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/**
* Copyright 2016 [ZTE] and others.
*
* 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.openo.commontosca.catalog.filemanage.http;
import org.openo.commontosca.catalog.common.HttpServerPathConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class ToolUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(ToolUtil.class);
/**
* copy from directory.
* @param srcDirName source directory name
* @param destDirName destination directory name
* @param overlay overwrite or not
* @return boolean
* @throws IOException e
*/
public static boolean copyDirectory(String srcDirName, String destDirName, boolean overlay)
throws IOException {
File srcDir = new File(srcDirName);
if (!srcDir.exists()) {
return false;
} else if (!srcDir.isDirectory()) {
return false;
}
if (!destDirName.endsWith(File.separator)) {
destDirName = destDirName + File.separator;
}
File destDir = new File(destDirName);
if (destDir.exists()) {
if (overlay) {
new File(destDirName).delete();
} else {
return false;
}
} else {
if (!destDir.mkdirs()) {
return false;
}
}
boolean flag = true;
File[] files = srcDir.listFiles();
for (int i = 0; i < files.length; i++) {
if (files[i].isFile()) {
flag = copyFile(files[i].getAbsolutePath(), destDirName + files[i].getName(), true);
if (!flag) {
break;
}
} else if (files[i].isDirectory()) {
flag = copyDirectory(files[i].getAbsolutePath(), destDirName + files[i].getName(), overlay);
if (!flag) {
break;
}
}
}
if (!flag) {
String message = "Copy catagory " + srcDirName + " to " + destDirName + " failed！";
LOGGER.error(message);
return false;
} else {
return true;
}
}
/**
* copy file.
* @param srcFileName source file name
* @param destFileName target file name
* @param overlay overwrite or not
* @return boolean
*/
public static boolean copyFile(String srcFileName, String destFileName, boolean overlay) {
File srcFile = new File(srcFileName);
if (!srcFile.exists()) {
String message = "Source file ：" + srcFileName + " not exist !";
LOGGER.error(message);
return false;
} else if (!srcFile.isFile()) {
return false;
}
File destFile = new File(destFileName);
if (destFile.exists()) {
if (overlay) {
new File(destFileName).delete();
}
} else {
if (!destFile.getParentFile().exists()) {
if (!destFile.getParentFile().mkdirs()) {
return false;
}
}
}
int byteread = 0;
InputStream in = null;
OutputStream out = null;
try {
in = new FileInputStream(srcFile);
out = new FileOutputStream(destFile);
byte[] buffer = new byte[1024];
while ((byteread = in.read(buffer)) != -1) {
out.write(buffer, 0, byteread);
}
return true;
} catch (FileNotFoundException e1) {
return false;
} catch (IOException e1) {
return false;
} finally {
try {
if (out != null) {
out.close();
}
if (in != null) {
in.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
/**
* create directory.
* @param destDirName target directory name
* @return boolean
*/
public static boolean createDir(String destDirName) {
File dir = new File(destDirName);
if (dir.exists()) {
dir.delete();
}
if (!destDirName.endsWith(File.separator)) {
destDirName = destDirName + File.separator;
}
if (dir.mkdirs()) {
return true;
} else {
return false;
}
}
public static String getHttpServerPath() {
return HttpServerPathConfig.getHttpServerPath();
}
/**
* delete directory.
* @param dir file to delete
* @return boolean
*/
public static boolean deleteDir(File dir) {
if (dir.isDirectory()) {
String[] children = dir.list();
for (int i = 0; i < children.length; i++) {
boolean success = deleteDir(new File(dir, children[i]));
if (!success) {
return false;
}
}
}
return dir.delete();
}
}
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