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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-18 02:24:55 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-18 02:24:55 +0000 |
commit | 4f9328953ea16c7a42eb1910f1e809bf1c537d3b (patch) | |
tree | 2f989a5045456d2057540563a483465a1d490dc0 /sca-java-2.x/tags/2.0-M5.1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java | |
parent | 41c3e83fe3990eff86b40f775c5d02c5177ae005 (diff) |
Copy 2.0-M5.1-RC2 tag as 2.0-M5.1 official release tag
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1023626 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java b/sca-java-2.x/tags/2.0-M5.1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java new file mode 100644 index 0000000000..d0a42be34e --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/definitions/xml/DefinitionsDocumentProcessor.java @@ -0,0 +1,171 @@ +/* + * 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 java.security.AccessController; +import java.security.PrivilegedActionException; +import java.security.PrivilegedExceptionAction; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.common.java.io.IOHelper; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +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.definitions.Definitions; +import org.apache.tuscany.sca.definitions.DefinitionsFactory; +import org.apache.tuscany.sca.definitions.util.DefinitionsUtil; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * A SCA Definitions Document processor. + * + * @version $Rev$ $Date$ + */ +public class DefinitionsDocumentProcessor implements URLArtifactProcessor<Definitions> { + private StAXArtifactProcessor<Object> extensionProcessor; + private XMLInputFactory inputFactory; + private DefinitionsFactory definitionsFactory; + + + + /** + * Constructs a new SCADefinitions processor. + * + * @param modelFactories + * @param staxProcessor + */ + public DefinitionsDocumentProcessor(FactoryExtensionPoint modelFactories, + StAXArtifactProcessor<Object> staxProcessor) { + this.extensionProcessor = (StAXArtifactProcessor<Object>)staxProcessor; + this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); + this.definitionsFactory = modelFactories.getFactory(DefinitionsFactory.class); + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(Monitor monitor, String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = + monitor.createProblem(this.getClass().getName(), + Messages.RESOURCE_BUNDLE, + Severity.ERROR, + model, + message, + ex); + monitor.problem(problem); + } + } + + public Definitions read(URL contributionURL, final URI uri, final URL url, ProcessorContext context) throws ContributionReadException { + InputStream urlStream = null; + Monitor monitor = context.getMonitor(); + monitor.pushContext("Definitions: " + url); + try { + // Allow privileged access to open URL stream. Add FilePermission to added to security + // policy file. + try { + urlStream = AccessController.doPrivileged(new PrivilegedExceptionAction<InputStream>() { + public InputStream run() throws IOException { + return IOHelper.openStream(url); + } + }); + } catch (PrivilegedActionException e) { + error(monitor, "PrivilegedActionException", url, (IOException)e.getException()); + throw (IOException)e.getException(); + } + + //urlStream = createInputStream(url); + XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream); + ValidatingXMLInputFactory.setMonitor(reader, context.getMonitor()); + Definitions definitions = definitionsFactory.createDefinitions(); + int event = reader.getEventType(); + while (reader.hasNext()) { + event = reader.next(); + + // We only deal with the root element + if (event == XMLStreamConstants.START_ELEMENT) { + // QName name = reader.getName(); + Object model = extensionProcessor.read(reader, context); + if (model instanceof Definitions) { + DefinitionsUtil.aggregate((Definitions)model, definitions, monitor); + return definitions; + } else { + error(monitor, "ContributionReadException", model, null); + } + } + } + + return definitions; + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error(monitor, "ContributionReadException", inputFactory, ce); + throw ce; + } catch (IOException e) { + ContributionReadException ce = new ContributionReadException(e); + error(monitor, "ContributionReadException", inputFactory, ce); + throw ce; + } finally { + + try { + if (urlStream != null) { + urlStream.close(); + urlStream = null; + } + } catch (IOException ioe) { + //ignore + } + + monitor.popContext(); + } + } + + public void resolve(Definitions scaDefinitions, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + extensionProcessor.resolve(scaDefinitions, resolver, context); + } + + public String getArtifactType() { + return "/META-INF/definitions.xml"; + } + + public Class<Definitions> getModelType() { + return Definitions.class; + } + +} |