diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java b/sandbox/ant/sca/tags/2.0-M2/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java deleted file mode 100644 index 15b77490b8..0000000000 --- a/sandbox/ant/sca/tags/2.0-M2/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java +++ /dev/null @@ -1,132 +0,0 @@ -/* - * 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.contribution.osgi.impl; - -import java.util.HashMap; -import java.util.Map; - -import org.apache.tuscany.sca.contribution.Contribution; -import org.apache.tuscany.sca.contribution.Import; -import org.apache.tuscany.sca.contribution.resolver.ClassReference; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.osgi.framework.Bundle; - -/** - * A Model Resolver for ClassReferences. - * - * @version $Rev$ $Date$ - */ -public class OSGiClassReferenceModelResolver implements ModelResolver { - private Contribution contribution; - private Map<String, ClassReference> map = new HashMap<String, ClassReference>(); - private Bundle bundle; - private boolean initialized; - private boolean useOSGi; - - public OSGiClassReferenceModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) { - this.contribution = contribution; - } - - public void addModel(Object resolved) { - ClassReference clazz = (ClassReference)resolved; - map.put(clazz.getClassName(), clazz); - } - - public Object removeModel(Object resolved) { - return map.remove(((ClassReference)resolved).getClassName()); - } - - /** - * Handle artifact resolution when the specific class reference is imported from another contribution - * @param unresolved - * @return - */ - private ClassReference resolveImportedModel(ClassReference unresolved) { - ClassReference resolved = unresolved; - - if (this.contribution != null) { - for (Import import_ : this.contribution.getImports()) { - - if (resolved == unresolved && bundle != null) { - resolved = import_.getModelResolver().resolveModel(ClassReference.class, unresolved); - if (resolved != unresolved) - break; - } - } - - } - return resolved; - } - - public <T> T resolveModel(Class<T> modelClass, T unresolved) { - Object resolved = map.get(unresolved); - - if (resolved != null) { - return modelClass.cast(resolved); - } - initialize(); - if (!useOSGi) - return unresolved; - - //Load a class on demand - Class clazz = null; - if (bundle != null) { - try { - clazz = bundle.loadClass(((ClassReference)unresolved).getClassName()); - } catch (Exception e) { - // we will later try to delegate to imported model resolvers - } - } - - if (clazz != null) { - //if we load the class - // Store a new ClassReference wrapping the loaded class - ClassReference classReference = new ClassReference(clazz); - map.put(getPackageName(classReference), classReference); - - // Return the resolved ClassReference - return modelClass.cast(classReference); - } else { - //delegate resolution of the class - resolved = this.resolveImportedModel((ClassReference)unresolved); - return modelClass.cast(resolved); - } - - } - - /*************** - * Helper methods - ***************/ - - private String getPackageName(ClassReference clazz) { - int pos = clazz.getClassName().lastIndexOf("."); - return clazz.getClassName().substring(0, pos - 1); - } - - private void initialize() { - try { - bundle = OSGiBundleActivator.findBundle(contribution.getLocation()); - useOSGi = bundle != null; - } catch (Throwable e) { - // Ignore errors, default to ClassReferenceModelResolver - } - } -} |