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package org.mule.routing.outbound; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.MuleSession; |
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import org.mule.api.endpoint.EndpointException; |
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import org.mule.api.endpoint.EndpointURI; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.OutboundEndpoint; |
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import org.mule.api.routing.CouldNotRouteOutboundMessageException; |
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import org.mule.api.routing.RoutePathNotFoundException; |
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import org.mule.api.routing.RoutingException; |
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import org.mule.api.routing.filter.Filter; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.endpoint.DynamicURIOutboundEndpoint; |
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import org.mule.endpoint.MuleEndpointURI; |
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import org.mule.util.TemplateParser; |
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|
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Map; |
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41 | 442 | public class FilteringOutboundRouter extends AbstractOutboundRouter |
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{ |
43 | 442 | private List transformers = new LinkedList(); |
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private Filter filter; |
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47 | 442 | private boolean useTemplates = false; |
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50 | 442 | private TemplateParser parser = TemplateParser.createSquareBracesStyleParser(); |
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public MuleMessage route(MuleMessage message, MuleSession session, boolean synchronous) |
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throws RoutingException |
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{ |
55 | 12 | MuleMessage result = null; |
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|
57 | 12 | if (endpoints == null || endpoints.size() == 0) |
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{ |
59 | 0 | throw new RoutePathNotFoundException(CoreMessages.noEndpointsForRouter(), message, null); |
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} |
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62 | 12 | OutboundEndpoint ep = getEndpoint(0, message); |
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|
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try |
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{ |
66 | 12 | if (synchronous) |
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{ |
68 | 2 | result = send(session, message, ep); |
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} |
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else |
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{ |
72 | 10 | dispatch(session, message, ep); |
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} |
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} |
75 | 0 | catch (MuleException e) |
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{ |
77 | 0 | throw new CouldNotRouteOutboundMessageException(message, ep, e); |
78 | 12 | } |
79 | 12 | return result; |
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} |
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public Filter getFilter() |
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{ |
84 | 142 | return filter; |
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} |
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public void setFilter(Filter filter) |
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{ |
89 | 36 | this.filter = filter; |
90 | 36 | } |
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public boolean isMatch(MuleMessage message) throws RoutingException |
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{ |
94 | 70 | if (getFilter() == null) |
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{ |
96 | 16 | return true; |
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} |
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try |
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{ |
100 | 54 | message.applyTransformers(transformers); |
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} |
102 | 0 | catch (TransformerException e) |
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{ |
104 | 0 | throw new RoutingException( |
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CoreMessages.transformFailedBeforeFilter(), |
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message, (ImmutableEndpoint) endpoints.get(0), e); |
107 | 54 | } |
108 | 54 | return getFilter().accept(message); |
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} |
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public List getTransformers() |
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{ |
113 | 0 | return transformers; |
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} |
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public void setTransformers(List transformers) |
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{ |
118 | 2 | this.transformers = transformers; |
119 | 2 | } |
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|
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public void addEndpoint(OutboundEndpoint endpoint) |
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{ |
123 | 96 | if (!useTemplates && parser.isContainsTemplate(endpoint.getEndpointURI().toString())) |
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{ |
125 | 4 | useTemplates = true; |
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} |
127 | 96 | super.addEndpoint(endpoint); |
128 | 96 | } |
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public OutboundEndpoint getEndpoint(int index, MuleMessage message) |
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throws CouldNotRouteOutboundMessageException |
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{ |
144 | 52 | if (!useTemplates) |
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{ |
146 | 42 | return (OutboundEndpoint) endpoints.get(index); |
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} |
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else |
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{ |
150 | 10 | OutboundEndpoint ep = (OutboundEndpoint) endpoints.get(index); |
151 | 10 | String uri = ep.getEndpointURI().toString(); |
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|
153 | 10 | if (logger.isDebugEnabled()) |
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{ |
155 | 0 | logger.debug("Uri before parsing is: " + uri); |
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} |
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158 | 10 | Map props = new HashMap(); |
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|
161 | 10 | props.putAll(ep.getProperties()); |
162 | 10 | for (Iterator iterator = message.getPropertyNames().iterator(); iterator.hasNext();) |
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{ |
164 | 22 | String propertyKey = (String) iterator.next(); |
165 | 22 | props.put(propertyKey, message.getProperty(propertyKey)); |
166 | 22 | } |
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168 | 10 | String newUriString = parser.parse(props, uri); |
169 | 10 | if (logger.isDebugEnabled()) |
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{ |
171 | 0 | logger.debug("Uri after parsing is: " + uri); |
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} |
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|
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try |
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{ |
176 | 10 | EndpointURI newUri = new MuleEndpointURI(newUriString); |
177 | 10 | if (!newUri.getScheme().equalsIgnoreCase(ep.getEndpointURI().getScheme())) |
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{ |
179 | 0 | throw new CouldNotRouteOutboundMessageException(CoreMessages.schemeCannotChangeForRouter( |
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ep.getEndpointURI().getScheme(), newUri.getScheme()), message, ep); |
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} |
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|
183 | 10 | return new DynamicURIOutboundEndpoint(ep, newUri); |
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} |
185 | 0 | catch (EndpointException e) |
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{ |
187 | 0 | throw new CouldNotRouteOutboundMessageException( |
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CoreMessages.templateCausedMalformedEndpoint(uri, newUriString), |
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message, ep, e); |
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} |
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} |
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} |
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public boolean isUseTemplates() |
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{ |
196 | 4 | return useTemplates; |
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} |
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public void setUseTemplates(boolean useTemplates) |
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{ |
201 | 0 | this.useTemplates = useTemplates; |
202 | 0 | } |
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} |