001    /*
002     * Copyright (c) 2009 The openGion Project.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *     http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
013     * either express or implied. See the License for the specific language
014     * governing permissions and limitations under the License.
015     */
016    package org.opengion.fukurou.util;
017    
018    import java.io.IOException;
019    import java.io.File;
020    
021    import java.util.List;
022    import java.util.ArrayList;
023    import java.util.Enumeration;
024    import java.util.jar.JarFile;
025    import java.util.jar.JarEntry;
026    import java.net.URL;
027    
028    /**
029     * 縺薙?繧ｯ繝ｩ繧ｹ縺ｯ縲∵欠螳壹?繝?ぅ繝ｬ繧ｯ繝医Μ繝代せ縺九ｉ .class 繝輔ぃ繧､繝ｫ繧呈､懃ｴ｢縺吶ｋ繧ｯ繝ｩ繧ｹ縺ｧ縺吶?
030     * 讀懃ｴ｢繝代せ縺ｯ縲∝ｮ溘ヵ繧｡繧､繝ｫ縺ｨ縲】ip繝輔ぃ繧､繝ｫ縺ｮ蜀?Κ縲）ar 繝輔ぃ繧､繝ｫ縺ｮ蜀?Κ繧ょ性縺ｿ縺ｾ縺吶?
031     * 讀懃ｴ｢邨先棡縺ｯ縲?class 繧貞叙繧企勁縺阪?繝輔ぃ繧､繝ｫ繝代せ繧偵?縺吶∋縺ｦ繝峨ャ繝?.)縺ｫ螟画鋤縺励◆蠖｢蠑上↓縺励∪縺吶?
032     * 縺薙ｌ縺ｯ縲√⊇縺ｨ繧薙←繧ｯ繝ｩ繧ｹ縺ｮ繝輔Ν繝代せ譁?ｭ怜?縺ｫ逶ｸ蠖薙＠縺ｾ縺吶?
033     * 縺薙％縺ｧ蜿門ｾ励＆繧後◆繝輔ぃ繧､繝ｫ蜷阪ｈ繧翫?螳溘け繝ｩ繧ｹ繧ｪ繝悶ず繧ｧ繧ｯ繝医?菴懈?縺悟庄閭ｽ縺ｫ縺ｪ繧翫∪縺吶?
034     *
035     * 縺薙?繧ｯ繝ｩ繧ｹ縺ｮ main 繝｡繧ｽ繝?ラ縺ｯ縲√け繝ｩ繧ｹ繝代せ縺九ｉ謖?ｮ壹?蜷榊燕繧呈戟縺､繧ｯ繝ｩ繧ｹ莉･荳九?繝?ぅ繝ｬ繧ｯ繝医Μ繧医ｊ
036     * 繝輔ぃ繧､繝ｫ繧呈､懃ｴ｢縺励∪縺吶?騾壼ｸｸ縲√％縺ｮ繧ｯ繝ｩ繧ｹ縺ｮ菴ｿ縺?婿縺ｨ縺励※縲∝叙蠕励＠縺溘け繝ｩ繧ｹ繝輔ぃ繧､繝ｫ蜷?譁?ｭ怜?)
037     * 縺九ｉ縲∝ｼ墓焚縺ｪ縺励さ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ繧貞他縺ｳ蜃ｺ縺励※縲∝ｮ溘が繝悶ず繧ｧ繧ｯ繝医ｒ逕滓?縺輔○繧九?縺ｧ縲??蟶ｸ縺ｮ繝輔か繝ｫ繝?
038     * 縺九ｉ讀懃ｴ｢縺吶ｋ繧医ｊ縲√け繝ｩ繧ｹ繝代せ蜀?°繧画､懃ｴ｢縺吶ｋ繝壹?繧ｹ縺悟､壹＞縺溘ａ縲√し繝ｳ繝励Ν繧偵◎縺ｮ繧医≧縺ｫ險ｭ螳?
039     * 縺励※縺?∪縺吶?
