/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, 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.arquillian.container.impl.client.container;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.logging.Logger;
import org.jboss.arquillian.config.descriptor.api.ArquillianDescriptor;
import org.jboss.arquillian.config.descriptor.api.ContainerDef;
import org.jboss.arquillian.config.descriptor.api.GroupDef;
import org.jboss.arquillian.config.descriptor.impl.ContainerDefImpl;
import org.jboss.arquillian.container.impl.LocalContainerRegistry;
import org.jboss.arquillian.container.spi.ContainerRegistry;
import org.jboss.arquillian.container.spi.client.container.DeployableContainer;
import org.jboss.arquillian.core.api.Instance;
import org.jboss.arquillian.core.api.InstanceProducer;
import org.jboss.arquillian.core.api.annotation.ApplicationScoped;
import org.jboss.arquillian.core.api.annotation.Inject;
import org.jboss.arquillian.core.api.annotation.Observes;
import org.jboss.arquillian.core.spi.ServiceLoader;
/**
* ContainerRegistryCreator
*
* @author <a href="mailto:aslak@redhat.com">Aslak Knutsen</a>
* @version $Revision: $
*/
public class ContainerRegistryCreator
{
static final String ARQUILLIAN_LAUNCH_PROPERTY = "arquillian.launch";
static final String ARQUILLIAN_LAUNCH_DEFAULT = "arquillian.launch";
private Logger log = Logger.getLogger(ContainerRegistryCreator.class.getName());
@Inject @ApplicationScoped
private InstanceProducer<ContainerRegistry> registry;
@Inject
private Instance<ServiceLoader> loader;
public void createRegistry(@Observes ArquillianDescriptor event)
{
LocalContainerRegistry reg = new LocalContainerRegistry();
ServiceLoader serviceLoader = loader.get();
validateConfiguration(event);
String activeConfiguration = getActivatedConfiguration();
for(ContainerDef container : event.getContainers())
{
if(
(activeConfiguration != null && activeConfiguration.equals(container.getContainerName())) ||
(activeConfiguration == null && container.isDefault()))
{
reg.create(container, serviceLoader);
}
}
for(GroupDef group : event.getGroups())
{
if(
(activeConfiguration != null && activeConfiguration.equals(group.getGroupName())) ||
(activeConfiguration == null && group.isGroupDefault()))
{
for(ContainerDef container : group.getGroupContainers())
{
reg.create(container, serviceLoader);
}
}
}
if(activeConfiguration == null && reg.getContainers().size() == 0)
{
try
{
DeployableContainer<?> deployableContainer = serviceLoader.onlyOne(DeployableContainer.class);
if(deployableContainer != null)
{
reg.create(new ContainerDefImpl("arquillian.xml").setContainerName("default"), serviceLoader);
}
}
catch (Exception e)
{
// ignore
}
}
// export
registry.set(reg);
}
/**
* Validate that the Configuration given is sane
*
* @param desc The read Descriptor
*/
private void validateConfiguration(ArquillianDescriptor desc)
{
Object defaultConfig = null;
// verify only one container is marked as default
for(ContainerDef container : desc.getContainers())
{
if(container.isDefault())
{
if(defaultConfig != null)
{
throw new IllegalStateException("Multiple Containers defined as default, only one is allowed:\n" + defaultConfig + ":" + container);
}
defaultConfig = container;
}
}
boolean containerMarkedAsDefault = defaultConfig != null;
// verify only one container or group is marked as default
for(GroupDef group : desc.getGroups())
{
if(group.isGroupDefault())
{
if(defaultConfig != null)
{
if(containerMarkedAsDefault)
{
throw new IllegalStateException("Multiple Containers/Groups defined as default, only one is allowed:\n" + defaultConfig + ":" + group);
}
throw new IllegalStateException("Multiple Groups defined as default, only one is allowed:\n" + defaultConfig + ":" + group);
}
defaultConfig = group;
}
ContainerDef defaultInGroup = null;
// verify only one container in group is marked as default
for(ContainerDef container: group.getGroupContainers())
{
if(container.isDefault())
{
if(defaultInGroup != null)
{
throw new IllegalStateException("Multiple Containers within Group defined as default, only one is allowed:\n" + group);
}
defaultInGroup = container;
}
}
}
}
private String getActivatedConfiguration()
{
try
{
if(exists(System.getProperty(ARQUILLIAN_LAUNCH_PROPERTY)))
{
return System.getProperty(ARQUILLIAN_LAUNCH_PROPERTY);
}
InputStream arquillianLaunchStream = Thread.currentThread().getContextClassLoader()
.getResourceAsStream(ARQUILLIAN_LAUNCH_DEFAULT);
if(arquillianLaunchStream != null)
{
return readActivatedValue(new BufferedReader(new InputStreamReader(arquillianLaunchStream)));
}
}
catch (Exception e)
{
log.info("Could not read active container configuration: " + e.getMessage());
}
return null;
}
private String readActivatedValue(BufferedReader reader)
throws Exception
{
try
{
String value;
while( (value = reader.readLine()) != null)
{
if(value.startsWith("#"))
{
continue;
}
return value;
}
}
finally
{
reader.close();
}
return null;
}
private boolean exists(String value)
{
if(value == null || value.trim().length() == 0)
{
return false;
}
return true;
}
}