1 files changed, 111 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java
new file mode 100644
index 0000000000..58d7a626a6
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/extension/EntryPointBuilderSupport.java
@@ -0,0 +1,111 @@
+/**
+ *
+ * Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
+ *
+ * Licensed 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.core.extension;
+
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+
+import org.apache.tuscany.core.builder.BuilderException;
+import org.apache.tuscany.core.builder.ContextFactoryBuilder;
+import org.apache.tuscany.core.builder.ContextFactoryBuilderRegistry;
+import org.apache.tuscany.core.message.MessageFactory;
+import org.apache.tuscany.core.system.annotation.Autowire;
+import org.apache.tuscany.core.wire.SourceWireFactory;
+import org.apache.tuscany.core.wire.service.WireFactoryService;
+import org.apache.tuscany.model.assembly.AssemblyObject;
+import org.apache.tuscany.model.assembly.Binding;
+import org.apache.tuscany.model.assembly.ConfiguredService;
+import org.apache.tuscany.model.assembly.EntryPoint;
+import org.apache.tuscany.model.assembly.Service;
+import org.osoa.sca.annotations.Init;
+
+/**
+ * A base class for a {@link ContextFactoryBuilder} that creates {@link org.apache.tuscany.core.context.EntryPointContext}s
+ *
+ * @version $$Rev$$ $$Date$$
+ */
+public abstract class EntryPointBuilderSupport<T extends Binding> implements ContextFactoryBuilder {
+
+    protected ContextFactoryBuilderRegistry builderRegistry;
+    protected WireFactoryService wireService;
+    protected MessageFactory messageFactory;
+    protected Class bindingClass;
+
+    public EntryPointBuilderSupport() {
+        // reflect the generic type of the subclass
+        Type type = this.getClass().getGenericSuperclass();
+        if (type instanceof ParameterizedType) {
+            bindingClass = (Class) ((ParameterizedType) type).getActualTypeArguments()[0];
+        } else {
+            throw new AssertionError("Subclasses of " + ContextFactoryBuilderSupport.class.getName() + " must be genericized");
+        }
+    }
+
+    @Init(eager = true)
+    public void init() throws Exception {
+        builderRegistry.register(this);
+    }
+
+    @Autowire
+    public void setBuilderRegistry(ContextFactoryBuilderRegistry registry) {
+        builderRegistry = registry;
+    }
+
+    @Autowire
+    public void setWireService(WireFactoryService wireService) {
+        this.wireService = wireService;
+    }
+
+    /**
+     * Sets the factory used to construct wire messages
+     *
+     * @param msgFactory
+     */
+    @Autowire
+    public void setMessageFactory(MessageFactory msgFactory) {
+        this.messageFactory = msgFactory;
+    }
+
+    public void build(AssemblyObject object) throws BuilderException {
+        if (!(object instanceof EntryPoint)) {
+            return;
+        }
+        EntryPoint entryPoint = (EntryPoint) object;
+        if (entryPoint.getBindings().size() < 1) {
+            return;
+        }
+        if (!bindingClass.isAssignableFrom(entryPoint.getBindings().get(0).getClass())) {
+            return;
+        }
+
+        EntryPointContextFactory contextFactory = createEntryPointContextFactory(entryPoint, messageFactory);
+        ConfiguredService configuredService = entryPoint.getConfiguredService();
+        Service service = configuredService.getPort();
+        SourceWireFactory wireFactory = wireService.createSourceFactory(entryPoint.getConfiguredReference()).get(0);
+        contextFactory.addSourceWireFactory(service.getName(), wireFactory);
+        entryPoint.setContextFactory(contextFactory);
+    }
+
+    /**
+     * Callback to create the specific <code>ContextFactory</code> type associated with the extending
+     * implementation
+     *
+     * @param entryPoint the entry point being processed
+     * @param msgFactory the message factory to be used by <code>EntryPointContext</code> when flowing
+     *                   invocations
+     */
+    protected abstract EntryPointContextFactory createEntryPointContextFactory(EntryPoint entryPoint, MessageFactory msgFactory);
+
+
+}