diff options
Diffstat (limited to 'sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/impl/JMSBindingProcessor.java')
| -rw-r--r-- | sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/impl/JMSBindingProcessor.java | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/impl/JMSBindingProcessor.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/impl/JMSBindingProcessor.java new file mode 100644 index 0000000000..ac0a73c31d --- /dev/null +++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/impl/JMSBindingProcessor.java @@ -0,0 +1,414 @@ +/* + * 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.binding.jms.impl; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import java.util.List; +import java.util.StringTokenizer; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +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.policy.Intent; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; + +/** + * A processor to read the XML that describes the JMS binding... + * + * <binding.jms correlationScheme="string"? + * initialContextFactory="xs:anyURI"? + * jndiURL="xs:anyURI"? + * requestConnection="QName"? + * responseConnection="QName"? + * operationProperties="QName"? + * ...> + * + * <destination name="xs:anyURI" type="string"? create="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </destination>? + * + * <connectionFactory name="xs:anyURI" create="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </connectionFactory>? + * + * <activationSpec name="xs:anyURI" create="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </activationSpec>? + * + * <response> + * <destination name="xs:anyURI" type="string"? create="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </destination>? + * + * <connectionFactory name="xs:anyURI" create="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </connectionFactory>? + * + * <activationSpec name="xs:anyURI" create="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </activationSpec>? + * </response>? + * + * <resourceAdapter name="NMTOKEN">? + * <property name="NMTOKEN" type="NMTOKEN">* + * </resourceAdapter>? + * + * <headers JMSType="string"? + * JMSCorrelationId="string"? + * JMSDeliveryMode="string"? + * JMSTimeToLive="int"? + * JMSPriority="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </headers>? + * + * <operationProperties name="string" nativeOperation="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * <headers JMSType="string"? + * JMSCorrelationId="string"? + * JMSDeliveryMode="string"? + * JMSTimeToLive="int"? + * JMSPriority="string"?> + * <property name="NMTOKEN" type="NMTOKEN">* + * </headers>? + * </operationProperties>* + * </binding.jms> + */ + +public class JMSBindingProcessor implements StAXArtifactProcessor<JMSBinding>{ + + private PolicyFactory policyFactory; + + + public JMSBindingProcessor(ModelFactoryExtensionPoint modelFactories) { + this.policyFactory = modelFactories.getFactory(PolicyFactory.class); + } + + public QName getArtifactType() { + return JMSBindingConstants.BINDING_JMS_QNAME; + } + + public Class<JMSBinding> getModelType() { + return JMSBinding.class; + } + + public JMSBinding read(XMLStreamReader reader) + throws ContributionReadException { + try { + JMSBinding jmsBinding = new JMSBinding(); + + // Read policies + if ( jmsBinding instanceof PolicySetAttachPoint ) { + readPolicies((PolicySetAttachPoint)jmsBinding, reader); + } + + // Read binding name + String name = reader.getAttributeValue(null, "name"); + if (name != null) { + jmsBinding.setName(name); + } + + // Read binding URI + String uri = reader.getAttributeValue(null, "uri"); + if (uri != null) { + jmsBinding.setURI(uri); + System.err.println("JMS Binding doesn't process uri yet"); + } + + // Read correlation scheme + String correlationScheme = reader.getAttributeValue(null, "correlationScheme"); + if (correlationScheme != null && correlationScheme.length() > 0) { + if (JMSBindingConstants.VALID_CORRELATION_SCHEMES.contains(correlationScheme.toLowerCase())) { + jmsBinding.setCorrelationScheme(correlationScheme); + } else { + throw new JMSBindingException("invalid correlationScheme: " + correlationScheme); + } + System.err.println("JMS Binding doesn't process correlationScheme yet"); + } + + // Read initial context factory + String initialContextFactory = reader.getAttributeValue(null, "initialContextFactory"); + if (initialContextFactory != null && initialContextFactory.length() > 0) { + jmsBinding.setInitialContextFactoryName(initialContextFactory); + } + + // Read jndi URL + String jndiURL = reader.getAttributeValue(null, "jndiURL"); + if (jndiURL != null && jndiURL.length() > 0) { + jmsBinding.setJndiURL(jndiURL); + } + + // Read requestConnection + // TODO + // Read reponseConnection + // TODO + // Read operationProperties + // TODO + + // Read subelements of binding.jms + boolean endFound = false; + while (!endFound) { + switch (reader.next()) { + case START_ELEMENT: + String elementName = reader.getName().getLocalPart(); + if ("destination".equals(elementName)) { + parseDestination(reader, jmsBinding); + } else if ("connectionFactory".equals(elementName)) { + parseConnectionFactory(reader, jmsBinding); + } else if ("activationSpec".equals(elementName)) { + parseActivationSpec(reader, jmsBinding); + } else if ("response".equals(elementName)) { + parseResponse(reader, jmsBinding); + } else if ("resourceAdapter".equals(elementName)) { + parseResourceAdapter(reader, jmsBinding); + } else if ("headers".equals(elementName)) { + parseHeaders(reader, jmsBinding); + } else if ("operationProperties".equals(elementName)) { + parseOperationProperties(reader, jmsBinding); + } + reader.next(); + break; + case END_ELEMENT: + QName x = reader.getName(); + if (x.equals(JMSBindingConstants.BINDING_JMS_QNAME)) { + endFound = true; + } else { + throw new RuntimeException("Incomplete binding.jms definition found unexpected element " + x.toString()); + } + } + } + + jmsBinding.validate(); + + return jmsBinding; + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } + } + + public void resolve(JMSBinding model, ModelResolver resolver) throws ContributionResolveException { + } + + public void write(JMSBinding rmiBinding, XMLStreamWriter writer) throws ContributionWriteException { + try { + // Write a <binding.ws> + writer.writeStartElement(Constants.SCA10_NS, JMSBindingConstants.BINDING_JMS); + + // TODO + + writer.writeEndElement(); + + } catch (XMLStreamException e) { + throw new ContributionWriteException(e); + } + } + + + /** + * Reads policy intents and policy sets. + * @param attachPoint where the intents and policy sets will be stored + * @param reader the XML stream reader + */ + private void readPolicies(PolicySetAttachPoint attachPoint, XMLStreamReader reader) { + String value = reader.getAttributeValue(null, Constants.REQUIRES); + if (value != null) { + List<Intent> requiredIntents = attachPoint.getRequiredIntents(); + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + QName qname = getQNameValue(reader, tokens.nextToken()); + Intent intent = policyFactory.createIntent(); + intent.setName(qname); + requiredIntents.add(intent); + } + System.err.println("JMS Binding doesn't process requires yet"); + } + + value = reader.getAttributeValue(null, Constants.POLICY_SETS); + if (value != null) { + List<PolicySet> policySets = attachPoint.getPolicySets(); + for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { + QName qname = getQNameValue(reader, tokens.nextToken()); + PolicySet policySet = policyFactory.createPolicySet(); + policySet.setName(qname); + policySets.add(policySet); + } + System.err.println("JMS Binding doesn't process policySets yet"); + } + } + + /** + * Returns a qname from a string. + * @param reader the XML stream reader + * @param value the string version of the QName + * @return + */ + private QName getQNameValue(XMLStreamReader reader, String value) { + if (value != null) { + int index = value.indexOf(':'); + String prefix = index == -1 ? "" : value.substring(0, index); + String localName = index == -1 ? value : value.substring(index + 1); + String ns = reader.getNamespaceContext().getNamespaceURI(prefix); + if (ns == null) { + ns = ""; + } + return new QName(ns, localName, prefix); + } else { + return null; + } + } + + protected void parseDestination(XMLStreamReader reader, JMSBinding jmsBinding) throws XMLStreamException { + String name = reader.getAttributeValue(null, "name"); + if (name != null && name.length() > 0) { + jmsBinding.setDestinationName(name); + } + + String type = reader.getAttributeValue(null, "type"); + if (type != null && type.length() > 0) { + if (JMSBindingConstants.DESTINATION_TYPE_QUEUE.equalsIgnoreCase(type)) { + jmsBinding.setDestinationType(JMSBindingConstants.DESTINATION_TYPE_QUEUE); + } else if (JMSBindingConstants.DESTINATION_TYPE_TOPIC.equalsIgnoreCase(type)) { + jmsBinding.setDestinationType(JMSBindingConstants.DESTINATION_TYPE_TOPIC); + } else { + throw new RuntimeException("invalid destination type: " + type); + } + System.err.println("JMS Binding doesn't process destination type yet"); + } + + String create = reader.getAttributeValue(null, "create"); + if (create != null && create.length() > 0) { + jmsBinding.setDestinationCreate(create); + } + } + + protected void parseConnectionFactory(XMLStreamReader reader, JMSBinding jmsBinding) { + String name = reader.getAttributeValue(null, "name"); + if (name != null && name.length() > 0) { + jmsBinding.setConnectionFactoryName(name); + } else { + throw new RuntimeException("missing connectionFactory name"); + } + } + + protected void parseActivationSpec(XMLStreamReader reader, JMSBinding jmsBinding) { + String name = reader.getAttributeValue(null, "name"); + if (name != null && name.length() > 0) { + jmsBinding.setActivationSpecName(name); + System.err.println("JMS Binding doesn't process activationSpec yet"); + } else { + throw new RuntimeException("missing ActivationSpec name"); + } + } + + protected void parseResponseDestination(XMLStreamReader reader, JMSBinding jmsBinding) throws XMLStreamException { + String name = reader.getAttributeValue(null, "name"); + if (name != null && name.length() > 0) { + jmsBinding.setResponseDestinationName(name); + } + + String type = reader.getAttributeValue(null, "type"); + if (type != null && type.length() > 0) { + if (JMSBindingConstants.DESTINATION_TYPE_QUEUE.equalsIgnoreCase(type)) { + jmsBinding.setResponseDestinationType(JMSBindingConstants.DESTINATION_TYPE_QUEUE); + } else if (JMSBindingConstants.DESTINATION_TYPE_TOPIC.equalsIgnoreCase(type)) { + jmsBinding.setResponseDestinationType(JMSBindingConstants.DESTINATION_TYPE_TOPIC); + } else { + throw new RuntimeException("invalid response destination type: " + type); + } + System.err.println("JMS Binding doesn't process response destination type yet"); + } + + String create = reader.getAttributeValue(null, "create"); + if (create != null && create.length() > 0) { + jmsBinding.setResponseDestinationCreate(create); + } + } + + protected void parseResponseConnectionFactory(XMLStreamReader reader, JMSBinding jmsBinding) { + String name = reader.getAttributeValue(null, "name"); + if (name != null && name.length() > 0) { + jmsBinding.setResponseConnectionFactoryName(name); + System.err.println("JMS Binding doesn't process response connectionFactory yet"); + } else { + throw new RuntimeException("missing response connectionFactory name"); + } + } + + protected void parseResponseActivationSpec(XMLStreamReader reader, JMSBinding jmsBinding) { + String name = reader.getAttributeValue(null, "name"); + if (name != null && name.length() > 0) { + jmsBinding.setResponseActivationSpecName(name); + System.err.println("JMS Binding doesn't process response activationSpec yet"); + } else { + throw new RuntimeException("missing response ActivationSpec name"); + } + } + + protected void parseResponse(XMLStreamReader reader, JMSBinding jmsBinding) + throws XMLStreamException { + // Read subelements of response + while (true) { + switch (reader.next()) { + case START_ELEMENT: + String elementName = reader.getName().getLocalPart(); + if ("destination".equals(elementName)) { + parseResponseDestination(reader, jmsBinding); + } else if ("connectionFactory".equals(elementName)) { + parseResponseConnectionFactory(reader, jmsBinding); + } else if ("activationSpec".equals(elementName)) { + parseResponseActivationSpec(reader, jmsBinding); + } + reader.next(); + break; + case END_ELEMENT: + QName x = reader.getName(); + if (x.getLocalPart().equals("response")) { + return; + } else { + throw new RuntimeException("Incomplete binding.jms/response definition found unexpected element " + x.toString()); + } + } + } + } + + protected void parseResourceAdapter(XMLStreamReader reader, JMSBinding jmsBinding) throws XMLStreamException { + System.err.println("JMS Binding doesn't process resourceAdapter yet"); + } + + protected void parseHeaders(XMLStreamReader reader, JMSBinding jmsBinding) throws XMLStreamException { + System.err.println("JMS Binding doesn't process headers yet"); + } + + protected void parseOperationProperties(XMLStreamReader reader, JMSBinding jmsBinding) throws XMLStreamException { + System.err.println("JMS Binding doesn't process operationProperties yet"); + } + +} |