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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.implementation.java.introspect.impl;
import static org.junit.Assert.assertEquals;
import java.lang.reflect.Constructor;
import org.apache.tuscany.sca.assembly.DefaultAssemblyFactory;
import org.apache.tuscany.sca.assembly.Property;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.implementation.java.DefaultJavaImplementationFactory;
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.JavaImplementationFactory;
import org.apache.tuscany.sca.interfacedef.java.DefaultJavaInterfaceFactory;
import org.junit.Test;
/**
* Verifies constructors that have extensible annotation types, i.e. that have
* parameters marked by annotations which are themselves processed by some other
* implementation processor
*
* @version $Rev$ $Date$
*/
public class HeutisticExtensibleConstructorTestCase extends AbstractProcessorTest {
private org.apache.tuscany.sca.implementation.java.introspect.impl.HeuristicPojoProcessor processor;
private JavaImplementationFactory javaImplementationFactory;
public HeutisticExtensibleConstructorTestCase() {
ExtensionPointRegistry registry = new DefaultExtensionPointRegistry();
processor = new HeuristicPojoProcessor(new DefaultAssemblyFactory(), new DefaultJavaInterfaceFactory(registry));
javaImplementationFactory = new DefaultJavaImplementationFactory();
}
private <T> void visitEnd(Class<T> clazz, JavaImplementation type) throws IntrospectionException {
for (Constructor<?> constructor : clazz.getConstructors()) {
visitConstructor(constructor, type);
}
processor.visitEnd(clazz, type);
}
/**
* Verifies heuristic processing can be called prior to an extension
* annotation processors being called.
*/
@Test
public void testBarAnnotationProcessedFirst() throws Exception {
JavaImplementation type = javaImplementationFactory.createJavaImplementation();
Constructor<Foo> ctor = Foo.class.getConstructor(String.class, String.class);
JavaConstructorImpl<Foo> definition = new JavaConstructorImpl<Foo>(ctor);
type.setConstructor(definition);
Property property = factory.createProperty();
property.setName("myBar");
definition.getParameters()[0].setName("myBar");
type.getProperties().add(property);
visitEnd(Foo.class, type);
assertEquals(2, type.getProperties().size());
}
/**
* Verifies heuristic processing can be called before an extension
* annotation processors is called. <p/> For example, given:
*
* <pre>
* Foo(@Bar String prop, @org.oasisopen.sca.annotation.Property(name = "foo") String prop2)
* </pre>
*
* <p/> Heuristic evaluation of
* @Property can occur prior to another implementation processor evaluating
* @Bar
* @throws Exception
*/
@Test
public void testBarAnnotationProcessedLast() throws Exception {
JavaImplementation type = javaImplementationFactory.createJavaImplementation();
visitEnd(Foo.class, type);
// now simulate process the bar impl
JavaConstructorImpl<?> definition = type.getConstructor();
definition.getParameters()[0].setName("myBar");
Property property = factory.createProperty();
property.setName("myBar");
type.getProperties().add(property);
assertEquals(2, type.getProperties().size());
assertEquals("foo", definition.getParameters()[1].getName());
}
/**
* Verifies heuristic processing can be called before an extension
* annotation processors is called with the extension parameter in a middle
* position. Specifically, verifies that the heuristic processor updates
* injection names and preserves their ordering.
*/
@Test
public void testBarAnnotationProcessedFirstInMiddle() throws Exception {
JavaImplementation type = javaImplementationFactory.createJavaImplementation();
Constructor<Foo2> ctor = Foo2.class.getConstructor(String.class, String.class, String.class);
JavaConstructorImpl<Foo2> definition = new JavaConstructorImpl<Foo2>(ctor);
type.setConstructor(definition);
// insert placeholder for first param, which would be done by a
// processor
definition.getParameters()[0].setName("");
Property property = factory.createProperty();
// Hack to add a property member
JavaElementImpl element = new JavaElementImpl("myBar", String.class, null);
type.getPropertyMembers().put("myBar", element);
property.setName("myBar");
definition.getParameters()[1].setName("myBar");
type.getProperties().add(property);
visitEnd(Foo2.class, type);
assertEquals("baz", definition.getParameters()[0].getName());
assertEquals(2, type.getProperties().size());
assertEquals(1, type.getReferences().size());
}
public @interface Bar {
}
public static class Foo {
public Foo(@Bar
String prop, @org.oasisopen.sca.annotation.Property(name = "foo")
String prop2) {
}
}
public static class Foo2 {
public Foo2(@org.oasisopen.sca.annotation.Reference(name = "baz")
String prop1, @Bar
String prop2, @org.oasisopen.sca.annotation.Property(name = "foo")
String prop3) {
}
}
}
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