WxController.java

/**
 * 
 */
package org.hamster.weixinmp.controller;

import org.apache.log4j.Logger;
import org.dom4j.DocumentException;
import org.hamster.weixinmp.dao.entity.base.WxBaseMsgEntity;
import org.hamster.weixinmp.dao.entity.base.WxBaseRespEntity;
import org.hamster.weixinmp.exception.WxException;
import org.hamster.weixinmp.service.WxAuthService;
import org.hamster.weixinmp.service.WxMessageService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;


/**
 * @author grossopaforever@gmail.com
 * @version Jul 28, 2013
 * 
 */
@Controller
@RequestMapping("/rest/weixinmp")
public class WxController {
	private static final Logger log = Logger.getLogger(WxController.class);
	
	@Autowired
	private WxAuthService authService;
	@Autowired
	private WxMessageService messageService;
	
	@RequestMapping(method = {RequestMethod.GET,})
	public @ResponseBody
	String authGet(@RequestParam("signature") String signature,
			@RequestParam("timestamp") String timestamp,
			@RequestParam("nonce") String nonce,
			@RequestParam("echostr") String echostr) throws WxException {
		if (authService.validateAuth(signature, timestamp, nonce, echostr)) {
			log.info("received authentication message from Weixin Server.");
			return echostr;
		}
		return null;
	}

	@RequestMapping(method = RequestMethod.POST)
	public @ResponseBody
	String post(@RequestBody String requestBody) throws DocumentException, WxException {
		WxBaseMsgEntity msg = messageService.parseXML(requestBody);
		log.info("received " + msg.getMsgType() + " message.");
		
		WxBaseRespEntity resp = messageService.handleMessage(msg);
		
		return messageService.parseRespXML(resp).asXML();
	}

}