80 lines
2.4 KiB
Java
80 lines
2.4 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.jasper.runtime;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.ServletResponse;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponseWrapper;
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import javax.servlet.jsp.JspWriter;
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/**
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* ServletResponseWrapper used by the JSP 'include' action.
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*
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* This wrapper response object is passed to RequestDispatcher.include(), so
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* that the output of the included resource is appended to that of the
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* including page.
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*
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* @author Pierre Delisle
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*/
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public class ServletResponseWrapperInclude extends HttpServletResponseWrapper {
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/**
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* PrintWriter which appends to the JspWriter of the including page.
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*/
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private final PrintWriter printWriter;
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private final JspWriter jspWriter;
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public ServletResponseWrapperInclude(ServletResponse response,
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JspWriter jspWriter) {
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super((HttpServletResponse)response);
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this.printWriter = new PrintWriter(jspWriter);
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this.jspWriter = jspWriter;
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}
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/**
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* Returns a wrapper around the JspWriter of the including page.
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*/
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@Override
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public PrintWriter getWriter() throws IOException {
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return printWriter;
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}
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@Override
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public ServletOutputStream getOutputStream() throws IOException {
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throw new IllegalStateException();
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}
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/**
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* Clears the output buffer of the JspWriter associated with the including
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* page.
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*/
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@Override
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public void resetBuffer() {
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try {
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jspWriter.clearBuffer();
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} catch (IOException ioe) {
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}
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}
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}
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