non-releases/trunk_before_flattening/src/java/org/apache/cocoon/generation/ServletGenerator.java

/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * 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.apache.cocoon.generation;

import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;

import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.environment.Context;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Request;
import org.apache.cocoon.environment.Response;
import org.apache.cocoon.environment.SourceResolver;

import org.xml.sax.SAXException;

import java.io.IOException;
import java.util.Map;

/**
 *
 * @version $Id$
 */
public abstract class ServletGenerator extends AbstractGenerator
implements Serviceable, Disposable {

    protected Request request;
    protected Response response;
    protected Context context;

    /** The service manager instance */
    protected ServiceManager manager;

    /* (non-Javadoc)
     * @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
     */
    public void service(ServiceManager manager) throws ServiceException {
        this.manager = manager;
    }

    /* (non-Javadoc)
     * @see org.apache.avalon.framework.activity.Disposable#dispose()
     */
    public void dispose() {
        this.manager = null;
    }

    /* (non-Javadoc)
     * @see org.apache.cocoon.sitemap.SitemapModelComponent#setup(org.apache.cocoon.environment.SourceResolver, java.util.Map, java.lang.String, org.apache.avalon.framework.parameters.Parameters)
     */
    public void setup(SourceResolver resolver, Map objectModel, String src, Parameters par)
    throws ProcessingException, SAXException, IOException {

        super.setup(resolver, objectModel, src, par);
        this.request = ObjectModelHelper.getRequest(objectModel);
        this.response = ObjectModelHelper.getResponse(objectModel);
        this.context = ObjectModelHelper.getContext(objectModel);
    }

    /* (non-Javadoc)
     * @see org.apache.avalon.excalibur.pool.Recyclable#recycle()
     */
    public void recycle() {
        super.recycle();
        this.request = null;
        this.response = null;
        this.context = null;
    }
}