diff options
Diffstat (limited to 'tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect')
3 files changed, 0 insertions, 1572 deletions
diff --git a/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java b/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java deleted file mode 100644 index de137e3d9c..0000000000 --- a/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanIntrospector.java +++ /dev/null @@ -1,135 +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.spring.introspect;
-
-import java.util.List;
-
-import org.apache.tuscany.sca.assembly.AssemblyFactory;
-import org.apache.tuscany.sca.assembly.ComponentType;
-import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
-import org.apache.tuscany.sca.implementation.java.DefaultJavaImplementationFactory;
-import org.apache.tuscany.sca.implementation.java.IntrospectionException;
-import org.apache.tuscany.sca.implementation.java.JavaImplementation;
-import org.apache.tuscany.sca.implementation.java.JavaImplementationFactory;
-import org.apache.tuscany.sca.implementation.java.introspect.BaseJavaClassVisitor;
-import org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.ComponentNameProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.ConstructorProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.ContextProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.DestroyProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.EagerInitProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.InitProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.PolicyProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.PropertyProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.ReferenceProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.ResourceProcessor;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.ServiceProcessor;
-import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
-import org.apache.tuscany.sca.policy.PolicyFactory;
-
-/**
- * Provides introspection functions for Spring beans
- * This version leans heavily on the implementation-java classes
- *
- * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
- */
-public class SpringBeanIntrospector {
-
- private JavaImplementationFactory javaImplementationFactory;
-
- /**
- * The constructor sets up the various visitor elements that will be used to introspect
- * the Spring bean and extract SCA information.
- *
- * @param assemblyFactory The Assembly Factory to use
- * @param javaFactory The Java Interface Factory to use
- * @param policyFactory The Policy Factory to use.
- */
- public SpringBeanIntrospector(AssemblyFactory assemblyFactory,
- JavaInterfaceFactory javaFactory,
- PolicyFactory policyFactory,
- List<SpringConstructorArgElement> conArgs) {
-
- javaImplementationFactory = new DefaultJavaImplementationFactory();
-
- // Create the list of class visitors
- BaseJavaClassVisitor[] extensions =
- new BaseJavaClassVisitor[] {
- new ConstructorProcessor(assemblyFactory),
- new ComponentNameProcessor(assemblyFactory),
- new ContextProcessor(assemblyFactory),
- new DestroyProcessor(assemblyFactory),
- new EagerInitProcessor(assemblyFactory),
- new InitProcessor(assemblyFactory),
- new PropertyProcessor(assemblyFactory),
- new ReferenceProcessor(assemblyFactory, javaFactory),
- new ResourceProcessor(assemblyFactory),
- new ServiceProcessor(assemblyFactory, javaFactory),
- new SpringBeanPojoProcessor(assemblyFactory, javaFactory, conArgs),
- new PolicyProcessor(assemblyFactory, policyFactory)};
- for (JavaClassVisitor extension : extensions) {
- javaImplementationFactory.addClassVisitor(extension);
- }
-
- } // end constructor
-
- /**
- * Introspect a Spring Bean and extract the features important to SCA
- * @param beanClass the Spring Bean class to introspect
- * @param componentType the componentType that is filled in through the introspection
- * process (assumed empty on invocation, filled on return
- * @return a Map of property names to JavaElementImpl
- * @throws ContributionResolveException - if there was a problem resolving the
- * Spring Bean or its componentType
- *
- */
- public JavaImplementation introspectBean(Class<?> beanClass, ComponentType componentType) throws ContributionResolveException
- {
- if (componentType == null)
- throw new ContributionResolveException("Introspect Spring bean: supplied componentType is null");
-
- // Create a Java implementation ready for the introspection
- JavaImplementation javaImplementation = javaImplementationFactory.createJavaImplementation();
-
- try {
- // Introspect the bean...the results of the introspection are placed into the Java implementation
- javaImplementationFactory.createJavaImplementation(javaImplementation, beanClass);
-
- // Extract the services, references & properties found through introspection
- // put the services, references and properties into the component type
- componentType.getServices().addAll(javaImplementation.getServices());
- componentType.getReferences().addAll(javaImplementation.getReferences());
