diff options
Diffstat (limited to 'sca-java-1.x/tags/1.5/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java')
-rw-r--r-- | sca-java-1.x/tags/1.5/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java | 656 |
1 files changed, 656 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java b/sca-java-1.x/tags/1.5/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java new file mode 100644 index 0000000000..732557e4ea --- /dev/null +++ b/sca-java-1.x/tags/1.5/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java @@ -0,0 +1,656 @@ +/*
+ * 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.spring.introspect;
+
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getAllInterfaces;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getAllPublicAndProtectedFields;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getAllUniquePublicProtectedMethods;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.getPrivateFields;
+import static org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper.toPropertyName;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Member;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.Type;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.jws.WebService;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.Contract;
+import org.apache.tuscany.sca.assembly.Multiplicity;
+import org.apache.tuscany.sca.implementation.java.IntrospectionException;
+import org.apache.tuscany.sca.implementation.java.impl.JavaConstructorImpl;
+import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl;
+import org.apache.tuscany.sca.implementation.java.JavaImplementation;
+import org.apache.tuscany.sca.implementation.java.impl.JavaParameterImpl;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.BaseJavaClassVisitor;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.AmbiguousConstructorException;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.InvalidServiceType;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.NoConstructorException;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.Resource;
+import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement;
+import org.apache.tuscany.sca.interfacedef.Interface;
+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.apache.tuscany.sca.interfacedef.util.JavaXMLMapper;
+import org.osoa.sca.annotations.Callback;
+import org.osoa.sca.annotations.Context;
+import org.osoa.sca.annotations.Property;
+import org.osoa.sca.annotations.Reference;
+import org.osoa.sca.annotations.Remotable;
+
+/**
+ * Heuristically evaluates an un-annotated Java implementation type to determine
+ * services, references, and properties according to the algorithm described in
+ * the SCA Java Client and Implementation Model Specification <p/> TODO
+ * Implement: <p/> When no service interface is annotated, need to calculate a
+ * single service comprising all public methods that are not reference or
+ * property injection sites. If that service can be exactly mapped to an
+ * interface implemented by the class then the service interface will be defined
+ * in terms of that interface.
+ *
+ * @version $Rev: 689426 $ $Date: 2008-08-27 14:56:06 +0530 (Wed, 27 Aug 2008) $
+ */
+public class SpringBeanPojoProcessor extends BaseJavaClassVisitor {
+ private JavaInterfaceFactory javaFactory;
+ private List<SpringConstructorArgElement> conArgs;
+
+ public SpringBeanPojoProcessor(AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory, List<SpringConstructorArgElement> conArgs) {
+ super(assemblyFactory);
+ this.javaFactory = javaFactory;
+ this.conArgs = conArgs;
+ }
+
+ @Override
+ public <T> void visitEnd(Class<T> clazz, JavaImplementation type) throws IntrospectionException {
+ List<org.apache.tuscany.sca.assembly.Service> services = type.getServices();
+ if (services.isEmpty()) {
+ // heuristically determine the service
+ /**
+ * The following is quoted from Java Specification 1.2.1.3. Introspecting services offered by a Java implementation
+ * In the cases described below, the services offered by a Java implementation class may be determined
+ * through introspection, eliding the need to specify them using @Service. The following algorithm is used
+ * to determine how services are introspected from an implementation class:
+ *
+ * If the interfaces of the SCA services are not specified with the @Service annotation on the
+ * implementation class, it is assumed that all implemented interfaces that have been annotated
+ * as @Remotable are the service interfaces provided by the component. If none of the implemented
+ * interfaces is remotable, then by default the implementation offers a single service whose type
+ * is the implementation class.
