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/**
* Copyright 2017 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.validation.csar;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileOutputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class CsarUtil {
private static final Logger logger = LoggerFactory.getLogger(CsarUtil.class);
public static ArrayList<String> csarFiles = null;
public static String getUnzipDir(String dirName) {
File tmpDir = new File(File.separator + dirName);
return tmpDir.getAbsolutePath().replace(".csar", "");
}
/**
* unzip zip file.
*
* @param zipFileName
* file name to zip
* @param extPlace
* extPlace
* @return unzip file name
* @throws IOException
* e1
*/
public static ArrayList<String> unzip(String zipFileName, String extPlace) throws IOException {
ZipFile zipFile = null;
ArrayList<String> unzipFileNams = new ArrayList<String>();
try {
zipFile = new ZipFile(zipFileName);
Enumeration<?> fileEn = zipFile.entries();
byte[] buffer = new byte[CommonConstants.BUFFER_SIZE];
while (fileEn.hasMoreElements()) {
InputStream input = null;
BufferedOutputStream bos = null;
try {
ZipEntry entry = (ZipEntry) fileEn.nextElement();
if (entry.isDirectory()) {
continue;
}
input = zipFile.getInputStream(entry);
File file = new File(extPlace, entry.getName());
if (!file.getParentFile().exists()) {
FileUtil.createDirectory(file.getParentFile().getAbsolutePath());
}
bos = new BufferedOutputStream(new FileOutputStream(file));
while (true) {
int length = input.read(buffer);
if (length == -1) {
break;
}
bos.write(buffer, 0, length);
}
unzipFileNams.add(file.getAbsolutePath());
} finally {
closeOutputStream(bos);
closeInputStream(input);
}
}
} finally {
FileUtil.closeZipFile(zipFile);
}
return unzipFileNams;
}
/**
* close InputStream.
*
* @param inputStream
* the inputstream to close
*/
public static void closeInputStream(InputStream inputStream) {
try {
if (inputStream != null) {
inputStream.close();
}
} catch (Exception e1) {
logger.info("close InputStream error!");
}
}
/**
* close OutputStream.
*
* @param outputStream
* the output stream to close
*/
public static void closeOutputStream(OutputStream outputStream) {
try {
if (outputStream != null) {
outputStream.close();
}
} catch (Exception e1) {
logger.info("close OutputStream error!");
}
}
}
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