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11 package org.mule.transport.soap;
12
13 import org.mule.DefaultMuleMessage;
14 import org.mule.MuleServer;
15 import org.mule.api.MuleContext;
16 import org.mule.api.MuleEventContext;
17 import org.mule.api.MuleMessage;
18 import org.mule.api.endpoint.ImmutableEndpoint;
19 import org.mule.api.endpoint.InboundEndpoint;
20 import org.mule.api.lifecycle.Callable;
21 import org.mule.api.lifecycle.Initialisable;
22 import org.mule.api.lifecycle.InitialisationException;
23 import org.mule.api.routing.OutboundRouter;
24 import org.mule.api.service.Service;
25 import org.mule.api.service.ServiceAware;
26 import org.mule.config.i18n.CoreMessages;
27 import org.mule.config.i18n.MessageFactory;
28 import org.mule.util.IOUtils;
29 import org.mule.util.StringUtils;
30
31 import java.io.IOException;
32 import java.net.InetAddress;
33
34 import org.apache.commons.logging.Log;
35 import org.apache.commons.logging.LogFactory;
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56 public class WSProxyService implements Callable, ServiceAware, Initialisable
57 {
58
59 private String urlWebservice;
60 private String wsdlEndpoint;
61 private String wsdlFile;
62 private String wsdlFileContents;
63 private boolean useFile = false;
64
65 private Service service;
66
67 private static final String HTTP_REQUEST = "http.request";
68 private static final String WSDL_PARAM_1 = "?wsdl";
69 private static final String WSDL_PARAM_2 = "&wsdl";
70
71
72 private boolean lazyInit = false;
73
74 protected static transient Log logger = LogFactory.getLog(WSProxyService.class);
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76
77
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79 public String getWsdlEndpoint()
80 {
81 return wsdlEndpoint;
82 }
83
84
85
86
87
88 public void setWsdlEndpoint(String urlWsdl)
89 {
90 this.wsdlEndpoint = urlWsdl;
91 }
92
93
94
95
96 public String getWsdlFile()
97 {
98 return wsdlFile;
99 }
100
101
102
103
104 public void setWsdlFile(String wsdlFile)
105 {
106 this.wsdlFile = wsdlFile;
107 }
108
109 public Object onCall(MuleEventContext eventContext) throws Exception
110 {
111 if (wsdlEndpoint == null && lazyInit)
112 {
113 initialise();
114 }
115
116
117 MuleMessage message = eventContext.getMessage();
118
119
120
121 String httpRequest = ((String)message.getProperty(HTTP_REQUEST)).toLowerCase();
122
123
124 if ((httpRequest.indexOf(WSDL_PARAM_1) != -1) || (httpRequest.indexOf(WSDL_PARAM_2) != -1))
125 {
126 logger.debug("Retrieving WSDL from web service");
127
128 String wsdlString;
129
130 if (this.useFile)
131 {
132
133
134 eventContext.setStopFurtherProcessing(true);
135 return wsdlFileContents;
136 }
137 MuleContext muleContext = MuleServer.getMuleContext();
138 InboundEndpoint webServiceEndpoint = muleContext.getRegistry()
139 .lookupEndpointFactory()
140 .getInboundEndpoint(this.wsdlEndpoint);
141
142 MuleMessage replyWSDL = eventContext.requestEvent(webServiceEndpoint, eventContext.getTimeout());
143
144 wsdlString = replyWSDL.getPayloadAsString();
145
146
147 String realWSDLURI = wsdlEndpoint.split("\\?")[0];
148 String proxyWSDLURI = eventContext.getEndpointURI().toString();
149
150 wsdlString = wsdlString.replaceAll(realWSDLURI, proxyWSDLURI);
151 if (wsdlString.indexOf("localhost") > -1)
152 {
153 wsdlString = wsdlString.replaceAll("localhost", InetAddress.getLocalHost().getHostName());
154 }
155
156 DefaultMuleMessage modifiedWsdl = new DefaultMuleMessage(wsdlString);
157 logger.debug("WSDL retrieved successfully");
158
159
160
161 eventContext.setStopFurtherProcessing(true);
162
163 return modifiedWsdl;
164 }
165 else
166
167 {
168 logger.debug("Forwarding SOAP message");
169 return eventContext.getMessage();
170 }
171 }
172
173
174 public void setService(Service service)
175 {
176 this.service = service;
177 }
178
179 public void initialise() throws InitialisationException
180 {
181 if (service != null)
182 {
183 OutboundRouter router = (OutboundRouter)service.getOutboundRouter().getRouters().get(0);
184 ImmutableEndpoint endpoint = (ImmutableEndpoint)router.getEndpoints().get(0);
185 this.urlWebservice = endpoint.getEndpointURI().getAddress();
186
187
188 int paramIndex;
189 if ((paramIndex = this.urlWebservice.indexOf("?")) != -1)
190 {
191 this.urlWebservice = this.urlWebservice.substring(0, paramIndex);
192 }
193
194
195 if (StringUtils.isNotBlank(this.wsdlFile))
196 {
197 try
198 {
199 this.wsdlFileContents = IOUtils.getResourceAsString(this.wsdlFile, getClass());
200
201 if (StringUtils.isNotBlank(this.wsdlFileContents))
202 {
203 this.useFile = true;
204 logger.info("Using file " + this.wsdlFile + " as WSDL file");
205 }
206 }
207 catch (IOException fileError)
208 {
209 throw new InitialisationException(CoreMessages.failedToLoad(this.wsdlFile), this);
210 }
211 }
212
213 if (!this.useFile)
214 {
215
216
217 if (StringUtils.isBlank(this.wsdlEndpoint))
218 {
219 if (urlWebservice == null)
220 {
221 throw new InitialisationException(MessageFactory.createStaticMessage("urlWebservice has not been set, service has not been initialized properly"), this);
222 }
223 this.wsdlEndpoint = this.urlWebservice.concat("?WSDL");
224 logger.info("Defaulting to: " + this.wsdlEndpoint);
225 }
226 else
227 {
228 logger.info("Using url " + this.wsdlEndpoint + " as WSDL");
229 }
230 }
231 }
232 else if (!lazyInit)
233 {
234
235 logger.debug("Service has not yet been injected, lazy initialization will be used.");
236 lazyInit = true;
237 }
238 else
239 {
240
241 throw new InitialisationException(MessageFactory.createStaticMessage("Service not set, this service has not been initialized properly."), this);
242 }
243 }
244 }