/*
* 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.definitions.xml;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
import org.apache.tuscany.sca.definitions.SCADefinitions;
import org.apache.tuscany.sca.definitions.SCADefinitionsBuilder;
import org.apache.tuscany.sca.definitions.SCADefinitionsBuilderImpl;
import org.apache.tuscany.sca.definitions.util.SCADefinitionsUtil;
import org.apache.tuscany.sca.policy.DefaultIntentAttachPointTypeFactory;
import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory;
import org.apache.tuscany.sca.policy.PolicyFactory;
import org.apache.tuscany.sca.policy.xml.BindingTypeProcessor;
import org.apache.tuscany.sca.policy.xml.ImplementationTypeProcessor;
import org.apache.tuscany.sca.policy.xml.PolicySetProcessor;
import org.apache.tuscany.sca.policy.xml.ProfileIntentProcessor;
import org.apache.tuscany.sca.policy.xml.QualifiedIntentProcessor;
import org.apache.tuscany.sca.policy.xml.SimpleIntentProcessor;
/**
* A SCA Definitions Document processor.
*
*/
public class SCADefinitionsDocumentProcessor implements URLArtifactProcessor<SCADefinitions> {
private StAXArtifactProcessor<Object> extensionProcessor;
private SCADefinitionsBuilder definitionsBuilder;
private ModelResolver scaDefinitionsResolver;
private XMLInputFactory inputFactory;
/**
* Construct a new SCADefinitions processor
* @param assemblyFactory
* @param policyFactory
* @param staxProcessor
*/
public SCADefinitionsDocumentProcessor(StAXArtifactProcessorExtensionPoint staxProcessors,
StAXArtifactProcessor<Object> staxProcessor,
XMLInputFactory inputFactory,
PolicyFactory policyFactory) {
this.extensionProcessor = (StAXArtifactProcessor<Object>)staxProcessor;
this.inputFactory = inputFactory;
definitionsBuilder = new SCADefinitionsBuilderImpl();
this.scaDefinitionsResolver = new SCADefinitionsResolver();
IntentAttachPointTypeFactory intentAttachPointFactory = new DefaultIntentAttachPointTypeFactory();
SCADefinitionsProcessor scaDefnProcessor = new SCADefinitionsProcessor(policyFactory, extensionProcessor, scaDefinitionsResolver);
staxProcessors.addArtifactProcessor(scaDefnProcessor);
staxProcessors.addArtifactProcessor(new SimpleIntentProcessor(policyFactory, extensionProcessor));
staxProcessors.addArtifactProcessor(new ProfileIntentProcessor(policyFactory, extensionProcessor));
staxProcessors.addArtifactProcessor(new QualifiedIntentProcessor(policyFactory, extensionProcessor));
staxProcessors.addArtifactProcessor(new PolicySetProcessor(policyFactory, extensionProcessor));
staxProcessors.addArtifactProcessor(new ImplementationTypeProcessor(policyFactory, intentAttachPointFactory, extensionProcessor));
staxProcessors.addArtifactProcessor(new BindingTypeProcessor(policyFactory, intentAttachPointFactory, extensionProcessor));
}
public SCADefinitions read(URL contributionURL, URI uri, URL url) throws ContributionReadException {
InputStream urlStream = null;
try {
urlStream = url.openStream();
XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream);
reader.nextTag();
SCADefinitions scaDefns = (SCADefinitions)extensionProcessor.read(reader);
return scaDefns;
} catch (XMLStreamException e) {
throw new ContributionReadException(e);
} catch (IOException e) {
throw new ContributionReadException(e);
} finally {
try {
if (urlStream != null) {
urlStream.close();
urlStream = null;
}
} catch (IOException ioe) {
//ignore
}
}
}
public void resolve(SCADefinitions scaDefinitions, ModelResolver resolver) throws ContributionResolveException {
if ( resolver == null ) {
resolver = this.scaDefinitionsResolver;
}
SCADefinitionsUtil.stripDuplicates(scaDefinitions);
extensionProcessor.resolve(scaDefinitions, resolver);
}
public String getArtifactType() {
return "definitions.xml";
}
public Class<SCADefinitions> getModelType() {
return SCADefinitions.class;
}
public ModelResolver getSCADefinitionsResolver() {
return scaDefinitionsResolver;
}
public void setDomainModelResolver(ModelResolver scaDefnsModelResolver) {
this.scaDefinitionsResolver = scaDefnsModelResolver;
}
}