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/**
* Copyright (c) 2016, Huawei Technologies Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.vfc.nfvo.vnfm.gvnfm.jujuvnfmadapter.common;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.GZIPInputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.apache.commons.compress.archivers.ArchiveInputStream;
import org.apache.commons.compress.archivers.ArchiveStreamFactory;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.compressors.CompressorStreamFactory;
import org.apache.commons.compress.compressors.xz.XZCompressorInputStream;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <br/>
* <p>
* </p>
*
* @author quanzhong@huawei.com
* @version NFVO 0.5 Oct 28, 2016
*/
public class UnCompressUtil {
private static Logger log = LoggerFactory.getLogger(UnCompressUtil.class);
private static Map<String, String> archiveMap = new HashMap<>();
private static Map<String, String> compressorMap = new HashMap<>();
static {
// archive type
archiveMap.put(ArchiveStreamFactory.AR, ArchiveStreamFactory.AR);
archiveMap.put(ArchiveStreamFactory.ARJ, ArchiveStreamFactory.ARJ);
archiveMap.put(ArchiveStreamFactory.CPIO, ArchiveStreamFactory.CPIO);
archiveMap.put(ArchiveStreamFactory.DUMP, ArchiveStreamFactory.DUMP);
archiveMap.put(ArchiveStreamFactory.JAR, ArchiveStreamFactory.JAR);
archiveMap.put(ArchiveStreamFactory.SEVEN_Z, ArchiveStreamFactory.SEVEN_Z);
archiveMap.put(ArchiveStreamFactory.TAR, ArchiveStreamFactory.TAR);
archiveMap.put(ArchiveStreamFactory.ZIP, ArchiveStreamFactory.ZIP);
// compressor type
compressorMap.put(CompressorStreamFactory.BZIP2, CompressorStreamFactory.BZIP2);
compressorMap.put(CompressorStreamFactory.DEFLATE, CompressorStreamFactory.DEFLATE);
compressorMap.put(CompressorStreamFactory.GZIP, CompressorStreamFactory.GZIP);
compressorMap.put(CompressorStreamFactory.LZMA, CompressorStreamFactory.LZMA);
compressorMap.put(CompressorStreamFactory.PACK200, CompressorStreamFactory.PACK200);
compressorMap.put(CompressorStreamFactory.SNAPPY_FRAMED, CompressorStreamFactory.SNAPPY_FRAMED);
compressorMap.put(CompressorStreamFactory.SNAPPY_RAW, CompressorStreamFactory.SNAPPY_RAW);
compressorMap.put(CompressorStreamFactory.XZ, CompressorStreamFactory.XZ);
compressorMap.put(CompressorStreamFactory.Z, CompressorStreamFactory.Z);
}
/**
* tar.gz
* <br/>
*
* @param zipfileName
* @param outputDirectory
* @param fileNames
* @return
* @since NFVO 0.5
*/
public static boolean unCompressGzip(String zipfileName, String outputDirectory, List<String> fileNames) {
try (
FileInputStream fis = new FileInputStream(zipfileName);
GZIPInputStream gis = new GZIPInputStream(new BufferedInputStream(fis));
ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream("tar", gis);
BufferedInputStream bis = new BufferedInputStream(in)){
TarArchiveEntry entry = (TarArchiveEntry)in.getNextEntry();
while(entry != null) {
String name = entry.getName();
String[] names = name.split("/");
String fileName = outputDirectory;
for(int i = 0; i < names.length; i++) {
String str = names[i];
fileName = fileName + File.separator + str;
}
if(name.endsWith("/")) {
FileUtils.mkDirs(fileName);
} else {
File file = getRealFileName(outputDirectory, name);
if(null != fileNames) {
fileNames.add(file.getName());
}
try(BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file))){
int b = -1;
while((b = bis.read()) != -1) {
bos.write(b);
}
log.debug("ungzip to:" + file.getCanonicalPath());
}
}
entry = (TarArchiveEntry)in.getNextEntry();
}
return true;
} catch(Exception e) {
log.error("UnCompressGZip faield:", e);
return false;
}
}
public static void unCompressAllZip(String sourcePath, String targetPath) throws FileNotFoundException {
