| package org.apache.commons.jcs.admin; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * Keeps track of the number of bytes written to it, but doesn't write them anywhere. |
| */ |
| public class CountingOnlyOutputStream |
| extends OutputStream |
| { |
| /** number of bytes passed through */ |
| private int count; // TODO should this be long? |
| |
| /** |
| * count as we write. |
| * <p> |
| * @param b |
| * @throws IOException |
| */ |
| @Override |
| public void write( byte[] b ) |
| throws IOException |
| { |
| this.count += b.length; |
| } |
| |
| /** |
| * count as we write. |
| * <p> |
| * @param b |
| * @param off |
| * @param len |
| * @throws IOException |
| */ |
| @Override |
| public void write( byte[] b, int off, int len ) |
| throws IOException |
| { |
| this.count += len; |
| } |
| |
| /** |
| * count as we write. |
| * <p> |
| * @param b |
| * @throws IOException |
| */ |
| @Override |
| public void write( int b ) |
| throws IOException |
| { |
| this.count++; |
| } |
| |
| /** |
| * The number of bytes that have passed through this stream. |
| * <p> |
| * @return int |
| */ |
| public int getCount() |
| { |
| return this.count; |
| } |
| } |