case '\n':outBuffer.append('\\'); outBuffer.append('n');
   308                 break;
   309                 case '\r':outBuffer.append('\\'); outBuffer.append('r');
   310                 break;
   311                 case '\f':outBuffer.append('\\'); outBuffer.append('f');
   312                 break;
   313                 default:
   314                     if ((aChar < 0x0020) || (aChar > 0x007e)) {
   315                         outBuffer.append('\\');
   316                         outBuffer.append('u');
   317                         outBuffer.append(toHex((aChar >> 12) & 0xF));
   318                         outBuffer.append(toHex((aChar >>  8) & 0xF));
   319                         outBuffer.append(toHex((aChar >>  4) & 0xF));
   320                         outBuffer.append(toHex( aChar        & 0xF));
   321                     } else {
   322                         if (specialSaveChars.indexOf(aChar) != -1) {
   323                             outBuffer.append('\\');
   324                         }
   325                         outBuffer.append(aChar);
   326                     }
   327             }
   328         }
   329         return outBuffer.toString();
   330     }
   332     private static String inferPackageName(String inputPath, String outputPath) {
   333         // Normalize file names
   334         inputPath  = new File(inputPath).getPath();
   335         outputPath = new File(outputPath).getPath();
   336         // Split into components
   337         String sep;
   338         if (File.separatorChar == '\\') {
   339             sep = "\\\\";
   340         } else {
   341             sep = File.separator;
   342         }
   343         String[] inputs  = inputPath.split(sep);
   344         String[] outputs = outputPath.split(sep);
   345         // Match common names, eliminating first "classes" entry from
   346         // each if present
   347         int inStart  = 0;
   348         int inEnd    = inputs.length - 2;
   349         int outEnd   = outputs.length - 2;
   350         int i = inEnd;
   351         int j = outEnd;
   352         while (i >= 0 && j >= 0) {
   353             if (!inputs[i].equals(outputs[j]) ||
   354                     (inputs[i].equals("gensrc") && inputs[j].equals("gensrc"))) {
   355                 ++i;
   356                 ++j;
   357                 break;
   358             }
   359             --i;
   360             --j;
   361         }
   362         String result;
   363         if (i < 0 || j < 0 || i >= inEnd || j >= outEnd) {
   364             result = "";
   365         } else {
   366             if (inputs[i].equals("classes") && outputs[j].equals("classes")) {
   367                 ++i;
   368             }
   369             inStart = i;
   370             StringBuffer buf = new StringBuffer();
   371             for (i = inStart; i <= inEnd; i++) {
   372                 buf.append(inputs[i]);
   373                 if (i < inEnd) {
   374                     buf.append('.');
   375                 }
   376             }
   377             result = buf.toString();
   378         }
   379         return result;
   380     }
   382     private static final String FORMAT =
   383             "{0}" +
   384             "public final class {1} extends {2} '{'\n" +
   385             "    protected final Object[][] getContents() '{'\n" +
   386             "        return new Object[][] '{'\n" +
   387             "{3}" +
   388             "        };\n" +
   389             "    }\n" +
   390             "}\n";
   392     // This comes from Properties
   393     private static char toHex(int nibble) {
   394         return hexDigit[(nibble & 0xF)];
   395     }
   397     // This comes from Properties
   398     private static final char[] hexDigit = {
   399         '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
   400     };
   402     // Note: different from that in Properties
   403     private static final String specialSaveChars = "\"";
   404 }

mercurial