解压tgz文件

[代码] [Java]代码 import java.io.BufferedInputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  
  
import org.apache http://www.kp1111.info/linked/20130301.do; .commons.compress.archivers.tar.TarArchiveEntry;  
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;  
import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;  
  
public class Test {  
    int buffersize = 2048;  
  
    public static void main(String[] args) {  
        String file = "H:\\test.tgz";  
  
        Test o = new Test();  
  
        File f = o.deCompressTGZFile(file);  
  
        o.deCompressTARFile(f);  
    }  
  
    public File deCompressTGZFile(String file) {  
        return deCompressGZFile(new File(file));  
    }  
  
    private File deCompressGZFile(File file) {  
        FileOutputStream out = null;  
        GzipCompressorInputStream gzIn = null;  
        try {  
            FileInputStream fin = new FileInputStream(file);  
            BufferedInputStream in = new BufferedInputStream(fin);  
            File outFile = new File(file.getParent()   File.separator  
                      "tmp.tar");  
            out = new FileOutputStream(outFile);  
            gzIn = new GzipCompressorInputStream(in);  
            final byte[] buffer = new byte[buffersize];  
            int n = 0;  
            while (-1 != (n = gzIn.read(buffer))) {  
                out.write(buffer, 0, n);  
            }  
            return outFile;  
        } catch (Exception e) {  
            e.printStackTrace();  
            return null;  
        } finally {  
            try {  
                out.close();  
                gzIn.close();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
    }  
  
    private void deCompressTARFile(File file) {  
        String basePath = file.getParent()   File.separator;  
        TarArchiveInputStream is = null;  
        try {  
            is = new TarArchiveInputStream(new FileInputStream(file));  
            while (true) {  
                TarArchiveEntry entry = is.getNextTarEntry();  
                if (entry == null) {  
                    break;  
                }  
                if (entry.isDirectory()) {// 这里形似不会运转到，跟ZipEntry有点不一样  
                    new File(basePath   entry.getName()).mkdirs();  
                } else {  
                    FileOutputStream os = null;  
                    try {  
                        File f = new File(basePath   entry.getName());  
                        if (!f.getParentFile().exists()) {  
                            f.getParentFile().mkdirs();  
                        }  
                        if (!f.exists()) {  
                            f.createNewFile();  
                        }  
                        os = new FileOutputStream(f);  
                        byte[] bs = new byte[buffersize];  
                        int len = -1;  
                        while ((len = is.read(bs)) != -1) {  
                            os.write(bs, 0, len);  
                        }  
                        os.flush();  
                    } catch (Exception e) {  
                        e.printStackTrace();  
                    } finally {  
                        os.close();  
                    }  
                }  
            }  
        } catch (Exception e) {  
            e.printStackTrace();  
        } finally {  
            try {  
                is.close();  
                file.delete();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
        }  
    }  
} http://jn1.aaafaipiao.com/linked/20130301.do;