清除eclipse項目中沒用的圖片、js、css代碼

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import java.io.BufferedReader;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.nio.file.Files;import java.nio.file.Paths;import java.util.ArrayList;import java.util.List;public class ClearFile  {      static String folder = "E:\\NewServer\\Wechat\\JOINT_CARE\\Source";    List<FilePojo> filelist = new ArrayList<FilePojo>();    List<FilePojo> contentlist = new ArrayList<FilePojo>();    public static void main(String[] args) throws IOException       {              ClearFile clear = new ClearFile();        clear.clear(folder);            }        public void clear(String folder) throws IOException{        getAllFilePaths(new File(folder));        getContentFiles(new File(folder));                        for(FilePojo file : contentlist){            search(file.getPath());        }                System.out.println("******************************************刪除了以下檔案************************************");         for(FilePojo file : filelist){            if(!file.isFind()) {                                System.out.println(file.getPath());                new File(file.getPath()).delete();            }        }    }         private void getAllFilePaths(File filePath){        File[] files = filePath.listFiles();                   for(File file : files){            if(file.isDirectory()){                getAllFilePaths(file);            }else{                String filename = file.getName();                                if(filename.contains(".jpg")                         || filename.contains(".png")                        || filename.contains(".gif")                        || filename.contains(".js")                        || filename.contains(".css")) {                    FilePojo pojo = new FilePojo();                    pojo.setName(file.getName());                    pojo.setPath(file.getPath());                                    filelist.add(pojo);                }            }        }    }        private void getContentFiles(File filePath){        File[] files = filePath.listFiles();                   for(File file : files){            if(file.isDirectory()){                getContentFiles(file);            }else{                String filename = file.getName();                                if(filename.contains(".html")                         || filename.contains(".ftl")                         || filename.contains(".css")                        || filename.contains(".js")                        || filename.contains(".java")) {                    FilePojo pojo = new FilePojo();                    pojo.setName(file.getName());                    pojo.setPath(file.getPath());                                    contentlist.add(pojo);                }            }        }    }        public void search(String filename) throws IOException       {                  BufferedReader br = new BufferedReader(new FileReader(filename));         for(String line; (line = br.readLine()) != null; ) {                            for(FilePojo file : filelist){                if (line.contains(file.getName())){                    file.setFind(true);                }            }        }                br.close();    }         private class FilePojo{        private String name;        private String path;        private boolean find;        public String getName() {            return name;        }        public void setName(String name) {            this.name = name;        }        public String getPath() {            return path;        }        public void setPath(String path) {            this.path = path;        }        public boolean isFind() {            return find;        }        public void setFind(boolean find) {            this.find = find;        }    }}

 有個小問題：如果檔案名稱為01.jpg, 代碼中引用了xx01.jpg，則01.jpg會被認為是需要的檔案。

清除eclipse項目中沒用的圖片、js、css代碼