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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5-RC2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/sca-java-2.x/tags/2.0-M5-RC2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java b/sca-java-2.x/tags/2.0-M5-RC2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java deleted file mode 100644 index e6e172a44b..0000000000 --- a/sca-java-2.x/tags/2.0-M5-RC2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/DefaultBeanModelProcessor.java +++ /dev/null @@ -1,257 +0,0 @@ -/* - * 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.assembly.xml; - -import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; - -import java.lang.reflect.Method; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -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.Base; -import org.apache.tuscany.sca.assembly.ComponentType; -import org.apache.tuscany.sca.assembly.Implementation; -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.FactoryExtensionPoint; -import org.apache.tuscany.sca.policy.PolicySubject; - -/** - * Default Model Processor for beans. - * - * @version $Rev$ $Date$ - */ -public class DefaultBeanModelProcessor<T> extends BaseAssemblyProcessor implements StAXArtifactProcessor<T> { - - private QName artifactType; - private Class<T> modelClass; - private Object modelFactory; - private Method factoryMethod; - private Map<String, Method> setterMethods = new HashMap<String, Method>(); - private Map<String, Method> getterMethods = new HashMap<String, Method>(); - - public DefaultBeanModelProcessor(FactoryExtensionPoint modeFactories, - QName artifactType, - Class<T> modelClass, - Object modelFactory) { - super(modeFactories, null); - this.artifactType = artifactType; - this.modelClass = modelClass; - this.modelFactory = modelFactory; - - // Introspect the factory class and bean model class - if (modelFactory != null) { - - // Find the model create method - for (Method method: modelFactory.getClass().getMethods()) { - if (method.getName().startsWith("create") && method.getReturnType() == modelClass) { - factoryMethod = method; - break; - } - } - } - - // Index the bean's setter methods - for (Method method: modelClass.getMethods()) { - Method getter; - String name = method.getName(); - if (name.startsWith("set") && name.length() > 3) { - - // Get the corresponding getter method - try { - getter = modelClass.getMethod("get" + name.substring(3)); - } catch (Exception e) { - getter = null; - continue; - } - - // Get the property name - name = name.substring(3); - if (name.length() > 1) { - if (!name.toUpperCase().equals(name)) { - name = name.substring(0, 1).toLowerCase() + name.substring(1); - } - } - } else { - continue; - } - - // Map an uppercase property name to a lowercase attribute name - if (name.toUpperCase().equals(name)) { - name = name.toLowerCase(); - } - - // Trim trailing _ from property names - if (name.endsWith("_")) { - name = name.substring(0, name.length()-1); - } - setterMethods.put(name, method); - getterMethods.put(name, getter); - } - } - - public T read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { - - // Read an element - try { - - // Create a new instance of the model - Object model; - if (modelFactory != null) { - // Invoke the factory create method - model = factoryMethod.invoke(modelFactory); - } else { - // Invoke the model bean class default constructor - model = modelClass.newInstance(); - } - - // Initialize the bean properties with the attributes found in the - // XML element - for (int i = 0, n = reader.getAttributeCount(); i < n; i++) { - String attributeName = reader.getAttributeLocalName(i); - Method setter = setterMethods.get(attributeName); - if (setter != null) { - String value = null; - if (attributeName.equals("uri")){ - value = getURIString(reader, "uri"); - } else { - value = reader.getAttributeValue(i); - } - setter.invoke(model, value); - } - } - - // Read policies - policyProcessor.readPolicies(model, reader); - - // FIXME read extension elements - - // By default mark the model object unresolved - if (model instanceof Base) { - ((Base)model).setUnresolved(true); - } - - // Skip to end element - while (reader.hasNext()) { - if (reader.next() == END_ELEMENT && artifactType.equals(reader.getName())) { - break; - } - } - return (T) model; - - } catch (Exception e) { - ContributionReadException ce = new ContributionReadException(e); - error(context.getMonitor(), "ContributionReadException", reader, ce); - throw ce; - } - } - - public void write(T bean, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { - try { - // Write the bean properties as attributes - List<XAttr> attrs = new ArrayList<XAttr>(); - for (Map.Entry<String, Method> entry: getterMethods.entrySet()) { - if (entry.getValue().getReturnType() == String.class) { - String value = (String)entry.getValue().invoke(bean); - attrs.add(new XAttr(entry.getKey(), value)); - } - } - - // Write element - writeStart(writer, artifactType.getNamespaceURI(), artifactType.getLocalPart(), - policyProcessor.writePolicies(bean), new XAttr(null, attrs)); - - writeEnd(writer); - - } catch (Exception e) { - ContributionWriteException ce = new ContributionWriteException(e); - error(context.getMonitor(), "ContributionWriteException", writer, ce); - throw ce; - } - } - - public void resolve(T bean, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - - // Resolve and merge the component type associated with an - // implementation model - if (bean instanceof Implementation) { - Implementation implementation = (Implementation)bean; - String uri = implementation.getURI(); - if (uri != null) { - int d = uri.lastIndexOf('.'); - if (d != -1) { - uri = uri.substring(0, d) + ".componentType"; - - // Resolve the component type - ComponentType componentType = assemblyFactory.createComponentType(); - componentType.setURI(uri); - componentType.setUnresolved(true); - - componentType = resolver.resolveModel(ComponentType.class, componentType, context); - if (componentType != null && !componentType.isUnresolved()) { - - // We found a component type, merge it into the implementation model - implementation.getServices().addAll(componentType.getServices()); - implementation.getReferences().addAll(componentType.getReferences()); - implementation.getProperties().addAll(componentType.getProperties()); - - if (implementation instanceof PolicySubject && - componentType instanceof PolicySubject ) { - PolicySubject policiedImpl = (PolicySubject)implementation; - PolicySubject policiedCompType = (PolicySubject)componentType; - - if ( policiedImpl.getPolicySets() != null) { - policiedImpl.getPolicySets().addAll(policiedCompType.getPolicySets()); - } - if (policiedImpl.getRequiredIntents() != null) { - policiedImpl.getRequiredIntents().addAll(policiedCompType.getRequiredIntents()); - } - } - } - } - } - } - - // Mark the model resolved - if (bean instanceof Base) { - ((Base)bean).setUnresolved(false); - } - } - - public QName getArtifactType() { - return artifactType; - } - - public Class<T> getModelType() { - return modelClass; - } - -} |