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-rw-r--r-- | sca-java-2.x/branches/2.0-Beta1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java b/sca-java-2.x/branches/2.0-Beta1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java new file mode 100644 index 0000000000..b5fe005812 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ComponentTypeDocumentProcessor.java @@ -0,0 +1,129 @@ +/* + * 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.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URL; + +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.assembly.ComponentType; +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.monitor.Monitor; + +/** + * A componentType processor. + * + * @version $Rev$ $Date$ + */ +public class ComponentTypeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<ComponentType> { + private ValidatingXMLInputFactory inputFactory; + + /** + * Constructs a new componentType processor. + * @param modelFactories + * @param staxProcessor + */ + public ComponentTypeDocumentProcessor(FactoryExtensionPoint modelFactories, + StAXArtifactProcessor staxProcessor) { + super(modelFactories, staxProcessor); + this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); + } + + public ComponentType read(URL contributionURL, URI uri, URL url, ProcessorContext context) throws ContributionReadException { + InputStream urlStream = null; + Monitor monitor = context.getMonitor(); + try { + + // Create a stream reader + urlStream = IOHelper.openStream(url); + XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream); + ValidatingXMLInputFactory.setMonitor(reader, monitor); + reader.nextTag(); + + // Reader the componentType model + ComponentType componentType = (ComponentType)extensionProcessor.read(reader, context); + if (componentType != null) { + componentType.setURI(uri.toString()); + } + + // For debugging purposes, write it back to XML +// if (componentType != null) { +// try { +// ByteArrayOutputStream bos = new ByteArrayOutputStream(); +// XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); +// outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); +// extensionProcessor.write(componentType, 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 componentType; + + } 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 + } + } + } + + public void resolve(ComponentType componentType, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + extensionProcessor.resolve(componentType, resolver, context); + } + + public String getArtifactType() { + return ".componentType"; + } + + public Class<ComponentType> getModelType() { + return ComponentType.class; + } +} |