/*
* Copyright 2011 <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
*
* Licensed 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.ocpsoft.rewrite.annotation;
import static org.fest.assertions.api.Assertions.assertThat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.annotation.Resource;
import org.junit.Test;
import org.ocpsoft.rewrite.annotation.api.ClassContext;
import org.ocpsoft.rewrite.annotation.api.ClassVisitor;
import org.ocpsoft.rewrite.annotation.api.FieldContext;
import org.ocpsoft.rewrite.annotation.api.HandlerChain;
import org.ocpsoft.rewrite.annotation.spi.AnnotationHandler;
/**
* Verify the behavior of {@link ClassVisitorImpl} in inheritance scenarios
*
* @author Christian Kaltepoth
*/
public class ClassVisitorInheritanceTest
{
private final TestHandler handler = new TestHandler();
@SuppressWarnings("rawtypes")
private final List handlers = Arrays.asList(handler);
@SuppressWarnings("unchecked")
private final ClassVisitor visitor = new ClassVisitorImpl(handlers, null);
@Test
public void classWithoutSuperClass()
{
visitor.visit(SimpleClass.class);
/*
* The hander visits the class and all the fields
*/
assertThat(handler.getElements())
.contains("SimpleClass")
.contains("field");
}
@Test
public void classWithSuperClass()
{
visitor.visit(SimpleSubClass.class);
/*
* The handler visits the class, all the fields (including the ones
* declared in the super class), but not the super class itself.
*/
assertThat(handler.getElements())
.contains("SimpleSubClass")
.contains("field1")
.contains("field2")
.doesNotContain("SimpleSuperClass");
}
private static class TestHandler implements AnnotationHandler<Resource>
{
private final List<String> elements = new ArrayList<String>();
@Override
public int priority()
{
return 0;
}
@Override
public Class<Resource> handles()
{
return Resource.class;
}
@Override
public void process(ClassContext context, Resource annotation, HandlerChain chain)
{
if (context instanceof FieldContext) {
FieldContext fieldContext = (FieldContext) context;
elements.add(fieldContext.getJavaField().getName());
}
else if (context instanceof ClassContext) {
ClassContext classContext = (ClassContext) context;
elements.add(classContext.getJavaClass().getSimpleName());
// trigger creation of a RuleBuilder
context.getRuleBuilder();
}
}
public List<String> getElements()
{
return elements;
}
}
@Resource
private static class SimpleClass
{
@Resource
@SuppressWarnings("unused")
private String field;
}
@Resource
private static class SimpleSuperClass
{
@Resource
@SuppressWarnings("unused")
private String field2;
}
@Resource
private static class SimpleSubClass extends SimpleSuperClass
{
@Resource
@SuppressWarnings("unused")
private String field1;
}
}