+ */
+ Set<Class> interfaces = getAllInterfaces(clazz);
+ for (Class<?> i : interfaces) {
+ if (i.isAnnotationPresent(Remotable.class) || i.isAnnotationPresent(WebService.class)) {
+ addService(type, i);
+ }
+ }
+ if (services.isEmpty()) {
+ // class is the interface
+ addService(type, clazz);
+ }
+ }
+ Set<Method> methods = getAllUniquePublicProtectedMethods(clazz, false);
+ if (!type.getReferenceMembers().isEmpty() || !type.getPropertyMembers().isEmpty()) {
+ // references and properties have been explicitly defined
+ // if (type.getServices().isEmpty()) {
+ // calculateServiceInterface(clazz, type, methods);
+ // if (type.getServices().isEmpty()) {
+ // throw new ServiceTypeNotFoundException(clazz.getName());
+ // }
+ // }
+ evaluateConstructor(type, clazz);
+ return;
+ }
+ calcPropRefs(methods, services, type, clazz);
+ evaluateConstructor(type, clazz);
+ }
+
+ private void addService(JavaImplementation type, Class<?> clazz) throws IntrospectionException {
+ try {
+ org.apache.tuscany.sca.assembly.Service service = createService(clazz);
+ type.getServices().add(service);
+ } catch (InvalidInterfaceException e) {
+ throw new IntrospectionException(e);
+ }
+ }
+
+ private boolean isPublicSetter(Method method) {
+ return method.getParameterTypes().length == 1 && Modifier.isPublic(method.getModifiers())
+ && method.getName().startsWith("set")
+ && method.getReturnType() == void.class;
+ }
+
+ private boolean isProtectedSetter(Method method) {
+ return method.getParameterTypes().length == 1 && Modifier.isProtected(method.getModifiers())
+ && method.getName().startsWith("set")
+ && method.getReturnType() == void.class;
+ }
+
+ private <T> void calcPropRefs(Set<Method> methods,
+ List<org.apache.tuscany.sca.assembly.Service> services,
+ JavaImplementation type,
+ Class<T> clazz) throws IntrospectionException {
+ // heuristically determine the properties references
+ // make a first pass through all public methods with one param
+ Set<String> setters = new HashSet<String>();
+ Set<String> others = new HashSet<String>();
+ for (Method method : methods) {
+ if (!isPublicSetter(method)) {
+ continue;
+ }
+ if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
+ // Add the property name as others
+ others.add(toPropertyName(method.getName()));
+ continue;
+ }
+ if (!isInServiceInterface(method, services)) {
+ // Not part of the service interface
+ String name = toPropertyName(method.getName());
+ setters.add(name);
+ // avoid duplicate property or ref names
+ if (!type.getPropertyMembers().containsKey(name) && !type.getReferenceMembers().containsKey(name)) {
+ Class<?> param = method.getParameterTypes()[0];
+ Type genericType = method.getGenericParameterTypes()[0];
+ if (isReferenceType(param, genericType)) {
+ type.getReferences().add(createReference(name, param));
+ type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
+ } else {
+ type.getProperties().add(createProperty(name, param));
+ type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
+ }
+ }
+ }
+ }
+ // second pass for protected methods with one param
+ for (Method method : methods) {
+ if (!isProtectedSetter(method)) {
+ continue;
+ }
+ if (method.isAnnotationPresent(Callback.class) || method.isAnnotationPresent(Context.class)) {
+ // Add the property name as others
+ others.add(toPropertyName(method.getName()));
+ continue;
+ }
+ Class<?> param = method.getParameterTypes()[0];
+ String name = toPropertyName(method.getName());
+ setters.add(name);
+ // avoid duplicate property or ref names
+ if (isReferenceType(param, method.getGenericParameterTypes()[0])) {
+ if (!type.getReferenceMembers().containsKey(name)) {
+ type.getReferences().add(createReference(name, param));
+ type.getReferenceMembers().put(name, new JavaElementImpl(method, 0));
+ }
+ } else {
+ if (!type.getPropertyMembers().containsKey(name)) {
