applicationcontextwrapper.java

来自「项目支付宝批量打款,采用httpclient+spring +quarz实现.」· Java 代码 · 共 51 行

package com.szhelper.pay;

import java.util.List;
import java.util.Map;

import org.springframework.context.ApplicationContext;

/**
 * This class aim to simplify the work of getting bean instance from
 * ApplicationContext. this class define explicit methods. This class apply to
 * singltton pattern, it should be initialised at the startup of application.
 * NOTE: the setApplicationContext() should be invoked just after the
 * instantiation.
 * 
 * @author fangxiang
 * @version 1.0, 2008-6-6
 */
public class ApplicationContextWrapper {

	private static ApplicationContextWrapper beansFactory = new ApplicationContextWrapper();

	// spring Application context
	private ApplicationContext appContext;

	private ApplicationContextWrapper() {
	}

	public static ApplicationContextWrapper getInstance() {
		return beansFactory;
	}

	/**
	 * ApplicationContext must be set just after the first instantiation of
	 * BeansFactory.
	 * 
	 * @param appContext
	 *            the sprint ApplicationContext.
	 */
	public void setApplicationContext(ApplicationContext appContext) {
		this.appContext = appContext;
	}

	public ApplicationContext getApplicationContext() {
		return this.appContext;
	}
	
	public Object getBean(String beanName){
		return getApplicationContext().getBean(beanName);
	}
}