- /*
- * Copyright 2001-2004 The Apache Software Foundation.
- *
- * 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 org.apache.commons.io.input;
-
- import java.io.IOException;
- import java.io.InputStream;
-
- /**
- * Used in debugging, it counts the number of bytes that pass
- * through it.
- *
- * @author <a href="mailto:bayard@apache.org">Henri Yandell</a>
- * @version $Id: CountingInputStream.java,v 1.8 2004/02/23 04:38:52 bayard Exp $
- */
- public class CountingInputStream extends ProxyInputStream {
-
- private int count;
-
- /**
- * Constructs a new CountingInputStream.
- * @param in InputStream to delegate to
- */
- public CountingInputStream( InputStream in ) {
- super(in);
- }
-
- /**
- * Increases the count by super.read(b)'s return count
- *
- * @see java.io.InputStream#read(byte[])
- */
- public int read(byte[] b) throws IOException {
- int found = super.read(b);
- this.count += found;
- return found;
- }
-
- /**
- * Increases the count by super.read(b, off, len)'s return count
- *
- * @see java.io.InputStream#read(byte[], int, int)
- */
- public int read(byte[] b, int off, int len) throws IOException {
- int found = super.read(b, off, len);
- this.count += found;
- return found;
- }
-
- /**
- * Increases the count by 1.
- *
- * @see java.io.InputStream#read()
- */
- public int read() throws IOException {
- this.count++;
- return super.read();
- }
-
- /**
- * The number of bytes that have passed through this stream.
- *
- * @return the number of bytes accumulated
- */
- public int getCount() {
- return this.count;
- }
-
- }