JSPEngine


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.cocoon.components.jsp;
17  
18  import javax.servlet.ServletContext  ;
19  import javax.servlet.ServletException  ;
20  import javax.servlet.http.HttpServletRequest  ;
21  import javax.servlet.http.HttpServletResponse  ;
22  
23  import java.io.IOException  ;
24  
25  /**
26   * A component for loading and running Servlets and JSPs.
27   *
28   * @author <a HREF="mailto:dims@yahoo.com">Davanum Srinivas</a>
29   * @version CVS $Id: JSPEngine.java 30932 2004-07-29 17:35:38Z vgritsenko $
30   */
31  public interface JSPEngine {
32  
33      public static final String   ROLE = JSPEngine.class.getName();
34      
35      /**
36       * Execute the Servlet/JSP and return the output.
37       * Output of the JSPEngine <b>must</b> be in UTF8 encoding.
38       * 
39       * @exception IOException
40       * @exception ServletException
41       * @exception Exception
42       */
43      public byte[] executeJSP(String   url,
44                               HttpServletRequest   request,
45                               HttpServletResponse   response,
46                               ServletContext   context)
47          throws IOException  , ServletException  , Exception  ;
48  }
49
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