| /* |
| * Copyright 1999,2004 The Apache Software Foundation. |
| * |
| * Licensed 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.jasper.runtime; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.servlet.ServletOutputStream; |
| import javax.servlet.ServletResponse; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.http.HttpServletResponseWrapper; |
| 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) { |
| } |
| } |
| } |