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Diffstat (limited to 'java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ReferenceProcessor.java')
-rw-r--r--java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ReferenceProcessor.java274
1 files changed, 0 insertions, 274 deletions
diff --git a/java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ReferenceProcessor.java b/java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ReferenceProcessor.java
deleted file mode 100644
index d30ac074af..0000000000
--- a/java/sca/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/impl/ReferenceProcessor.java
+++ /dev/null
@@ -1,274 +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 static org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper.getBaseType;
-
-import java.lang.annotation.Annotation;
-import java.lang.annotation.ElementType;
-import java.lang.reflect.Field;
-import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
-import java.lang.reflect.Type;
-import java.util.Collection;
-import java.util.List;
-
-import org.apache.tuscany.sca.assembly.AssemblyFactory;
-import org.apache.tuscany.sca.assembly.Multiplicity;
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-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.implementation.java.introspect.JavaIntrospectionHelper;
-import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
-import org.oasisopen.sca.ServiceReference;
-import org.oasisopen.sca.annotation.Reference;
-
-/**
- * Processes an {@link @Reference} annotation, updating the component type with
- * corresponding {@link
- * org.apache.tuscany.spi.implementation.java.JavaMappedReference}
- *
- * @version $Rev$ $Date$
- */
-public class ReferenceProcessor extends BaseJavaClassVisitor {
-
- public ReferenceProcessor(AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory) {
- super(assemblyFactory);
- this.javaInterfaceFactory = javaFactory;
- }
-
- public ReferenceProcessor(ExtensionPointRegistry registry) {
- super(registry);
- }
-
- @Override
- public void visitMethod(Method method, JavaImplementation type) throws IntrospectionException {
- Reference annotation = method.getAnnotation(Reference.class);
- if (annotation != null) {
-
- if (!JavaIntrospectionHelper.isSetter(method)) {
- throw new IllegalReferenceException("Annotated method is not a setter: " + method, method);
- }
-
- if(Modifier.isStatic(method.getModifiers())) {
- throw new IllegalPropertyException("Static method " + method.getName() +" in class " + method.getDeclaringClass().getName() + " can not be annotated as a Reference");
- }
-
- String name = annotation.name();
- if ("".equals(name)) {
- name = JavaIntrospectionHelper.toPropertyName(method.getName());
- }
- JavaElementImpl ref = type.getReferenceMembers().get(name);
- // Setter override field
- if (ref != null && ref.getElementType() != ElementType.FIELD) {
- throw new DuplicateReferenceException(name);
- }
- removeReference(ref, type);
-
- JavaElementImpl element = new JavaElementImpl(method, 0);
- org.apache.tuscany.sca.assembly.Reference reference = createReference(element, name);
- type.getReferences().add(reference);
- type.getReferenceMembers().put(name, element);
- }
-
- // enforce the constraint that an ordinary method's argument can not be a reference
- Annotation paramsAnnotations[][] = method.getParameterAnnotations();
- for (int i = 0; i < paramsAnnotations.length; i++) {
- Annotation argAnnotations[] = paramsAnnotations[i];
- for (int j = 0; j < argAnnotations.length; j++) {
- if(argAnnotations[j].annotationType() == Reference.class) {
- throw new IllegalReferenceException("Argument " + (i+1) + " of method " + method.getName() + " in class " + method.getDeclaringClass() + " can not be a Reference");
- }
- }
- }
- }
-
-
- @Override
- public void visitField(Field field, JavaImplementation type) throws IntrospectionException {
- Reference annotation = field.getAnnotation(Reference.class);
- if (annotation == null) {
- return;
- }
-
- if(Modifier.isStatic(field.getModifiers())) {
- throw new IllegalReferenceException("Static field " + field.getName() +" in class " + field.getDeclaringClass().getName() + " can not be annotated as Reference");
- }
- String name = annotation.name();
- if ("".equals(name)) {
- name = field.getName();
- }
- JavaElementImpl ref = type.getReferenceMembers().get(name);
- if (ref != null && ref.getElementType() == ElementType.FIELD) {
- throw new DuplicateReferenceException(name);
- }
-
- // Setter method override field
- if (ref == null) {
- JavaElementImpl element = new JavaElementImpl(field);
