/*
* 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.myfaces.extensions.cdi.test;
import org.apache.myfaces.extensions.cdi.core.api.config.ConfiguredValueDescriptor;
import org.apache.myfaces.extensions.cdi.core.impl.config.ServiceLoaderResolver;
import org.apache.myfaces.extensions.cdi.test.spi.ServletContainerAwareCdiTestContainer;
import org.apache.myfaces.extensions.cdi.test.spi.TestContainer;
import org.apache.myfaces.extensions.cdi.test.spi.CdiTestContainer;
import org.apache.myfaces.extensions.cdi.test.spi.WebAppTestContainer;
import java.util.List;
/**
* @author Gerhard Petracek
*/
public class TestContainerFactory
{
private TestContainerFactory()
{
}
/**
* Creates a container which fulfills the given interface.
*
* @param expectedContainer type of the requested container
* @param <T> container type
* @return a new container for the given type
*/
public static <T extends TestContainer> T createTestContainer(Class<T> expectedContainer)
{
if(WebAppTestContainer.class.isAssignableFrom(expectedContainer))
{
return (T)getNewJsfTestContainer();
}
if(ServletContainerAwareCdiTestContainer.class.isAssignableFrom(expectedContainer))
{
return (T)getNewCdiTestContainer(true);
}
return (T)getNewCdiTestContainer(false);
}
private static WebAppTestContainer getNewJsfTestContainer()
{
List<WebAppTestContainer> testContainers =
new ServiceLoaderResolver()
.resolveInstances(new ConfiguredValueDescriptor<String, WebAppTestContainer>()
{
public String getKey()
{
return WebAppTestContainer.class.getSimpleName();
}
public Class<WebAppTestContainer> getTargetType()
{
return WebAppTestContainer.class;
}
});
if(testContainers.size() != 1)
{
if(testContainers.size() == 0)
{
throw new IllegalStateException("no implementation of " + WebAppTestContainer.class.getName()
+ " detected.");
}
StringBuilder foundImplementations = new StringBuilder();
for(WebAppTestContainer webAppTestContainer : testContainers)
{
foundImplementations.append("\n");
foundImplementations.append(webAppTestContainer.getClass().getName());
}
throw new IllegalStateException("only one implementation of " + WebAppTestContainer.class.getName()
+ " is allowed. Found implementations: " + foundImplementations.toString());
}
return testContainers.iterator().next();
}
private static CdiTestContainer getNewCdiTestContainer(boolean createServletContext)
{
List<CdiTestContainer> testContainers =
new ServiceLoaderResolver().resolveInstances(new ConfiguredValueDescriptor<String, CdiTestContainer>()
{
public String getKey()
{
return CdiTestContainer.class.getSimpleName();
}
public Class<CdiTestContainer> getTargetType()
{
return CdiTestContainer.class;
}
});
CdiTestContainer standaloneTestContainer = null;
for(CdiTestContainer testContainer : testContainers)
{
if(createServletContext && isServletContextAwareContainer(testContainer))
{
return testContainer;
}
else if(!isServletContextAwareContainer(testContainer))
{
standaloneTestContainer = testContainer;
}
}
if(standaloneTestContainer != null)
{
return standaloneTestContainer;
}
if(createServletContext)
{
throw new IllegalStateException("no embedded test-cdi-container found");
}
else
{
throw new IllegalStateException("no stand-alone test-cdi-container found");
}
}
private static boolean isServletContextAwareContainer(CdiTestContainer testContainer)
{
return ServletContainerAwareCdiTestContainer.class.isAssignableFrom(testContainer.getClass());
}
}