containerdirector.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.builder;

import com.jdon.container.ContainerWrapper;
import com.jdon.container.config.app.AppConfigureCollection;
import com.jdon.util.Debug;

/**
 * container director register order: 1. register all components in
 * container.xml 2. register all components in aspect.xml 3. startup above all
 * components 3. register user services in jdonframework.xml
 * 
 * 
 * @author banq
 */
public class ContainerDirector {
    public final static String module = ContainerDirector.class.getName();

    private ContainerBuilder cb;

    private static Object initLock = new Object();

    public ContainerDirector(ContainerBuilder cb) {
        this.cb = cb;
    }

    /**
     * prepare the applicaition configure files
     * 
     * @param appConfigureFiles
     */
    public void prepare(AppConfigureCollection appConfigureFiles) throws Exception {
        if (!cb.isStartup())
            cb.addAppConfigureFiles(appConfigureFiles);
    }

    public void startup() throws StartupException {
        Debug.logVerbose(" <======== JdonFramework beigin to startup =========>", module);
        if (!cb.isStartup())
            synchronized (initLock) {
                if (!cb.isStartup()) {
                    try {
                        Debug.logVerbose(" <------ register the basic components in container.xml ------> ", module);
                        cb.registerComponents();

                        ContainerWrapper cw = cb.getContainerWrapper();
                        cw.start();
                        cb.setStartup(true);
                        
                        Debug.logVerbose(" <------ started micro container ------> ", module);                        
                 
                        Debug.logVerbose(" <------ register the pojo services in jdonframework.xml ------> ", module);
                        cb.registerUserService();
                        
                        Debug.logVerbose(" <------ register the aspect components in container.xml ------> ", module);
                        cb.registerAspectComponents();
                                                                                                
                        Debug.logInfo(" <========  Jdon Framework started successfully! =========>", module);

                    } catch (Exception ex) {
                        Debug.logError(" startup container error: " + ex, module);
                        throw new StartupException();
                    }
                }
            }

    }

}