// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.utils;
import java.io.BufferedInputStream;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class FileUtil {
public static String readFileAsString(String filePath) {
File file = new File(filePath);
if(!file.exists())
return null;
try {
byte[] buffer = new byte[(int)file.length()];
BufferedInputStream f = null;
try {
f = new BufferedInputStream(new FileInputStream(filePath));
f.read(buffer);
} finally {
if (f != null) {
try {
f.close();
} catch (IOException ignored) {
}
}
}
return new String(buffer);
} catch(IOException e) {
return null;
}
}
public static void writeToFile(String content, String filePath) throws IOException {
BufferedWriter out = null;
try {
out = new BufferedWriter(new FileWriter(filePath));
out.write(content);
} finally {
if(out != null)
out.close();
}
}
public static void copyfile(File f1, File f2) throws IOException {
InputStream in = new FileInputStream(f1);
OutputStream out = new FileOutputStream(f2);
try {
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
} finally {
in.close();
out.close();
}
}
}