/* | |
* $Id: PortletServletInputStream.java 590812 2007-10-31 20:32:54Z apetrelli $ | |
* | |
* 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; | |
} | |
} |