001    /**
002     * Copyright 2009-2013 The Kuali Foundation
003     *
004     * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.codehaus.mojo.properties;
017    
018    import java.io.File;
019    import java.util.ArrayList;
020    import java.util.HashMap;
021    import java.util.List;
022    import java.util.Map;
023    
024    import org.apache.commons.io.FileUtils;
025    import org.junit.Test;
026    
027    public class DirectoryComparer {
028    
029        @Test
030        public void test() {
031            try {
032                File dir1 = new File("/Users/jeffcaddel/ws/OLE-2987/ole/build/war");
033                // File dir1 = new File("/Users/jeffcaddel/ws/OLE-2987/ole/target/foo");
034                File dir2 = new File("/Users/jeffcaddel/ws/OLE-2987/ole/target/ole-fs-0.8.0-h-SNAPSHOT");
035                DD one = getDD(dir1);
036                DD two = getDD(dir2);
037                execute(one, two);
038            } catch (Throwable t) {
039                t.printStackTrace();
040            }
041    
042        }
043    
044        protected DD getDD(File dir) {
045            List<File> files = new ArrayList<File>(FileUtils.listFiles(dir, null, true));
046            Map<String, File> map = new HashMap<String, File>();
047            for (File file : files) {
048                String key = getRelativePath(dir, file);
049                map.put(key, file);
050            }
051            DD dd = new DD();
052            dd.setDir(dir);
053            dd.setFiles(files);
054            dd.setFileMap(map);
055            return dd;
056        }
057    
058        protected void execute(DD one, DD two) {
059            List<File> u1 = getUnmatchedFiles(one, two);
060            List<File> u2 = getUnmatchedFiles(two, one);
061            System.out.println(u1.size() + " " + u2.size());
062            for (File u : u1) {
063                System.out.println(u);
064            }
065            System.out.println();
066            for (File u : u2) {
067                System.out.println(u);
068            }
069        }
070    
071        protected List<File> getUnmatchedFiles(DD one, DD two) {
072            List<File> unmatched = new ArrayList<File>();
073            Map<String, File> fileMap = two.getFileMap();
074            for (File file : one.getFiles()) {
075                String relativePath = getRelativePath(one.getDir(), file);
076                File match = fileMap.get(relativePath);
077                if (match == null) {
078                    unmatched.add(file);
079                }
080            }
081            return unmatched;
082        }
083    
084        protected String getRelativePath(File dir, File file) {
085            String dirPath = dir.getAbsolutePath();
086            String path = file.getAbsolutePath();
087            return path.replace(dirPath, "");
088        }
089    }