- componentType.getProperties().addAll(javaImplementation.getProperties());
-
- } catch (IntrospectionException e) {
- throw new ContributionResolveException(e);
- } // end try
-
- /* List<Service> services = javaImplementation.getServices();
- for (Service service : services) {
- String name = service.getName();
- System.out.println("Spring Bean: found service with name: " + name);
- } // end for */
-
- return javaImplementation;
-
- } // end method introspectBean
-
-} // end class SpringBeanIntrospector
diff --git a/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java b/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java deleted file mode 100644 index 56b3ce2213..0000000000 --- a/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringBeanPojoProcessor.java +++ /dev/null @@ -1,656 +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.spring.introspect;
-
-import static org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper.getAllInterfaces;
-import static org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper.getAllPublicAndProtectedFields;
-import static org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper.getAllUniquePublicProtectedMethods;
-import static org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper.getPrivateFields;
-import static org.apache.tuscany.sca.implementation.java.introspect.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.JavaConstructorImpl;
-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.implementation.java.introspect.impl.AmbiguousConstructorException;
-import org.apache.tuscany.sca.implementation.java.introspect.impl.InvalidServiceTypeException;
-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.oasisopen.sca.annotation.Callback;
-import org.oasisopen.sca.annotation.Context;
-import org.oasisopen.sca.annotation.Property;
-import org.oasisopen.sca.annotation.Reference;
-import org.oasisopen.sca.annotation.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.oasisopen.sca.annotation.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 (InvalidServiceTypeException 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 InvalidServiceTypeException {
- 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 InvalidServiceTypeException("Invalid callback interface "+callbackClass, interfaze);
- }
- } else if (callback != null && Void.class.equals(callback.value())) {
- throw new InvalidServiceTypeException("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;
- }
-}
diff --git a/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java b/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java deleted file mode 100644 index b880e7ba2a..0000000000 --- a/tags/java/sca/2.0-M3-RC3a/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java +++ /dev/null @@ -1,781 +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.spring.introspect;
-
-import static javax.xml.stream.XMLStreamConstants.END_ELEMENT;
-import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URI;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.jar.Attributes;
-import java.util.jar.JarEntry;
-import java.util.jar.JarFile;
-import java.util.jar.Manifest;
-
-import javax.xml.namespace.QName;
-import javax.xml.stream.XMLInputFactory;
-import javax.xml.stream.XMLStreamException;
-import javax.xml.stream.XMLStreamReader;
-
-import org.apache.tuscany.sca.assembly.AssemblyFactory;
-import org.apache.tuscany.sca.assembly.ComponentType;
-import org.apache.tuscany.sca.assembly.Multiplicity;
-import org.apache.tuscany.sca.assembly.Property;
-import org.apache.tuscany.sca.assembly.Reference;
-import org.apache.tuscany.sca.assembly.Service;
-import org.apache.tuscany.sca.contribution.Artifact;
-import org.apache.tuscany.sca.contribution.ContributionFactory;
-import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
-import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
-import org.apache.tuscany.sca.contribution.resolver.ClassReference;
-import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
-import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.apache.tuscany.sca.implementation.java.JavaConstructorImpl;
-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.spring.SpringBeanElement;
-import org.apache.tuscany.sca.implementation.spring.SpringConstructorArgElement;
-import org.apache.tuscany.sca.implementation.spring.SpringImplementation;
-import org.apache.tuscany.sca.implementation.spring.SpringImplementationConstants;
-import org.apache.tuscany.sca.implementation.spring.SpringPropertyElement;
-import org.apache.tuscany.sca.implementation.spring.SpringSCAPropertyElement;
-import org.apache.tuscany.sca.implementation.spring.SpringSCAReferenceElement;
-import org.apache.tuscany.sca.implementation.spring.SpringSCAServiceElement;
-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.apache.tuscany.sca.policy.PolicyFactory;
-
-/**
- * Introspects a Spring XML application-context configuration file to create <implementation-spring../>
- * component type information.
