package com.foxinmy.weixin4j.api;
   
   import java.util.ResourceBundle;
   import java.util.regex.Matcher;
   import java.util.regex.Pattern;
   
   import com.foxinmy.weixin4j.http.weixin.WeixinRequestExecutor;
   
   /**
   * API基础
   *
   * @className BaseApi
   * @author jinyu(foxinmy@gmail.com)
   * @date 2014年9月26日
   * @since JDK 1.6
   * @see <a href="http://mp.weixin.qq.com/wiki/index.php">微信公众平台API文档</a>
   * @see <a href="http://qydev.weixin.qq.com/wiki/index.php">微信企业号API文档</a>
   */
  public abstract class BaseApi {
  
  	protected final WeixinRequestExecutor weixinExecutor;
  
  	private final  Pattern uriPattern = Pattern.compile("(\\{[^\\}]*\\})");
  
  	public BaseApi() {
  		this.weixinExecutor = new WeixinRequestExecutor();
  	}
  
  	protected abstract ResourceBundle weixinBundle();
  
  	protected String getRequestUri(String key) {
  		String url = weixinBundle().getString(key);
  		Matcher m = uriPattern.matcher(url);
  		StringBuffer sb = new StringBuffer();
  		String sub = null;
  		while (m.find()) {
  			sub = m.group();
  			m.appendReplacement(sb,
  					getRequestUri(sub.substring(1, sub.length() - 1)));
  		}
  		m.appendTail(sb);
  		return sb.toString();
  	}
  }