for(File file : FileUtils.listFiles(new File(sourcePath))) {
unCompressZip(file.getAbsolutePath(),
targetPath + File.separator + file.getName().substring(0, file.getName().lastIndexOf(".")),new ArrayList<String>());
}
}
/**
* zip
* <br/>
*
* @param sourceFile unzipPath
* @param targetPath zippath
* @param fileNames
* @since NFVO 0.5
*/
public static boolean unCompressZip(String sourceFile, String targetPath,List<String> fileNames) {
try (
FileInputStream fis = new FileInputStream(sourceFile);
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(fis))){
ZipEntry entry = null;
while((entry = zis.getNextEntry()) != null) {
String name = entry.getName();
String[] names = name.split("/");
String fileName = targetPath;
for(int i = 0; i < names.length; i++) {
String str = names[i];
fileName = fileName + File.separator + str;
}
if(name.endsWith("/")) {
FileUtils.mkDirs(fileName);
} else {
int count;
byte[] data = new byte[2048];
File file = getRealFileName(targetPath, name);
fileNames.add(file.getName());
try(BufferedOutputStream dest = new BufferedOutputStream(new FileOutputStream(file))){
while((count = zis.read(data, 0, 2048)) != -1) {
dest.write(data, 0, count);
}
log.debug("unzip to:" + file.getCanonicalPath());}
}
}
zis.close();
return true;
} catch(Exception e) {
log.error("UnCompressZip faield:", e);
}
return false;
}
private static File getRealFileName(String zippath, String absFileName) {
String[] dirs = absFileName.split("/", absFileName.length());
File ret = new File(zippath);
if(dirs.length > 1) {
for(int i = 0; i < dirs.length - 1; i++) {
ret = new File(ret, dirs[i]);
}
}
if(!ret.exists()) {
ret.mkdirs();
}
ret = new File(ret, dirs[dirs.length - 1]);
return ret;
}
/**
* tar.xz
* <br/>
*
* @param zipfileName
* @param outputDirectory
* @param fileNames
* @return
* @since NFVO 0.5
*/
public static boolean unCompressTarXZ(String zipfileName, String outputDirectory, List<String> fileNames) {
try(
XZCompressorInputStream xzis =
new XZCompressorInputStream(new BufferedInputStream(new FileInputStream(zipfileName)));
ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream("tar", xzis);
BufferedInputStream bis = new BufferedInputStream(in)){
TarArchiveEntry entry = (TarArchiveEntry)in.getNextEntry();
while(entry != null) {
String name = entry.getName();
String[] names = name.split("/");
String fileName = outputDirectory;
for(int i = 0; i < names.length; i++) {
String str = names[i];
fileName = fileName + File.separator + str;
}
if(name.endsWith("/")) {
FileUtils.mkDirs(fileName);
} else {
File file = getRealFileName(outputDirectory, name);
if(null != fileNames) {
fileNames.add(file.getName());
}
try(BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file))){
int b = -1;
while((b = bis.read()) != -1) {
bos.write(b);
}
log.debug("ungzip to:" + file.getCanonicalPath());}
}
entry = (TarArchiveEntry)in.getNextEntry();
}
return true;
} catch(Exception e) {
log.error("unCompressTarXZ faield:", e);
}
return false;
}
/**
* only support .zip/.tar.gz/.tar.xz
* <br/>
*
* @param zipfileName
* @param outputDirectory
* @param fileNames
* @return
* @since NFVO 0.5
*/
public static boolean unCompress(String zipfileName, String outputDirectory, List<String> fileNames) {
if(zipfileName.endsWith(".zip")){
return unCompressZip(zipfileName,outputDirectory,fileNames);
}else if(zipfileName.endsWith(".tar.gz")){
return unCompressGzip(zipfileName,outputDirectory,fileNames);
}else if(zipfileName.endsWith(".tar.xz")){
return unCompressTarXZ(zipfileName,outputDirectory,fileNames);
}else{
log.error("not supprot file type:->"+zipfileName);
return false;
}
}
}
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