activiti TaskListener用法（十三）

package com.base.pf.m150workflow.f010deployment.controller;

import java.util.List;

import org.activiti.engine.delegate.DelegateTask;
import org.activiti.engine.delegate.TaskListener;
import org.activiti.engine.impl.el.FixedValue;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Controller;
import org.springframework.web.context.ContextLoader;

import com.base.pf.common.util.PropertiesRead;
import com.base.pf.m130security.service.PersonSecurityService;

/**
 * 获取配置的角色，查找任务代办人
 * 
 * @author ZHEN.L
 * 
 */
public class RoleTaskListener implements TaskListener {

	private final Logger log = Logger.getLogger(RoleTaskListener.class);

	private static final long serialVersionUID = 478113514195354529L;

	private FixedValue roleCodeName; // 同流程图中fieldName

	private PersonSecurityService personSecurityService;

	public void notify(DelegateTask task) {
		try {
			Object value = roleCodeName.getValue(task); // 获取fieldName的值
			String roleCode = PropertiesRead.getInstance().read(
					String.valueOf(value));
			ApplicationContext context = ContextLoader
					.getCurrentWebApplicationContext();
			personSecurityService = (PersonSecurityService) context
					.getBean("personSecurityService");
			List users = personSecurityService
					.findIdByRoleCode(roleCode);
			task.addCandidateUsers(users);
		} catch (Exception e) {
			e.printStackTrace();
			log.error("指定任务代办人失败：" + e.getMessage());
		}
	}

	public FixedValue getRoleCodeName() {
		return roleCodeName;
	}

	public void setRoleCodeName(FixedValue roleCodeName) {
		this.roleCodeName = roleCodeName;
	}

}