+ type.getProperties().add(createProperty(name, param));
+ type.getPropertyMembers().put(name, new JavaElementImpl(method, 0));
+ }
+ }
+ }
+
+ // Public or protected fields unless there is a public or protected
+ // setter method
+ // for the same name
+ Set<Field> fields = getAllPublicAndProtectedFields(clazz, false);
+ for (Field field : fields) {
+ if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
+ continue;
+ }
+ if (setters.contains(field.getName()) || others.contains(field.getName())) {
+ continue;
+ }
+ String name = field.getName();
+ Class<?> paramType = field.getType();
+ if (isReferenceType(paramType, field.getGenericType())) {
+ if (!type.getReferenceMembers().containsKey(name)) {
+ type.getReferences().add(createReference(name, paramType));
+ type.getReferenceMembers().put(name, new JavaElementImpl(field));
+ }
+ } else {
+ if (!type.getPropertyMembers().containsKey(name)) {
+ type.getProperties().add(createProperty(name, paramType));
+ type.getPropertyMembers().put(name, new JavaElementImpl(field));
+ }
+ }
+ }
+
+ // Private fields unless there is a public or protected
+ // setter method for the same name
+ Set<Field> privateFields = getPrivateFields(clazz);
+ for (Field field : privateFields) {
+ if (field.isAnnotationPresent(Callback.class) || field.isAnnotationPresent(Context.class)) {
+ continue;
+ }
+ if (setters.contains(field.getName()) || others.contains(field.getName())) {
+ continue;
+ }
+ String name = field.getName();
+ Class<?> paramType = field.getType();
+ if (isReferenceType(paramType, field.getGenericType())) {
+ if (!type.getReferenceMembers().containsKey(name)) {
+ type.getReferences().add(createReference(name, paramType));
+ type.getReferenceMembers().put(name, new JavaElementImpl(field));
+ }
+ } else {
+ if (!type.getPropertyMembers().containsKey(name)) {
+ type.getProperties().add(createProperty(name, paramType));
+ type.getPropertyMembers().put(name, new JavaElementImpl(field));
+ }
+ }
+ }
+ }
+
+ /**
+ * Determines the constructor to use based on the component type's
+ * references and properties
+ *
+ * @param type the component type
+ * @param clazz the implementation class corresponding to the component type
+ * @throws NoConstructorException if no suitable constructor is found
+ * @throws AmbiguousConstructorException if the parameters of a constructor
+ * cannot be unambiguously mapped to references and properties
+ */
+ @SuppressWarnings("unchecked")
+ private <T> void evaluateConstructor(JavaImplementation type, Class<T> clazz) throws IntrospectionException {
+ // determine constructor if one is not annotated
+ JavaConstructorImpl<?> definition = type.getConstructor();
+ Map<String, JavaElementImpl> props = type.getPropertyMembers();
+ Map<String, JavaElementImpl> refs = type.getReferenceMembers();
+ Constructor constructor;
+ boolean explict = false;
+ if (definition != null && definition.getConstructor()
+ .isAnnotationPresent(org.osoa.sca.annotations.Constructor.class)) {
+ // the constructor was already defined explicitly
+ return;
+ } else if (definition != null) {
+ explict = true;
+ constructor = definition.getConstructor();
+ } else {
+ // no definition, heuristically determine constructor
+ Constructor[] constructors = clazz.getConstructors();
+ if (constructors.length == 0) {
+ throw new NoConstructorException("No public constructor for class");
+ } else if (constructors.length == 1) {
+ // Only one constructor, take it
+ constructor = constructors[0];
+ } else {
+ // multiple constructors scenario
+ Constructor<T> selected = null;
+ for (Constructor<T> ctor : constructors) {
+ if (ctor.getParameterTypes().length == 0) {
+ selected = ctor;
+ } else if (ctor.getParameterTypes().length == conArgs.size()) {
+ // we will find a constructor which has atleast one
+ // reference or property as its parameter types.