- *
- *
- * @version $Rev: 512919 $ $Date: 2007-02-28 19:32:56 +0000 (Wed, 28 Feb 2007) $
- */
-public class SpringXMLComponentTypeLoader {
-
- private XMLInputFactory xmlInputFactory;
- private ContributionFactory contributionFactory;
- private AssemblyFactory assemblyFactory;
- private JavaInterfaceFactory javaFactory;
- private PolicyFactory policyFactory;
-
- private SpringBeanIntrospector beanIntrospector;
-
- public SpringXMLComponentTypeLoader(FactoryExtensionPoint factories,
- AssemblyFactory assemblyFactory,
- JavaInterfaceFactory javaFactory,
- PolicyFactory policyFactory) {
- super();
- this.assemblyFactory = assemblyFactory;
- this.javaFactory = javaFactory;
- this.policyFactory = policyFactory;
- this.contributionFactory = factories.getFactory(ContributionFactory.class);
- this.xmlInputFactory = factories.getFactory(XMLInputFactory.class);
- }
-
- protected Class<SpringImplementation> getImplementationClass() {
- return SpringImplementation.class;
- }
-
- /**
- * Base method which loads the component type from the application-context attached to the
- * Spring implementation
- *
- */
- public void load(SpringImplementation implementation, ModelResolver resolver) throws ContributionReadException {
- //System.out.println("Spring TypeLoader - load method start");
- ComponentType componentType = implementation.getComponentType();
- /* Check that there is a component type object already set */
- if (componentType == null) {
- throw new ContributionReadException("SpringXMLLoader load: implementation has no ComponentType object");
- }
- if (componentType.isUnresolved()) {
- /* Fetch the location of the application-context file from the implementation */
- loadFromXML(implementation, resolver);
- if (!componentType.isUnresolved())
- implementation.setUnresolved(false);
- } // end if
- //System.out.println("Spring TypeLoader - load method complete");
- } // end method load
-
- private Class<?> resolveClass(ModelResolver resolver, String className) throws ClassNotFoundException {
- ClassReference classReference = new ClassReference(className);
- classReference = resolver.resolveModel(ClassReference.class, classReference);
- if (classReference.isUnresolved()) {
- throw new ClassNotFoundException(className);
- }
- Class<?> javaClass = classReference.getJavaClass();
- return javaClass;
- }
-
- /**
- * Method which fills out the component type for a Spring implementation by reading the
- * Spring application-context.xml file.
- *
- * @param implementation SpringImplementation into which to load the component type information
- * @throws ContributionReadException Failed to read the contribution
- */
- private void loadFromXML(SpringImplementation implementation, ModelResolver resolver) throws ContributionReadException {
- XMLStreamReader reader;
- List<SpringBeanElement> beans = new ArrayList<SpringBeanElement>();
- List<SpringSCAServiceElement> services = new ArrayList<SpringSCAServiceElement>();
- List<SpringSCAReferenceElement> references = new ArrayList<SpringSCAReferenceElement>();
- List<SpringSCAPropertyElement> scaproperties = new ArrayList<SpringSCAPropertyElement>();
-
- URL resource;
-
- String contextPath = implementation.getLocation();
-
- try {
- resource = resolveLocation(resolver, contextPath);
- resource = getApplicationContextResource(resource);
- implementation.setResource(resource);
- // The URI is used to uniquely identify the Implementation
- implementation.setURI(resource.toString());
- reader = xmlInputFactory.createXMLStreamReader(resource.openStream());
-
- // System.out.println("Spring TypeLoader - starting to read context file");
- readContextDefinition(resolver, reader, contextPath, beans, services, references, scaproperties);
-
- } catch (IOException e) {
- throw new ContributionReadException(e);
- } catch (XMLStreamException e) {
- throw new ContributionReadException(e);
- }
-
- /* At this point, the complete application-context.xml file has been read and its contents */
- /* stored in the lists of beans, services, references. These are now used to generate */
- /* the implied componentType for the application context */
- generateComponentType(implementation, resolver, beans, services, references, scaproperties);
-
- return;
- } // end method loadFromXML
-
- private URL resolveLocation(ModelResolver resolver, String contextPath) throws MalformedURLException,
- ContributionReadException {
- URL resource = null;
- URI uri = URI.create(contextPath);
- if (!uri.isAbsolute()) {
- Artifact artifact = contributionFactory.createArtifact();
- artifact.setUnresolved(true);
- artifact.setURI(contextPath);
- artifact = resolver.resolveModel(Artifact.class, artifact);
- if (!artifact.isUnresolved()) {
- resource = new URL(artifact.getLocation());
- } else {
- throw new ContributionReadException("Location cannot be resloved: " + contextPath);
- }
- } else {
- resource = new URL(contextPath);
- }
- return resource;
- }
-
- /**
- * Method which returns the XMLStreamReader for the Spring application-context.xml file
- * specified in the location attribute
- */
