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-rw-r--r-- | sandbox/ant/sca/branches/2.0-M2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionModelResolver.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sandbox/ant/sca/branches/2.0-M2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionModelResolver.java b/sandbox/ant/sca/branches/2.0-M2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionModelResolver.java new file mode 100644 index 0000000000..ddc768b61c --- /dev/null +++ b/sandbox/ant/sca/branches/2.0-M2/modules/contribution-xml/src/main/java/org/apache/tuscany/sca/contribution/xml/ContributionModelResolver.java @@ -0,0 +1,72 @@ +/* + * 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.xml; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.contribution.Contribution; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; + +/** + * A Model Resolver for Contribution models. + * + * @version $Rev$ $Date$ + */ +public class ContributionModelResolver implements ModelResolver { + + private Map<String, Contribution> map = new HashMap<String, Contribution>(); + + public ContributionModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) { + } + + public void addModel(Object resolved) { + Contribution contribution = (Contribution)resolved; + map.put(contribution.getURI(), contribution); + } + + public Object removeModel(Object resolved) { + return map.remove(((Contribution)resolved).getURI()); + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved) { + + // Lookup a contribution for the given URI + String uri = ((Contribution)unresolved).getURI(); + if (uri != null) { + Contribution resolved = (Contribution) map.get(uri); + if (resolved != null) { + return modelClass.cast(resolved); + } + return unresolved; + } else { + + // If no URI was specified, just return the first contribution + if (!map.isEmpty()) { + Contribution resolved = map.values().iterator().next(); + return modelClass.cast(resolved); + } else { + return unresolved; + } + } + } + +} |