containersetupscript.java

用jbuilder写的源程序

/**
 * Copyright 2003-2006 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 com.jdon.container.startup;

import javax.servlet.ServletContext;

import com.jdon.container.ContainerWrapper;
import com.jdon.container.builder.ContainerBuilder;
import com.jdon.container.builder.ContainerDirector;
import com.jdon.container.config.app.AppConfigureCollection;
import com.jdon.container.factory.ContainerBuilderFactory;
import com.jdon.container.finder.ServletContainerFinder;
import com.jdon.util.Debug;

/**
 * setup container
 * 
 * @author <a href="mailto:[e-mail]">banq </a>
 *  
 */
public class ContainerSetupScript {
    public final static String module = ContainerSetupScript.class.getName();
    
    private AppConfigureCollection appConfigureFiles;
    
    public ContainerSetupScript() {
		appConfigureFiles = new AppConfigureCollection();
	}

	/**
     * Initialize application container
     * 
     * @param context
     *            ServletContext
     */
    public void initialized(ServletContext context) {
        ContainerBuilder cb = (ContainerBuilder) context.getAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
        if (cb != null)
            return;
        try {
            ContainerBuilderFactory containerBuilderContext = new ContainerBuilderFactory();
            cb = containerBuilderContext.createContainerBuilder(context);
            context.setAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME, cb);
            Debug.logVerbose("[JdonFramework] Initialize the container OK ..");
        } catch (Exception e) {
            Debug.logError("[JdonFramework] initialized error: " + e, module);
            context.log(e.getMessage(), e);
        }
    }

    /**
     * prepare to the applicaition xml Configure for container;
     * 
     * @param configList
     *            Collection
     * @param context
     *            ServletContext
     */
    public void prepare(String configureFileName,  ServletContext context) {
        ContainerBuilder cb;
        try {
            cb = (ContainerBuilder) context.getAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
            if (cb == null) {
                initialized(context);
                cb = (ContainerBuilder) context.getAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
            }
            ContainerDirector cd = new ContainerDirector(cb);
            cd.prepareConfiguration(configureFileName);
        } catch (Exception ex) {
            Debug.logError(ex, module);
        }
    }

    /**
     * startup Application container
     * 
     * @param configList
     *            Collection
     * @param context
     *            ServletContext
     */
    public void startup(ServletContext context) {
        ServletContainerFinder scf = new ServletContainerFinder();
        ContainerBuilder cb;
        try {
            cb = (ContainerBuilder) context.getAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
            if (cb == null)
                return;
            ContainerDirector cd = new ContainerDirector(cb);
            cd.startup();
        } catch (Exception ex) {
            Debug.logError(ex, module);
        }
    }

    /**
     * desroy Application container
     * 
     * @param context
     *            ServletContext
     */
    public void destroyed(ServletContext context) {
        try {
           // if (context == null)
             //   return;
            ContainerBuilder cb = (ContainerBuilder) context.getAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
            if (cb != null) {
                ContainerWrapper cw = cb.getContainerWrapper();
                cw.stop();
                //context.removeAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);                
                Debug.logVerbose("[JdonFramework] stop the container ..", module);
            }
        } catch (Exception e) {
            Debug.logError("[JdonFramework] destroyed error: " + e, module);
        }

    }
    
  
    
}