- private XMLStreamReader getApplicationContextReader(ModelResolver resolver, String location) throws ContributionReadException {
-
- try {
- URL resource = getApplicationContextResource(resolveLocation(resolver, location));
- XMLStreamReader reader =
- xmlInputFactory.createXMLStreamReader(resource.openStream());
- return reader;
- } catch (IOException e) {
- throw new ContributionReadException(e);
- } catch (XMLStreamException e) {
- throw new ContributionReadException(e);
- }
- }
-
- /**
- * Method which reads the spring context definitions from Spring application-context.xml
- * file and identifies the defined beans, properties, services and references
- */
- private void readContextDefinition(ModelResolver resolver,
- XMLStreamReader reader,
- String contextPath,
- List<SpringBeanElement> beans,
- List<SpringSCAServiceElement> services,
- List<SpringSCAReferenceElement> references,
- List<SpringSCAPropertyElement> scaproperties) throws ContributionReadException {
-
- SpringBeanElement bean = null;
-
- try {
- boolean completed = false;
- while (!completed) {
- switch (reader.next()) {
- case START_ELEMENT:
- QName qname = reader.getName();
- //System.out.println("Spring TypeLoader - found element with name: " + qname.toString());
- if (SpringImplementationConstants.IMPORT_ELEMENT.equals(qname)) {
- //FIXME - put the sequence of code below which gets the ireader into a subsidiary method
- String location = reader.getAttributeValue(null, "resource");
- if (location != null) {
- // FIXME - need to find a right way of generating this path
- String resourcePath = contextPath.substring(0, contextPath.lastIndexOf("/")+1) + location;
- XMLStreamReader ireader = getApplicationContextReader(resolver, resourcePath);
- // Read the context definition for the identified imported resource
- readContextDefinition(resolver, ireader, contextPath, beans, services, references, scaproperties);
- }
- } else if (SpringImplementationConstants.SERVICE_ELEMENT.equals(qname)) {
- SpringSCAServiceElement service =
- new SpringSCAServiceElement(reader.getAttributeValue(null, "name"), reader
- .getAttributeValue(null, "type"), reader.getAttributeValue(null, "target"));
- services.add(service);
- } else if (SpringImplementationConstants.REFERENCE_ELEMENT.equals(qname)) {
- SpringSCAReferenceElement reference =
- new SpringSCAReferenceElement(reader.getAttributeValue(null, "name"), reader
- .getAttributeValue(null, "type"));
- references.add(reference);
- } else if (SpringImplementationConstants.SCAPROPERTY_ELEMENT.equals(qname)) {
- SpringSCAPropertyElement scaproperty =
- new SpringSCAPropertyElement(reader.getAttributeValue(null, "name"), reader
- .getAttributeValue(null, "type"));
- scaproperties.add(scaproperty);
- } else if (SpringImplementationConstants.BEAN_ELEMENT.equals(qname)) {
- bean = new SpringBeanElement(reader.getAttributeValue(null, "id"), reader
- .getAttributeValue(null, "class"));
- beans.add(bean);
- // Read the <bean> element and its child elements
- readBeanDefinition(resolver, reader, contextPath, bean, beans, services, references, scaproperties);
- } // end if*/
- break;
- case END_ELEMENT:
- if (SpringImplementationConstants.BEANS_ELEMENT.equals(reader.getName())) {
- //System.out.println("Spring TypeLoader - finished read of context file");
- completed = true;
- break;
- } // end if
- } // end switch
- } // end while
- } catch (XMLStreamException e) {
- throw new ContributionReadException(e);
- }
- }
-
-
- /**
- * Method which reads the bean definitions from Spring application-context.xml file and identifies
- * the defined beans, properties, services and references
- */
- private void readBeanDefinition(ModelResolver resolver,
- XMLStreamReader reader,
- String contextPath,
- SpringBeanElement bean,
- List<SpringBeanElement> beans,
- List<SpringSCAServiceElement> services,
- List<SpringSCAReferenceElement> references,
- List<SpringSCAPropertyElement> scaproperties) throws ContributionReadException {
-
- SpringBeanElement innerbean = null;
- SpringPropertyElement property = null;
- SpringConstructorArgElement constructorArg = null;
- int autoConstructorIndex = -1;
-
- try {
- boolean completed = false;
- while (!completed) {
- switch (reader.next()) {
- case START_ELEMENT:
- QName qname = reader.getName();
- if (SpringImplementationConstants.BEAN_ELEMENT.equals(qname)) {
- innerbean = new SpringBeanElement(reader.getAttributeValue(null, "id"), reader
- .getAttributeValue(null, "class"));
- innerbean.setInnerBean(true);
- beans.add(innerbean);
- readBeanDefinition(resolver, reader, contextPath, innerbean, beans, services, references, scaproperties);
- } else if (SpringImplementationConstants.PROPERTY_ELEMENT.equals(qname)) {
- property = new SpringPropertyElement(reader.getAttributeValue(null, "name"), reader
- .getAttributeValue(null, "ref"));
- bean.addProperty(property);
- } else if (SpringImplementationConstants.CONSTRUCTORARG_ELEMENT.equals(qname)) {
- constructorArg = new SpringConstructorArgElement(reader.getAttributeValue(null, "ref"),
- reader.getAttributeValue(null, "type"));
