diff options
Diffstat (limited to 'sandbox/event/modules/binding-sca-xml/src/main')
2 files changed, 152 insertions, 0 deletions
diff --git a/sandbox/event/modules/binding-sca-xml/src/main/java/org/apache/tuscany/sca/binding/sca/xml/SCABindingProcessor.java b/sandbox/event/modules/binding-sca-xml/src/main/java/org/apache/tuscany/sca/binding/sca/xml/SCABindingProcessor.java new file mode 100644 index 0000000000..a3e582c82e --- /dev/null +++ b/sandbox/event/modules/binding-sca-xml/src/main/java/org/apache/tuscany/sca/binding/sca/xml/SCABindingProcessor.java @@ -0,0 +1,133 @@ +/* + * 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.sca.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; + +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.SCABinding; +import org.apache.tuscany.sca.assembly.SCABindingFactory; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.assembly.xml.PolicyAttachPointProcessor; +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.monitor.Monitor; +import org.apache.tuscany.sca.policy.IntentAttachPointType; +import org.apache.tuscany.sca.policy.IntentAttachPointTypeFactory; +import org.apache.tuscany.sca.policy.PolicyFactory; +import org.apache.tuscany.sca.policy.PolicySetAttachPoint; + +/** + * A processor to read the XML that describes the SCA binding. + * + * @version $Rev$ $Date$ + */ + +public class SCABindingProcessor implements StAXArtifactProcessor<SCABinding>, Constants{ + + private PolicyFactory policyFactory; + private SCABindingFactory scaBindingFactory; + private PolicyAttachPointProcessor policyProcessor; + private IntentAttachPointTypeFactory intentAttachPointTypeFactory; + private Monitor monitor; + + protected static final String BINDING_SCA = "binding.sca"; + protected static final QName BINDING_SCA_QNAME = new QName(Constants.SCA10_NS, BINDING_SCA); + + public SCABindingProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.policyFactory = modelFactories.getFactory(PolicyFactory.class); + this.scaBindingFactory = modelFactories.getFactory(SCABindingFactory.class); + policyProcessor = new PolicyAttachPointProcessor(policyFactory); + this.intentAttachPointTypeFactory = modelFactories.getFactory(IntentAttachPointTypeFactory.class); + this.monitor = monitor; + } + + public QName getArtifactType() { + return BINDING_SCA_QNAME; + } + + public Class<SCABinding> getModelType() { + return SCABinding.class; + } + + public SCABinding read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + SCABinding scaBinding = scaBindingFactory.createSCABinding(); + IntentAttachPointType bindingType = intentAttachPointTypeFactory.createBindingType(); + bindingType.setName(getArtifactType()); + bindingType.setUnresolved(true); + ((PolicySetAttachPoint)scaBinding).setType(bindingType); + + // Read policies + policyProcessor.readPolicies(scaBinding, reader); + + // Read binding name + String name = reader.getAttributeValue(null, NAME); + if (name != null) { + scaBinding.setName(name); + } + + // Read binding URI + String uri = reader.getAttributeValue(null, URI); + if (uri != null) { + scaBinding.setURI(uri); + } + + // Skip to end element + while (reader.hasNext()) { + if (reader.next() == END_ELEMENT && BINDING_SCA_QNAME.equals(reader.getName())) { + break; + } + } + return scaBinding; + } + + public void resolve(SCABinding model, ModelResolver resolver) throws ContributionResolveException { + policyProcessor.resolvePolicies(model, resolver); + } + + public void write(SCABinding scaBinding, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + // Write <binding.sca> + policyProcessor.writePolicyPrefixes(scaBinding, writer); + writer.writeStartElement(Constants.SCA10_NS, BINDING_SCA); + policyProcessor.writePolicyAttributes(scaBinding, writer); + + // Write binding name + if (scaBinding.getName() != null) { + writer.writeAttribute(NAME, scaBinding.getName()); + } + + // Write binding URI + if (scaBinding.getURI() != null) { + writer.writeAttribute(URI, scaBinding.getURI()); + } + + writer.writeEndElement(); + } + +} diff --git a/sandbox/event/modules/binding-sca-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/sandbox/event/modules/binding-sca-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor new file mode 100644 index 0000000000..bc9f9b7d62 --- /dev/null +++ b/sandbox/event/modules/binding-sca-xml/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor @@ -0,0 +1,19 @@ +# 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. + +# Implementation class for the artifact processor extension +org.apache.tuscany.sca.binding.sca.xml.SCABindingProcessor;qname=http://www.osoa.org/xmlns/sca/1.0#binding.sca,model=org.apache.tuscany.sca.binding.sca.impl.SCABindingImpl |