1 files changed, 131 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/SourceInvocationConfiguration.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/SourceInvocationConfiguration.java
new file mode 100644
index 0000000000..80e1450a0d
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/SourceInvocationConfiguration.java
@@ -0,0 +1,131 @@
+/**
+ *
+ * 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.wire;
+
+import org.apache.tuscany.core.wire.impl.MessageChannelImpl;
+import org.apache.tuscany.core.wire.impl.MessageDispatcher;
+import org.apache.tuscany.core.wire.impl.RequestResponseInterceptor;
+
+import java.lang.reflect.Method;
+
+/**
+ * Contains a source-side invocation pipeline for a service operation.
+ *
+ * @version $Rev: 394379 $ $Date: 2006-04-15 15:01:36 -0700 (Sat, 15 Apr 2006) $
+ */
+public class SourceInvocationConfiguration extends InvocationConfiguration {
+
+    // the pointer to the bridged target head interceptor or null if the target has no interceptors
+    private Interceptor targetInterceptorChainHead;
+
+    // the pointer to bridged target request channel, or null if the target has an interceptor
+    private MessageChannel targetRequestChannel;
+
+    // the pointer to bridged target response channel, or null if the target has an interceptor
+    private MessageChannel targetResponseChannel;
+
+    /**
+     * Creates an new wire configuration for the given service reference operation
+     *
+     * @param operation the method on the interface representing specified by the reference, where the method corresponds to the
+     *                  service operation
+     */
+    public SourceInvocationConfiguration(Method operation) {
+        super(operation);
+    }
+
+    /**
+     * Sets the head interceptor of the target-side configuration for the wire. Used when the runtime bridges source and target
+     * chains.
+     *
+     * @param interceptor
+     */
+    public void setTargetInterceptor(Interceptor interceptor) {
+        targetInterceptorChainHead = interceptor;
+    }
+
+    /**
+     * Returns the head target-side interceptor. This will be the head interceptor of the "bridged" target configuration.
+     */
+    public Interceptor getTargetInterceptor() {
+        return targetInterceptorChainHead;
+    }
+
+    /**
+     * Sets the target-side request channel. Used when the runtime bridges source and target chains.
+     */
+    public void setTargetRequestChannel(MessageChannel channel) {
+        targetRequestChannel = channel;
+    }
+
+    /**
+     * Sets the target-side response channel. Used when the runtime bridges source and target chains.
+     */
+    public void setTargetResponseChannel(MessageChannel channel) {
+        targetResponseChannel = channel;
+    }
+
+    /**
+     * Prepares the configuration by linking interceptors and handlers
+     */
+    @Override
+    public void build() {
+
+        if (requestHandlers != null && targetInterceptorChainHead != null) {
+            // on target-side, connect existing handlers and interceptors
+            MessageHandler messageDispatcher = new MessageDispatcher(targetInterceptorChainHead);
+            requestHandlers.add(messageDispatcher);
+        }
+
+        if (requestHandlers != null) {
+            MessageChannel requestChannel = new MessageChannelImpl(requestHandlers);
+            MessageChannel responseChannel = new MessageChannelImpl(responseHandlers);
+            Interceptor channelInterceptor = new RequestResponseInterceptor(requestChannel, targetRequestChannel,
+                    responseChannel, targetResponseChannel);
+
+            if (interceptorChainHead != null) {
+                interceptorChainTail.setNext(channelInterceptor);
+            } else {
+                interceptorChainHead = channelInterceptor;
+            }
+
+        } else {
+            // no request handlers
+            if (interceptorChainHead != null) {
+                if (targetInterceptorChainHead != null) {
+                    // Connect source interceptor chain directly to target interceptor chain
+                    interceptorChainTail.setNext(targetInterceptorChainHead);
+                    // interceptorChainTail = targetInterceptorChainHead;
+                } else {
+                    // Connect source interceptor chain to the target request channel
+                    Interceptor channelInterceptor = new RequestResponseInterceptor(null, targetRequestChannel, null,
+                            targetResponseChannel);
+                    interceptorChainTail.setNext(channelInterceptor);
+                }
+            } else {
+                // no source interceptor chain or source handlers, conntect to target interceptor chain or channel
+                if (targetInterceptorChainHead != null) {
+                    interceptorChainHead = targetInterceptorChainHead;
+                    interceptorChainTail = targetInterceptorChainHead;
+                } else {
+                    Interceptor channelInterceptor = new RequestResponseInterceptor(null, targetRequestChannel, null,
+                            targetResponseChannel);
+                    interceptorChainHead = channelInterceptor;
+                    interceptorChainTail = channelInterceptor;
+                }
+            }
+        }
+    }
+
+}