+ Class<?>[] parametersTypes = ctor.getParameterTypes();
+ for (Class<?> pType: parametersTypes) {
+ for (JavaElementImpl property : props.values()) {
+ if (pType.equals(property.getType()))
+ selected = ctor;
+ }
+ for (JavaElementImpl reference : refs.values()) {
+ if (pType.equals(reference.getType()))
+ selected = ctor;
+ }
+ }
+ }
+ }
+ if (selected == null) {
+ throw new NoConstructorException();
+ }
+ constructor = selected;
+ }
+ definition = type.getConstructors().get(constructor);
+ type.setConstructor(definition);
+ }
+
+ JavaParameterImpl[] parameters = definition.getParameters();
+ if (parameters.length == 0) {
+ return;
+ }
+
+ Annotation[][] annotations = constructor.getParameterAnnotations();
+ if (!explict) {
+ // the constructor wasn't defined by an annotation, so check to see
+ // if any of the params have an annotation
+ // which we can impute as explicitly defining the constructor, e.g.
+ // @Property, @Reference, or @Autowire
+ explict = injectionAnnotationsPresent(annotations);
+ }
+ if (explict) {
+ for (int i = 0; i < parameters.length; i++) {
+ if (isAnnotated(parameters[i])) {
+ continue;
+ } else if (!findReferenceOrProperty(parameters[i], props, refs)) {
+ throw new AmbiguousConstructorException(parameters[i].toString());
+ }
+ }
+ } else {
+ if (!areUnique(parameters)) {
+ throw new AmbiguousConstructorException("Cannot resolve non-unique parameter types, use @Constructor");
+ }
+ if (!calcPropRefUniqueness(props.values(), refs.values())) {
+ throw new AmbiguousConstructorException("Cannot resolve non-unique parameter types, use @Constructor");
+ }
+ if (!(props.isEmpty() && refs.isEmpty())) {
+ calcParamNames(parameters, props, refs);
+ } else {
+ heuristicParamNames(type, parameters);
+
+ }
+ }
+ }
+
+ private void calcParamNames(JavaParameterImpl[] parameters,
+ Map<String, JavaElementImpl> props,
+ Map<String, JavaElementImpl> refs) throws AmbiguousConstructorException {
+ // the constructor param types must unambiguously match defined
+ // reference or property types
+ for (JavaParameterImpl param : parameters) {
+ if (!findReferenceOrProperty(param, props, refs)) {
+ throw new AmbiguousConstructorException(param.getName());
+ }
+ }
+ }
+
+ private void heuristicParamNames(JavaImplementation type, JavaParameterImpl[] parameters)
+ throws IntrospectionException {
+ // heuristically determine refs and props from the parameter types
+ for (JavaParameterImpl p : parameters) {
+ String name = p.getType().getSimpleName().toLowerCase();
+ if (isReferenceType(p.getType(), p.getGenericType())) {
+ type.getReferences().add(createReference(name, p.getType()));
+ p.setClassifer(Reference.class);
+ type.getReferenceMembers().put(name, p);
+ } else {
+ type.getProperties().add(createProperty(name, p.getType()));
+ p.setClassifer(Property.class);
+ type.getPropertyMembers().put(name, p);
+ }
+ p.setName(name);
+ }
+ }
+
+ private static boolean areUnique(Class[] collection) {
+ Set<Class> set = new HashSet<Class>(Arrays.asList(collection));
+ return set.size() == collection.length;
+ }
+
+ /**
+ * Returns true if the union of the given collections of properties and
+ * references have unique Java types
+ */
+ private boolean calcPropRefUniqueness(Collection<JavaElementImpl> props, Collection<JavaElementImpl> refs) {
+
+ Class[] classes = new Class[props.size() + refs.size()];
+ int i = 0;
+ for (JavaElementImpl property : props) {
+ classes[i] = property.getType();
+ i++;
+ }
+ for (JavaElementImpl reference : refs) {
+ classes[i] = reference.getType();
+ i++;
+ }
+ return areUnique(classes);
+ }
+
+ /**
+ * Unambiguously finds the reference or property associated with the given
+ * type
+ *
+ * @return the name of the reference or property if found, null if not
+ * @throws AmbiguousConstructorException if the constructor parameter cannot
+ * be resolved to a property or reference
+ */
