/*
* $Id: PortletServletInputStream.java 651946 2008-04-27 13:41:38Z 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;
}
}
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