/*
 * Copyright 2013 Yuichiro Moriguchi
 *
 * 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 net.morilib.sed;

import java.io.IOException;
import java.io.Writer;

/**
 * 何も出力されないWriterです。
 *
 *
 * @author MORIGUCHI, Yuichiro 2013/03
 */
public class NullWriter extends Writer {

	/**
	 * インスタンスです。
	 */
	public static final NullWriter NULL = new NullWriter();

	@Override
	public void close() throws IOException {
		// do nothing
	}

	@Override
	public void flush() throws IOException {
		// do nothing
	}

	@Override
	public void write(char[] cbuf, int off, int len) {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see java.io.Writer#write(int)
	 */
	@Override
	public void write(int c) throws IOException {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see java.io.Writer#write(char[])
	 */
	@Override
	public void write(char[] cbuf) throws IOException {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see java.io.Writer#write(java.lang.String)
	 */
	@Override
	public void write(String str) throws IOException {
		// do nothing
	}

	/* (non-Javadoc)
	 * @see java.io.Writer#write(java.lang.String, int, int)
	 */
	@Override
	public void write(String str, int off, int len) {
		// do nothing
	}

}
