diff options
Diffstat (limited to 'sca-java-1.x/tags/1.5/modules/host-android/src/test/java/org/apache/tuscany/sca/host/embedded/impl/TestModelResolver.java')
-rw-r--r-- | sca-java-1.x/tags/1.5/modules/host-android/src/test/java/org/apache/tuscany/sca/host/embedded/impl/TestModelResolver.java | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5/modules/host-android/src/test/java/org/apache/tuscany/sca/host/embedded/impl/TestModelResolver.java b/sca-java-1.x/tags/1.5/modules/host-android/src/test/java/org/apache/tuscany/sca/host/embedded/impl/TestModelResolver.java new file mode 100644 index 0000000000..1cfe5ed5d8 --- /dev/null +++ b/sca-java-1.x/tags/1.5/modules/host-android/src/test/java/org/apache/tuscany/sca/host/embedded/impl/TestModelResolver.java @@ -0,0 +1,104 @@ +/* + * 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.host.embedded.impl; + +import java.lang.ref.WeakReference; +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.resolver.ClassReference; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + + +/** + * A test model resolver, based on a map. + * + * @version $Rev$ $Date$ + */ +public class TestModelResolver implements ModelResolver { + private static final long serialVersionUID = -7826976465762296634L; + + private Map<Object, Object> map = new HashMap<Object, Object>(); + private WeakReference<ClassLoader> classLoader; + + private Map<QName, Composite> composites = new HashMap<QName, Composite>(); + + public TestModelResolver(ClassLoader classLoader) { + this.classLoader = new WeakReference<ClassLoader>(classLoader); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + Object resolved = map.get(unresolved); + if (resolved != null) { + + // Return the resolved object + return modelClass.cast(resolved); + + } else if (unresolved instanceof ClassReference) { + + // Load a class on demand + ClassReference classReference = (ClassReference)unresolved; + Class<?> clazz; + try { + clazz = Class.forName(classReference.getClassName(), true, classLoader.get()); + } catch (ClassNotFoundException e) { + + // Return the unresolved object + return unresolved; + } + + // Store a new ClassReference wrapping the loaded class + resolved = new ClassReference(clazz); + map.put(resolved, resolved); + + // Return the resolved ClassReference + return modelClass.cast(resolved); + + } else { + + // Return the unresolved object + return unresolved; + } + } + + public void addModel(Object resolved) { + map.put(resolved, resolved); + if (resolved instanceof Composite) { + Composite composite = (Composite)resolved; + composites.put(composite.getName(), composite); + } + } + + public Object removeModel(Object resolved) { + if (resolved instanceof Composite) { + Composite composite = (Composite)resolved; + composites.remove(composite.getName()); + } + return map.remove(resolved); + } + + public Composite getComposite(QName qname) { + return composites.get(qname); + } + +} |