From b771a05508db61cb1748d2fed0eb92daf173ff92 Mon Sep 17 00:00:00 2001 From: rsivaram Date: Thu, 16 Oct 2008 11:51:49 +0000 Subject: Copy modules for event prototype git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@705212 13f79535-47bb-0310-9956-ffa450edef68 --- .../namespace/impl/NamespaceExportProcessor.java | 142 +++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 sandbox/event/modules/contribution-namespace/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java (limited to 'sandbox/event/modules/contribution-namespace/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java') diff --git a/sandbox/event/modules/contribution-namespace/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java b/sandbox/event/modules/contribution-namespace/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java new file mode 100644 index 0000000000..64862301c1 --- /dev/null +++ b/sandbox/event/modules/contribution-namespace/src/main/java/org/apache/tuscany/sca/contribution/namespace/impl/NamespaceExportProcessor.java @@ -0,0 +1,142 @@ +/* + * 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.contribution.namespace.impl; + +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.builder.impl.ProblemImpl; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.namespace.NamespaceExport; +import org.apache.tuscany.sca.contribution.namespace.NamespaceImportExportFactory; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +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.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Artifact processor for Namespace export + * + * @version $Rev$ $Date$ + */ +public class NamespaceExportProcessor implements StAXArtifactProcessor { + + private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0"; + private static final QName EXPORT = new QName(SCA10_NS, "export"); + private static final String NAMESPACE = "namespace"; + + private final NamespaceImportExportFactory factory; + private final Monitor monitor; + + public NamespaceExportProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.factory = modelFactories.getFactory(NamespaceImportExportFactory.class); + this.monitor = monitor; + } + + /** + * Report a warning. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "contribution-namespace-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return EXPORT; + } + + public Class getModelType() { + return NamespaceExport.class; + } + + /** + * Process + */ + public NamespaceExport read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + NamespaceExport namespaceExport = this.factory.createNamespaceExport(); + QName element = null; + + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + element = reader.getName(); + + // Read + if (EXPORT.equals(element)) { + String ns = reader.getAttributeValue(null, NAMESPACE); + if (ns == null) { + error("AttributeNameSpaceMissing", reader); + //throw new ContributionReadException("Attribute 'namespace' is missing"); + } else + namespaceExport.setNamespace(ns); + } + + break; + case XMLStreamConstants.END_ELEMENT: + if (EXPORT.equals(reader.getName())) { + return namespaceExport; + } + break; + } + + // Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + + return namespaceExport; + } + + public void write(NamespaceExport namespaceExport, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write + writer.writeStartElement(EXPORT.getNamespaceURI(), EXPORT.getLocalPart()); + + if (namespaceExport.getNamespace() != null) { + writer.writeAttribute(NAMESPACE, namespaceExport.getNamespace()); + } + + writer.writeEndElement(); + } + + public void resolve(NamespaceExport namespaceExport, ModelResolver resolver) throws ContributionResolveException { + + if (namespaceExport.getNamespace() != null) + // Initialize the export's resolver + namespaceExport.setModelResolver(new NamespaceExportModelResolver(resolver)); + } +} -- cgit v1.2.3