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Diffstat (limited to 'src/com/nis/nmsclient/util/CompressFileMgr.java')
| -rw-r--r-- | src/com/nis/nmsclient/util/CompressFileMgr.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/com/nis/nmsclient/util/CompressFileMgr.java b/src/com/nis/nmsclient/util/CompressFileMgr.java new file mode 100644 index 0000000..3be2549 --- /dev/null +++ b/src/com/nis/nmsclient/util/CompressFileMgr.java @@ -0,0 +1,135 @@ +package com.nis.nmsclient.util; + +import java.io.File; + +import org.apache.log4j.Logger; + +import com.nis.nmsclient.util.GzipUtil; +import com.nis.nmsclient.util.RarUtil; +import com.nis.nmsclient.util.ZipUtil; + +/** + * 文件解压缩的统一处理 + * @date Mar 20, 2012 + * @version + */ +public class CompressFileMgr { + static Logger logger = Logger.getLogger(CompressFileMgr.class); + + /** + * 文件压缩 + * @param sourcePath 源文件或目录 + * @param destFile 压缩后的文件 + * @param excludes 源目录中不要压缩的文件列表 + * @param isAbs 相对路径还是绝对路径压缩 + * @return + * @throws Exception + */ + public boolean compressFile(String sourcePath, String destFile, + String[] excludes, boolean isAbs) throws Exception { + boolean returnFlag = true; + File folder = new File(sourcePath); + if (!folder.exists()) { + return false; + } + if (destFile.length() == (destFile.lastIndexOf(".zip") + 4)) {// 判断是否zip包 + ZipUtil.zip(sourcePath, destFile, excludes); + } else if (destFile.length() == (destFile.lastIndexOf(".gz") + 3)) {// 判断是否gzip包 + GzipUtil.gzipByCmd(sourcePath, destFile, excludes, isAbs); + } else if (destFile.length() == (destFile.lastIndexOf(".tar") + 4)) {// 判断是否tar包 + GzipUtil.tarByCmd(sourcePath, destFile, excludes, isAbs); + } else { + throw new Exception("unable to compress this compressed file"); + } + + return returnFlag; + } + + /** + * 文件解压，如果sourcePath是一个目录，则解压它下面的所有压缩文件 + * @param sourcePath 需要解压的文件或需要解压文件的目录 + * @param destPath 解压到的目标路径 + * @param isAbs 相对路径还是绝对路径解压 + * @return + * @throws Exception + */ + public boolean decompressFile(String sourcePath, String destPath, boolean isAbs) + throws Exception { + logger.debug("decompressFile start……"); + boolean returnFlag = true; + logger.debug("decompressFile sourcePath-----" + sourcePath); + logger.debug("decompressFile destPath-----" + destPath); + File folder = new File(sourcePath); + if (!folder.exists()) { + return false; + } + if (folder.isDirectory()) { + String files[] = folder.list(); + String fileAbs = null; + for (int i = 0; i < files.length; i++) { + fileAbs = sourcePath + File.separator + files[i]; + decompressFile(fileAbs, destPath, isAbs); + } + } else { + decompress(sourcePath, destPath, isAbs); + } + + logger.debug("decompressFile end!"); + return returnFlag; + } + + /** + * 解压文件，只针对单个压缩文件 + * @param sourceFile 需要解压的文件 + * @param destPath 解压到的目标路径 + * @param isAbs 相对路径还是绝对路径解压 + * @throws Exception + */ + private void decompress(String sourceFile, String destPath, boolean isAbs) + throws Exception { + logger.debug("decompress start……"); + logger.debug("decompress sourceFile---" + sourceFile); + logger.debug("decompress 1-----"+(sourceFile.length() == (sourceFile.lastIndexOf(".zip") + 4))); + logger.debug("decompress 2-----"+(sourceFile.length() == (sourceFile.lastIndexOf(".rar") + 4))); + logger.debug("decompress 3-----"+(sourceFile.length() == (sourceFile.lastIndexOf(".gz") + 3))); + if (sourceFile.length() == (sourceFile.lastIndexOf(".zip") + 4)) {// 判断是否zip包 + ZipUtil.unZip(sourceFile, destPath); + } else if (sourceFile.length() == (sourceFile.lastIndexOf(".rar") + 4)) {// 判断是否rar包 + RarUtil.unRar(sourceFile, destPath); + } else if (sourceFile.length() == (sourceFile.lastIndexOf(".gz") + 3)) {// 判断是否gzip包 + GzipUtil.unGzipByCmd(sourceFile, destPath, isAbs); + } else if (sourceFile.length() == (sourceFile.lastIndexOf(".tar") + 4)) {// 判断是否tar包 + GzipUtil.unTarByCmd(sourceFile, destPath, isAbs); + } else { + throw new Exception("unable to decompress this decompressed file"); + } + logger.debug("decompress end!"); + } + + public static String getCompressSuffixByOs(boolean isAbs){ + String suffix = ".zip"; + //根据操作系统确定获取进程ID的方式 + String os = System.getProperty("os.name"); + if (os.startsWith("Windows")) { + suffix = ".zip"; + }else if (os.startsWith("Linux")){ + suffix = (isAbs ? "_absolute" : "_relative") + ".tar.gz"; + } + return suffix; + } + + public static boolean isCompressFile(File file){ + boolean flag = false; + if(file.isFile()){ + String fileName = file.getName(); + if (".rar".equalsIgnoreCase(fileName.substring(fileName.length() - 4)) + || ".zip".equalsIgnoreCase(fileName.substring(fileName.length() - 4)) + || ".tar".equalsIgnoreCase(fileName.substring(fileName.length() - 4)) + || ".gz".equalsIgnoreCase(fileName.substring(fileName.length() - 3))) { + flag = true; + } + } + return flag; + + } +} |