/* | |
* 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.jasper.runtime; | |
import javax.servlet.ServletOutputStream; | |
import javax.servlet.ServletResponse; | |
import javax.servlet.http.HttpServletResponse; | |
import javax.servlet.http.HttpServletResponseWrapper; | |
import javax.servlet.jsp.JspWriter; | |
import java.io.IOException; | |
import java.io.PrintWriter; | |
/** | |
* 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) { | |
} | |
} | |
} |