+ private boolean findReferenceOrProperty(JavaParameterImpl parameter,
+ Map<String, JavaElementImpl> props,
+ Map<String, JavaElementImpl> refs) throws AmbiguousConstructorException {
+
+ boolean found = false;
+ if (!"".equals(parameter.getName())) {
+ // Match by name
+ JavaElementImpl prop = props.get(parameter.getName());
+ if (prop != null && prop.getType() == parameter.getType()) {
+ parameter.setClassifer(Property.class);
+ return true;
+ }
+ JavaElementImpl ref = refs.get(parameter.getName());
+ if (ref != null && ref.getType() == parameter.getType()) {
+ parameter.setClassifer(Reference.class);
+ return true;
+ }
+ }
+ for (JavaElementImpl property : props.values()) {
+ if (property.getType() == parameter.getType()) {
+ if (found) {
+ throw new AmbiguousConstructorException("Ambiguous property or reference for constructor type",
+ (Member)parameter.getAnchor());
+ }
+ parameter.setClassifer(Property.class);
+ parameter.setName(property.getName());
+ found = true;
+ // do not break since ambiguities must be checked, i.e. more
+ // than one prop or ref of the same type
+ }
+ }
+ for (JavaElementImpl reference : refs.values()) {
+ if (reference.getType() == parameter.getType()) {
+ if (found) {
+ throw new AmbiguousConstructorException("Ambiguous property or reference for constructor type",
+ (Member)parameter.getAnchor());
+ }
+ parameter.setClassifer(Reference.class);
+ parameter.setName(reference.getName());
+ found = true;
+ // do not break since ambiguities must be checked, i.e. more
+ // than one prop or ref of the same type
+ }
+ }
+ return found;
+ }
+
+ /**
+ * Returns true if a given type is reference according to the SCA
+ * specification rules for determining reference types The following rules
+ * are used to determine whether an unannotated field or setter method is a
+ * property or reference:
+ * <ol>
+ * <li>If its type is simple, then it is a property.
+ * <li>If its type is complex, then if the type is an interface marked by
+ *
+ * @Remotable, then it is a reference; otherwise, it is a property.
+ * <li>Otherwise, if the type associated with the member is an
+ * array or a java.util.Collection, the basetype is the element
+ * type of the array or the parameterized type of the
+ * Collection; otherwise the basetype is the member type. If the
+ * basetype is an interface with an
+ * @Remotable or
+ * @Service annotation then the member is defined as a reference. Otherwise,
+ * it is defined as a property.
+ * </ol>
+ * <p>
+ * The name of the reference or of the property is derived from the
+ * name found on the setter method or on the field.
+ */
+ private boolean isReferenceType(Class<?> cls, Type genericType) {
+ Class<?> baseType = JavaIntrospectionHelper.getBaseType(cls, genericType);
+ return baseType.isInterface() && baseType.isAnnotationPresent(Remotable.class);
+ }
+
+ /**
+ * Returns true if the given operation is defined in the collection of
+ * service interfaces
+ */
+ private boolean isInServiceInterface(Method operation, List<org.apache.tuscany.sca.assembly.Service> services) {
+ for (org.apache.tuscany.sca.assembly.Service service : services) {
+ Interface interface1 = service.getInterfaceContract().getInterface();
+ if (interface1 instanceof JavaInterface) {
+ Class<?> clazz = ((JavaInterface)interface1).getJavaClass();
+ if (isMethodMatched(clazz, operation)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Test if the class declares a method which matches the signature of the
+ * given method
+ *
+ * @param clazz
+ * @param method
+ * @return
+ */
+ private boolean isMethodMatched(Class<?> clazz, Method method) {
+ if (method.getDeclaringClass() == clazz) {
+ return true;
+ }
+ Method[] methods = clazz.getMethods();
+ for (Method m : methods) {
+ if (JavaIntrospectionHelper.exactMethodMatch(method, m)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Creates a mapped property.
