|
| 1 | +/******************************************************************************* |
| 2 | + * Copyright (c) 2010 java2script.org and others. |
| 3 | + * All rights reserved. This program and the accompanying materials |
| 4 | + * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | + * which accompanies this distribution, and is available at |
| 6 | + * http://www.eclipse.org/legal/epl-v10.html |
| 7 | + * |
| 8 | + * Contributors: |
| 9 | + * Zhou Renjian - initial API and implementation |
| 10 | + *******************************************************************************/ |
| 11 | + |
| 12 | +packagenet.sf.j2s.lib.build; |
| 13 | + |
| 14 | +importjava.io.ByteArrayOutputStream; |
| 15 | +importjava.io.File; |
| 16 | +importjava.io.FileInputStream; |
| 17 | +importjava.io.IOException; |
| 18 | +importjava.util.ArrayList; |
| 19 | +importjava.util.List; |
| 20 | + |
| 21 | +/** |
| 22 | + * @author zhou renjian |
| 23 | + * |
| 24 | + * 2010-4-18 |
| 25 | + */ |
| 26 | +publicclassJ2SVersionDelta { |
| 27 | + |
| 28 | +privatestaticStringreadFileContent(Filefile) { |
| 29 | +FileInputStreamres =null; |
| 30 | +ByteArrayOutputStreambaos =newByteArrayOutputStream(); |
| 31 | +byte[]buf =newbyte[1024]; |
| 32 | +intread =0; |
| 33 | +try { |
| 34 | +res =newFileInputStream(file); |
| 35 | +while ((read =res.read(buf)) != -1) { |
| 36 | +baos.write(buf,0,read); |
| 37 | +} |
| 38 | +}catch (IOExceptione) { |
| 39 | +e.printStackTrace(); |
| 40 | +}finally { |
| 41 | +if (res !=null) { |
| 42 | +try { |
| 43 | +res.close(); |
| 44 | +}catch (IOExceptione) { |
| 45 | +e.printStackTrace(); |
| 46 | +} |
| 47 | +} |
| 48 | +} |
| 49 | +returnbaos.toString(); |
| 50 | +} |
| 51 | + |
| 52 | +privatestaticvoidtraverseFolder(Filefile,StringbaseFolder,StringoldVersion,Listdeltas) { |
| 53 | +File[]files =file.listFiles(); |
| 54 | +if (files !=null &&files.length >0) { |
| 55 | +for (inti =0;i <files.length;i++) { |
| 56 | +Filef =files[i]; |
| 57 | +if (f.isDirectory()) { |
| 58 | +traverseFolder(f,baseFolder,oldVersion,deltas); |
| 59 | +}else { |
| 60 | +StringabsPath =f.getAbsolutePath(); |
| 61 | +StringrelativePath =absPath.substring(baseFolder.length() +1); |
| 62 | +intidx =relativePath.indexOf(File.separator); |
| 63 | +relativePath =relativePath.substring(idx +1); |
| 64 | +StringoldPath =baseFolder +File.separator +oldVersion +File.separator +relativePath; |
| 65 | +FileoldFile =newFile(oldPath); |
| 66 | + |
| 67 | +if (!oldFile.exists() ||oldFile.length() !=f.length()) { |
| 68 | +deltas.add(relativePath); |
| 69 | +}else { |
| 70 | +Stringcontent =readFileContent(f); |
| 71 | +StringoldContent =readFileContent(oldFile); |
| 72 | +if (!content.equals(oldContent)) { |
| 73 | +deltas.add(relativePath); |
| 74 | +} |
| 75 | +} |
| 76 | +} |
| 77 | +} |
| 78 | +} |
| 79 | +} |
| 80 | + |
| 81 | +publicstaticvoidmain(String[]args) { |
| 82 | +if (args ==null ||args.length !=3) { |
| 83 | +System.out.println("Usage:\r\nJ2SVersionDelta <base folder> <original version alias> <updated version alias>"); |
| 84 | +return; |
| 85 | +} |
| 86 | + |
| 87 | +StringoldVersion =args[1]; |
| 88 | +StringnewVersion =args[2]; |
| 89 | +FileoriginalFolder =newFile(args[0],oldVersion); |
| 90 | +FileupdatedFolder =newFile(args[0],newVersion); |
| 91 | +if (!originalFolder.exists()) { |
| 92 | +System.out.println("Folder " +oldVersion +" does not exist!"); |
| 93 | +return; |
| 94 | +} |
| 95 | +if (!updatedFolder.exists()) { |
| 96 | +System.out.println("Folder " +newVersion +" does not exist!"); |
| 97 | +return; |
| 98 | +} |
| 99 | +StringbasePath =newFile(args[0]).getAbsolutePath(); |
| 100 | +ArrayListdeltas =newArrayList(); |
| 101 | +traverseFolder(updatedFolder,basePath,oldVersion,deltas); |
| 102 | +intsize =deltas.size(); |
| 103 | +if (size >0) { |
| 104 | +System.out.println("window[\"j2s.update.delta\"] = ["); |
| 105 | +for (inti =0;i <size;i++) { |
| 106 | +Stringpath = (String)deltas.get(i); |
| 107 | +if (i >0) { |
| 108 | +System.out.print("\t\"$\",\"$\", "); |
| 109 | +}else { |
| 110 | +System.out.print("\t\"" +oldVersion +"\", "); |
| 111 | +System.out.print("\"" +newVersion +"\", "); |
| 112 | +} |
| 113 | +System.out.print("\"" +path.replace('\\','/') +"\""); |
| 114 | +if (i ==size -1) { |
| 115 | +System.out.println(); |
| 116 | +}else { |
| 117 | +System.out.println(","); |
| 118 | +} |
| 119 | +} |
| 120 | +System.out.println("];"); |
| 121 | +}else { |
| 122 | +System.out.println("There is no updates!"); |
| 123 | +} |
| 124 | +} |
| 125 | + |
| 126 | +} |
