org.dromara.hmily.common.utils.FileUtils Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.dromara.hmily.common.utils;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
/**
* FileUtils.
*
* @author xiaoyu(Myth)
*/
public class FileUtils {
/**
* Write file.
*
* @param fullFileName the full file name
* @param contents the contents
*/
public static void writeFile(final String fullFileName, final byte[] contents) {
try {
RandomAccessFile raf = new RandomAccessFile(fullFileName, "rw");
try (FileChannel channel = raf.getChannel()) {
ByteBuffer buffer = ByteBuffer.allocate(contents.length);
buffer.put(contents);
buffer.flip();
while (buffer.hasRemaining()) {
channel.write(buffer);
}
channel.force(true);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}