diff options
Diffstat (limited to 'tags/java/sca/2.0-M3-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java')
| -rw-r--r-- | tags/java/sca/2.0-M3-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/tags/java/sca/2.0-M3-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java b/tags/java/sca/2.0-M3-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java deleted file mode 100644 index f48358eddf..0000000000 --- a/tags/java/sca/2.0-M3-RC2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java +++ /dev/null @@ -1,333 +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.implementation.java.introspect.impl; - -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.util.List; - -import javax.xml.namespace.QName; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Callback; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.assembly.Service; -import org.apache.tuscany.sca.implementation.java.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor; -import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract; -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.PolicySubject; -import org.oasisopen.sca.annotation.PolicySets; -import org.oasisopen.sca.annotation.Requires; - -/** - * Processes an {@link org.oasisopen.sca.annotation.Requires} annotation - * - * @version $Rev$ $Date$ - */ -public class PolicyProcessor extends BaseJavaClassVisitor { - - private PolicyFactory policyFactory; - - public PolicyProcessor(AssemblyFactory assemblyFactory, PolicyFactory policyFactory) { - super(assemblyFactory); - this.policyFactory = policyFactory; - } - - - @Override - public void visitField(Field field, JavaImplementation type) throws IntrospectionException { - org.oasisopen.sca.annotation.Reference annotation = - field.getAnnotation( org.oasisopen.sca.annotation.Reference.class); - if (annotation == null) { - return; - } - String name = annotation.name(); - if ("".equals(name)) { - name = field.getName(); - } - - Reference reference = null; - if ( (reference = getReferenceByName(name, type)) != null ) { - readIntents(field.getAnnotation(Requires.class), reference.getRequiredIntents()); - readPolicySets(field.getAnnotation(PolicySets.class), reference.getPolicySets()); - } - } - - @Override - public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException { - Reference reference = null; - if ( (reference = getReference(method, type)) != null ) { - readIntents(method.getAnnotation(Requires.class), reference.getRequiredIntents()); - readPolicySets(method.getAnnotation(PolicySets.class), reference.getPolicySets()); - } else { - /* - if ( type instanceof OperationsConfigurator ) { - //Read the intents specified on the given implementation method - if ( (method.getAnnotation(Requires.class) != null || - method.getAnnotation(PolicySets.class) != null ) && - (type instanceof PolicySubject )) { - ConfiguredOperation confOp = assemblyFactory.createConfiguredOperation(); - confOp.setName(method.getName()); - ((OperationsConfigurator)type).getConfiguredOperations().add(confOp); - - - readIntents(method.getAnnotation(Requires.class), confOp.getRequiredIntents()); - readPolicySets(method.getAnnotation(PolicySets.class), confOp.getPolicySets()); - } - } - */ - } - } - - @Override - public <T> void visitClass(Class<T> clazz, JavaImplementation type) throws IntrospectionException { - - // Read intents on the Java implementation class - if ( type instanceof PolicySubject ) { - readIntentsAndPolicySets(clazz, - ((PolicySubject)type).getRequiredIntents(), - ((PolicySubject)type).getPolicySets()); - } - - // Process annotations on the service interfaces - //TODO This will have to move to a JavaInterface introspector later - for (Service service: type.getServices()) { - InterfaceContract interfaceContract = service.getInterfaceContract(); - if (interfaceContract instanceof JavaInterfaceContract) { - JavaInterfaceContract javaInterfaceContract = (JavaInterfaceContract)interfaceContract; - - // Read intents on the service interface - if (javaInterfaceContract.getInterface() != null) { - JavaInterface javaInterface = (JavaInterface)javaInterfaceContract.getInterface(); - if (javaInterface.getJavaClass() != null) { - readIntentsAndPolicySets(javaInterface.getJavaClass(), - service.getRequiredIntents(), - service.getPolicySets()); - - /* - // Read intents on the service interface methods - Method[] methods = javaInterface.getJavaClass().getMethods(); - ConfiguredOperation confOp = null; - for (Method method: methods) { - if ( method.getAnnotation(Requires.class) != null || - method.getAnnotation(PolicySets.class) != null ) { - confOp = assemblyFactory.createConfiguredOperation(); - confOp.setName(method.getName()); - confOp.setContractName(service.getName()); - - service.getConfiguredOperations().add(confOp); - readIntents(method.getAnnotation(Requires.class), confOp.getRequiredIntents()); - readPolicySets(method.getAnnotation(PolicySets.class), confOp.getPolicySets()); - } - } - */ - } - - } - - // Read intents on the callback interface - if (javaInterfaceContract.getCallbackInterface() != null) { - JavaInterface javaCallbackInterface = (JavaInterface)javaInterfaceContract.getCallbackInterface(); - if (javaCallbackInterface.getJavaClass() != null) { - Callback callback = service.getCallback(); - if (callback == null) { - callback = assemblyFactory.createCallback(); - service.setCallback(callback); - } - readIntentsAndPolicySets(javaCallbackInterface.getJavaClass(), - callback.getRequiredIntents(), - callback.getPolicySets()); - - /* - // Read intents on the callback interface methods - Method[] methods = javaCallbackInterface.getJavaClass().getMethods(); - ConfiguredOperation confOp = null; - for (Method method: methods) { - confOp = assemblyFactory.createConfiguredOperation(); - confOp.setName(method.getName()); - callback.getConfiguredOperations().add(confOp); - readIntents(method.getAnnotation(Requires.class), confOp.getRequiredIntents()); - readPolicySets(method.getAnnotation(PolicySets.class), confOp.getPolicySets()); - } - */ - } - } - } - } - } - - /** - * Read policy intents on the given interface or class - * @param clazz - * @param requiredIntents - */ - private void readIntentsAndPolicySets(Class<?> clazz, - List<Intent> requiredIntents, - List<PolicySet> policySets) { - Requires intentAnnotation = clazz.getAnnotation(Requires.class); - if (intentAnnotation != null) { - String[] intentNames = intentAnnotation.value(); - if (intentNames.length != 0) { - for (String intentName : intentNames) { - - // Add each intent to the list - Intent intent = policyFactory.createIntent(); - intent.setName(getQName(intentName)); - requiredIntents.add(intent); - } - } - } - - PolicySets policySetAnnotation = clazz.getAnnotation(PolicySets.class); - if (policySetAnnotation != null) { - String[] policySetNames = policySetAnnotation.value(); - if (policySetNames.length != 0) { - for (String policySetName : policySetNames) { - - // Add each intent to the list - PolicySet policySet = policyFactory.createPolicySet(); - policySet.setName(getQName(policySetName)); - policySets.add(policySet); - } - } - } - } - - /** - * Read intent annotations on the given interface or class - * @param intentAnnotation - * @param requiredIntents - */ - private void readIntents(Requires intentAnnotation, List<Intent> requiredIntents) { - //Requires intentAnnotation = method.getAnnotation(Requires.class); - if (intentAnnotation != null) { - String[] intentNames = intentAnnotation.value(); - if (intentNames.length != 0) { - //Operation operation = assemblyFactory.createOperation(); - //operation.setName(method.getName()); - //operation.setUnresolved(true); - for (String intentName : intentNames) { - - // Add each intent to the list, associated with the - // operation corresponding to the annotated method - Intent intent = policyFactory.createIntent(); - intent.setName(getQName(intentName)); - //intent.getOperations().add(operation); - requiredIntents.add(intent); - } - } - } - } - - - /** - * Read policy set annotations on a given interface or class - * @param policySetAnnotation - * @param policySets - */ - private void readPolicySets(PolicySets policySetAnnotation, List<PolicySet> policySets) { - if (policySetAnnotation != null) { - String[] policySetNames = policySetAnnotation.value(); - if (policySetNames.length != 0) { - //Operation operation = assemblyFactory.createOperation(); - //operation.setName(method.getName()); - //operation.setUnresolved(true); - for (String policySetName : policySetNames) { - // Add each intent to the list, associated with the - // operation corresponding to the annotated method - PolicySet policySet = policyFactory.createPolicySet(); - policySet.setName(getQName(policySetName)); - //intent.getOperations().add(operation); - policySets.add(policySet); - } - } - } - } - - /** - * Utility methods - */ - - /** - * - * @param intentName - * @return - */ - private static QName getQName(String intentName) { - QName qname; - if (intentName.startsWith("{")) { - int i = intentName.indexOf('}'); - if (i != -1) { - qname = new QName(intentName.substring(1, i), intentName.substring(i + 1)); - } else { - qname = new QName("", intentName); - } - } else { - qname = new QName("", intentName); - } - return qname; - } - - - /** - * - * @param name - * @param type - * @return - */ - private static Reference getReferenceByName(String name, JavaImplementation type) { - for ( Reference reference : type.getReferences() ) { - if ( reference.getName().equals(name) ) { - return reference; - } - } - return null; - } - - - /** - * - * @param method - * @param type - * @return - */ - private static Reference getReference(Method method, JavaImplementation type) { - //since the ReferenceProcessor is called ahead of the PolicyProcessor the type should have - //picked up the reference setter method - org.oasisopen.sca.annotation.Reference annotation = - method.getAnnotation(org.oasisopen.sca.annotation.Reference.class); - if (annotation != null) { - if (JavaIntrospectionHelper.isSetter(method)) { - String name = annotation.name(); - if ("".equals(name)) { - name = JavaIntrospectionHelper.toPropertyName(method.getName()); - } - return getReferenceByName(name, type); - } - } - return null; - } -} |