ArquillianConfig.java

/*
 * Copyright 2015 Red Hat, Inc.
 *
 * 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.as.arquillian.service;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import org.jboss.arquillian.container.test.spi.util.ServiceLoader;
import org.jboss.arquillian.testenricher.msc.ServiceTargetAssociation;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.modules.Module;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;

/**
 * The ArquillianConfig represents an Arquillian deployment.
 *
 * @author Thomas.Diesler@jboss.com
 */
public class ArquillianConfig implements Service<ArquillianConfig> {

    private final List<ArquillianConfigServiceCustomizer> serviceCustomizers = new ArrayList<>();

    private final InjectedValue<ArquillianService> arquillianService = new InjectedValue<>();
    private final InjectedValue<DeploymentUnit> deploymentUnit = new InjectedValue<>();
    private final ServiceName serviceName;
    private final List<String> testClasses = new ArrayList<>();

    private static ServiceName getServiceName(String deploymentUnitName) {
        return ServiceName.JBOSS.append("arquillian", "config", deploymentUnitName);
    }

    ArquillianConfig(Set<String> testClasses, String deploymentUnitName) {
        this.serviceName = getServiceName(deploymentUnitName);
        this.testClasses.addAll(testClasses);

        for(ArquillianConfigServiceCustomizer customizer : ServiceLoader.load(ArquillianConfigServiceCustomizer.class)) {
            serviceCustomizers.add(customizer);
        }
    }

    ServiceBuilder<ArquillianConfig> addDeps(ServiceBuilder<ArquillianConfig> builder, ServiceController<?> depController) {

        for(ArquillianConfigServiceCustomizer customizer : serviceCustomizers) {
            customizer.customizeService(this, builder, depController);
        }
        return builder;
    }

    InjectedValue<DeploymentUnit> getDeploymentUnit() {
        return deploymentUnit;
    }

    ServiceName getServiceName() {
        return serviceName;
    }

    List<String> getTestClasses() {
        return Collections.unmodifiableList(testClasses);
    }

    Class<?> loadClass(String className) throws ClassNotFoundException {

        if (testClasses.contains(className) == false)
            throw new ClassNotFoundException("Class '" + className + "' not found in: " + testClasses);

        Module module = deploymentUnit.getValue().getAttachment(Attachments.MODULE);
        Class<?> testClass = module.getClassLoader().loadClass(className);

        for(ArquillianConfigServiceCustomizer customizer : serviceCustomizers) {
            customizer.customizeLoadClass(deploymentUnit.getValue(), testClass);
        }

        return testClass;
    }

    public InjectedValue<ArquillianService> getArquillianService() {
        return arquillianService;
    }

    @Override
    public synchronized void start(StartContext context) throws StartException {
        arquillianService.getValue().registerArquillianConfig(this);
        for(String testClass : testClasses) {
            ServiceTargetAssociation.setServiceTarget(testClass, context.getChildTarget());
        }
    }

    @Override
    public synchronized void stop(StopContext context) {
        context.getController().setMode(Mode.REMOVE);
        arquillianService.getValue().unregisterArquillianConfig(this);
        for(String testClass : testClasses) {
            ServiceTargetAssociation.clearServiceTarget(testClass);
        }
    }

    @Override
    public synchronized ArquillianConfig getValue() {
        return this;
    }

    @Override
    public String toString() {
        String uname = serviceName.getSimpleName();
        String sname = serviceName.getCanonicalName();
        return "ArquillianConfig[service=" + sname + ",unit=" + uname + ",tests=" + testClasses + "]";
    }
}