diff options
Diffstat (limited to 'tags/java/sca/2.0-M4-RC3/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/ServiceDescriptionsProcessor.java')
| -rw-r--r-- | tags/java/sca/2.0-M4-RC3/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/ServiceDescriptionsProcessor.java | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/tags/java/sca/2.0-M4-RC3/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/ServiceDescriptionsProcessor.java b/tags/java/sca/2.0-M4-RC3/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/ServiceDescriptionsProcessor.java new file mode 100644 index 0000000000..fc6e44d8d6 --- /dev/null +++ b/tags/java/sca/2.0-M4-RC3/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/xml/ServiceDescriptionsProcessor.java @@ -0,0 +1,191 @@ +/* + * 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.implementation.osgi.xml; + +import java.util.StringTokenizer; + +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.processor.BaseStAXArtifactProcessor; +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.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; +import org.apache.tuscany.sca.implementation.osgi.ServiceDescription; +import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptions; +import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptionsFactory; + +/* +<?xml version="1.0" encoding="UTF-8"?> +<service-descriptions xmlns="http://www.osgi.org/xmlns/sd/v1.0.0"> + <service-description> + <provide interface="com.iona.soa.pojo.hello.HelloService"/> + <property name="service.intents">SOAP HTTP</property> + <property name="osgi.remote.configuration.type">pojo</property> + <property name="osgi.remote.configuration.pojo.address"> + http://localhost:9000/hello + </property> + </service-description> + <service-description> + <provide interface="com.iona.soa.pojo.hello.GreeterService"/> + <property name="service.intents">SOAP HTTP</property> + <property name="osgi.remote.configuration.type">pojo</property> + <property name="osgi.remote.configuration.pojo.address"> + http://localhost:9005/greeter + </property> + </service-description> +</service-descriptions> +*/ +public class ServiceDescriptionsProcessor extends BaseStAXArtifactProcessor implements + StAXArtifactProcessor<ServiceDescriptions> { + private ServiceDescriptionsFactory factory; + private StAXArtifactProcessor processor; + + + public ServiceDescriptionsProcessor(ExtensionPointRegistry registry, + StAXArtifactProcessor processor) { + this.processor = processor; + FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); + this.factory = modelFactories.getFactory(ServiceDescriptionsFactory.class); + } + + public ServiceDescriptions read(XMLStreamReader reader, ProcessorContext context) throws XMLStreamException, ContributionReadException { + int event = reader.getEventType(); + ServiceDescriptions sds = factory.createServiceDescriptions(); + ServiceDescription sd = null; + while (true) { + switch (event) { + case XMLStreamConstants.START_ELEMENT: + QName name = reader.getName(); + if (ServiceDescriptions.SERVICE_DESCRIPTION_QNAME.equals(name)) { + sd = factory.createServiceDescription(); + sds.add(sd); + } else if ("provide".equals(name.getLocalPart())) { + String interfaceName = reader.getAttributeValue(null, "interface"); + if (interfaceName != null) { + sd.getInterfaces().add(interfaceName); + } + } else if ("property".equals(name.getLocalPart())) { + String propName = reader.getAttributeValue(null, "name"); + String propValue = reader.getAttributeValue(null, "value"); + String propType = reader.getAttributeValue(null, "type"); + if (propType == null) { + propType = "String"; + } + if (propValue == null) { + propValue = reader.getElementText(); + } + if (propValue != null) { + propValue = propValue.trim(); + } + Object prop = propValue; + if ("Integer".equals(propType)) { + prop = Integer.valueOf(propValue); + } else if ("Long".equals(propType)) { + prop = Long.valueOf(propValue); + } else if ("Float".equals(propType)) { + prop = Float.valueOf(propValue); + } else if ("Double".equals(propType)) { + prop = Double.valueOf(propValue); + } else if ("Short".equals(propType)) { + prop = Short.valueOf(propValue); + } else if ("Character".equals(propType)) { + prop = propValue.charAt(0); + } else if ("Byte".equals(propType)) { + prop = Byte.valueOf(propValue); + } else if ("Boolean".equals(propType)) { + prop = Boolean.valueOf(propValue); + } + if (propName.endsWith(".intents")) { + prop = toQNames(reader, propValue); + } + sd.getProperties().put(propName, prop); + } else { + name = reader.getName(); + if (!ServiceDescriptions.SERVICE_DESCRIPTIONS_QNAME.equals(name)) { + Object ext = processor.read(reader, context); + if (sd != null) { + sd.getProperties().put(name.toString(), ext); + } + } + } + break; + case XMLStreamConstants.END_ELEMENT: + name = reader.getName(); + if (ServiceDescriptions.SERVICE_DESCRIPTION_QNAME.equals(name)) { + // Reset the sd + sd = null; + } + if (ServiceDescriptions.SERVICE_DESCRIPTIONS_QNAME.equals(name)) { + return sds; + } + break; + } + if (reader.hasNext()) { + event = reader.next(); + } else { + return sds; + } + } + } + + /** + * Convert ns1:e1 ns2:e2 to {http://ns1}e1 {http://ns2}e2 + * @param reader + * @param value + * @return + */ + private String toQNames(XMLStreamReader reader, String value) { + if (value == null) { + return null; + } + StringBuffer sb = new StringBuffer(); + for (StringTokenizer tokens = new StringTokenizer(value, " \t\n\r\f,"); tokens.hasMoreTokens();) { + QName qname = getQNameValue(reader, tokens.nextToken()); + sb.append(qname.toString()).append(' '); + } + return sb.toString().trim(); + } + + public QName getArtifactType() { + return ServiceDescriptions.SERVICE_DESCRIPTIONS_QNAME; + } + + public void write(ServiceDescriptions model, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, + XMLStreamException { + // TODO: To be implemented + } + + public Class<ServiceDescriptions> getModelType() { + return ServiceDescriptions.class; + } + + public void resolve(ServiceDescriptions model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + // TODO: To be implemented + } +} |