diff options
Diffstat (limited to 'branches/sca-android-r643746/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java')
-rw-r--r-- | branches/sca-android-r643746/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/branches/sca-android-r643746/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java b/branches/sca-android-r643746/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java new file mode 100644 index 0000000000..2f3f66e14f --- /dev/null +++ b/branches/sca-android-r643746/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java @@ -0,0 +1,174 @@ +/*
+ * 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.Hashtable;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+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.StAXArtifactProcessor;
+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.policy.PolicySet;
+import org.apache.tuscany.sca.policy.util.PolicyComputationUtils;
+
+/**
+ * A composite processor.
+ *
+ * @version $Rev: 643489 $ $Date: 2008-04-01 10:06:42 -0800 (Tue, 01 Apr 2008) $
+ */
+public class CompositeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<Composite> {
+ private XMLInputFactory inputFactory;
+ private List scaDefnSink;
+ private Collection<PolicySet> domainPolicySets = null;
+ private int scaDefnsCount = 0;
+
+ /**
+ * Construct a new composite processor
+ * @param assemblyFactory
+ * @param policyFactory
+ * @param staxProcessor
+ */
+ public CompositeDocumentProcessor(StAXArtifactProcessor staxProcessor, XMLInputFactory inputFactory, List scaDefnsSink) {
+ super(null, null, staxProcessor);
+ this.inputFactory = inputFactory;
+ this.scaDefnSink = scaDefnsSink;
+ }
+
+ public Composite read(URL contributionURL, URI uri, URL url) throws ContributionReadException {
+ InputStream scdlStream = null;
+ try {
+ if (scaDefnSink != null ) {
+ fillDomainPolicySets(scaDefnSink);
+ }
+
+
+ byte[] transformedArtifactContent = null;
+ try {
+ if ( domainPolicySets != null ) {
+ transformedArtifactContent =
+ PolicyComputationUtils.addApplicablePolicySets(url, domainPolicySets);
+ scdlStream = new ByteArrayInputStream(transformedArtifactContent);
+ } else {
+ URLConnection connection = url.openConnection();
+ connection.setUseCaches(false);
+ scdlStream = connection.getInputStream();
+ }
+ } catch ( Exception e ) {
+ throw new ContributionReadException(e);
+ }
+
+ XMLStreamReader reader = inputFactory.createXMLStreamReader(scdlStream);
+
+ reader.nextTag();
+
+ // Read the composite model
+ Composite 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) {
+ throw new ContributionReadException(e);
+ } finally {
+ try {
+ if (scdlStream != null) {
+ scdlStream.close();
+ scdlStream = null;
+ }
+ } catch (IOException ioe) {
+ //ignore
+ }
+ }
+ }
+
+ public void resolve(Composite composite, ModelResolver resolver) throws ContributionResolveException {
+ extensionProcessor.resolve(composite, resolver);
+ }
+
+ public String getArtifactType() {
+ return ".composite";
+ }
+
+ public Class<Composite> getModelType() {
+ return Composite.class;
+ }
+
+ 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 SCADefinitions ) {
+ for ( PolicySet policySet : ((SCADefinitions)object).getPolicySets() ) {
+ domainPolicySetMap.put( policySet.getName(), policySet);
+ }
+ }
+ }
+ domainPolicySets = domainPolicySetMap.values();
+ //scaDefnsSink.clear();
+ scaDefnsCount = scaDefnsSink.size();
+ }
+ }
+}
|