ClientUtil


1   /*
2    * Copyright 2001-2004 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  
17  package sample.google.search;
18  
19  import org.apache.axis2.context.ConfigurationContext;
20  import org.apache.axis2.context.ConfigurationContextFactory;
21  import org.apache.axis2.context.MessageContext;
22  import org.apache.axis2.deployment.DeploymentException;
23  import org.apache.axis2.engine.AxisFault;
24  import org.apache.axis2.om.OMAbstractFactory;
25  import org.apache.axis2.om.OMElement;
26  import org.apache.axis2.om.OMFactory;
27  import org.apache.axis2.om.OMNamespace;
28  import org.apache.axis2.soap.SOAPEnvelope;
29  import org.apache.axis2.soap.SOAPFactory;
30  
31  /**
32   * Builds the MessageContext as called by AsynchronousClient
33   * First build the request soap envilope
34   * then build a messageContext and soap envelope is attached to it
35   *
36   * @author Gayan Asanka  (gayan@opensource.lk)
37   */
38  public class ClientUtil {
39  
40      /** Soap request is included to this and pass it to sendMsg() in AsynchronousClient */
41      //static MessageContext msgContext;
42  
43      /**
44       * method getMessageContext
45       *
46       * @return msgContext
47       */
48      public static MessageContext getMessageContext(AsynchronousClient asyncClient)
49              throws DeploymentException {
50          OMNamespace defNs;
51          OMElement operation;
52          MessageContext msgContext = null;
53  
54          String   str_ST_index = Integer.toString(asyncClient.getStartIndex());
55  
56          defNs = OMAbstractFactory.getSOAP11Factory().createOMNamespace("", "");
57          SOAPFactory omFactory = OMAbstractFactory.getSOAP11Factory();
58          SOAPEnvelope envelope = omFactory.getDefaultEnvelope();
59          envelope.declareNamespace("http://schemas.xmlsoap.org/soap/envelope/", "SOAP-ENV");
60          envelope.declareNamespace("http://schemas.xmlsoap.org/soap/encoding/", "SOAP-ENC");
61          envelope.declareNamespace("http://www.w3.org/1999/XMLSchema-instance/", "xsi");
62          envelope.declareNamespace("http://www.w3.org/1999/XMLSchema",
63                  "xsd");
64  
65          operation = omFactory.createOMElement("doGoogleSearch", "urn:GoogleSearch", "ns1");
66          envelope.getBody().addChild(operation);
67          operation.addAttribute("SOAP-ENV:encordingStyle",
68                  "http://schemas.xmlsoap.org/soap/encoding/", null);
69  
70          operation.addChild(getOMElement(omFactory, defNs, "key", "xsd:string", asyncClient.getKey()));
71          operation.addChild(getOMElement(omFactory, defNs, "q", "xsd:string", asyncClient.getSearch()));
72          operation.addChild(getOMElement(omFactory, defNs, "start", "xsd:int", str_ST_index));
73          operation.addChild(getOMElement(omFactory, defNs, "maxResults", "xsd:int", asyncClient.getMaxResults()));
74          operation.addChild(getOMElement(omFactory, defNs, "filter", "xsd:boolean", "true"));
75          operation.addChild(getOMElement(omFactory, defNs, "restrict", "xsd:string", ""));
76          operation.addChild(getOMElement(omFactory, defNs, "safeSearch", "xsd:boolean", "false"));
77          operation.addChild(getOMElement(omFactory, defNs, "lr", "xsd:string", ""));
78          operation.addChild(getOMElement(omFactory, defNs, "ie", "xsd:string", "latin1"));
79          operation.addChild(getOMElement(omFactory, defNs, "oe", "xsd:string", "latin1"));
80  
81          ConfigurationContextFactory fac = new ConfigurationContextFactory();
82          ConfigurationContext configContext = fac.buildClientConfigurationContext("doGoogleSearch");
83          try {
84              msgContext = new MessageContext(configContext);
85          } catch (AxisFault axisFault) {
86              axisFault.printStackTrace();
87          }
88          msgContext.setEnvelope(envelope);
89          return msgContext;
90      }
91  
92      private static OMElement getOMElement(OMFactory factory, OMNamespace ns, String   elementName,
93                                            String   type, String   text) {
94          OMElement part = factory.createOMElement(elementName, ns);
95          part.addAttribute("xsi:type", type, null);
96          part.addChild(factory.createText(text));
97          return part;
98      }
99  }
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