1 files changed, 68 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/impl/MessageChannelImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/impl/MessageChannelImpl.java
new file mode 100644
index 0000000000..6c0b15a823
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/core/src/main/java/org/apache/tuscany/core/invocation/impl/MessageChannelImpl.java
@@ -0,0 +1,68 @@
+/**
+ *
+ *  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.invocation.impl;
+
+import java.util.List;
+
+import org.apache.tuscany.core.invocation.MessageChannel;
+import org.apache.tuscany.core.invocation.MessageHandler;
+import org.apache.tuscany.core.message.Message;
+
+/**
+ * A channel comprising an ordered collection of message handlers.
+ *
+ *@see org.apache.tuscany.core.message.Message
+ * @version $Rev$ $Date$
+ */
+public class MessageChannelImpl implements MessageChannel {
+
+    private final List<MessageHandler> pipeline;
+
+    //----------------------------------
+    // Constructors
+    //----------------------------------
+
+    /**
+     * Construct a new channel comprising the supplied list of handlers.
+     *
+     * @param pipeline the Handlers in the channel
+     */
+    public MessageChannelImpl(List<MessageHandler> pipeline) {
+        this.pipeline = pipeline;
+    }
+
+    //----------------------------------
+    // Methods
+    //----------------------------------
+
+    /**
+     * Send a message down the channel. The message will be processed by all handlers
+     * in order until one returns false to indicate processing is complete or all
+     * handlers have been called.
+     *
+     * @param msg a Message to send down the channel
+     */
+    public void send(Message msg) {
+        if (pipeline!=null) {
+            for (MessageHandler handler : pipeline) {
+                if (!handler.processMessage(msg)) {
+                    break;
+                }
+            }
+        }
+    }
+}