Coverage Report - org.mule.routing.outbound.FilteringOutboundRouter
 
Classes in this File Line Coverage Branch Coverage Complexity
FilteringOutboundRouter
0%
0/58
0%
0/10
3
 
 1  
 /*
 2  
  * $Id: FilteringOutboundRouter.java 7976 2007-08-21 14:26:13Z dirk.olmes $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.routing.outbound;
 12  
 
 13  
 import org.mule.config.i18n.CoreMessages;
 14  
 import org.mule.impl.MuleMessage;
 15  
 import org.mule.impl.endpoint.MuleEndpointURI;
 16  
 import org.mule.umo.UMOException;
 17  
 import org.mule.umo.UMOFilter;
 18  
 import org.mule.umo.UMOMessage;
 19  
 import org.mule.umo.UMOSession;
 20  
 import org.mule.umo.endpoint.EndpointException;
 21  
 import org.mule.umo.endpoint.UMOEndpoint;
 22  
 import org.mule.umo.endpoint.UMOEndpointURI;
 23  
 import org.mule.umo.routing.CouldNotRouteOutboundMessageException;
 24  
 import org.mule.umo.routing.RoutePathNotFoundException;
 25  
 import org.mule.umo.routing.RoutingException;
 26  
 import org.mule.umo.transformer.TransformerException;
 27  
 import org.mule.umo.transformer.UMOTransformer;
 28  
 import org.mule.util.TemplateParser;
 29  
 
 30  
 import java.util.HashMap;
 31  
 import java.util.Iterator;
 32  
 import java.util.Map;
 33  
 
 34  
 /**
 35  
  * <code>FilteringRouter</code> is a router that accepts events based on a filter
 36  
  * set.
 37  
  */
 38  
 
 39  0
 public class FilteringOutboundRouter extends AbstractOutboundRouter
 40  
 {
 41  
     private UMOTransformer transformer;
 42  
 
 43  
     private UMOFilter filter;
 44  
 
 45  0
     private boolean useTemplates = false;
 46  
 
 47  
     // We used Square templates as they can exist as part of an URI.
 48  0
     private TemplateParser parser = TemplateParser.createSquareBracesStyleParser();
 49  
 
 50  
     public UMOMessage route(UMOMessage message, UMOSession session, boolean synchronous)
 51  
         throws RoutingException
 52  
     {
 53  0
         UMOMessage result = null;
 54  
 
 55  0
         if (endpoints == null || endpoints.size() == 0)
 56  
         {
 57  0
             throw new RoutePathNotFoundException(CoreMessages.noEndpointsForRouter(), message, null);
 58  
         }
 59  
 
 60  0
         UMOEndpoint ep = getEndpoint(0, message);
 61  
 
 62  
         try
 63  
         {
 64  0
             if (synchronous)
 65  
             {
 66  0
                 result = send(session, message, ep);
 67  
             }
 68  
             else
 69  
             {
 70  0
                 dispatch(session, message, ep);
 71  
             }
 72  
         }
 73  0
         catch (UMOException e)
 74  
         {
 75  0
             throw new CouldNotRouteOutboundMessageException(message, ep, e);
 76  0
         }
 77  0
         return result;
 78  
     }
 79  
 
 80  
     public UMOFilter getFilter()
 81  
     {
 82  0
         return filter;
 83  
     }
 84  
 
 85  
     public void setFilter(UMOFilter filter)
 86  
     {
 87  0
         this.filter = filter;
 88  0
     }
 89  
 
 90  
     public boolean isMatch(UMOMessage message) throws RoutingException
 91  
     {
 92  0
         if (getFilter() == null)
 93  
         {
 94  0
             return true;
 95  
         }
 96  0
         if (transformer != null)
 97  
         {
 98  
             try
 99  
             {
 100  0
                 Object payload = transformer.transform(message.getPayload());
 101  0
                 message = new MuleMessage(payload, message);
 102  
             }
 103  0
             catch (TransformerException e)
 104  
             {
 105  0
                 throw new RoutingException(
 106  
                     CoreMessages.transformFailedBeforeFilter(),
 107  
                     message, (UMOEndpoint) endpoints.get(0), e);
 108  0
             }
 109  
         }
 110  0
         return getFilter().accept(message);
 111  
     }
 112  
 
