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Java > Open Source Codes > org > openlaszlo > iv > flash > servlet > GeneratorServletContext


1 /*
2  * $Id: GeneratorServletContext.java,v 1.2 2002/02/15 23:44:28 skavish Exp $
3  *
4  * ==========================================================================
5  *
6  * The JGenerator Software License, Version 1.0
7  *
8  * Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution, if
22  * any, must include the following acknowlegement:
23  * "This product includes software developed by Dmitry Skavish
24  * (skavish@usa.net, http://www.flashgap.com/)."
25  * Alternately, this acknowlegement may appear in the software itself,
26  * if and wherever such third-party acknowlegements normally appear.
27  *
28  * 4. The name "The JGenerator" must not be used to endorse or promote
29  * products derived from this software without prior written permission.
30  * For written permission, please contact skavish@usa.net.
31  *
32  * 5. Products derived from this software may not be called "The JGenerator"
33  * nor may "The JGenerator" appear in their names without prior written
34  * permission of Dmitry Skavish.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL DMITRY SKAVISH OR THE OTHER
40  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
45  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
48  *
49  */
50
51 package org.openlaszlo.iv.flash.servlet;
52
53 import java.io.*;
54 import java.net.*;
55 import java.util.*;
56
57 import javax.servlet.*;
58 import javax.servlet.http.*;
59
60 /**
61  * Generator servlet context<P>
62  *
63  * When servlet is invoked it stores its environment along
64  * with HttpRequest and HttpResponse in this context using
65  * current thread as a key, so that later on it can be retrieved
66  * from for example Java datasources.<P>
67  *
68  * Example:<P>
69  * <PRE><CODE>
70  * GeneratorServletContext context = GeneratorServletContext.getContext();
71  * HttpServletResponse response = context.getHttpServletResponse();
72  * HttpServletRequest request = context.getHttpServletRequest();
73  * HttpSession session = request.getSession();
74  * </CODE></PRE>
75  *
76  * @author Dmitry Skavish
77  */
78 public class GeneratorServletContext {
79
80     private static Hashtable contexts = new Hashtable();
81
82     private HttpServletRequest request;
83     private HttpServletResponse response;
84     private ServletConfig config;
85
86     public static GeneratorServletContext getContext() {
87         return (GeneratorServletContext) contexts.get( Thread.currentThread() );
88     }
89
90     public static GeneratorServletContext createContext() {
91         GeneratorServletContext context = new GeneratorServletContext();
92         contexts.put( Thread.currentThread(), context );
93         return context;
94     }
95
96     public static void destroyContext() {
97         contexts.remove( Thread.currentThread() );
98     }
99
100
101     public HttpServletRequest getHttpServletRequest() {
102         return request;
103     }
104
105     public HttpServletResponse getHttpServletResponse() {
106         return response;
107     }
108
109     public ServletConfig getServletConfig() {
110         return config;
111     }
112
113     public void setHttpServletRequest( HttpServletRequest request ) {
114         this.request = request;
115     }
116
117     public void setHttpServletResponse( HttpServletResponse response ) {
118         this.response = response;
119     }
120
121     public void setServletConfig( ServletConfig config ) {
122         this.config = config;
123     }
124 }
125
126
127
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