/* Copyright 2004 The JA-SIG Collaborative. All rights reserved.
* See license distributed with this file and
* available online at http://www.uportal.org/license.html
*/
package org.jasig.portal;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;
import org.jasig.portal.utils.SubstitutionWriter;
/**
* Replaces tags in the markup with the tag for the current request.
* @author Peter Kharchenko, pkharchenko@unicon.net
* @version $Revision: 1.4 $
*/
public class ResponseSubstitutionWrapper extends HttpServletResponseWrapper {
protected String sessionTag;
protected String newTag;
public ResponseSubstitutionWrapper(HttpServletResponse res, String sessionTag, String newTag) {
super(res);
this.sessionTag = sessionTag;
this.newTag = newTag;
}
public ServletOutputStream getOutputStream() throws IOException {
return getResponse().getOutputStream();
}
public PrintWriter getWriter() throws IOException {
return new PrintWriter(new SubstitutionWriter(getResponse().getWriter(), sessionTag.toCharArray(), newTag.toCharArray(), this.getBufferSize()));
}
}