Coverage Report - org.mule.module.ibeans.spi.support.DynamicRequestEndpoint
 
Classes in this File Line Coverage Branch Coverage Complexity
DynamicRequestEndpoint
0%
0/52
0%
0/32
0
DynamicRequestEndpoint$NullInboundEndpoint
0%
0/8
N/A
0
 
 1  
 /*
 2  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.module.ibeans.spi.support;
 8  
 
 9  
 import org.mule.DefaultMuleMessage;
 10  
 import org.mule.MessageExchangePattern;
 11  
 import org.mule.api.MessagingException;
 12  
 import org.mule.api.MuleContext;
 13  
 import org.mule.api.MuleEvent;
 14  
 import org.mule.api.MuleException;
 15  
 import org.mule.api.MuleMessage;
 16  
 import org.mule.api.MuleRuntimeException;
 17  
 import org.mule.api.config.MuleProperties;
 18  
 import org.mule.api.construct.FlowConstruct;
 19  
 import org.mule.api.endpoint.EndpointBuilder;
 20  
 import org.mule.api.endpoint.EndpointURI;
 21  
 import org.mule.api.endpoint.InboundEndpoint;
 22  
 import org.mule.api.endpoint.MalformedEndpointException;
 23  
 import org.mule.api.expression.ExpressionManager;
 24  
 import org.mule.api.processor.MessageProcessor;
 25  
 import org.mule.api.transport.Connector;
 26  
 import org.mule.config.i18n.CoreMessages;
 27  
 import org.mule.endpoint.DefaultInboundEndpoint;
 28  
 import org.mule.endpoint.DynamicOutboundEndpoint;
 29  
 import org.mule.endpoint.DynamicURIInboundEndpoint;
 30  
 import org.mule.endpoint.MuleEndpointURI;
 31  
 import org.mule.endpoint.URIBuilder;
 32  
 import org.mule.transport.service.TransportFactory;
 33  
 import org.mule.transport.service.TransportFactoryException;
 34  
 import org.mule.util.TemplateParser;
 35  
 
 36  
 import java.util.Collections;
 37  
 import java.util.HashMap;
 38  
 import java.util.List;
 39  
 import java.util.Map;
 40  
 
 41  
 import org.apache.commons.logging.Log;
 42  
 import org.apache.commons.logging.LogFactory;
 43  
 
 44  
 /**
 45  
  * A dynamic request endpoint is used in conjunction with the {@link org.ibeans.annotation.Call} annotation when there are no {@link org.ibeans.annotation.param.Body},
 46  
  * {@link org.ibeans.annotation.param.BodyParam} or {@link org.ibeans.annotation.param.HeaderParam} annotations
 47  
  * on a method and allows a dynamic {@link org.mule.api.endpoint.InboundEndpoint} to be created.  This endpoint is then used via the Mule {@link org.mule.api.transport.MessageRequester}
 48  
  * interface to make a specific request to a transport for a message.
 49  
  */
 50  
 public class DynamicRequestEndpoint extends DynamicURIInboundEndpoint
 51  
 {
 52  
     public static final String EVAL_PARAM_PROPERTY = "eval.param";
 53  
     /**
 54  
      * logger used by this class
 55  
      */
 56  0
     protected transient final Log logger = LogFactory.getLog(DynamicRequestEndpoint.class);
 57  
     private static final long serialVersionUID = 8861985949279708638L;
 58  
 
 59  0
     protected TemplateParser parser = TemplateParser.createCurlyBracesStyleParser();
 60  
 
 61  
     /**
 62  
      * The URI template used to construct the actual URI to send the message to.
 63  
      */
 64  
     protected String uriTemplate;
 65  
 
 66  
     private EndpointBuilder builder;
 67  
 
 68  
    public DynamicRequestEndpoint(MuleContext muleContext, EndpointBuilder builder, String uriTemplate) throws MalformedEndpointException
 69  
     {
 70  0
         super(new NullInboundEndpoint(muleContext));
 71  0
         this.builder = builder;
 72  0
         this.uriTemplate = uriTemplate;
 73  0
         validateUriTemplate(uriTemplate);
 74  0
     }
 75  
 
 76  
     protected void validateUriTemplate(String uri) throws MalformedEndpointException
 77  
     {
 78  0
         if (uri.indexOf(":") > uri.indexOf(ExpressionManager.DEFAULT_EXPRESSION_PREFIX))
 79  
         {
 80  0
             throw new MalformedEndpointException(CoreMessages.dynamicEndpointsMustSpecifyAScheme(), uri);
 81  
         }
 82  0
     }
 83  
 
 84  
     protected Map<String, Object> getPropertiesForTemplate(MuleMessage message)
 85  
     {
 86  0
         Map<String, Object> props = new HashMap<String, Object>();
 87  
         // Also add the endpoint properties so that users can set fallback values
 88  
         // when the property is not set on the event
 89  0
         props.putAll(this.getProperties());
 90  0
         for (String propertyKey : message.getOutboundPropertyNames())
 91  
         {
 92  0
             props.put(propertyKey, message.getOutboundProperty(propertyKey));
 93  
         }
 94  0
         return props;
 95  
     }
 96  
 
 97  
     protected EndpointURI getEndpointURIForMessage(MuleEvent event) throws MessagingException
 98  
     {
 99  0
         if (logger.isDebugEnabled())
 100  
         {
 101  0
             logger.debug("Uri before parsing is: " + uriTemplate);
 102  
         }
 103  
 
