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/*
 * Copyright 2007-2008 the original author or authors.
 * 
 * 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.impalaframework.osgi.test;

import java.lang.reflect.Method;

import org.impalaframework.facade.Impala;
import org.impalaframework.module.ModuleDefinitionSource;
import org.impalaframework.module.RootModuleDefinition;
import org.impalaframework.osgi.util.OsgiUtils;
import org.impalaframework.util.ReflectionUtils;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.springframework.core.io.Resource;
import org.springframework.osgi.test.AbstractConfigurableBundleCreatorTests;
import org.springframework.osgi.test.provisioning.ArtifactLocator;

/**
 * Extends {@link AbstractConfigurableBundleCreatorTests} to support working with Impala in OSGi.
 * @author Phil Zoio
 */
public abstract class OsgiIntegrationTest extends AbstractConfigurableBundleCreatorTests implements ModuleDefinitionSource {

    private BundleLocationConfiguration locationConfiguration;

    public OsgiIntegrationTest() {
        super();
    }
    
    protected final BundleLocationConfiguration getBundleLocationConfiguration() {
        if (this.locationConfiguration == null) {
            this.locationConfiguration = newBundleLocationConfiguration();
        }
        return this.locationConfiguration;
    }
    
    protected abstract BundleLocationConfiguration newBundleLocationConfiguration();

    /* ********************** Test bundle names ********************* */
    
    @Override
    protected Resource[] getTestBundles() {
        return getBundleLocationConfiguration().getTestBundleLocations();
    }
    
    protected void postProcessBundleContext(BundleContext context) throws Exception {
        
        Impala.init();
        RootModuleDefinition definition = getModuleDefinition();
        
        ServiceReference serviceReference = context.getServiceReference(ModuleDefinitionSource.class.getName());
        
        Object service = context.getService(serviceReference);
        
        Method method = ReflectionUtils.findMethod(service.getClass(), "inject", new Class[]{Object.class});
        ReflectionUtils.invokeMethod(method, service, new Object[]{definition});
        
        //now fire up extender bundle
        Resource[] addResources = getBundleLocationConfiguration().getExtenderBundleLocations();
        
        for (Resource resource : addResources) {
            Bundle bundle = OsgiUtils.installBundle(context, resource);
            OsgiUtils.startBundle(bundle);
        }
        
        super.postProcessBundleContext(context);
    }

    protected String[] getTestFrameworkBundlesNames() {
        String[] testFrameworkBundlesNames = super.getTestFrameworkBundlesNames();
        for (int i = 0; i < testFrameworkBundlesNames.length; i++) {
            String bundle = testFrameworkBundlesNames[i];
            
            if (bundle.equals("org.springframework.osgi,log4j.osgi,1.2.15-SNAPSHOT")) {
                bundle = bundle.replace("log4j.osgi,1.2.15-SNAPSHOT", "com.springsource.org.apache.log4j,1.2.15");
                testFrameworkBundlesNames[i] = bundle;
            }
            
        }
        return testFrameworkBundlesNames;
    }
    
    protected ArtifactLocator getLocator() {
        return getBundleLocationConfiguration().getArtifactLocator();
    }
    
}