1 files changed, 198 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-stable-20060304/sca/model/src/main/java/org/apache/tuscany/model/scdl/loader/impl/SCDLAssemblyModelLoaderImpl.java b/sca-java-1.x/tags/java-stable-20060304/sca/model/src/main/java/org/apache/tuscany/model/scdl/loader/impl/SCDLAssemblyModelLoaderImpl.java
new file mode 100644
index 0000000000..cfe8b260ee
--- /dev/null
+++ b/sca-java-1.x/tags/java-stable-20060304/sca/model/src/main/java/org/apache/tuscany/model/scdl/loader/impl/SCDLAssemblyModelLoaderImpl.java
@@ -0,0 +1,198 @@
+/**
+ *
+ *  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.model.scdl.loader.impl;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import javax.wsdl.Definition;
+import javax.wsdl.WSDLException;
+import javax.wsdl.factory.WSDLFactory;
+import javax.wsdl.xml.WSDLReader;
+
+import org.apache.tuscany.common.resource.ResourceLoader;
+import org.apache.tuscany.model.assembly.AssemblyModelContext;
+import org.apache.tuscany.model.assembly.ComponentType;
+import org.apache.tuscany.model.assembly.Module;
+import org.apache.tuscany.model.assembly.ModuleFragment;
+import org.apache.tuscany.model.assembly.Subsystem;
+import org.apache.tuscany.model.assembly.loader.AssemblyModelLoader;
+import org.apache.tuscany.model.scdl.loader.SCDLModelLoader;
+import org.apache.tuscany.model.util.ModelTransformer;
+import org.apache.tuscany.model.util.ModelTransformerImpl;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+/**
+ */
+public class SCDLAssemblyModelLoaderImpl implements AssemblyModelLoader {
+    
+    private SCDLXMLReader xmlReader=new SCDLXMLReader();
+    private WSDLReader wsdlReader;
+    private AssemblyModelContext modelContext;
+    
+    private List<SCDLModelLoader> scdlModelLoaders;
+    
+    private Map<String, ComponentType> componentTypes=new HashMap<String, ComponentType>();
+    private Map<String, Module> modules=new HashMap<String, Module>();
+    private Map<String, ModuleFragment> moduleFragments=new HashMap<String, ModuleFragment>();
+    private Map<String, Subsystem> subsystems=new HashMap<String, Subsystem>();
+    private Map<String, Definition> definitions=new HashMap<String, Definition>();
+    private Map<String, List<Definition>> definitionsByNamespace=new HashMap<String, List<Definition>>();
+    
+    /**
+     * Constructor
+     */
+    public SCDLAssemblyModelLoaderImpl(List<SCDLModelLoader> loaders) {
+        scdlModelLoaders=loaders!=null? loaders:new ArrayList<SCDLModelLoader>(); 
+    }
+    
+    /**
+     * @param modelContext The modelContext to set.
+     */
+    public void setModelContext(AssemblyModelContext modelContext) {
+        this.modelContext = modelContext;
+    }
+
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadComponentType(java.lang.String)
+     */
+    public ComponentType loadComponentType(String uri) {
+        ComponentType componentType=componentTypes.get(uri);
+        if (componentType!=null)
+            return componentType;
+
+        // Load the SCDL component type
+        org.apache.tuscany.model.scdl.ComponentType scdlComponentType=xmlReader.getComponentType(uri);
+        
+        // Transform it to an assembly component type
+        componentType=transform(scdlComponentType).getComponentType();
+        
+        componentTypes.put(uri, componentType);
+        return componentType;
+    }
+
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadModule(java.lang.String)
+     */
+    public Module loadModule(String uri) {
+        Module module=modules.get(uri);
+        if (module!=null)
+            return module;
+
+        // Load the SCDL module
+        org.apache.tuscany.model.scdl.Module scdlModule=xmlReader.getModule(uri);
+        
+        // Transform it to an assembly module
+        module=transform(scdlModule).getModule();
+        
+        modules.put(uri, module);
+        return module;
+    }
+
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadModuleFragment(java.lang.String)
+     */
+    public ModuleFragment loadModuleFragment(String uri) {
+        ModuleFragment moduleFragment=moduleFragments.get(uri);
+        if (moduleFragment!=null)
+            return moduleFragment;
+
+        // Load the SCDL module fragment
+        org.apache.tuscany.model.scdl.ModuleFragment scdlFragment=xmlReader.getModuleFragment(uri);
+        
+        // Transform it to an assembly module fragment
+        moduleFragment=transform(scdlFragment).getModuleFragment();
+        
+        moduleFragments.put(uri, moduleFragment);
+        return moduleFragment;
+    }
+    
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadSubsystem(java.lang.String)
+     */
+    public Subsystem loadSubsystem(String uri) {
+        Subsystem subsystem=subsystems.get(uri);
+        if (subsystem!=null)
+            return subsystem;
+
+        // Load the SCDL subsystem
+        org.apache.tuscany.model.scdl.Subsystem scdlSubsystem=xmlReader.getSubsystem(uri);
+        
+        subsystem=transform(scdlSubsystem).getSubsystem();
+        
+        subsystems.put(uri, subsystem);
+        return subsystem;
+    }
+    
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadDefinition(java.lang.String)
+     */
+    public Definition loadDefinition(String uri) {
+        Definition definition=definitions.get(uri);
+        if (definition!=null)
+            return definition;
+        
+        try {
+            if (wsdlReader==null)
+                wsdlReader=WSDLFactory.newInstance().newWSDLReader();
+            definition = wsdlReader.readWSDL(uri);
+        } catch (WSDLException e) {
+            throw new IllegalArgumentException(e);
+        }
+        if (definition==null)
+            throw new IllegalArgumentException("Could not load WSDL definition at "+uri);
+        
+        definitions.put(uri, definition);
+        
+        String namespace=definition.getTargetNamespace();
+        List<Definition> list=definitionsByNamespace.get(namespace);
+        if (list==null) {
+            list=new ArrayList<Definition>();
+            definitionsByNamespace.put(namespace, list);
+        }
+        list.add(definition);
+       
+        return definition;
+    }
+    
+    /**
+     * @see org.apache.tuscany.model.assembly.loader.AssemblyModelLoader#loadDefinitions(java.lang.String)
+     */
+    public List<Definition> loadDefinitions(String namespace) {
+        return definitionsByNamespace.get(namespace);
+    }
+
+    /**
+     * Transform a model and return the handler containing the result of the transformation.
+     * @param object
+     * @return
+     */
+    private SCDLModelContentHandlerImpl transform(Object object) {
+        //FIXME Remove this dependency on EMF
+        Iterator contents=EcoreUtil.getAllContents(Collections.singleton(object), true);
+        
+        ModelTransformer transformer=new ModelTransformerImpl();
+        SCDLModelContentHandlerImpl handler=new SCDLModelContentHandlerImpl(modelContext, scdlModelLoaders);
+        transformer.transform(contents, handler);
+        return handler;
+    }
+    
+}