1 files changed, 259 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java
new file mode 100644
index 0000000000..a5d4adb1bb
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java
@@ -0,0 +1,259 @@
+/*
+ * 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.spring;
+
+import java.net.URL;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Component;
+import org.apache.tuscany.sca.assembly.ComponentType;
+import org.apache.tuscany.sca.assembly.Extensible;
+import org.apache.tuscany.sca.assembly.Implementation;
+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.impl.ImplementationImpl;
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+
+/**
+ * Represents a Spring implementation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class SpringImplementation extends ImplementationImpl implements Implementation, Extensible {
+    public final static QName TYPE = new QName(SCA11_NS, "implementation.spring");
+    // The location attribute which points to the Spring application-context XML file
+    private String location;
+    // The application-context file as a Spring Resource
+    private List<URL> resource;
+    private ComponentType componentType;
+    // Mapping of Services to Beans
+    private Map<String, SpringBeanElement> serviceMap;
+    // Mapping of property names to Java class
+    private Map<String, Class<?>> propertyMap;
+    // List of unresolved bean property references
+    private Map<String, Reference> unresolvedBeanRef;
+    private ClassLoader classLoader;
+
+    public SpringImplementation() {
+        super(TYPE);
+        this.location = null;
+        this.resource = null;
+        setUnresolved(true);
+        serviceMap = new HashMap<String, SpringBeanElement>();
+        propertyMap = new HashMap<String, Class<?>>();
+        unresolvedBeanRef = new HashMap<String, Reference>();
+    } // end method SpringImplementation
+
+    /* Returns the location attribute for this Spring implementation */
+    public String getLocation() {
+        return location;
+    }
+
+    /**
+     * Sets the location attribute for this Spring implementation
+     * location - a URI to the Spring application-context file
+     */
+    public void setLocation(String location) {
+        this.location = location;
+        return;
+    }
+
+    public void setResource(List<URL> resource) {
+        this.resource = resource;
+    }
+
+    public List<URL> getResource() {
+        return resource;
+    }
+
+    /*
+     * Returns the componentType for this Spring implementation
+     */
+    public ComponentType getComponentType() {
+        return componentType;
+    }
+
+    /*
+     * Sets the componentType for this Spring implementation
+     */
+    public void setComponentType(ComponentType componentType) {
+        this.componentType = componentType;
+    }
+
+    @Override
+    public List<Service> getServices() {
+        return componentType.getServices();
+    }
+
+    @Override
+    public List<Reference> getReferences() {
+        return componentType.getReferences();
+    }
+
+    @Override
+    public List<Property> getProperties() {
+        return componentType.getProperties();
+    }
+
+    /**
+     * Returns the Spring Bean which implements a particular service
+     * @param service the service
+     * @return the bean which implements the service, as a SpringBeanElement
+     */
+    public SpringBeanElement getBeanFromService(Service service) {
+        SpringBeanElement theBean = serviceMap.get(service.getName());
+        return theBean;
+    }
+
+    /**
+     * Sets the mapping from a service to the Spring Bean that implements the service
+     * @param service the service
+     * @param theBean a SpringBeanElement for the Bean implementing the service
+     */
+    public void setBeanForService(Service service, SpringBeanElement theBean) {
+        serviceMap.put(service.getName(), theBean);
+    }
+
+    /**
+     * Add a mapping from a SCA property name to a Java class for the property
+     * @param propertyName
+     * @param propertyClass
+     */
+    public void setPropertyClass(String propertyName, Class<?> propertyClass) {
+        if (propertyName == null || propertyClass == null)
+            return;
+        propertyMap.put(propertyName, propertyClass);
+        return;
+    } // end method setPropertyClass
+
+    /**
+     * Gets the Java Class for an SCA property
+     * @param propertyName - the property name
+     * @return - a Class object for the type of the property
+     */
+    public Class<?> getPropertyClass(String propertyName) {
+        return propertyMap.get(propertyName);
+    } // end method getPropertyClass
+
+    public void setUnresolvedBeanRef(String refName, Reference reference) {
+        if (refName == null || reference == null)
+            return;
+        unresolvedBeanRef.put(refName, reference);
+        return;
+    } // end method setUnresolvedBeanRef
+
+    public Reference getUnresolvedBeanRef(String refName) {
+        return unresolvedBeanRef.get(refName);
+    } // end method getUnresolvedBeanRef
+
+    /**
+     * Use preProcess to validate and map the references and properties dynamically
+     */
+    public void build(Component component) {
+
+        for (Reference reference : component.getReferences()) {
+            if (unresolvedBeanRef.containsKey(reference.getName())) {
+                Reference ref = unresolvedBeanRef.get(reference.getName());
+                componentType.getReferences().add(createReference(reference, ref.getInterfaceContract()));
+                unresolvedBeanRef.remove(reference.getName());
+            }
+        }
+
+        for (Property property : component.getProperties()) {
+            if (unresolvedBeanRef.containsKey(property.getName())) {
+                componentType.getProperties().add(createProperty(property));
+                this.setPropertyClass(property.getName(), property.getClass());
+                unresolvedBeanRef.remove(property.getName());
+            }
+        }
+    }
+
+    protected Reference createReference(Reference reference, InterfaceContract interfaze) {
+        Reference newReference;
+        try {
+            newReference = (Reference)reference.clone();
+            if (newReference.getInterfaceContract() == null)
+                newReference.setInterfaceContract(interfaze);
+        } catch (CloneNotSupportedException e) {
+            throw new AssertionError(e); // should not ever happen
+        }
+        return newReference;
+    }
+
+    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;
+    }
+
+    public ClassLoader getClassLoader() {
+        return classLoader;
+    }
+
+    public void setClassLoader(ClassLoader classLoader) {
+        this.classLoader = classLoader;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + ((location == null) ? 0 : location.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!super.equals(obj)) {
+            return false;
+        }
+        if (!(obj instanceof SpringImplementation)) {
+            return false;
+        }
+        SpringImplementation other = (SpringImplementation)obj;
+        if (location == null) {
+            if (other.location != null) {
+                return false;
+            }
+        } else if (!location.equals(other.location)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        builder.append("SpringImplementation [location=").append(location).append(", resource=").append(resource)
+            .append("]");
+        return builder.toString();
+    }
+}