Java实现解压zip和rar包的示例代码

<dependency>
    <groupId>com.github.junrar</groupId>
    <artifactId>junrar</artifactId>
    <version>4.0.0</version>
</dependency>

try{
                File file = new File(filePath);
                if(file.getName().endsWith(".zip")){
                        ZipInputStream zis = new ZipInputStream(new FileInputStream(file), Charset.forName("GBK"));
                        byte[] buffer = new byte[1024];
                        ZipEntry ze;
                        while ((ze = zis.getNextEntry()) != null) {
                            String entryName = ze.getName();
                            File extractedFile = new File(ceShiFilePath + entryName);
                            if (ze.isDirectory()) {
                                extractedFile.mkdirs();
                            } else{
                                FileOutputStream fos = new FileOutputStream(extractedFile);
                                int len;
                                while ((len = zis.read(buffer)) > 0) {
                                    fos.write(buffer, 0, len);
                                }
                                fos.close();
                                fileList.add(extractedFile);
                            }
                        }
                        zis.closeEntry();
                }else if(file.getName().endsWith(".rar")){
                    String cmd = "D:\\tools\\zip\\UnRAR.exe";
                    //cmd命令
                    String unrarCmd = cmd + " x -r -p- -o+ " + file.getAbsolutePath() + " "
                            + ceShiFilePath;
                    Runtime rt = Runtime.getRuntime();
                    //调用程序UnRAR解压程序(Windows)
                    Process pre = rt.exec(unrarCmd);
                    //防止文件乱码
                    InputStreamReader isr = new InputStreamReader(pre.getInputStream(),"GBK");
                    BufferedReader bf = new BufferedReader(isr);
                    String line = null;
                    while ((line = bf.readLine()) != null) {
                        line = line.trim();
                        if ("".equals(line)) {
                            continue;
                        }
                    }
                    bf.close();
                    pre.destroy();
                }else if(file.getName().endsWith(".rar")){
                    Archive archive = new Archive(new FileInputStream(file));
                    List<FileHeader> fileHeaders = archive.getFileHeaders();
                    for (FileHeader fileHeader : fileHeaders) {
                        if (fileHeader.isDirectory()) {
                            File dir = new File(ceShiFilePath + fileHeader.getFileNameString());
                            if (!dir.exists()){
                                dir.mkdirs();
                            }
                        } else {
                            String fileName=  fileHeader.getFileNameW().trim();
                            File subFile = new File(ceShiFilePath + fileName);
                            if (!subFile.exists()) {
                                if (!subFile.getParentFile().exists()) {
                                    subFile.getParentFile().mkdirs();
                                }
                                subFile.createNewFile();
                            }
                            FileOutputStream os = new FileOutputStream(subFile);
                            archive.extractFile(fileHeader, os);
                            os.close();
                            fileList.add(subFile);
                        }
                    }
                    archive.close();
                }
            for(File file111 : fileList){
                System.out.println(file111.getAbsolutePath());
            }
        }catch (Exception ex){
            ex.printStackTrace();
            log.error(ex.getMessage());
        }