| /* |
| * $Id$ |
| * |
| * 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.struts2.portlet.servlet; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import javax.servlet.ServletInputStream; |
| |
| /** |
| * Wrapper object exposing a {@link InputStream} from a portlet as a {@link ServletInputStream} instance. |
| * Clients accessing this stream object will in fact operate on the |
| * {@link InputStream} object wrapped by this stream object. |
| */ |
| public class PortletServletInputStream extends ServletInputStream { |
| |
| private InputStream portletInputStream; |
| |
| public PortletServletInputStream(InputStream portletInputStream) { |
| this.portletInputStream = portletInputStream; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#read() |
| */ |
| @Override |
| public int read() throws IOException { |
| return portletInputStream.read(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#available() |
| */ |
| @Override |
| public int available() throws IOException { |
| return portletInputStream.available(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#close() |
| */ |
| @Override |
| public void close() throws IOException { |
| portletInputStream.close(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#mark(int) |
| */ |
| @Override |
| public synchronized void mark(int readlimit) { |
| portletInputStream.mark(readlimit); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#markSupported() |
| */ |
| @Override |
| public boolean markSupported() { |
| return portletInputStream.markSupported(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#read(byte[], int, int) |
| */ |
| @Override |
| public int read(byte[] b, int off, int len) throws IOException { |
| return portletInputStream.read(b, off, len); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#read(byte[]) |
| */ |
| @Override |
| public int read(byte[] b) throws IOException { |
| return portletInputStream.read(b); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#reset() |
| */ |
| @Override |
| public synchronized void reset() throws IOException { |
| portletInputStream.reset(); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.io.InputStream#skip(long) |
| */ |
| @Override |
| public long skip(long n) throws IOException { |
| return portletInputStream.skip(n); |
| } |
| |
| /** |
| * Get the wrapped {@link InputStream} instance. |
| * @return The wrapped {@link InputStream} instance. |
| */ |
| public InputStream getInputStream() { |
| return portletInputStream; |
| } |
| |
| } |