- autoConstructorIndex++;
- constructorArg.setAutoIndex(autoConstructorIndex);
- if (reader.getAttributeValue(null, "index") != null)
- constructorArg.setIndex((new Integer(reader.getAttributeValue(null, "index"))).intValue());
- if (reader.getAttributeValue(null, "value") != null) {
- String value = reader.getAttributeValue(null, "value");
- constructorArg.addValue(value);
- if ((value.indexOf(".xml") != -1)) {
- if ((bean.getClassName().indexOf(".ClassPathXmlApplicationContext") != -1) ||
- (bean.getClassName().indexOf(".FileSystemXmlApplicationContext") != -1)) {
- XMLStreamReader creader = getApplicationContextReader(resolver, value);
- // Read the context definition for the constructor-arg resources
- readContextDefinition(resolver, creader, contextPath, beans, services, references, scaproperties);
- }
- }
- }
- bean.addCustructorArgs(constructorArg);
- } else if (SpringImplementationConstants.REF_ELEMENT.equals(qname)) {
- String ref = reader.getAttributeValue(null, "bean");
- // Check if the parent element is a property
- if (property != null) property.setRef(ref);
- // Check if the parent element is a constructor-arg
- if (constructorArg != null) constructorArg.setRef(ref);
- } else if (SpringImplementationConstants.VALUE_ELEMENT.equals(qname)) {
- String value = reader.getElementText();
- // Check if the parent element is a constructor-arg
- if (constructorArg != null) {
- constructorArg.addValue(value);
- // Identify the XML resource specified for the constructor-arg element
- if ((value.indexOf(".xml") != -1)) {
- if ((bean.getClassName().indexOf(".ClassPathXmlApplicationContext") != -1) ||
- (bean.getClassName().indexOf(".FileSystemXmlApplicationContext") != -1)) {
- XMLStreamReader creader = getApplicationContextReader(resolver, value);
- // Read the context definition for the constructor-arg resources
- readContextDefinition(resolver, creader, contextPath, beans, services, references, scaproperties);
- }
- }
- }
- } // end if
- break;
- case END_ELEMENT:
- if (SpringImplementationConstants.BEAN_ELEMENT.equals(reader.getName())) {
- completed = true;
- break;
- } else if (SpringImplementationConstants.PROPERTY_ELEMENT.equals(reader.getName())) {
- property = null;
- } else if (SpringImplementationConstants.CONSTRUCTORARG_ELEMENT.equals(reader.getName())) {
- constructorArg = null;
- } // end if
- } // end switch
- } // end while
- } catch (XMLStreamException e) {
- throw new ContributionReadException(e);
- }
- }
-
- /**
- * Generates the Spring implementation component type from the configuration contained in the
- * lists of beans, services, references and scaproperties derived from the application context
- */
- private void generateComponentType(SpringImplementation implementation,
- ModelResolver resolver,
- List<SpringBeanElement> beans,
- List<SpringSCAServiceElement> services,
- List<SpringSCAReferenceElement> references,
- List<SpringSCAPropertyElement> scaproperties) throws ContributionReadException {
- /*
- * 1. Each sca:service becomes a service in the component type
- * 2. Each sca:reference becomes a reference in the component type
- * 3. Each sca:property becomes a property in the component type
- * 4. IF there are no explicit service elements, each bean becomes a service
- * 5. Each bean property which is a reference not pointing at another bean in the
- * application context becomes a reference unless it is pointing at one of the references
- * 6. Each bean property which is not a reference and which is not pointing
- * at another bean in the application context becomes a property in the component type
- */
-
- JavaImplementation javaImplementation = null;
- ComponentType componentType = implementation.getComponentType();
-
- try {
- // Deal with the services first....
- Iterator<SpringSCAServiceElement> its = services.iterator();
- while (its.hasNext()) {
- SpringSCAServiceElement serviceElement = its.next();
- Class<?> interfaze = resolveClass(resolver, serviceElement.getType());
- Service theService = createService(interfaze, serviceElement.getName());
- componentType.getServices().add(theService);
- // Add this service to the Service / Bean map
- String beanName = serviceElement.getTarget();
- for (SpringBeanElement beanElement : beans) {
- if (beanName.equals(beanElement.getId())) {
- implementation.setBeanForService(theService, beanElement);
- }
- } // end for
- } // end while
-
- // Next handle the references
- Iterator<SpringSCAReferenceElement> itr = references.iterator();
- while (itr.hasNext()) {
- SpringSCAReferenceElement referenceElement = itr.next();
- Class<?> interfaze = resolveClass(resolver, referenceElement.getType());
- Reference theReference = createReference(interfaze, referenceElement.getName());
- componentType.getReferences().add(theReference);
- } // end while
-
- // Next handle the properties
- Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator();
- while (itsp.hasNext()) {
- SpringSCAPropertyElement scaproperty = itsp.next();
- // Create a component type property if the SCA property element has a name
- // and a type declared...
