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Fabric3 Java Component Implementation.
There is a newer version: 2.0.1
/*
* Fabric3
* Copyright (c) 2009-2011 Metaform Systems
*
* Fabric3 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version, with the
* following exception:
*
* Linking this software statically or dynamically with other
* modules is making a combined work based on this software.
* Thus, the terms and conditions of the GNU General Public
* License cover the whole combination.
*
* As a special exception, the copyright holders of this software
* give you permission to link this software with independent
* modules to produce an executable, regardless of the license
* terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided
* that you also meet, for each linked independent module, the
* terms and conditions of the license of that module. An
* independent module is a module which is not derived from or
* based on this software. If you modify this software, you may
* extend this exception to your version of the software, but
* you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version.
*
* Fabric3 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the
* GNU General Public License along with Fabric3.
* If not, see .
*/
package org.fabric3.implementation.java.runtime;

import java.net.URI;
import javax.xml.namespace.QName;

import org.osoa.sca.annotations.EagerInit;
import org.osoa.sca.annotations.Reference;

import org.fabric3.implementation.java.provision.JavaComponentDefinition;
import org.fabric3.implementation.pojo.builder.PojoComponentBuilder;
import org.fabric3.implementation.pojo.builder.PropertyObjectFactoryBuilder;
import org.fabric3.implementation.pojo.instancefactory.InstanceFactoryBuilder;
import org.fabric3.implementation.pojo.instancefactory.InstanceFactoryProvider;
import org.fabric3.implementation.pojo.provision.InstanceFactoryDefinition;
import org.fabric3.spi.builder.BuilderException;
import org.fabric3.spi.classloader.ClassLoaderRegistry;
import org.fabric3.spi.component.ScopeContainer;
import org.fabric3.spi.component.ScopeRegistry;
import org.fabric3.spi.introspection.java.IntrospectionHelper;
import org.fabric3.spi.management.ManagementService;

/**
 * Builds a JavaComponent from a physical definition.
 *
 * @version $Rev: 9763 $ $Date: 2011-01-03 00:48:06 +0000 (Mon, 03 Jan 2011) $
 */
@EagerInit
public class JavaComponentBuilder extends PojoComponentBuilder {
    private ScopeRegistry scopeRegistry;
    private InstanceFactoryBuilder factoryBuilder;

    public JavaComponentBuilder(@Reference ScopeRegistry scopeRegistry,
                                @Reference InstanceFactoryBuilder factoryBuilder,
                                @Reference ClassLoaderRegistry classLoaderRegistry,
                                @Reference PropertyObjectFactoryBuilder propertyBuilder,
                                @Reference ManagementService managementService,
                                @Reference IntrospectionHelper helper) {
        super(classLoaderRegistry, propertyBuilder, managementService, helper);
        this.scopeRegistry = scopeRegistry;
        this.factoryBuilder = factoryBuilder;
    }

    public JavaComponent build(JavaComponentDefinition definition) throws BuilderException {
        URI uri = definition.getComponentUri();
        QName deployable = definition.getDeployable();
        ClassLoader classLoader = classLoaderRegistry.getClassLoader(definition.getClassLoaderId());

        // get the scope container for this component
        String scopeName = definition.getScope();
        ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(scopeName);

        // create the InstanceFactoryProvider based on the definition in the model
        InstanceFactoryDefinition factoryDefinition = definition.getFactoryDefinition();
        InstanceFactoryProvider provider = factoryBuilder.build(factoryDefinition, classLoader);

        createPropertyFactories(definition, provider);

        long idleTime = definition.getMaxIdleTime();
        long age = definition.getMaxAge();
        boolean eager = definition.isEagerInit();

        JavaComponent component = new JavaComponent(uri, provider, scopeContainer, deployable, eager, idleTime, age);
        buildContexts(component, provider);
        export(definition, classLoader, component);
        return component;
    }

    public void dispose(JavaComponentDefinition definition, JavaComponent component) throws BuilderException {
        dispose(definition);
    }

}