/**
* 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.marmotta.platform.core.test.base.jetty;
import org.jboss.resteasy.cdi.CdiConstructorInjector;
import org.jboss.resteasy.cdi.CdiPropertyInjector;
import org.jboss.resteasy.cdi.ResteasyCdiExtension;
import org.jboss.resteasy.core.ValueInjector;
import org.jboss.resteasy.logging.Logger;
import org.jboss.resteasy.spi.ConstructorInjector;
import org.jboss.resteasy.spi.InjectorFactory;
import org.jboss.resteasy.spi.MethodInjector;
import org.jboss.resteasy.spi.PropertyInjector;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import org.jboss.resteasy.spi.metadata.Parameter;
import org.jboss.resteasy.spi.metadata.ResourceClass;
import org.jboss.resteasy.spi.metadata.ResourceConstructor;
import org.jboss.resteasy.spi.metadata.ResourceLocator;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;
/**
* Custom injector component for the test environment
* <p/>
* Author: Sebastian Schaffert
*/
@SuppressWarnings("rawtypes")
public class TestInjectorFactory implements InjectorFactory {
private static final Logger log = Logger.getLogger(TestInjectorFactory.class);
private InjectorFactory delegate;
private static BeanManager manager;
private ResteasyCdiExtension extension;
public TestInjectorFactory() {
this.delegate = ResteasyProviderFactory.getInstance().getInjectorFactory();
this.extension = lookupResteasyCdiExtension();
log.info("creating new RestEasy Injector Factory for LMF Test Environment");
}
public static void setManager(BeanManager manager) {
TestInjectorFactory.manager = manager;
}
@Override
public ConstructorInjector createConstructor(Constructor constructor, ResteasyProviderFactory factory) {
Class<?> clazz = constructor.getDeclaringClass();
if (!manager.getBeans(clazz).isEmpty())
{
log.debug("Using CdiConstructorInjector for class {0}.", clazz);
return new CdiConstructorInjector(clazz, manager);
}
log.debug("No CDI beans found for {0}. Using default ConstructorInjector.", clazz);
return delegate.createConstructor(constructor, factory);
}
@Override
public PropertyInjector createPropertyInjector(Class resourceClass, ResteasyProviderFactory factory) {
return new CdiPropertyInjector(delegate.createPropertyInjector(resourceClass, factory), resourceClass, Collections.<Class<?>, Type>emptyMap(), manager);
}
@Override
public MethodInjector createMethodInjector(ResourceLocator method, ResteasyProviderFactory factory) {
return delegate.createMethodInjector(method, factory);
}
@Override
public ValueInjector createParameterExtractor(Class injectTargetClass, AccessibleObject injectTarget, Class type, Type genericType, Annotation[] annotations, ResteasyProviderFactory factory) {
return delegate.createParameterExtractor(injectTargetClass, injectTarget, type, genericType, annotations, factory);
}
@Override
public ValueInjector createParameterExtractor(Class injectTargetClass, AccessibleObject injectTarget, Class type, Type genericType, Annotation[] annotations, boolean useDefault, ResteasyProviderFactory factory) {
return delegate.createParameterExtractor(injectTargetClass, injectTarget, type, genericType, annotations, useDefault, factory);
}
@Override
public ValueInjector createParameterExtractor(Parameter parameter, ResteasyProviderFactory providerFactory) {
return delegate.createParameterExtractor(parameter, providerFactory);
}
@Override
public PropertyInjector createPropertyInjector(ResourceClass resourceClass, ResteasyProviderFactory providerFactory) {
return delegate.createPropertyInjector(resourceClass, providerFactory);
}
@Override
public ConstructorInjector createConstructor(ResourceConstructor constructor, ResteasyProviderFactory providerFactory) {
return createConstructor(constructor.getConstructor(), providerFactory);
}
/**
* Lookup ResteasyCdiExtension instance that was instantiated during CDI bootstrap
*
* @return ResteasyCdiExtension instance
*/
private ResteasyCdiExtension lookupResteasyCdiExtension()
{
Set<Bean<?>> beans = manager.getBeans(ResteasyCdiExtension.class);
Bean<?> bean = manager.resolve(beans);
if (bean == null) throw new IllegalStateException("Unable to obtain ResteasyCdiExtension instance.");
CreationalContext<?> context = manager.createCreationalContext(bean);
return (ResteasyCdiExtension) manager.getReference(bean, ResteasyCdiExtension.class, context);
}
}