ZIP打包工具类

/**
     * 开始打包指定文件成指定格式
     * @param sourcePath被zip原文件路径（如：f:）
     * @param sourceFileName 被zip原文件名(如：a.txt)
     * @param zipPath zipPath后生成的文件(如：d:)
     * @param zipName zip生成文件名称（如:bb.zip）
     * @throws Exception
     */
    public static void startZipFile(String sourcePath,String sourceFileName, String zipPath,String zipName){
        logger.info("startZipFile sourcePath:"+sourcePath+";sourceFileName:"+sourceFileName+";zipPath:"+zipPath+";zipName:"+zipName);
        FileOutputStream fos = null;
        ZipOutputStream zos = null;
        try {
            //存储原文件路径包括文静名称如：F:\\a.txt
            String sourceFile="";
            //存储打包ZIP文件路径
            String zipFile="";
            //编码后的原文件路径
            String sourceNowFileName="";
            //编码后
            String zipNowFileName="";
            if(sourcePath!=null && !"".equals(sourceFileName)){//源文件路径不为空
                if(sourceFileName!=null && !"".equals(sourceFileName)){//源文件名称不为空
                    if(zipPath!=null && !"".equals(zipPath)){//ZIP生成文件路径不为空
                        if(zipName!=null && !"".equals(zipName)){//zip生成文件名称不为空
                            
                            sourceNowFileName=new String(sourceFileName.getBytes(),"UTF-8");
                            /**
                             *把文件名称转换为UTF-8格式
                             */
                            zipNowFileName=new String(zipName.getBytes(),"UTF-8");
                            /**
                             * 拼接原文件整体路径和zip文件路径
                             */
                            sourceFile=sourcePath+File.separator+sourceNowFileName;
                            zipFile=zipPath+File.separator+zipNowFileName;
                            logger.info("sourceFile:"+sourceFile+"\nzipFile:"+zipFile);
                            fos = new FileOutputStream(zipFile);
                            zos = new ZipOutputStream(fos);

                           //以下两行从项目中取配置的编码中
                            LinkedHashMap<String, LinkedHashMap<String, String>> codeMap = SystemDataUtil
                            .getApplicationCodeMap();
                            LinkedHashMap<String, String> zipCharset=codeMap.get("SYSTEM_ZIP_CHARSET");
                            //定义变量zipEncoding用来存储压缩编码格式
                            String zipEncoding="GBK";
                            if(zipCharset!=null){
                                 zipEncoding=zipCharset.get("1");
                            }
                            zos.setEncoding(zipEncoding);
                            
                            /**
                             * 开始ZIP文件
                             */
                            zip(new File(sourceFile), "", zos);
                        }
                    }
                }
            }
        } catch (FileNotFoundException e) {
            logger.error("startZipFile ZIP文件失败",e);
        } catch (UnsupportedEncodingException ef) {
            // TODO Auto-generated catch block
            logger.error("startZipFile ",ef);
        } finally {
            try {
                if (zos != null) {
                    zos.close();
                }
            } catch (IOException e) {
                logger.error("startZipFile 创建ZIP文件失败",e);
            }

        }
        logger.info("endZipFile sourcePath:"+sourcePath+";sourceFileName:"+sourceFileName+";zipPath:"+zipPath+";zipName:"+zipName);
    }
    
    /**
     * zip文件
     * @param file 打包文件 (源文件)
     * @param parentPath(根目录)
     * @param zos zipOutPutStream
     */
    private static void zip(File file, String parentPath, ZipOutputStream zos) {
        if(file.exists()){
            if(file.isDirectory()){//处理文件夹
                parentPath+=file.getName()+File.separator;
                File [] files=file.listFiles();
                for(File f:files){
                    zip(f, parentPath, zos);
                }
            }else{
                FileInputStream fis=null;
                DataInputStream dis=null;
                try {
                    fis=new FileInputStream(file);
                    dis=new DataInputStream(new BufferedInputStream(fis));
                    logger.info("zipName:"+file.getName());
                    ZipEntry ze = new ZipEntry(parentPath + file.getName());
                    zos.putNextEntry(ze);
                    byte [] content=new byte[1024];
                    int len;
                    while((len=fis.read(content))!=-1){
                        zos.write(content,0,len);
                        zos.flush();
                    }
                   
               
                } catch (FileNotFoundException e) {
                    logger.error("zip创建ZIP文件失败",e);
                } catch (IOException e) {
                    logger.error("zip创建ZIP文件失败",e);
                }finally{
                    try {
                        if(dis!=null){
                            dis.close();
                        }
                    }catch(IOException e){
                        logger.error("zip创建ZIP文件失败",e);
                    }
                }
            }
        }
    }