java實現多個檔案打包tar gz

package test;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.zip.GZIPOutputStream;import org.apache.commons.compress.archivers.tar.TarArchiveEntry;import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;import org.apache.commons.compress.utils.IOUtils;public class DaBao_tar_gz {/** *  * @Title: pack * @Description: 將一組檔案打成tar包 * @param sources *            要打包的原檔案數組 * @param target *            打包後的檔案 * @return File 返回打包後的檔案 * @throws */public File pack(File[] sources, File target) {FileOutputStream out = null;try {out = new FileOutputStream(target);} catch (FileNotFoundException e1) {e1.printStackTrace();}TarArchiveOutputStream os = new TarArchiveOutputStream(out);for (File file : sources) {try {os.putArchiveEntry(new TarArchiveEntry(file));IOUtils.copy(new FileInputStream(file), os);os.closeArchiveEntry();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}if (os != null) {try {os.flush();os.close();System.out.println("打包後檔案為：" + target);} catch (IOException e) {e.printStackTrace();}}return target;}/** *  * @Title: compress * @Description: 將檔案用gzip壓縮 * @param source *            需要壓縮的檔案 * @return File 返回壓縮後的檔案 * @throws */public File compress(File source) {File target = new File(source.getName() + ".gz");FileInputStream in = null;GZIPOutputStream out = null;try {in = new FileInputStream(source);out = new GZIPOutputStream(new FileOutputStream(target));byte[] array = new byte[1024];int number = -1;while ((number = in.read(array, 0, array.length)) != -1) {out.write(array, 0, number);}} catch (FileNotFoundException e) {e.printStackTrace();return null;} catch (IOException e) {e.printStackTrace();return null;} finally {if (in != null) {try {in.close();} catch (IOException e) {e.printStackTrace();return null;}}if (out != null) {try {out.close();System.out.println("打包後檔案為：" + target);} catch (IOException e) {e.printStackTrace();return null;}}}return target;}}