1 files changed, 112 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6-TUSCANY-3909/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointResolverImpl.java b/sca-java-1.x/tags/1.6-TUSCANY-3909/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointResolverImpl.java
new file mode 100644
index 0000000000..b76c4b82f0
--- /dev/null
+++ b/sca-java-1.x/tags/1.6-TUSCANY-3909/endpoint/src/main/java/org/apache/tuscany/sca/endpoint/impl/EndpointResolverImpl.java
@@ -0,0 +1,112 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.endpoint.impl;
+
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+
+import org.apache.tuscany.sca.assembly.Binding;
+import org.apache.tuscany.sca.assembly.Endpoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolver;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactory;
+import org.apache.tuscany.sca.endpointresolver.EndpointResolverFactoryExtensionPoint;
+
+
+/** 
+ * The endpoint resolver allows unresolved endpoints to be plumbed into
+ * the runtime start and message send processing as a hook to late resolution
+ * of target services
+ * 
+ * @version $Rev$ $Date$
+ */
+public class EndpointResolverImpl implements EndpointResolver {
+
+    private final static Logger logger = Logger.getLogger(EndpointResolverImpl.class.getName());
+
+    private Endpoint endpoint;
+    private List<EndpointResolver> endpointResolvers = new ArrayList<EndpointResolver>();    
+
+    public EndpointResolverImpl(ExtensionPointRegistry extensionPoints,
+                                Endpoint endpoint) {
+        this.endpoint = endpoint;
+        
+        EndpointResolverFactoryExtensionPoint resolverFactories = 
+            extensionPoints.getExtensionPoint(EndpointResolverFactoryExtensionPoint.class);
+        
+        for (Binding binding : endpoint.getCandidateBindings()){
+            EndpointResolverFactory resolverFactory = resolverFactories.getEndpointResolverFactory(binding.getClass());
+            
+            // if the binding in question has a endpoint resolver factory they try and 
+            // create an endpoint resolver
+            if (resolverFactory != null){
+                EndpointResolver resolver = resolverFactory.createEndpointResolver(endpoint, binding);
+                
+                if (resolver != null){
+                    endpointResolvers.add(resolver);
+                }
+            }
+        }
+    }
+    
+    public void start(){
+        // do nothing
+    }
+    
+    public void stop(){
+        // do nothing
+    }    
+
+    public void resolve() {
+        if (endpoint.isUnresolved()){
+            // Resolve the endpoint binding here
+            
+            // first do any general resolution that's required
+            
+            // ask the bindings to resolve the endpoint one by one
+            for (EndpointResolver resolver : endpointResolvers){
+                resolver.resolve();
+                if (endpoint.isUnresolved() != true){
+                    break;
+                }
+            }
+            
+            if (endpoint.isUnresolved()){
+                // TODO: TUSCANY-2580: if its still unresolved use the first candidate binding
+                endpoint.setSourceBinding(endpoint.getCandidateBindings().get(0));
+                endpoint.getSourceBinding().setURI(endpoint.getTargetName());
+            }
+
+            if (endpoint.isUnresolved() != true){
+                // If we have to build the endpoint because we are matching
+                // intents and policies then we do that now. If the binding
+                // is just configured by setting its uri we can just do local binding
+                // configuration here
+                
+                // EndpointBuilderImpl.build(endpoint);
+            } else {
+                // raise an exception saying the endpoint can't be resolved
+            }
+        }
+    }
+
+}