/*
* $Header: /home/cvs/jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper/runtime/ServletResponseWrapperInclude.java,v 1.3 2003/07/11 01:27:46 luehe Exp $
* $Revision: 1.3 $
* $Date: 2003/07/11 01:27:46 $
*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.jasper.runtime;
import java.lang.IllegalStateException;
import java.io.Writer;
import java.io.PrintWriter;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.JspWriter;
/**
* ServletResponseWrapper used by the JSP 'include' action.
*
* This wrapper response object is passed to RequestDispatcher.include(), so
* that the output of the included resource is appended to that of the
* including page.
*
* @author Pierre Delisle
*/
public class ServletResponseWrapperInclude extends HttpServletResponseWrapper {
/**
* PrintWriter which appends to the JspWriter of the including page.
*/
private PrintWriter printWriter;
private JspWriter jspWriter;
public ServletResponseWrapperInclude(ServletResponse response,
JspWriter jspWriter) {
super((HttpServletResponse)response);
this.printWriter = new PrintWriter(jspWriter);
this.jspWriter = jspWriter;
}
/**
* Returns a wrapper around the JspWriter of the including page.
*/
public PrintWriter getWriter() throws IOException {
return printWriter;
}
public ServletOutputStream getOutputStream() throws IOException {
throw new IllegalStateException();
}
/**
* Clears the output buffer of the JspWriter associated with the including
* page.
*/
public void resetBuffer() {
try {
jspWriter.clearBuffer();
} catch (IOException ioe) {
}
}
}