diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java b/sca-java-1.x/tags/1.6/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java new file mode 100644 index 0000000000..72744259f6 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeModelResolver.java @@ -0,0 +1,83 @@ +/* + * 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.xml; + +import java.util.HashMap; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.Import; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * A Model Resolver for Composite models. + * + * @version $Rev$ $Date$ + */ +public class CompositeModelResolver implements ModelResolver { + + private Contribution contribution; + private Map<QName, Composite> map = new HashMap<QName, Composite>(); + + public CompositeModelResolver(Contribution contribution, ModelFactoryExtensionPoint modelFactories) { + this.contribution = contribution; + } + + public void addModel(Object resolved) { + Composite composite = (Composite)resolved; + map.put(composite.getName(), composite); + } + + public Object removeModel(Object resolved) { + return map.remove(((Composite)resolved).getName()); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + + // Lookup a definition for the given namespace + QName qname = ((Composite)unresolved).getName(); + Composite resolved = (Composite) map.get(qname); + if (resolved != null) { + return modelClass.cast(resolved); + } + + // No definition found, delegate the resolution to the imports + for (Import import_ : this.contribution.getImports()) { + if (import_ instanceof NamespaceImport) { + NamespaceImport namespaceImport = (NamespaceImport)import_; + if (namespaceImport.getNamespace().equals(qname.getNamespaceURI())) { + + // Delegate the resolution to the import resolver + resolved = namespaceImport.getModelResolver().resolveModel(Composite.class, (Composite)unresolved); + if (!resolved.isUnresolved()) { + return modelClass.cast(resolved); + } + } + } + } + return (T)unresolved; + } + +} |