+ *
+ * @param name the property name
+ * @param paramType the property type
+ */
+ private org.apache.tuscany.sca.assembly.Property createProperty(String name, Class<?> paramType) {
+ org.apache.tuscany.sca.assembly.Property property = assemblyFactory.createProperty();
+ property.setName(name);
+ property.setXSDType(JavaXMLMapper.getXMLType(paramType));
+ return property;
+ }
+
+ private boolean isAnnotated(JavaParameterImpl parameter) {
+ for (Annotation annotation : parameter.getAnnotations()) {
+ Class<? extends Annotation> annotType = annotation.annotationType();
+ if (annotType.equals(Property.class) || annotType.equals(Reference.class)
+ || annotType.equals(Resource.class)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ public boolean areUnique(JavaParameterImpl[] parameters) {
+ Set<Class> set = new HashSet<Class>(parameters.length);
+ for (JavaParameterImpl p : parameters) {
+ if (!set.add(p.getType())) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ public org.apache.tuscany.sca.assembly.Reference createReference(String name, Class<?> paramType)
+ throws IntrospectionException {
+ org.apache.tuscany.sca.assembly.Reference reference = assemblyFactory.createReference();
+ reference.setName(name);
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ reference.setInterfaceContract(interfaceContract);
+ try {
+ JavaInterface callInterface = javaFactory.createJavaInterface(paramType);
+ reference.getInterfaceContract().setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
+ reference.getInterfaceContract().setCallbackInterface(callbackInterface);
+ }
+ reference.setMultiplicity(Multiplicity.ZERO_ONE);
+ } catch (InvalidInterfaceException e1) {
+ throw new IntrospectionException(e1);
+ }
+
+ // FIXME: This part seems to have already been taken care above!!
+ try {
+ processCallback(paramType, reference);
+ } catch (InvalidServiceType e) {
+ throw new IntrospectionException(e);
+ }
+ return reference;
+ }
+
+ public org.apache.tuscany.sca.assembly.Service createService(Class<?> interfaze) throws InvalidInterfaceException {
+ org.apache.tuscany.sca.assembly.Service service = assemblyFactory.createService();
+ service.setName(interfaze.getSimpleName());
+
+ JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
+ service.setInterfaceContract(interfaceContract);
+
+ JavaInterface callInterface = javaFactory.createJavaInterface(interfaze);
+ service.getInterfaceContract().setInterface(callInterface);
+ if (callInterface.getCallbackClass() != null) {
+ JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
+ service.getInterfaceContract().setCallbackInterface(callbackInterface);
+ }
+
+ Interface javaInterface = service.getInterfaceContract().getInterface();
+ javaInterface.setRemotable(interfaze.getAnnotation(Remotable.class) != null);
+ service.getInterfaceContract().setInterface(javaInterface);
+ return service;
+ }
+
+ public void processCallback(Class<?> interfaze, Contract contract) throws InvalidServiceType {
+ Callback callback = interfaze.getAnnotation(Callback.class);
+ if (callback != null && !Void.class.equals(callback.value())) {
+ Class<?> callbackClass = callback.value();
+ JavaInterface javaInterface;
+ try {
+ javaInterface = javaFactory.createJavaInterface(callbackClass);
+ contract.getInterfaceContract().setCallbackInterface(javaInterface);
+ } catch (InvalidInterfaceException e) {
+ throw new InvalidServiceType("Invalid callback interface "+callbackClass, interfaze);
+ }
+ } else if (callback != null && Void.class.equals(callback.value())) {
+ throw new InvalidServiceType("No callback interface specified on annotation", interfaze);
+ }
+ }
+
+ public boolean injectionAnnotationsPresent(Annotation[][] annots) {
+ for (Annotation[] annotations : annots) {
+ for (Annotation annotation : annotations) {
+ Class<? extends Annotation> annotType = annotation.annotationType();
+ if (annotType.equals(Property.class) || annotType.equals(Reference.class)
+ || annotType.equals(Resource.class)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+}
|