diff options
Diffstat (limited to 'java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java')
| -rw-r--r-- | java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java b/java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java deleted file mode 100644 index 79a0adac88..0000000000 --- a/java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/PolicyProcessor.java +++ /dev/null @@ -1,303 +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.annotation.Annotation; -import java.lang.reflect.AnnotatedElement; -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.util.Arrays; -import java.util.HashMap; -import java.util.HashSet; -import java.util.List; -import java.util.Map; -import java.util.Set; - -import javax.xml.namespace.QName; - -import org.apache.tuscany.sca.assembly.AssemblyFactory; -import org.apache.tuscany.sca.assembly.Reference; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.implementation.java.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.JavaElementImpl; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.JavaParameterImpl; -import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor; -import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; -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.ServiceRuntimeException; -import org.oasisopen.sca.annotation.PolicySets; -import org.oasisopen.sca.annotation.Qualifier; -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, - JavaInterfaceFactory javaInterfaceFactory) { - super(assemblyFactory); - this.policyFactory = policyFactory; - this.javaInterfaceFactory = javaInterfaceFactory; - } - - public PolicyProcessor(ExtensionPointRegistry registry) { - super(registry); - FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); - this.policyFactory = factories.getFactory(PolicyFactory.class); - } - - @Override - public <T> void visitClass(Class<T> clazz, JavaImplementation type) throws IntrospectionException { - - // Read intents on the Java implementation class - readPolicySetAndIntents((PolicySubject)type, clazz); - - /* - // FIXME: [rfeng] We might want to refactor this out - // Find the business methods in the implementation class for all services - Set<Method> methods = new HashSet<Method>(); - for (Service service : type.getServices()) { - for (Operation op : service.getInterfaceContract().getInterface().getOperations()) { - Method method; - try { - method = JavaInterfaceUtil.findMethod(clazz, op); - } catch (NoSuchMethodException e1) { - throw new IntrospectionException(e1); - } - if (method != null) { - methods.add(method); - } - } - } - for (Method method : methods) { - JavaOperation op = javaInterfaceFactory.createJavaOperation(method); - type.getOperations().add(op); - } - - // Read the operation-level policy settings for the implementation - for (Operation op : type.getOperations()) { - JavaOperation operation = (JavaOperation)op; - PolicySubject subject = op; - Method method = operation.getJavaMethod(); - if (subject != null) { - readPolicySetAndIntents(subject, method); - } - } - */ - - // Start to process annotations on the reference members - Map<String, Reference> referenceMap = new HashMap<String, Reference>(); - for (Reference ref : type.getReferences()) { - referenceMap.put(ref.getName(), ref); - } - Map<String, JavaElementImpl> members = type.getReferenceMembers(); - for (Map.Entry<String, JavaElementImpl> e : members.entrySet()) { - Reference reference = referenceMap.get(e.getKey()); - readPolicySetAndIntents(reference, e.getValue().getAnchor()); - } - - } - - private void readPolicySetAndIntents(PolicySubject subject, AnnotatedElement element) { - readIntents(element.getAnnotation(Requires.class), subject.getRequiredIntents()); - readSpecificIntents(element.getAnnotations(), subject.getRequiredIntents()); - readPolicySets(element.getAnnotation(PolicySets.class), subject.getPolicySets()); - } - - private void readPolicySetAndIntents(PolicySubject subject, JavaElementImpl element) { - readIntents(element.getAnnotation(Requires.class), subject.getRequiredIntents()); - readSpecificIntents(element.getAnnotations(), subject.getRequiredIntents()); - readPolicySets(element.getAnnotation(PolicySets.class), subject.getPolicySets()); - } - - private void readSpecificIntents(Annotation[] annotations, List<Intent> requiredIntents) { - for (Annotation a : annotations) { - org.oasisopen.sca.annotation.Intent intentAnnotation = - a.annotationType().getAnnotation(org.oasisopen.sca.annotation.Intent.class); - if (intentAnnotation == null) { - continue; - } - QName qname = null; - String value = intentAnnotation.value(); - if (!value.equals("")) { - qname = getQName(value); - } else { - qname = new QName(intentAnnotation.targetNamespace(), intentAnnotation.localPart()); - } - Set<String> qualifiers = new HashSet<String>(); - for (Method m : a.annotationType().getMethods()) { - Qualifier qualifier = m.getAnnotation(Qualifier.class); - if (qualifier != null && m.getReturnType() == String[].class) { - try { - qualifiers.addAll(Arrays.asList((String[])m.invoke(a))); - } catch (Throwable e) { - e.printStackTrace(); - } - } - } - qualifiers.remove(""); - if (qualifiers.isEmpty()) { - Intent intent = policyFactory.createIntent(); - intent.setUnresolved(true); - intent.setName(qname); - requiredIntents.add(intent); - } else { - for (String q : qualifiers) { - Intent intent = policyFactory.createIntent(); - intent.setUnresolved(true); - qname = new QName(qname.getNamespaceURI(), qname.getLocalPart() + "." + q); - intent.setName(qname); - requiredIntents.add(intent); - } - } - } - } - - /** - * 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; - } - - @Override - public void visitField(Field field, JavaImplementation type) throws IntrospectionException { - // Check if a field that is not an SCA reference has any policySet/intent annotations - JavaElementImpl element = new JavaElementImpl(field); - if (!type.getReferenceMembers().values().contains(element)) { - PolicySubject subject = assemblyFactory.createComponent(); - readPolicySetAndIntents(subject, field); - if (subject.getPolicySets().isEmpty() && subject.getRequiredIntents().isEmpty()) { - return; - } - throw new ServiceRuntimeException( - "Field that is not an SCA reference cannot have policySet/intent annotations: " + field); - } - } - - @Override - public void visitConstructorParameter(JavaParameterImpl parameter, JavaImplementation type) { - if (!type.getReferenceMembers().values().contains(parameter)) { - PolicySubject subject = assemblyFactory.createComponent(); - readPolicySetAndIntents(subject, parameter); - if (subject.getPolicySets().isEmpty() && subject.getRequiredIntents().isEmpty()) { - return; - } - throw new ServiceRuntimeException( - "Constructor parameter that is not an SCA reference cannot have policySet/intent annotations: " + parameter); - } - } - - @Override - public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException { - Set<AnnotatedElement> annotatedElements = new HashSet<AnnotatedElement>(); - for (JavaElementImpl element : type.getReferenceMembers().values()) { - annotatedElements.add(element.getAnchor()); - } - // Check if a field that is not an SCA reference has any policySet/intent annotations - if (!annotatedElements.contains(method)) { - PolicySubject subject = assemblyFactory.createComponent(); - readPolicySetAndIntents(subject, method); - if (subject.getPolicySets().isEmpty() && subject.getRequiredIntents().isEmpty()) { - return; - } - throw new ServiceRuntimeException( - "Method that is not an SCA reference cannot have policySet/intent annotations: " + method); - } - } - -} |