commons compress 创建 tar.gz
使用 jakarta.commons.compress-1.0.jar
?
public class Compress {
??? public static void main(String[] args) throws IOException {
??????? String tarGzPath = "/home/ben/language/java/compress.tar.gz";
??????? String directoryPath = "/home/ben/language/java/Compress.java";
??????? Compress.createTarGzOfDirectory(directoryPath, tarGzPath);
??? }
??? /**
???? * Creates a tar.gz file at the specified path with the contents of the specified directory.
???? *
???? * @param dirPath The path to the directory to create an archive of
???? * @param archivePath The path to the archive to create
???? * @throws IOException If anything goes wrong
???? */
??? public static void createTarGzOfDirectory(String directoryPath, String tarGzPath) throws IOException {
??????? FileOutputStream fOut = null;
??????? BufferedOutputStream bOut = null;
??????? GzipCompressorOutputStream gzOut = null;
??????? TarArchiveOutputStream tOut = null;
??????? try {
??????????? fOut = new FileOutputStream(new File(tarGzPath));
??????????? bOut = new BufferedOutputStream(fOut);
??????????? gzOut = new GzipCompressorOutputStream(bOut);
??????????? tOut = new TarArchiveOutputStream(gzOut);
??????????? addFileToTarGz(tOut, directoryPath, "");
??????? } finally {
??????????? tOut.finish();
??????????? tOut.close();
??????????? gzOut.close();
??????????? bOut.close();
??????????? fOut.close();
??????? }
??? }
??? /**
???? * Creates a tar entry for the path specified with a name built from the base passed in and the file/directory name.
???? * If the path is a directory, a recursive call is made such that the full directory is added to the tar.
???? *
???? * @param tOut The tar file's output stream
???? * @param path The filesystem path of the file/directory being added
???? * @param base The base prefix to for the name of the tar file entry
???? * @throws IOException If anything goes wrong
???? */
??? private static void addFileToTarGz(TarArchiveOutputStream tOut, String path, String base) throws IOException {
??????? File f = new File(path);
??????? String entryName = base + f.getName();
??????? TarArchiveEntry tarEntry = new TarArchiveEntry(f, entryName);
??????? tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
??????? tOut.putArchiveEntry(tarEntry);
??????? if (f.isFile()) {
??????????? IOUtils.copy(new FileInputStream(f), tOut);
??????????? tOut.closeArchiveEntry();
??????? } else {
??????????? tOut.closeArchiveEntry();
??????????? File[] children = f.listFiles();
??????????? if (children != null) {
??????????????? for (File child : children) {
??????????????????? addFileToTarGz(tOut, child.getAbsolutePath(), entryName + "/");
??????????????? }
??????????? }
??????? }
??? }
}
解压看这边博文：http://blog.pigflying.info/2011/06/commons-compresstargz.html
原文出处：http://www.thoughtspark.org/node/53