 113  
     public UMOTransformer getTransformer()
 114  
     {
 115  0
         return transformer;
 116  
     }
 117  
 
 118  
     public void setTransformer(UMOTransformer transformer)
 119  
     {
 120  0
         this.transformer = transformer;
 121  0
     }
 122  
 
 123  
     public void addEndpoint(UMOEndpoint endpoint)
 124  
     {
 125  0
         if (!useTemplates && parser.isContainsTemplate(endpoint.getEndpointURI().toString()))
 126  
         {
 127  0
             useTemplates = true;
 128  
         }
 129  0
         super.addEndpoint(endpoint);
 130  0
     }
 131  
 
 132  
     /**
 133  
      * Will Return the endpont at the given index and will resolve any template tags
 134  
      * on the Endpoint URI if necessary
 135  
      * 
 136  
      * @param index the index of the endpoint to get
 137  
      * @param message the current message. This is required if template matching is
 138  
      *            being used
 139  
      * @return the endpoint at the index, with any template tags resolved
 140  
      * @throws CouldNotRouteOutboundMessageException if the template causs the
 141  
      *             endpoint to become illegal or malformed
 142  
      */
 143  
     public UMOEndpoint getEndpoint(int index, UMOMessage message)
 144  
         throws CouldNotRouteOutboundMessageException
 145  
     {
 146  0
         if (!useTemplates)
 147  
         {
 148  0
             return (UMOEndpoint) endpoints.get(index);
 149  
         }
 150  
         else
 151  
         {
 152  0
             UMOEndpoint ep = (UMOEndpoint) endpoints.get(index);
 153  0
             String uri = ep.getEndpointURI().toString();
 154  0
             if (logger.isDebugEnabled())
 155  
             {
 156  0
                 logger.debug("Uri before parsing is: " + uri);
 157  
             }
 158  0
             Map props = new HashMap();
 159  
             // Also add the endpoint propertie so that users can set fallback values
 160  
             // when the property is not set on the event
 161  0
             props.putAll(ep.getProperties());
 162  0
             for (Iterator iterator = message.getPropertyNames().iterator(); iterator.hasNext();)
 163  
             {
 164  0
                 String propertyKey = (String) iterator.next();
 165  0
                 props.put(propertyKey, message.getProperty(propertyKey));
 166  
             }
 167  0
             String newUriString = parser.parse(props, uri);
 168  0
             if (logger.isDebugEnabled())
 169  
             {
 170  0
                 logger.debug("Uri after parsing is: " + uri);
 171  
             }
 172  
             try
 173  
             {
 174  0
                 UMOEndpointURI newUri = new MuleEndpointURI(newUriString);
 175  0
                 if (!newUri.getScheme().equalsIgnoreCase(ep.getEndpointURI().getScheme()))
 176  
                 {
 177  0
                     throw new CouldNotRouteOutboundMessageException(
 178  
                         CoreMessages.schemeCannotChangeForRouter(ep.getEndpointURI().getScheme(),
 179  
                         newUri.getScheme()), message, ep);
 180  
                 }
 181  0
                 ep.setEndpointURI(newUri);
 182  
             }
 183  0
             catch (EndpointException e)
 184  
             {
 185  0
                 throw new CouldNotRouteOutboundMessageException(
 186  
                     CoreMessages.templateCausedMalformedEndpoint(uri, newUriString), 
 187  
                     message, ep, e);
 188  0
             }
 189  
 
 190  0
             return ep;
 191  
         }
 192  
     }
 193  
 
 194  
     public boolean isUseTemplates()
 195  
     {
 196  0
         return useTemplates;
 197  
     }
 198  
 
 199  
     public void setUseTemplates(boolean useTemplates)
 200  
     {
 201  0
         this.useTemplates = useTemplates;
 202  0
     }
 203  
 }