containersetupscript.java

一个非常好的FRAMWRK!是一个外国组织做的!不!

/**
 * Copyright 2003-2005 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();

  /**
   * Initialize application container
   * @param context ServletContext
   */
  public void initialized(ServletContext context) {
    try {
      ContainerBuilderFactory containerBuilderContext = new ContainerBuilderFactory();
      ContainerBuilder cb = containerBuilderContext.createContainerBuilder(context);
      context.setAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME, cb);
      Debug.logVerbose(" Initialize the container OK ..");
    } catch (Exception e) {
      Debug.logError(" 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(AppConfigureCollection appConfigureFiles, 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.prepare(appConfigureFiles);
    } 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 {
      ContainerBuilder cb = (ContainerBuilder) context.getAttribute(ContainerBuilder.APPLICATION_CONTEXT_ATTRIBUTE_NAME);
      if (cb != null) {
        ContainerWrapper cw = cb.getContainerWrapper();
        cw.stop();
        Debug.logVerbose(" stop the container ..");
      }
    } catch (Exception e) {
      Debug.logError(" destroyed error: " + e, module);
    }

  }

}