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/*
* 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.policy.transaction;
import java.net.URI;
import java.net.URL;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.definitions.SCADefinitions;
import org.apache.tuscany.sca.definitions.util.SCADefinitionsUtil;
import org.apache.tuscany.sca.provider.SCADefinitionsProvider;
import org.apache.tuscany.sca.provider.SCADefinitionsProviderException;
/**
* Provider for Policy Intents and PolicySet definitions related to transaction
*
* @version $Rev$ $Date$
*/
public class TransactionPolicyDefinitionsProvider implements SCADefinitionsProvider {
private static final String scaDefinitionsFile = "definitions.xml";
private static final String tuscanyDefinitionsFile = "tuscany_definitions.xml";
private URLArtifactProcessor urlArtifactProcessor;
public TransactionPolicyDefinitionsProvider(ExtensionPointRegistry registry) {
URLArtifactProcessorExtensionPoint documentProcessors =
registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
urlArtifactProcessor = (URLArtifactProcessor)documentProcessors.getProcessor(SCADefinitions.class);
}
public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException {
try {
SCADefinitions scaTransactionPolicyDefns = null;
SCADefinitions tuscanyTransactionPolicyDefns = null;
URI uri = new URI(scaDefinitionsFile);
URL defintionsFileUrl = getClass().getResource(scaDefinitionsFile);
scaTransactionPolicyDefns = (SCADefinitions)urlArtifactProcessor.read(null, uri, defintionsFileUrl);
uri = new URI(tuscanyDefinitionsFile);
defintionsFileUrl = getClass().getResource(tuscanyDefinitionsFile);
tuscanyTransactionPolicyDefns = (SCADefinitions)urlArtifactProcessor.read(null, uri, defintionsFileUrl);
SCADefinitionsUtil.aggregateSCADefinitions(tuscanyTransactionPolicyDefns, scaTransactionPolicyDefns);
return scaTransactionPolicyDefns;
} catch (Exception e) {
throw new SCADefinitionsProviderException(e);
}
}
}
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