diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/assembly-xml-osoa/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java')
| -rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/assembly-xml-osoa/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/assembly-xml-osoa/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java b/sandbox/ant/sca/tags/2.0-M2/modules/assembly-xml-osoa/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java new file mode 100644 index 0000000000..b6182e3950 --- /dev/null +++ b/sandbox/ant/sca/tags/2.0-M2/modules/assembly-xml-osoa/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java @@ -0,0 +1,202 @@ +/* + * 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.assembly.xml; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URL; +import java.net.URLConnection; +import java.util.Collection; +import java.util.List; + +import javax.xml.parsers.DocumentBuilderFactory; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ValidatingXMLInputFactory; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.util.PolicyComputationUtils; + +/** + * A composite processor. + * + * @version $Rev$ $Date$ + */ +public class CompositeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<Composite> { + private XMLInputFactory inputFactory; + private DocumentBuilderFactory documentBuilderFactory; + private List scaDefnSink; + private Collection<PolicySet> domainPolicySets = null; + private int scaDefnsCount = 0; + + /** + * Constructs a new composite processor. + * @param modelFactories + * @param staxProcessor + */ + public CompositeDocumentProcessor(FactoryExtensionPoint modelFactories, + StAXArtifactProcessor staxProcessor, + Monitor monitor) { + super(modelFactories, staxProcessor, monitor); + this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); + this.documentBuilderFactory = modelFactories.getFactory(DocumentBuilderFactory.class); + } + + public Composite read(URL contributionURL, URI uri, URL url) throws ContributionReadException { + InputStream scdlStream = null; + try { + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + scdlStream = connection.getInputStream(); + } catch (IOException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", url, ce); + throw ce; + } + return read(uri, scdlStream); + } + + public Composite read(URI uri, InputStream scdlStream) throws ContributionReadException { + try { +/* + if (scaDefnSink != null ) { + fillDomainPolicySets(scaDefnSink); + } +*/ + + Composite composite = null; + + byte[] transformedArtifactContent; + try { + if ( domainPolicySets != null ) { + transformedArtifactContent = + PolicyComputationUtils.addApplicablePolicySets(scdlStream, domainPolicySets, documentBuilderFactory); + scdlStream = new ByteArrayInputStream(transformedArtifactContent); + } + } catch ( IOException e ) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", scdlStream, ce); + throw ce; + } catch ( Exception e ) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", scdlStream, ce); + //throw ce; + } + + XMLStreamReader reader = inputFactory.createXMLStreamReader(scdlStream); + + reader.nextTag(); + + // Read the composite model + composite = (Composite)extensionProcessor.read(reader); + if (composite != null) { + composite.setURI(uri.toString()); + } + + // For debugging purposes, write it back to XML +// if (composite != null) { +// try { +// ByteArrayOutputStream bos = new ByteArrayOutputStream(); +// XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); +// outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); +// extensionProcessor.write(composite, outputFactory.createXMLStreamWriter(bos)); +// Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray())); +// OutputFormat format = new OutputFormat(); +// format.setIndenting(true); +// format.setIndent(2); +// XMLSerializer serializer = new XMLSerializer(System.out, format); +// serializer.serialize(document); +// } catch (Exception e) { +// e.printStackTrace(); +// } +// } + + return composite; + + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", inputFactory, ce); + throw ce; + } finally { + try { + if (scdlStream != null) { + scdlStream.close(); + scdlStream = null; + } + } catch (IOException ioe) { + //ignore + } + } + } + + public void resolve(Composite composite, ModelResolver resolver) throws ContributionResolveException { + if (composite != null) + extensionProcessor.resolve(composite, resolver); + } + + public String getArtifactType() { + return ".composite"; + } + + public Class<Composite> getModelType() { + return Composite.class; + } + + /* + * TODO - remove - definitions information is now aggregated in the + * systems definitions contribution and we need to add + * applicable policy sets once all composites have been read + private void fillDomainPolicySets(List scaDefnsSink) { + Map<QName, PolicySet> domainPolicySetMap = null; + if ( scaDefnsSink.size() > scaDefnsCount ) { + //if ( !scaDefnsSink.isEmpty() ) { + domainPolicySetMap = new Hashtable<QName, PolicySet>(); + + if ( domainPolicySets != null ) { + for ( PolicySet policySet : domainPolicySets ) { + domainPolicySetMap.put(policySet.getName(), policySet); + } + } + + for ( Object object : scaDefnsSink ) { + if ( object instanceof Definitions ) { + for ( PolicySet policySet : ((Definitions)object).getPolicySets() ) { + domainPolicySetMap.put( policySet.getName(), policySet); + } + } + } + domainPolicySets = domainPolicySetMap.values(); + //scaDefnsSink.clear(); + scaDefnsCount = scaDefnsSink.size(); + } + } + */ +} |