diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java b/sandbox/ant/sca/tags/2.0-M2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java new file mode 100644 index 0000000000..6decc004a6 --- /dev/null +++ b/sandbox/ant/sca/tags/2.0-M2/modules/contribution-java/src/main/java/org/apache/tuscany/sca/contribution/java/impl/JavaExportProcessor.java @@ -0,0 +1,148 @@ +/* + * 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.java.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.contribution.java.JavaExport; +import org.apache.tuscany.sca.contribution.java.JavaImportExportFactory; +import org.apache.tuscany.sca.contribution.processor.ContributionReadException; +import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; +import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +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.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Artifact processor for Java Export + * + * @version $Rev$ $Date$ + */ +public class JavaExportProcessor implements StAXArtifactProcessor<JavaExport> { + private static final String SCA11_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903"; + + private static final QName EXPORT_JAVA = new QName(SCA11_NS, "export.java"); + + private static final String PACKAGE = "package"; + + private final JavaImportExportFactory factory; + private final Monitor monitor; + + public JavaExportProcessor(FactoryExtensionPoint modelFactories, Monitor monitor) { + super(); + this.factory = modelFactories.getFactory(JavaImportExportFactory.class); + this.monitor = monitor; + } + + /** + * Report a error. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Object... messageParameters) { + if (monitor != null) { + Problem problem = monitor.createProblem(this.getClass().getName(), "contribution-java-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters); + monitor.problem(problem); + } + } + + public QName getArtifactType() { + return EXPORT_JAVA; + } + + public Class<JavaExport> getModelType() { + return JavaExport.class; + } + + /** + * Process <export package=""/> + */ + public JavaExport read(XMLStreamReader reader) throws ContributionReadException { + JavaExport javaExport = this.factory.createJavaExport(); + QName element = null; + + try { + while (reader.hasNext()) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + element = reader.getName(); + + // Read <export.java> + if (EXPORT_JAVA.equals(element)) { + String packageName = reader.getAttributeValue(null, PACKAGE); + if (packageName == null) { + error("AttributePackageMissing", reader); + //throw new ContributionReadException("Attribute 'package' is missing"); + } else + javaExport.setPackage(packageName); + } + break; + case XMLStreamConstants.END_ELEMENT: + if (EXPORT_JAVA.equals(reader.getName())) { + return javaExport; + } + break; + } + + //Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + } + catch (XMLStreamException e) { + ContributionReadException ex = new ContributionReadException(e); + error("XMLStreamException", reader, ex); + } + + return javaExport; + } + + public void write(JavaExport javaExport, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <export.java> + writer.writeStartElement(EXPORT_JAVA.getNamespaceURI(), EXPORT_JAVA.getLocalPart()); + + if (javaExport.getPackage() != null) { + writer.writeAttribute(PACKAGE, javaExport.getPackage()); + } + + writer.writeEndElement(); + } + + public void resolve(JavaExport javaExport, ModelResolver resolver) throws ContributionResolveException { + + if (javaExport.getPackage() != null) + // Initialize the export resolver + javaExport.setModelResolver(new JavaExportModelResolver(javaExport, resolver)); + } +} |