- org.apache.tuscany.sca.assembly.Reference reference = createReference(element, name);
- type.getReferences().add(reference);
- type.getReferenceMembers().put(name, element);
- }
- }
-
- @Override
- public void visitConstructorParameter(JavaParameterImpl parameter, JavaImplementation type)
- throws IntrospectionException {
- Reference refAnnotation = parameter.getAnnotation(Reference.class);
- if (refAnnotation == null) {
- return;
- }
-
- if (!refAnnotation.required()) {
- throw new InvalidReferenceException("JCA90016 Constructor has @Reference with required=false: " + type.getName());
- }
-
- if (refAnnotation.name() == null || refAnnotation.name().length() < 1) {
- throw new InvalidReferenceException("JCA90018 @Reference in a Constructor must have a name attribute" + type.getName());
- }
-
- String paramName = parameter.getName();
- String name = getReferenceName(paramName, parameter.getIndex(), refAnnotation.name());
- JavaElementImpl ref = type.getReferenceMembers().get(name);
-
- // Setter override field
- if (ref != null && ref.getElementType() != ElementType.FIELD) {
- throw new DuplicateReferenceException(name);
- }
-
- removeReference(ref, type);
- org.apache.tuscany.sca.assembly.Reference reference = createReference(parameter, name);
- type.getReferences().add(reference);
- type.getReferenceMembers().put(name, parameter);
- parameter.setClassifer(Reference.class);
- parameter.setName(name);
- }
-
- /**
- * Create a SCA reference for a java Element
- * @param element
- * @param name
- * @return
- * @throws IntrospectionException
- */
- private org.apache.tuscany.sca.assembly.Reference createReference(JavaElementImpl element, String name)
- throws IntrospectionException {
- org.apache.tuscany.sca.assembly.Reference reference = assemblyFactory.createReference();
- JavaInterfaceContract interfaceContract = javaInterfaceFactory.createJavaInterfaceContract();
- reference.setInterfaceContract(interfaceContract);
-
- // reference.setMember((Member)element.getAnchor());
- boolean required = true;
- Reference ref = element.getAnnotation(Reference.class);
- if (ref != null) {
- required = ref.required();
- }
- // reference.setRequired(required);
- reference.setName(name);
- Class<?> rawType = element.getType();
- if (rawType.isArray() || Collection.class.isAssignableFrom(rawType)) {
- if (required) {
- reference.setMultiplicity(Multiplicity.ONE_N);
- } else {
- reference.setMultiplicity(Multiplicity.ZERO_N);
- }
- } else {
- if (required) {
- reference.setMultiplicity(Multiplicity.ONE_ONE);
- } else {
- reference.setMultiplicity(Multiplicity.ZERO_ONE);
- }
- }
- Type genericType = element.getGenericType();
- Class<?> baseType = getBaseType(rawType, genericType);
- if (ServiceReference.class.isAssignableFrom(baseType)) {
- if (Collection.class.isAssignableFrom(rawType)) {
- genericType = JavaIntrospectionHelper.getParameterType(genericType);
- }
- baseType = JavaIntrospectionHelper.getBusinessInterface(baseType, genericType);
- }
- try {
- JavaInterface callInterface = javaInterfaceFactory.createJavaInterface(baseType);
- reference.getInterfaceContract().setInterface(callInterface);
- if (callInterface.getCallbackClass() != null) {
- JavaInterface callbackInterface = javaInterfaceFactory.createJavaInterface(callInterface.getCallbackClass());
- reference.getInterfaceContract().setCallbackInterface(callbackInterface);
- }
- } catch (InvalidInterfaceException e) {
- throw new IntrospectionException(e);
- }
- return reference;
- }
-
-
- /**
- * Utility methods
- */
-
- /**
- *
- * @param paramName
- * @param pos
- * @param name
- * @return
- * @throws InvalidConstructorException
- */
- private static String getReferenceName(String paramName, int pos, String name) throws InvalidConstructorException {
- if ("".equals(name)) {
- name = paramName;
- }
- if ("".equals(name)) {
- return "_ref" + pos;
- }
- if (!"".equals(paramName) && !name.equals(paramName)) {
- throw new InvalidConstructorException("Mismatching names specified for reference parameter " + pos);
- } else {
- return name;
- }
- }
-
- /**
- *
- * @param ref
- * @param type
- * @return
- */
- private static boolean removeReference(JavaElementImpl ref, JavaImplementation type) {
- if (ref == null) {
- return false;
- }
- List<org.apache.tuscany.sca.assembly.Reference> refs = type.getReferences();
- for (int i = 0; i < refs.size(); i++) {
- if (refs.get(i).getName().equals(ref.getName())) {
- refs.remove(i);
- return true;
- }
- }
- return false;
- }
-
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 20:36:05 +0000