- if (scaproperty.getType() != null && scaproperty.getName() != null) {
- Property theProperty = assemblyFactory.createProperty();
- theProperty.setName(scaproperty.getName());
- // Get the Java class and then an XSD element type for the property
- Class<?> propType = Class.forName(scaproperty.getType());
- theProperty.setXSDType(JavaXMLMapper.getXMLType(propType));
- componentType.getProperties().add(theProperty);
- // Remember the Java Class (ie the type) for this property
- implementation.setPropertyClass(theProperty.getName(), propType);
- } // end if
- } // end while
-
- // Finally deal with the beans
- Iterator<SpringBeanElement> itb;
- // If there are no explicit service elements, then expose all the beans
- if (services.isEmpty()) {
- itb = beans.iterator();
- // Loop through all the beans found
- while (itb.hasNext()) {
- SpringBeanElement beanElement = itb.next();
- // If its a innerBean, ignore it
- if (beanElement.isInnerBean()) continue;
- // Load the Spring bean class
- Class<?> beanClass = resolveClass(resolver, beanElement.getClassName());
- // Introspect the bean
- beanIntrospector =
- new SpringBeanIntrospector(assemblyFactory, javaFactory, policyFactory, beanElement.getCustructorArgs());
- ComponentType beanComponentType = assemblyFactory.createComponentType();
- javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType);
- // Get the service interface defined by this Spring Bean and add to
- // the component type of the Spring Assembly
- List<Service> beanServices = beanComponentType.getServices();
- componentType.getServices().addAll(beanServices);
- // Add these services to the Service / Bean map
- for (Service beanService : beanServices) {
- implementation.setBeanForService(beanService, beanElement);
- }
- } // end while
- } // end if
-
- itb = beans.iterator();
- while (itb.hasNext()) {
- SpringBeanElement beanElement = itb.next();
- // Ignore if the bean has no properties and constructor arguments
- if (beanElement.getProperties().isEmpty() && beanElement.getCustructorArgs().isEmpty())
- continue;
-
- Class<?> beanClass = resolveClass(resolver, beanElement.getClassName());
- // Introspect the bean
- beanIntrospector =
- new SpringBeanIntrospector(assemblyFactory, javaFactory, policyFactory, beanElement.getCustructorArgs());
- ComponentType beanComponentType = assemblyFactory.createComponentType();
- javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType);
- Map<String, JavaElementImpl> propertyMap = javaImplementation.getPropertyMembers();
- JavaConstructorImpl constructor = javaImplementation.getConstructor();
- // Get the references by this Spring Bean and add the unresolved ones to
- // the component type of the Spring Assembly
- List<Reference> beanReferences = beanComponentType.getReferences();
- List<Property> beanProperties = beanComponentType.getProperties();
-
- Iterator<SpringPropertyElement> itp = beanElement.getProperties().iterator();
- while (itp.hasNext()) {
- SpringPropertyElement propertyElement = itp.next();
- if (propertyRefUnresolved(propertyElement.getRef(), beans, references, scaproperties)) {
- // This means an unresolved reference from the spring bean...
- for (Reference reference : beanReferences) {
- if (propertyElement.getName().equals(reference.getName())) {
- // The name of the reference in this case is the string in
- // the @ref attribute of the Spring property element, NOT the
- // name of the field in the Spring bean....
- reference.setName(propertyElement.getRef());
- componentType.getReferences().add(reference);
- } // end if
- } // end for
-
- // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
- for (Property scaproperty : beanProperties) {
- if (propertyElement.getName().equals(scaproperty.getName())) {
- // The name of the reference in this case is the string in
- // the @ref attribute of the Spring property element, NOT the
- // name of the field in the Spring bean....
- Class<?> interfaze = resolveClass(resolver, (propertyMap.get(propertyElement.getName()).getType()).getName());
- Reference theReference = createReference(interfaze, propertyElement.getRef());
- implementation.setUnresolvedBeanRef(propertyElement.getRef(), theReference);
- } // end if
- } // end for
- } // end if
- } // end while
-
- Iterator<SpringConstructorArgElement> itcr = beanElement.getCustructorArgs().iterator();
- while (itcr.hasNext()) {
- SpringConstructorArgElement conArgElement = itcr.next();
- if (propertyRefUnresolved(conArgElement.getRef(), beans, references, scaproperties)) {
- for (JavaParameterImpl parameter : constructor.getParameters()) {
- String paramType = parameter.getType().getName();
- Class<?> interfaze = resolveClass(resolver, paramType);
- // Create a component type reference/property if the constructor-arg element has a
- // type attribute OR index attribute declared...
