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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc., 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.weld.bean.builtin;

import org.jboss.weld.bootstrap.spi.Metadata;
import org.jboss.weld.introspector.WeldClass;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.util.Proxies;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Extension;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Set;

/**
 * @author pmuir
 */
public class ExtensionBean extends AbstractBuiltInBean {

    private static final String ID_PREFIX = "Extension";

    private final WeldClass clazz;
    private final Metadata instance;
    private final boolean passivationCapable;
    private final boolean proxiable;

    public ExtensionBean(BeanManagerImpl manager, WeldClass clazz, Metadata instance) {
        super(new StringBuilder().append(ID_PREFIX).append(BEAN_ID_SEPARATOR).append(clazz.getName()).toString(), manager);
        this.clazz = clazz;
        this.instance = instance;
        this.passivationCapable = clazz.isSerializable();
        this.proxiable = Proxies.isTypeProxyable(clazz.getBaseType());
    }

    @Override
    public Class getType() {
        return clazz.getJavaClass();
    }

    public Set getTypes() {
        return clazz.getTypeClosure();
    }

    @Override
    public boolean isProxyable() {
        return proxiable;
    }

    @Override
    public boolean isPassivationCapableBean() {
        return passivationCapable;
    }

    public Extension create(CreationalContext creationalContext) {
        return instance.getValue();
    }

    public void destroy(Extension instance, CreationalContext creationalContext) {
        // No-op
    }

    @Override
    public Class getScope() {
        return ApplicationScoped.class;
    }

    @Override
    public String toString() {
        return "Extension [" + getType().toString() + "] with qualifiers [@Default]; " + instance.getLocation();
    }

}