org.apache.wicket.util.io.ByteCountingOutputStream 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.apache.wicket.util.io;
import java.io.IOException;
import java.io.OutputStream;
/**
* Output stream that counts bytes written to it (but discards them).
*
* @author Jonathan Locke
*/
public final class ByteCountingOutputStream extends OutputStream
{
private long size;
/**
* @see java.io.OutputStream#write(int)
*/
@Override
public void write(final int b) throws IOException
{
size++;
}
/**
* @see java.io.OutputStream#write(byte[], int, int)
*/
@Override
public void write(final byte b[], final int off, final int len) throws IOException
{
size += len;
}
/**
* @return Number of bytes written to this stream
*/
public long size()
{
return size;
}
}