1 files changed, 81 insertions, 0 deletions
diff --git a/branches/sca-java-1.0.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeIncludeBuilderImpl.java b/branches/sca-java-1.0.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeIncludeBuilderImpl.java
new file mode 100644
index 0000000000..ced482dbf6
--- /dev/null
+++ b/branches/sca-java-1.0.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/CompositeIncludeBuilderImpl.java
@@ -0,0 +1,81 @@
+/*
+ * 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.assembly.builder.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Composite;
+import org.apache.tuscany.sca.assembly.builder.CompositeBuilderMonitor;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+
+public class CompositeIncludeBuilderImpl {
+    
+    public CompositeIncludeBuilderImpl(CompositeBuilderMonitor monitor) {
+    }
+
+    /**
+     * Collect all includes in a graph of includes.
+     * 
+     * @param composite
+     * @param includes
+     */
+    private void collectIncludes(Composite composite, List<Composite> includes) {
+        for (Composite include : composite.getIncludes()) {
+            includes.add(include);
+            collectIncludes(include, includes);
+        }
+    }
+
+    /**
+     * Copy a list of includes into a composite.
+     * 
+     * @param composite
+     */
+    public void fuseIncludes(Composite composite) {
+    
+        // First collect all includes
+        List<Composite> includes = new ArrayList<Composite>();
+        collectIncludes(composite, includes);
+    
+        // Then clone them
+        for (Composite include : includes) {
+            Composite clone;
+            try {
+                clone = (Composite)include.clone();
+            } catch (CloneNotSupportedException e) {
+                throw new RuntimeException(e);
+            }
+            composite.getComponents().addAll(clone.getComponents());
+            composite.getServices().addAll(clone.getServices());
+            composite.getReferences().addAll(clone.getReferences());
+            composite.getProperties().addAll(clone.getProperties());
+            composite.getWires().addAll(clone.getWires());
+            if ( composite instanceof PolicySetAttachPoint ) {
+                ((PolicySetAttachPoint)composite).getPolicySets().addAll(((PolicySetAttachPoint)clone).getPolicySets());
+                ((PolicySetAttachPoint)composite).getRequiredIntents().addAll(((PolicySetAttachPoint)clone).getRequiredIntents());
+            }
+        }
+    
+        // Clear the list of includes
+        composite.getIncludes().clear();
+    }
+
+}