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* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.weld.tests.extensions.multipleBeans;
import org.jboss.weld.test.util.annotated.TestAnnotatedTypeBuilder;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.AnnotatedField;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.BeforeBeanDiscovery;
import javax.enterprise.inject.spi.Extension;
import javax.enterprise.inject.spi.ProcessAnnotatedType;
import javax.enterprise.util.AnnotationLiteral;
import javax.inject.Inject;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
/**
* Extension that registers addition types via the SPI
*
* @author Stuart Douglas <stuart@baileyroberts.com.au>
*/
public class MultipleBeansExtension implements Extension {
private boolean addedBlogFormatterSeen = false;
public void addNewAnnotatedTypes(@Observes BeforeBeanDiscovery event) throws SecurityException, NoSuchFieldException, NoSuchMethodException {
TestAnnotatedTypeBuilder<BlogFormatter> formatter = new TestAnnotatedTypeBuilder<BlogFormatter>(BlogFormatter.class);
Field content = BlogFormatter.class.getField("content");
formatter.addToField(content, new InjectLiteral());
formatter.addToField(content, new AuthorLiteral("Bob"));
Method format = BlogFormatter.class.getMethod("format");
formatter.addToMethod(format, new ProducesLiteral());
formatter.addToMethod(format, new FormattedBlogLiteral("Bob"));
event.addAnnotatedType(formatter.create());
TestAnnotatedTypeBuilder<BlogConsumer> consumer = new TestAnnotatedTypeBuilder<BlogConsumer>(BlogConsumer.class);
consumer.addToClass(new ConsumerLiteral("Bob"));
content = BlogConsumer.class.getField("blogContent");
consumer.addToField(content, new InjectLiteral());
consumer.addToField(content, new FormattedBlogLiteral("Bob"));
event.addAnnotatedType(consumer.create());
// two beans that are exactly the same
// this is not very useful, however should still work
TestAnnotatedTypeBuilder<UselessBean> uselessBuilder = new TestAnnotatedTypeBuilder<UselessBean>(UselessBean.class);
event.addAnnotatedType(uselessBuilder.create());
}
public void observeProcessBlogFormatter(@Observes ProcessAnnotatedType<BlogFormatter> event) {
AnnotatedType<BlogFormatter> type = event.getAnnotatedType();
for (AnnotatedField<? super BlogFormatter> f : type.getFields()) {
if (f.getJavaMember().getName().equals("content")) {
if (f.isAnnotationPresent(Author.class)) {
if (f.getAnnotation(Author.class).name().equals("Bob")) {
addedBlogFormatterSeen = true;
}
}
}
}
}
public boolean isAddedBlogFormatterSeen() {
return addedBlogFormatterSeen;
}
private static class InjectLiteral extends AnnotationLiteral<Inject> implements Inject {
}
private static class ProducesLiteral extends AnnotationLiteral<Produces> implements Produces {
}
}