/**
    * Copyright By Grandsoft Company Limited.  
    * 2013-9-11 下午02:56:09
    */
   package gboat2.base.core.service;
   
   import gboat2.base.core.dao.IBaseDAO;
   import gboat2.base.core.model.Parameter;
   
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import net.sf.json.JSONObject;
  
  import org.apache.commons.lang3.StringUtils;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.transaction.annotation.Transactional;
  import org.springframework.util.Assert;
  
  @Transactional
  public class ParameterServiceImpl implements IParameterService {
  	
  	@Autowired
  	private IBaseDAO baseDAO;
  	
  	@Override
  	public Parameter getParameter(String jsonOfParameter) {
  		//非空
  		Assert.hasLength(jsonOfParameter);
  		//查看是否合法json
  		JSONObject json = new JSONObject();
  		try {
  			json = JSONObject.fromObject(jsonOfParameter);
  		} catch (Exception e) {
  			throw new IllegalArgumentException("非法的json字符串",e.getCause());
  		}
  		
  		//code  name 、 value 必填 
  		Assert.state(json.containsKey("code"));
  		Assert.state(json.containsKey("name"));
  		Assert.state(json.containsKey("value"));
  		
  		Parameter bean = (Parameter)JSONObject.toBean(json,Parameter.class);
  		if(StringUtils.isEmpty(bean.getGroupName())){
  			bean.setGroupName(bean.getName());
  		}
  		Map<String,Object> params = new HashMap<String,Object>();
  		params.put("code", bean.getCode());
  		List<?> queryListByHql = this.baseDAO.queryListByHql(" select parameter from Parameter parameter where parameter.code = :code", params);
  		
  		//保存
  		if(queryListByHql.size() == 0){
  			this.baseDAO.save(bean);
  			return bean;
  		}
  		
  		//对于存在数据的情况不与处理，直接返回
  		return (Parameter)queryListByHql.get(0);
  		
  	}
  	
  	@Override
  	public Parameter getParameterByCode(String code){
  		Map<String,Object> params = new HashMap<String,Object>();
  		params.put("code", code);
  		List<?> queryListByHql = this.baseDAO.queryListByHql(" select parameter from Parameter parameter where parameter.code = :code", params);
  		//保存
  		if(queryListByHql.size() > 0){
  			return (Parameter)queryListByHql.get(0);
  		}	
  		
  		throw new RuntimeException("当前的code不存在，请调用【IPlatformParameterService.getParameter】完成此参数的初始化！");
  	}
  	
  	@Override
  	public String getValueByCode(String code){
  		Parameter parameter = getParameterByCode(code);
  		return parameter.getValue(); 
  	}
  	
  	@Override
  	public boolean hasCodeByCode(String code){
  		Map<String,Object> params = new HashMap<String,Object>();
  		params.put("code", code);
  		List<?> queryListByHql = this.baseDAO.queryListByHql(" select parameter from Parameter parameter where parameter.code = :code", params);
  		
  		return queryListByHql.size() > 0 ;
  	}
  }