用Java解析zip文件

/**
 * 解析zip文件
 * @param parseFile
 */
private boolean parseZipFile(File parseFile) {
    //指定解压目录
    String dirParsePath = "D:\\ftp\\tempFtpFile\\zip";
    boolean flag = false;
    File pathFile = new File(dirParsePath);
    if(!pathFile.exists()){
        pathFile.mkdirs();
    }
    ZipFile zip = null;
    try {
        //指定编码，否则压缩包里面不能有中文目录
        zip = new ZipFile(parseFile, Charset.forName("gbk"));
        for(Enumeration entries = zip.entries(); entries.hasMoreElements();){
            ZipEntry entry = (ZipEntry)entries.nextElement();
            String zipEntryName = entry.getName();
            String filterName = zipEntryName.split("\\.")[1].toLowerCase();
            if(filterName.contains("o")||filterName.contains("m")||filterName.contains("n")) {
                fileName +=zipEntryName+",";
                InputStream in = zip.getInputStream(entry);
                String outPath = (dirParsePath+zipEntryName).replace("/", File.separator);
                //判断路径是否存在,不存在则创建文件路径
                File file = new File(outPath.substring(0, outPath.lastIndexOf(File.separator)));
                if(!file.exists()){
                    file.mkdirs();
                }
                //判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
                if(new File(outPath).isDirectory()){
                    continue;
                }
                //保存文件路径信息
                //   urlList.add(outPath);
                OutputStream out = new FileOutputStream(outPath);
                byte[] buf1 = new byte[2048];
                int len;
                while((len=in.read(buf1))>0){
                    out.write(buf1,0,len);
                }
                in.close();
                out.close();
            }
        }
        //必须关闭，否则无法删除该zip文件
        zip.close();
        flag = true;
    } catch (Exception e) {
        logger.info("文件解析出错：文件名------->"+parseFile.getName());
        e.printStackTrace();
    }
    return flag;
}