Java tutorial
/* * 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.sanselan.util; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; public class CachingInputStream extends InputStream { private final InputStream is; private final ByteArrayOutputStream baos = new ByteArrayOutputStream(); public CachingInputStream(InputStream is) { this.is = is; } public byte[] getCache() { return baos.toByteArray(); } public int read() throws IOException { int result = is.read(); baos.write(result); return result; } public int available() throws IOException { return is.available(); } public void close() throws IOException { is.close(); } }