040     *
041     * @og.rev 4.0.0.0 (2004/12/31) 譁ｰ隕丈ｽ懈?
042     * @og.group 蛻晄悄蛹?
043     *
044     * @version  4.0
045     * @author   Kazuhiko Hasegawa
046     * @since    JDK5.0,
047     */
048    public final class FindClassFiles {
049            private final List<String> list = new ArrayList<String>();
050            private final int    baseLen;
051    
052            private static final String SUFIX     = ".class" ;
053            private static final int    SUFIX_LEN = SUFIX.length();
054    
055            /**
056             * 讀懃ｴ｢繝代せ繧呈欠螳壹＠縺ｦ讒狗ｯ峨☆繧九?繧ｳ繝ｳ繧ｹ繝医Λ繧ｯ繧ｿ縺ｧ縺吶?
057             * 縺薙％縺ｧ隕九▽縺九▲縺溘ヱ繧ｹ莉･荳九? class繝輔ぃ繧､繝ｫ(諡｡蠑ｵ蟄舌?蟆乗枚蟄励〒縲?class )繧呈､懃ｴ｢縺励∪縺吶?
058             * 縺薙?繝輔ぃ繧､繝ｫ蜷阪? 繝輔ぃ繧､繝ｫ繝代せ繧?繝峨ャ繝?.)縺ｫ鄂ｮ縺肴鋤縺医?.class 繧貞叙繧企勁縺?◆譬ｼ邏阪＠縺ｦ縺翫″縺ｾ縺吶?
059             *
060             * @og.rev 4.0.3.0 (2007/01/07) UNIX繝代せ讀懃ｴ｢譎ゅ?縲√ヵ繧｡繧､繝ｫ繝代せ縺ｮ蜿門ｾ玲婿豕輔?荳榊?蜷亥ｯｾ蠢?
061             * @og.rev 5.0.0.0 (2009/08/03) UNIX繝代せ讀懃ｴ｢譎ゅ?縲√ヵ繧｡繧､繝ｫ繝代せ縺ｮ蜿門ｾ玲婿豕輔?荳榊?蜷亥ｯｾ蠢?
062             *
063             * @param       filepath        蟇ｾ雎｡縺ｨ縺ｪ繧九ヵ繧｡繧､繝ｫ鄒､繧呈､懃ｴ｢縺吶ｋ縲√ヵ繧｡繧､繝ｫ繝代せ
064             * @param       prefix  讀懃ｴ｢蟇ｾ雎｡繝輔ぃ繧､繝ｫ縺ｮ繝励Ξ繝輔ぅ繝?け繧ｹ
065             */
066            public FindClassFiles( final String filepath,final String prefix ) {
067                    // jar:file:/螳溘ョ繧｣繝ｬ繧ｯ繝医Μ!蜈磯?繧ｯ繝ｩ繧ｹ 縺ｾ縺溘?縲’ile:/螳溘ョ繧｣繝ｬ繧ｯ繝医Μ
068    
069    //              String dir = null;
070                    String dir = filepath;          // 5.5.2.6 (2012/05/25) findbugs蟇ｾ蠢?
071                    if( filepath.startsWith( "jar:" ) || filepath.startsWith( "file:" )
072    //                       || ( filepath.charAt(0) == '/' && filepath.charAt(2) == ':' ) ) {
073                             || ( filepath.charAt(0) == '/' ) ) { // 4.4.0.0 (2009/08/02)
074                            int stAdrs = filepath.indexOf( '/' );
075                            if( filepath.charAt(stAdrs+2) == ':' ) { // 4.0.3.0 (2007/01/07)
076                                    stAdrs++;
077                            }
078                            int edAdrs = filepath.lastIndexOf( '!' );
079                            if( edAdrs < 0) {
080                                    edAdrs = filepath.length() - 1;
081                            }
082    
083                            dir = filepath.substring( stAdrs,edAdrs );
084                    }
085    
086                    File basefile = new File( dir );
087                    String baseFilename = basefile.getAbsolutePath() ;
088                    baseLen = baseFilename.length() - prefix.length();
089                    findFilename( basefile );
090            }
091    
092            /**
093             * 繝輔ぃ繧､繝ｫ繝代せ繧?繝峨ャ繝?.)縺ｫ鄂ｮ縺肴鋤縺医?.class 繧貞叙繧企勁縺?◆蠖｢蠑?繧ｯ繝ｩ繧ｹ縺ｮ螳悟?邉ｻ)縺ｮ譁?ｭ怜?驟榊?