 104  0
         Map<String, Object> props = getPropertiesForTemplate(event.getMessage());
 105  
 
 106  0
         String newUriString = parser.parse(props, uriTemplate);
 107  0
         Object evalParam = props.get(EVAL_PARAM_PROPERTY);
 108  0
         if (evalParam != null)
 109  
         {
 110  0
             newUriString = parseURIString(newUriString, new DefaultMuleMessage(evalParam, getMuleContext()));
 111  
         }
 112  
         else
 113  
         {
 114  0
             newUriString = parseURIString(newUriString, event.getMessage());
 115  
         }
 116  0
         if (logger.isDebugEnabled())
 117  
         {
 118  0
             logger.debug("Uri after parsing is: " + newUriString);
 119  
         }
 120  
 
 121  
         try
 122  
         {
 123  0
             setEndpointURI(new MuleEndpointURI(newUriString, getMuleContext()));
 124  
 
 125  0
             if (!newUriString.startsWith(getEndpointURI().getFullScheme()))
 126  
             {
 127  0
                 throw new MessagingException(CoreMessages.schemeCannotChangeForRouter(
 128  
                         this.getEndpointURI().getScheme(), getEndpointURI().getScheme()), event);
 129  
             }
 130  0
             getEndpointURI().initialise();
 131  0
             return getEndpointURI();
 132  
         }
 133  0
         catch (Exception e)
 134  
         {
 135  0
             throw new MessagingException(
 136  
                     CoreMessages.templateCausedMalformedEndpoint(uriTemplate, newUriString),
 137  
                     event, e);
 138  
         }
 139  
 
 140  
     }
 141  
 
 142  
     protected String parseURIString(String uri, MuleMessage message)
 143  
     {
 144  0
         return this.getMuleContext().getExpressionManager().parse(uri, message, true);
 145  
     }
 146  
 
 147  
     public MuleMessage request(long timeout, MuleEvent event) throws Exception
 148  
     {
 149  0
         EndpointURI uri = getEndpointURIForMessage(event);
 150  
 
 151  0
         if (endpoint instanceof NullInboundEndpoint)
 152  
         {
 153  0
             builder.setURIBuilder(new URIBuilder(uri));
 154  0
             endpoint = builder.buildInboundEndpoint();
 155  
         }
 156  0
         InboundEndpoint inboundEndpoint = new DynamicURIInboundEndpoint(endpoint, uri);
 157  
 
 158  0
         if (event.getMessage().getInvocationProperty(MuleProperties.MULE_CREDENTIALS_PROPERTY) != null)
 159  
         {
 160  0
             inboundEndpoint.getProperties().put(MuleProperties.MULE_CREDENTIALS_PROPERTY, event.getMessage().getInvocationProperty(MuleProperties.MULE_CREDENTIALS_PROPERTY));
 161  
         }
 162  0
         return super.request(timeout);
 163  
     }
 164  
 
 165  
     @Override
 166  
     public boolean equals(Object o)
 167  
     {
 168  0
         if (this == o)
 169  
         {
 170  0
             return true;
 171  
         }
 172  0
         if (o == null || getClass() != o.getClass())
 173  
         {
 174  0
             return false;
 175  
         }
 176  0
         if (!super.equals(o))
 177  
         {
 178  0
             return false;
 179  
         }
 180  
 
 181  0
         DynamicRequestEndpoint that = (DynamicRequestEndpoint) o;
 182  
 
 183  0
         return !(uriTemplate != null ? !uriTemplate.equals(that.uriTemplate) : that.uriTemplate != null);
 184  
 
 185  
     }
 186  
 
 187  
     @Override
 188  
     public int hashCode()
 189  
     {
 190  0
         int result = 0;
 191  0
         result = 31 * result + (uriTemplate != null ? uriTemplate.hashCode() : 0);
 192  0
         return result;
 193  
     }
 194  
 
 195  
     protected static class NullInboundEndpoint extends DefaultInboundEndpoint implements InboundEndpoint
 196  
     {
 197  
         NullInboundEndpoint(MuleContext muleContext)
 198  
         {
 199  0
             super(createDynamicConnector(muleContext), null, null, new HashMap(), null, true, MessageExchangePattern.ONE_WAY, 0, "started", null, null, muleContext, null, null, null, null, true, null);
 200  0
         }
 201  
 
 202  
         @Override
 203  
         public MessageProcessor createMessageProcessorChain(FlowConstruct flowContruct) throws MuleException
 204  
         {
 205  0
             throw new UnsupportedOperationException("createMessageProcessorChain");
 206  
         }
 207  
 
 208  
         public List<String> getResponseProperties()
 209  
         {
 210  0
             return Collections.emptyList();
 211  
         }
 212  
 
 213  
         @SuppressWarnings("unused")
 214  
         public MuleEvent process(MuleEvent event) throws MuleException
 215  
         {
 216  0
             throw new UnsupportedOperationException("process");
 217  
         }
 218  
 
 219  
         static Connector createDynamicConnector(MuleContext muleContext)
 220  
         {
 221  
             try
 222  
             {
 223  0
                 return new TransportFactory(muleContext).createConnector(DynamicOutboundEndpoint.DYNAMIC_URI_PLACEHOLDER);
 224  
             }
 225  0
             catch (TransportFactoryException e)
 226  
             {
 227  
                 //This should never happen
 228  0
                 throw new MuleRuntimeException(e);
 229  
             }
 230  
         }
 231  
     }
 232  
 
 233  
 
 234  
 }