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Java > Open Source Codes > SampleDirectoryBrowserApp


1 /* ====================================================================
2  * TeaServlet - Copyright (c) 1999-2000 GO.com
3  * ====================================================================
4  * The Tea Software License, Version 1.0
5  *
6  * Copyright (c) 2000 GO.com. All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by GO.com
23  * (http://opensource.go.com/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "GO.com" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact opensource@go.com.
31  *
32  * 5. Products derived from this software may not be called "Tea",
33  * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
34  * "Kettle" or "Trove" appear in their name, without prior written
35  * permission of GO.com.
36  *
37  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40  * DISCLAIMED. IN NO EVENT SHALL GO.COM OR ITS CONTRIBUTORS BE LIABLE
41  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
42  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
43  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
44  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
45  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
46  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
47  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  * For more information about Tea, please see http://opensource.go.com/.
51  */
52
53
54 import com.go.teaservlet.*;
55 import com.go.trove.log.*;
56 import javax.servlet.ServletException JavaDoc;
57
58 /******************************************************************************
59  * The SampleDirectoryBrowserApp is a simple example of a working TeaServlet
60  * application that presents content based on data passed in by the request.
61  * All TeaServlet application classes must either implement Application or
62  * extend some other class that does so.
63  *
64  * @author Jonathan Colwell
65  * @version
66  * <!--$$Revision:--> 6 <!-- $-->, <!--$$JustDate:--> 1/18/01 <!-- $-->
67  */
68 public class SampleDirectoryBrowserApp implements Application {
69
70     private Log mLog;
71     private ApplicationConfig mConfig;
72
73     public void init (ApplicationConfig config) throws ServletException JavaDoc {
74
75         // The ApplicationConfig is used by the Application to configure itself.
76 mConfig = config;
77
78
79         // A log for keeping track of events specific to this application
80 mLog = config.getLog();
81
82     }
83
84     // Creating a context provides functions accesible from the templates.
85 public Object JavaDoc createContext(ApplicationRequest request,
86                                 ApplicationResponse response) {
87         return new SampleDirectoryBrowserContext(request, response, this);
88     }
89
90     // Specifies the class of the Object returned by createContext.
91 public Class JavaDoc getContextType() {
92         return SampleDirectoryBrowserContext.class;
93     }
94
95     // Lets functions in the context get at the initialization parameters.
96 public String JavaDoc getInitParameter(String JavaDoc param) {
97         return mConfig.getInitParameter(param);
98     }
99     public void destroy() {
100     }
101 }
102
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