1 files changed, 135 insertions, 0 deletions
diff --git a/tags/java/sca/1.5.1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/impl/WebImplementationImpl.java b/tags/java/sca/1.5.1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/impl/WebImplementationImpl.java
new file mode 100644
index 0000000000..bd48f7a521
--- /dev/null
+++ b/tags/java/sca/1.5.1/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/impl/WebImplementationImpl.java
@@ -0,0 +1,135 @@
+/*
+ * 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.implementation.web.impl;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.assembly.builder.ComponentPreProcessor;
+import org.apache.tuscany.sca.assembly.impl.ImplementationImpl;
+import org.apache.tuscany.sca.implementation.web.WebImplementation;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+
+/**
+ * The model representing an Web implementation in an SCA assembly model.
+ */
+class WebImplementationImpl extends ImplementationImpl implements WebImplementation, ComponentPreProcessor {
+
+    private String webURI;
+
+    /**
+     * Constructs a new Web implementation.
+     */
+    WebImplementationImpl() {
+        super();
+    }
+
+    @Override
+    public ConstrainingType getConstrainingType() {
+        // The Web implementation does not support constrainingTypes
+        return null;
+    }
+
+    @Override
+    public List<Service> getServices() {
+        // The Web implementation does not offer services
+        return Collections.emptyList();
+    }
+    
+    @Override
+    public void setConstrainingType(ConstrainingType constrainingType) {
+        // The Web implementation does not support constrainingTypes
+    }
+
+    public String getWebURI() {
+        return webURI;
+    }
+
+    public void setWebURI(String webURI) {
+        this.webURI = webURI;
+    }
+
+    /**
+     * Use preProcess to add any references and properties dynamically
+     * TODO: also support introspection and handle WEB-INF/web.componentType (spec line 503) 
+     */
+    public void preProcess(Component component) {
+        if (!(component instanceof RuntimeComponent)) {
+            return;
+        }
+        RuntimeComponent rtc = (RuntimeComponent) component;
+        
+        for (Reference reference : rtc.getReferences()) {
+            if (getReference(reference.getName()) == null) {
+                getReferences().add(createReference(reference));
+            }
+        }
+
+        for (Property property : rtc.getProperties()) {
+            if (getProperty(property.getName()) == null) {
+                getProperties().add(createProperty(property));
+            }
+        }
+    }
+
+    protected Reference getReference(String name) {
+        for (Reference reference : getReferences()) {
+            if (reference.getName().equals(name)) {
+                return reference;
+            }
+        }
+        return null;
+    }
+
+    protected Reference createReference(Reference reference) {
+        Reference newReference;
+        try {
+            newReference = (Reference)reference.clone();
+        } catch (CloneNotSupportedException e) {
+            throw new AssertionError(e); // should not ever happen
+        }
+        return newReference;
+    }
+
+    protected Property getProperty(String name) {
+        for (Property property : getProperties()) {
+            if (property.getName().equals(name)) {
+                return property;
+            }
+        }
+        return null;
+    }
+
+    protected Property createProperty(Property property) {
+        Property newProperty;
+        try {
+            newProperty = (Property)property.clone();
+        } catch (CloneNotSupportedException e) {
+            throw new AssertionError(e); // should not ever happen
+        }
+        return newProperty;
+    }
+
+}