- if ((conArgElement.getType() != null && paramType.equals(conArgElement.getType())) ||
- (conArgElement.getIndex() != -1 && (conArgElement.getIndex() == parameter.getIndex())) ||
- (conArgElement.getAutoIndex() == parameter.getIndex()))
- {
- if (parameter.getClassifer().getName().equals("org.osoa.sca.annotations.Reference")) {
- Reference theReference = createReference(interfaze, conArgElement.getRef());
- componentType.getReferences().add(theReference);
- }
- if (parameter.getClassifer().getName().equals("org.osoa.sca.annotations.Property")) {
- // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
- // we might need to verify with the component definition later.
- Reference theReference = createReference(interfaze, conArgElement.getRef());
- implementation.setUnresolvedBeanRef(conArgElement.getRef(), theReference);
- }
- }
- } // end for
- } // end if
- } // end while
-
- } // end while
-
- } catch (ClassNotFoundException e) {
- // Means that either an interface class, property class or a bean was not found
- throw new ContributionReadException(e);
- } catch (InvalidInterfaceException e) {
- throw new ContributionReadException(e);
- } catch (ContributionResolveException e) {
-
- } // end try
-
- // If we get here, the Spring assembly component type is resolved
- componentType.setUnresolved(false);
- implementation.setComponentType(componentType);
- return;
- } // end method generateComponentType
-
- /*
- * Determines whether a reference attribute of a Spring property element is resolved either
- * by a bean in the application context or by an SCA reference element or by an SCA property
- * element
- * @param ref - a String containing the name of the reference - may be null
- * @param beans - a List of SpringBean elements
- * @param references - a List of SCA reference elements
- * @return true if the property is not resolved, false if it is resolved
- */
- private boolean propertyRefUnresolved(String ref,
- List<SpringBeanElement> beans,
- List<SpringSCAReferenceElement> references,
- List<SpringSCAPropertyElement> scaproperties) {
- boolean unresolved = true;
-
- if (ref != null) {
- // Scan over the beans looking for a match
- Iterator<SpringBeanElement> itb = beans.iterator();
- while (itb.hasNext()) {
- SpringBeanElement beanElement = itb.next();
- // Does the bean name match the ref?
- if (ref.equals(beanElement.getId())) {
- unresolved = false;
- break;
- } // end if
- } // end while
- // Scan over the SCA reference elements looking for a match
- if (unresolved) {
- Iterator<SpringSCAReferenceElement> itr = references.iterator();
- while (itr.hasNext()) {
- SpringSCAReferenceElement referenceElement = itr.next();
- if (ref.equals(referenceElement.getName())) {
- unresolved = false;
- break;
- } // end if
- } // end while
- } // end if
- // Scan over the SCA property elements looking for a match
- if (unresolved) {
- Iterator<SpringSCAPropertyElement> itsp = scaproperties.iterator();
- while (itsp.hasNext()) {
- SpringSCAPropertyElement propertyElement = itsp.next();
- if (ref.equals(propertyElement.getName())) {
- unresolved = false;
- break;
- } // end if
- } // end while
- } // end if
- } else {
- // In the case where ref = null, the property is not going to be a reference of any
- // kind and can be ignored
- unresolved = false;
- } // end if
-
- return unresolved;
-
- } // end method propertyRefUnresolved
-
- /**
- * Gets hold of the application-context.xml file as a Spring resource
- * @param locationAttr - the location attribute from the <implementation.spring../> element
- * @param cl - the ClassLoader for the Spring implementation
- */
- protected URL getApplicationContextResource(URL url)
- throws ContributionReadException {
- File manifestFile = null;
- File appXmlFile;
- File locationFile = null;
-
- if (url != null) {
- String path = url.getPath();
- locationFile = new File(path);
- } else {
- throw new ContributionReadException(
- "SpringXMLLoader getApplicationContextResource: " + "unable to find resource file "
- + url);
- }
-
- if (locationFile.isDirectory()) {
- try {
- manifestFile = new File(locationFile, "META-INF"+ File.separator +"MANIFEST.MF");
- if (manifestFile.exists()) {
- Manifest mf = new Manifest(new FileInputStream(manifestFile));
- Attributes mainAttrs = mf.getMainAttributes();
- String appCtxPath = mainAttrs.getValue("Spring-Context");
- if (appCtxPath != null) {
- appXmlFile = new File(locationFile, appCtxPath);
- if (appXmlFile.exists()) {
- return appXmlFile.toURL();
- }
- }
- }
- // no manifest-specified Spring context, use default
- appXmlFile = new File(locationFile, "META-INF" + File.separator + "spring"