094             *
095             * @return      繝輔ぃ繧､繝ｫ繝代せ縺ｮ譁?ｭ怜?驟榊?
096             */
097            public String[] getFilenames() {
098                    return list.toArray( new String[list.size()] );
099            }
100    
101            /**
102             * 繝輔ぃ繧､繝ｫ繧貞?蟶ｰ逧?↓讀懃ｴ｢縺励∪縺吶?
103             * 謖?ｮ壹?繝輔ぃ繧､繝ｫ繧ｪ繝悶ず繧ｧ繧ｯ繝医′ 繝輔ぃ繧､繝ｫ縺ｮ蝣ｴ蜷医?縲?class 縺ｧ縺ゅｌ縺ｰList縺ｫ霑ｽ蜉?＠縲?
104             * .zip 縺?.jar 縺ｧ縺ｯ縲’indJarFiles 繧貞他縺ｳ蜃ｺ縺励∪縺吶?
105             * 繝輔ぃ繧､繝ｫ縺ｧ縺ｪ縺??蜷医?縲??蛻励ｒ蜿悶ｊ蜃ｺ縺励?閾ｪ蛻??霄ｫ繧貞?蟶ｰ逧?↓蜻ｼ縺ｳ蜃ｺ縺励∪縺吶?
106             *
107             * @param       file    繝輔ぃ繧､繝ｫ
108             */
109            private void findFilename( final File file ) {
110                    if( file.isFile() ) {
111                            String name = file.getAbsolutePath();
112                            if( name.endsWith( SUFIX ) ) {
113                                    list.add( name.substring( baseLen,name.length()-SUFIX_LEN ).replace( File.separatorChar,'.' ) );
114                            }
115                            else if( name.endsWith( ".jar" ) || name.endsWith( ".zip" ) ) {
116                                    findJarFiles( name );
117                            }
118                    }
119                    else {
120                            File[] filelist = file.listFiles();
121                            for( int i=0; i<filelist.length; i++ ) {
122                                    findFilename( filelist[i] );
123                            }
124                    }
125            }
126    
127            /**
128             * jar/zip繝輔ぃ繧､繝ｫ繧呈､懃ｴ｢縺励∪縺吶?
129             * 蝨ｧ邵ｮ繝輔ぃ繧､繝ｫ縺ｧ縺ｯ縲?嚴螻､縺ｧ縺ｯ縺ｪ縺上?Enumeration 縺ｨ縺励※繝輔ぃ繧､繝ｫ繧貞叙繧雁?縺励∪縺吶?
130             * 諡｡蠑ｵ蟄舌〒蛻､譁ｭ縺励※縲´ist縺ｫ霑ｽ蜉?＠縺ｦ縺?″縺ｾ縺吶?
131             *
132             * @og.rev 5.5.2.6 (2012/05/25) JarFile 繧偵?Closer#zipClose( ZipFile ) 繝｡繧ｽ繝?ラ繧貞茜逕ｨ縺励※縲…lose 縺励∪縺吶?
133             *
134             * @param       filename        繝輔ぃ繧､繝ｫ蜷?
135             */
136            private void findJarFiles( final String filename ) {
137                    // 5.5.2.6 (2012/05/25) findbugs蟇ｾ蠢?
