使用7z完成文件压缩与解压缩

/** 
 * 

 * 使用7z进行压缩解压的工具类
 * 
 * 
Copyright: All Rights Reserved (c) 2015-2016
 * 
Company:Travelsky
 * @ClassName: Zip7ZUtil 
 * @date 2015-5-14 下午2:06:25 
 *  
 */
public class Zip7zUtil {
    private static String exePath=SysPropUtil.getValue("7z.path");
    private static Logger logger = LogManager.getLogger(Zip7zUtil.class);
    public static void zip(String srcRootPath,String zipFile) {
        String cmd = "7z a -tzip " + zipFile +  " " + srcRootPath;
        try {
            Runtime.getRuntime().exec(cmd);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    /**
     * 同步解压
     * @param zipFilePath
     * @param unZipPath
     */
    /*public static boolean syncUnzip(String zipFilePath,String unZipPath) {
        logger.info("unzip "+zipFilePath+" to "+unZipPath);
        boolean result;
        String cmd = exePath+"\\7z x -o" + unZipPath + " -y " + zipFilePath;
        logger.info("do syncUnzip exec : "+cmd);
        try {
            Process p = Runtime.getRuntime().exec(cmd);
            BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
            String line = null;
            while (true) {
                try {
                    line = br.readLine();
                    if (line == null) {
                        result = true;
                        break;
                    }else{
                        System.out.println(line);
                    }
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                    logger.error(" syncUnzip exception : "+e);
                    result = false;
                }

            }

        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            logger.error(" syncUnzip exception : "+e);
            result = false;
        }
        return result;
    }*/

    public static boolean syncUnzip(String zipFilePath,String unZipPath) {
        logger.info("unzip "+zipFilePath+" to "+unZipPath);
        boolean result;
        String cmd = exePath+"\\7z x -o" + unZipPath + " -y " + zipFilePath;
        logger.info("do syncUnzip exec : "+cmd);
        try {
            File zipFile=new File(zipFilePath);
            long zipSize=zipFile.length();
            long unzipSize=0;
            Process p = Runtime.getRuntime().exec(cmd);
            BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
            String line = null;
            while (true) {
                try {
                    line = br.readLine();
                    logger.info("7z info : " + line);
                    if (line != null) {

                        String[] arr=line.split("=");
                        if (arr.length==2) {
                            if (arr[0].trim().equals("Physical Size")) {
                                zipSize=Long.parseLong(arr[1].trim());
                            }
                        }
                        String[] arr2=line.split(":");
                        if (arr2[0].trim().equals("Compressed")) {
                            unzipSize=Long.parseLong(arr2[1].trim());
                        }
                    }else{
                        logger.info("unzipSize = "+unzipSize+" , zipSize = "+zipSize);
                        if (unzipSize==zipSize) {
                            result = true;
                        }else{
                            result = false;
                            logger.error(" syncUnzip "+zipFilePath+" to "+unZipPath+" failed ! ");
                        }
                        break;
                    }
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                    logger.error(" syncUnzip exception : "+e);
                    result = false;
                }

            }

        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            logger.error(" syncUnzip exception : "+e);
            result = false;
        }
        return result;
    }
    /**
     * 异步解压，会通过listener回调结果
     * @param zipFilePath
     * @param unZipPath
     * @param listener
     */
    public static void asyncUnzip(String zipFilePath,String unZipPath,final ICallbackListener listener) {
        if (zipFilePath == null || zipFilePath.equals("") || unZipPath == null || unZipPath.equals("")) {
            listener.callback("fail");
            return;
        }
        String cmd = exePath+"\\7z x -o" + unZipPath + " -y -tzip " + zipFilePath;
        try {
            final Process p = Runtime.getRuntime().exec(cmd);
            if (listener != null) {
                new Thread() {
                    public void run() {
                        BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
                        String line = null;
                        while (true) {
                            try {
                                line = br.readLine().trim();
                                if (line == null) {
                                    listener.callback("OK");
                                    break;
                                }
                            } catch (IOException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                                listener.callback("fail");
                            }

                        }
                    }
                };
            }


        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            listener.callback("fail");
        }
    }
}