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Diffstat (limited to 'java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/resolver/DefaultModelResolverExtensionPoint.java')
-rw-r--r--java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/resolver/DefaultModelResolverExtensionPoint.java125
1 files changed, 0 insertions, 125 deletions
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/resolver/DefaultModelResolverExtensionPoint.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/resolver/DefaultModelResolverExtensionPoint.java
deleted file mode 100644
index ac16d413eb..0000000000
--- a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/resolver/DefaultModelResolverExtensionPoint.java
+++ /dev/null
@@ -1,125 +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.resolver;
-
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.StringTokenizer;
-
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.extensibility.ServiceDeclaration;
-
-
-/**
- * The default implementation of a model resolver extension point.
- *
- * @version $Rev$ $Date$
- */
-public class DefaultModelResolverExtensionPoint implements ModelResolverExtensionPoint {
-
- private final Map<Class<?>, Class<? extends ModelResolver>> resolvers = new HashMap<Class<?>, Class<? extends ModelResolver>>();
- private Map<String, ServiceDeclaration> loadedResolvers;
- private ExtensionPointRegistry registry;
-
- /**
- * Constructs a new DefaultModelResolverExtensionPoint.
- */
- public DefaultModelResolverExtensionPoint(ExtensionPointRegistry registry) {
- this.registry = registry;
- }
-
- public void addResolver(Class<?> modelType, Class<? extends ModelResolver> resolver) {
- resolvers.put(modelType, resolver);
- }
-
- public void removeResolver(Class<?> modelType) {
- resolvers.remove(modelType);
- }
-
- @SuppressWarnings("unchecked")
- public Class<? extends ModelResolver> getResolver(Class<?> modelType) {
- loadModelResolvers();
-
- Class<?>[] classes = modelType.getInterfaces();
- for (Class<?> c : classes) {
- Class<? extends ModelResolver> resolver = resolvers.get(c);
- if (resolver == null) {
- ServiceDeclaration resolverClass = loadedResolvers.get(c.getName());
- if (resolverClass != null) {
- try {
- return (Class<? extends ModelResolver>)resolverClass.loadClass();
- } catch (ClassNotFoundException e) {
- throw new IllegalArgumentException(e);
- }
- }
- } else {
- return resolver;
- }
- }
-
- Class<? extends ModelResolver > resolver = resolvers.get(modelType);
- if (resolver == null) {
- ServiceDeclaration resolverClass = loadedResolvers.get(modelType.getName());
- if (resolverClass != null) {
- try {
- return (Class<? extends ModelResolver>)resolverClass.loadClass();
- } catch (ClassNotFoundException e) {
- throw new IllegalArgumentException(e);
- }
- }
- }
- return resolver;
- }
-
- /**
- * Dynamically load model resolvers declared under META-INF/services
- */
- private synchronized void loadModelResolvers() {
- if (loadedResolvers != null)
- return;
- loadedResolvers = new HashMap<String, ServiceDeclaration>();
-
- // Get the model resolver service declarations
- Collection<ServiceDeclaration> modelResolverDeclarations;
- try {
- modelResolverDeclarations = registry.getServiceDiscovery().getServiceDeclarations(ModelResolver.class.getName());
- } catch (IOException e) {
- throw new IllegalStateException(e);
- }
-
- // Load model resolvers
- for (ServiceDeclaration modelResolverDeclaration : modelResolverDeclarations) {
- Map<String, String> attributes = modelResolverDeclaration.getAttributes();
- String model = attributes.get("model");
- // The model can be a list of interfaces so that one model resolver can be used
- // to resolve different types of models
- if (model != null) {
- StringTokenizer tokenizer = new StringTokenizer(model);
- while (tokenizer.hasMoreTokens()) {
- String key = tokenizer.nextToken();
- loadedResolvers.put(key, modelResolverDeclaration);
- }
-
- }
- }
- }
-
-}