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Java > Open Source Codes > org > apache > soap > providers > TemplateProvider


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2000 The Apache Software Foundation. All rights
6  * 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 the
23  * Apache Software Foundation (http://www.apache.org/)."
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 "SOAP" and "Apache Software Foundation" 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 apache@apache.org.
31  *
32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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 THE APACHE SOFTWARE FOUNDATION OR
40  * ITS 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  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 2000, International
53  * Business Machines, Inc., http://www.apache.org. For more
54  * information on the Apache Software Foundation, please see
55  * <http://www.apache.org/>.
56  */
57
58 package org.apache.soap.providers ;
59
60 import java.io.* ;
61 import java.util.* ;
62 import javax.servlet.* ;
63 import javax.servlet.http.* ;
64 import org.apache.soap.* ;
65 import org.apache.soap.rpc.* ;
66 import org.apache.soap.server.* ;
67 import org.apache.soap.util.* ;
68
69 public class TemplateProvider implements Provider {
70     private DeploymentDescriptor dd ;
71     private Envelope envelope ;
72     private Call call ;
73     private String JavaDoc methodName ;
74     private String JavaDoc targetObjectURI ;
75     private HttpServlet servlet ;
76     private HttpSession session ;
77
78     public void locate( DeploymentDescriptor dd,
79                         Envelope env,
80                         Call call,
81                         String JavaDoc methodName,
82                         String JavaDoc targetObjectURI,
83                         SOAPContext reqContext)
84         throws SOAPException {
85
86       HttpServlet servlet = (HttpServlet) reqContext.getProperty( Constants.BAG_HTTPSERVLET );
87       HttpSession session = (HttpSession) reqContext.getProperty( Constants.BAG_HTTPSESSION );
88
89       System.err.println( "=============================================" );
90       System.err.println( "In TemplateProvider.locate()" );
91       System.err.println( "Method: " + methodName );
92       System.err.println( "URI: " + targetObjectURI );
93       System.err.println( "DD.ServiceClass: " + dd.getServiceClass() );
94       System.err.println( "DD.ProviderClass: " + dd.getProviderClass() );
95       System.err.println( "Call.MethodName: " + call.getMethodName() );
96
97       Hashtable props = dd.getProps();
98       Enumeration keys = props.keys();
99
100       System.err.println( "Options:" );
101       while ( keys.hasMoreElements() ) {
102           String JavaDoc key = (String JavaDoc) keys.nextElement();
103           String JavaDoc value = (String JavaDoc) props.get( key );
104           System.err.println( "Key: " + key + " Value: " + value );
105       }
106
107       this.dd = dd ;
108       this.envelope = env ;
109       this.call = call ;
110       this.methodName = methodName ;
111       this.targetObjectURI = targetObjectURI ;
112       this.servlet = servlet ;
113       this.session = session ;
114
115       // Add logic to locate/load the service here
116 };
117
118
119     public void invoke(SOAPContext reqContext, SOAPContext resContext)
120                         throws SOAPException {
121       System.err.println( "=============================================" );
122       System.err.println( "In TemplateProvider.invoke()" );
123
124       // Add logic to invoke the service and get back the result here
125
126       // If you want the client to use a new targetObjectURI for subsequence
127 // calls place it here (targetObjectURI on 'new Response').
128 // i.e. we added an 'instance-id' to the urn
129 try {
130             Response resp = new Response( targetObjectURI, // URI
131 call.getMethodName(), // Method
132 (Parameter) null, // ReturnValue
133 null, // Params
134 null, // Header
135 null, // encoding
136 resContext ); // response soapcontext - not supported yet
137
138             Envelope env = resp.buildEnvelope();
139             StringWriter sw = new StringWriter();
140             env.marshall( sw, call.getSOAPMappingRegistry(), resContext );
141             resContext.setRootPart( sw.toString(), Constants.HEADERVAL_CONTENT_TYPE_UTF8);
142       }
143       catch( Exception JavaDoc e ) {
144         if ( e instanceof SOAPException ) throw (SOAPException ) e ;
145         throw new SOAPException( Constants.FAULT_CODE_SERVER, e.toString() );
146       }
147     };
148 };
149
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