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package com.vci.server.workflow.server.event;
 
import org.jbpm.api.model.OpenExecution;
import org.jbpm.api.task.Assignable;
import org.jbpm.api.task.AssignmentHandler;
 
import com.vci.common.log.ServerWithLog4j;
import com.vci.common.resource.CommonProperties;
import com.vci.server.workflow.common.resouce.WorkflowProperties;
import com.vci.server.workflow.server.interfaces.IWorkflowUserService;
 
public class AssginTaskForExpression implements AssignmentHandler {
      
      private static final long serialVersionUID = 1L;
 
      String assignee;
 
      /* 根据表达式解析用户列表
     * @see org.jbpm.api.task.AssignmentHandler#assign(org.jbpm.api.task.Assignable, org.jbpm.api.model.OpenExecution)
     */
    public void assign(Assignable assignable, OpenExecution execution) throws Exception {
          String[] assignees = assignee.split(",");
          String userName = (String)execution.getVariable("userName");
          String[] currentSelectuserName = (String[])execution.getVariable("currentSelectuserName");
          String userServiceImplClass = WorkflowProperties.getStringProperty("workflow.userService");
 
            if(userServiceImplClass!=null&&!"".equals(userServiceImplClass)){
                IWorkflowUserService puService = (IWorkflowUserService) ( Class.forName( userServiceImplClass ).newInstance());
                if ( (currentSelectuserName != null ) && (currentSelectuserName.length > 0 ) )
                {
                    String[] users = currentSelectuserName;//puService.getAllUsers2Task(currentSelectuserName, userName);
                    if(users!=null){
                        
                        for(String user : users){
                            assignable.addCandidateUser(user);
                            ServerWithLog4j.logger.debug("users = "+ user);
                        }
                    }
                }
                else
                {
                    String[] users = puService.getAllUsers2Task(assignees, userName);
                    if(users!=null){
                        
                        for(String user : users){
                            assignable.addCandidateUser(user);
                            ServerWithLog4j.logger.debug("users = "+ user);
                        }
                    }
                }
            }
          
      }
 
}