138                    JarFile jarFile = null;
139                    try {
140    //                      JarFile jarFile = new JarFile( filename );
141                            jarFile = new JarFile( filename );
142                            Enumeration<JarEntry> en = jarFile.entries() ;
143                            while( en.hasMoreElements() ) {
144                                    JarEntry ent = en.nextElement();
145                                    if( ! ent.isDirectory() ) {
146                                            String name = ent.getName();
147                                            if( name.endsWith( SUFIX ) ) {
148                                                    list.add( name.substring( 0,name.length()-SUFIX_LEN ).replace( '/','.' ) );
149                                            }
150                                    }
151                            }
152                    }
153                    catch( IOException ex ) {
154                            String errMsg = "繝輔ぃ繧､繝ｫ隱ｭ縺ｿ蜿悶ｊ繧ｹ繝医Μ繝ｼ繝?↓螟ｱ謨励＠縺ｾ縺励◆縲?
155                                            + " File=" + filename
156                                            + ex.getMessage();                              // 5.1.8.0 (2010/07/01) errMsg 菫ｮ豁｣
157                            throw new RuntimeException( errMsg,ex );
158                    }
159                    // 5.5.2.6 (2012/05/25) findbugs蟇ｾ蠢?
160                    finally {
161                            Closer.zipClose( jarFile );
162                    }
163            }
164    
165            /**
166             * 繧ｵ繝ｳ繝励Ν繝｡繧､繝ｳ
167             * 縺薙％縺ｧ縺ｯ縲∝ｼ墓焚縺ｫ騾壼ｸｸ縺ｮ繝輔ぃ繧､繝ｫ縺ｧ縺ｯ縺ｪ縺上?繧ｯ繝ｩ繧ｹ繝代せ繧医ｊ蜿門ｾ励＠縺ｾ縺吶?
168             * 騾壼ｸｸ縲∝叙蠕励＆繧後◆繝輔ぃ繧､繝ｫ蜷阪?縲√け繝ｩ繧ｹ縺ｮ螳悟?邉ｻ縺ｮ譁?ｭ怜?縺ｪ縺ｮ縺ｧ縲√け繝ｩ繧ｹ繝代せ繧医ｊ蜿門ｾ?
169             * 縺励※縺?ｋ髯舌ｊ縲√◎縺ｮ縺ｾ縺ｾ 繧ｪ繝悶ず繧ｧ繧ｯ繝医ｒ讒狗ｯ峨〒縺阪ｋ縺薙→繧呈э蜻ｳ縺励∪縺吶?
170             *
171             * @param       args    蠑墓焚
172             */
173            public static void main( final String[] args ) {
174                    try {
175                            ClassLoader loader = Thread.currentThread().getContextClassLoader();
176                            Enumeration<URL> enume = loader.getResources( args[0] );  // 4.3.3.6 (2008/11/15) Generics隴ｦ蜻雁ｯｾ蠢?
177                            while( enume.hasMoreElements() ) {
178                                    URL url = enume.nextElement();          // 4.3.3.6 (2008/11/15) Generics隴ｦ蜻雁ｯｾ蠢?
179                                    // jar:file:/螳溘ョ繧｣繝ｬ繧ｯ繝医Μ!蜈磯?繧ｯ繝ｩ繧ｹ 縺ｾ縺溘?縲’ile:/螳溘ョ繧｣繝ｬ繧ｯ繝医Μ
180                                    System.out.println( "url=" + url.getFile() );
181    
182                                    FindClassFiles filenames = new FindClassFiles( url.getFile(),args[0] );
183                                    String[] names = filenames.getFilenames();
184                                    for( int i=0; i<names.length; i++ ) {
185                                            System.out.println( names[i] );
186                                    }
187                            }
188                    }
189                    catch( IOException ex ) {
190                            String errMsg = "繝輔ぃ繧､繝ｫ隱ｭ縺ｿ蜿悶ｊ繧ｹ繝医Μ繝ｼ繝?↓螟ｱ謨励＠縺ｾ縺励◆縲?
191                                            + ex.getMessage();
192                            throw new RuntimeException( errMsg,ex );
193                    }
194            }
195    }