- + File.separator + SpringImplementationConstants.APPLICATION_CONTEXT);
- if (appXmlFile.exists()) {
- return appXmlFile.toURL();
- }
- } catch (IOException e) {
- throw new ContributionReadException("Error reading manifest " + manifestFile);
- }
- } else {
- if (locationFile.isFile() && locationFile.getName().endsWith(".jar")) {
- try {
- JarFile jf = new JarFile(locationFile);
- JarEntry je;
- Manifest mf = jf.getManifest();
- if (mf != null) {
- Attributes mainAttrs = mf.getMainAttributes();
- String appCtxPath = mainAttrs.getValue("Spring-Context");
- if (appCtxPath != null) {
- je = jf.getJarEntry(appCtxPath);
- if (je != null) {
- // TODO return a Spring specific Resource type for jars
- return new URL("jar:" + locationFile.toURI().toURL() + "!/" + appCtxPath);
- }
- }
- }
- je = jf.getJarEntry("META-INF" + "/" + "spring" + "/" + SpringImplementationConstants.APPLICATION_CONTEXT);
- if (je != null) {
- return new URL("jar:" + locationFile.toURI().toURL() + "!/" + SpringImplementationConstants.APPLICATION_CONTEXT);
- }
- } catch (IOException e) {
- // bad archive
- // TODO: create a more appropriate exception type
- throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: "
- + " IO exception reading context file.", e);
- }
- }
- else {
- if (locationFile.getName().endsWith(".xml")) {
- return url;
- }
- else {
- // Deal with the directory inside a jar file, in case the contribution itself is a JAR file.
- try {
- if (locationFile.getPath().indexOf(".jar") > 0) {
- String jarEntry = url.getPath().substring(6, url.getPath().indexOf("!"));
- JarFile jf = new JarFile(jarEntry);
- JarEntry je = jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/")+2)
- + "/" + "META-INF" + "/" + "MANIFEST.MF");
- if (je != null) {
- Manifest mf = new Manifest(jf.getInputStream(je));
- Attributes mainAttrs = mf.getMainAttributes();
- String appCtxPath = mainAttrs.getValue("Spring-Context");
- if (appCtxPath != null) {
- je = jf.getJarEntry(url.getPath().substring(url.getPath().indexOf("!/")+2) + "/" + appCtxPath);
- if (je != null) {
- return new URL("jar:" + url.getPath() + "/" + appCtxPath);
- }
- }
- }
- }
- } catch (IOException e) {
- throw new ContributionReadException("Error reading manifest " + manifestFile);
- }
- }
- }
- }
-
- throw new ContributionReadException("SpringXMLLoader getApplicationContextResource: "
- + "META-INF/spring/" + SpringImplementationConstants.APPLICATION_CONTEXT + "not found");
- } // end method getApplicationContextResource
-
- /**
- * Creates a Service for the component type based on its name and Java interface
- */
- public Service createService(Class<?> interfaze, String name) throws InvalidInterfaceException {
- Service service = assemblyFactory.createService();
- JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
- service.setInterfaceContract(interfaceContract);
-
- // Set the name for the service
- service.setName(name);
-
- // Set the call interface and, if present, the callback interface
- JavaInterface callInterface = javaFactory.createJavaInterface(interfaze);
- service.getInterfaceContract().setInterface(callInterface);
- if (callInterface.getCallbackClass() != null) {
- JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
- service.getInterfaceContract().setCallbackInterface(callbackInterface);
- }
- return service;
- } // end method createService
-
- /**
- * Creates a Reference for the component type based on its name and Java interface
- */
- private org.apache.tuscany.sca.assembly.Reference createReference(Class<?> interfaze, String name)
- throws InvalidInterfaceException {
- org.apache.tuscany.sca.assembly.Reference reference = assemblyFactory.createReference();
- JavaInterfaceContract interfaceContract = javaFactory.createJavaInterfaceContract();
- reference.setInterfaceContract(interfaceContract);
-
- // Set the name of the reference to the supplied name and the multiplicity of the reference
- // to 1..1 - for Spring implementations, this is the only multiplicity supported
- reference.setName(name);
- reference.setMultiplicity(Multiplicity.ONE_ONE);
-
- // Set the call interface and, if present, the callback interface
- JavaInterface callInterface = javaFactory.createJavaInterface(interfaze);
- reference.getInterfaceContract().setInterface(callInterface);
- if (callInterface.getCallbackClass() != null) {
- JavaInterface callbackInterface = javaFactory.createJavaInterface(callInterface.getCallbackClass());
- reference.getInterfaceContract().setCallbackInterface(callbackInterface);
- }
-
- return reference;
- }
-} // end class SpringXMLComponentTypeLoader
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