diff options
Diffstat (limited to 'sandbox/ant/sca/tags/2.0-M2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaClassIntrospectorImpl.java')
-rw-r--r-- | sandbox/ant/sca/tags/2.0-M2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaClassIntrospectorImpl.java | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/sandbox/ant/sca/tags/2.0-M2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaClassIntrospectorImpl.java b/sandbox/ant/sca/tags/2.0-M2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaClassIntrospectorImpl.java deleted file mode 100644 index 6cb5e3730b..0000000000 --- a/sandbox/ant/sca/tags/2.0-M2/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaClassIntrospectorImpl.java +++ /dev/null @@ -1,143 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.implementation.java.impl; - -import java.lang.reflect.Constructor; -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.util.List; -import java.util.Set; - -import org.apache.tuscany.sca.implementation.java.IntrospectionException; -import org.apache.tuscany.sca.implementation.java.JavaConstructorImpl; -import org.apache.tuscany.sca.implementation.java.JavaImplementation; -import org.apache.tuscany.sca.implementation.java.JavaParameterImpl; -import org.apache.tuscany.sca.implementation.java.introspect.JavaClassVisitor; -import org.apache.tuscany.sca.implementation.java.introspect.JavaIntrospectionHelper; - -/** - * An extensible Java class introspector implementation. - * - * @version $Rev$ $Date$ - */ -public class JavaClassIntrospectorImpl { - - private List<JavaClassVisitor> visitors; - - public JavaClassIntrospectorImpl(List<JavaClassVisitor> visitors) { - this.visitors = visitors; - } - - /** - * JSR-250 PFD recommends the following guidelines for how annotations - * interact with inheritance in order to keep the resulting complexity in - * control: - * <ol> - * <li>Class-level annotations only affect the class they annotate and - * their members, that is, its methods and fields. They never affect a - * member declared by a superclass, even if it is not hidden or overridden - * by the class in question. - * <li>In addition to affecting the annotated class, class-level - * annotations may act as a shorthand for member-level annotations. If a - * member carries a specific member-level annotation, any annotations of the - * same type implied by a class-level annotation are ignored. In other - * words, explicit member-level annotations have priority over member-level - * annotations implied by a class-level annotation. - * <li>The interfaces implemented by a class never contribute annotations - * to the class itself or any of its members. - * <li>Members inherited from a superclass and which are not hidden or - * overridden maintain the annotations they had in the class that declared - * them, including member-level annotations implied by class-level ones. - * <li>Member-level annotations on a hidden or overridden member are always - * ignored. - * </ol> - */ - public void introspectClass(JavaImplementation type, Class<?> clazz) - throws IntrospectionException { - for (JavaClassVisitor extension : visitors) { - extension.visitClass(clazz, type); - } - - for (Constructor<?> constructor : clazz.getConstructors()) { - for (JavaClassVisitor extension : visitors) { - extension.visitConstructor(constructor, type); - // Assuming the visitClass or visitConstructor will populate the - // type.getConstructors - JavaConstructorImpl<?> definition = type.getConstructors().get(constructor); - if (definition != null) { - for (JavaParameterImpl p : definition.getParameters()) { - extension.visitConstructorParameter(p, type); - } - } - } - } - - Set<Field> fields = JavaIntrospectionHelper.getAllPublicAndProtectedFields(clazz, true); - for (Field field : fields) { - for (JavaClassVisitor extension : visitors) { - extension.visitField(field, type); - } - } - - // Check if any private fields have illegal annotations that should be raised as errors - Set<Field> privateFields = JavaIntrospectionHelper.getPrivateFields(clazz); - for (Field field : privateFields) { - for (JavaClassVisitor processor : visitors) { - processor.visitField(field, type); - } - } - - Set<Method> methods = JavaIntrospectionHelper.getAllUniquePublicProtectedMethods(clazz, true); - for (Method method : methods) { - for (JavaClassVisitor processor : visitors) { - processor.visitMethod(method, type); - } - } - - // Check if any private methods have illegal annotations that should be raised as errors - Set<Method> privateMethods = JavaIntrospectionHelper.getPrivateMethods(clazz); - for (Method method : privateMethods) { - for (JavaClassVisitor processor : visitors) { - processor.visitMethod(method, type); - } - } - - Class<?> superClass = clazz.getSuperclass(); - if (superClass != null) { - visitSuperClass(superClass, type); - } - - for (JavaClassVisitor extension : visitors) { - extension.visitEnd(clazz, type); - } - } - - private void visitSuperClass(Class<?> clazz, JavaImplementation type) throws IntrospectionException { - if (!Object.class.equals(clazz)) { - for (JavaClassVisitor extension : visitors) { - extension.visitSuperClass(clazz, type); - } - clazz = clazz.getSuperclass(); - if (clazz != null) { - visitSuperClass(clazz, type); - } - } - } - -} |