com.github.shawven.security.connect.provider.weixin.api.WeixinImpl Maven / Gradle / Ivy
package com.github.shawven.security.connect.provider.weixin.api;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.shawven.security.connect.provider.weixin.WeixinConfig;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.social.oauth2.AbstractOAuth2ApiBinding;
import org.springframework.social.oauth2.TokenStrategy;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;
/**
* Weixin API调用模板， scope为Request的Spring bean, 根据当前用户的accessToken创建。
*/
public class WeixinImpl extends AbstractOAuth2ApiBinding implements Weixin {
/**
* @param accessToken
*/
public WeixinImpl(String accessToken) {
super(accessToken, TokenStrategy.ACCESS_TOKEN_PARAMETER);
}
/**
* 默认注册的StringHttpMessageConverter字符集为ISO-8859-1，而微信返回的是UTF-8的，所以覆盖了原来的方法。
*/
@Override
protected List> getMessageConverters() {
List> messageConverters = super.getMessageConverters();
messageConverters.remove(0);
messageConverters.add(new StringHttpMessageConverter(StandardCharsets.UTF_8));
return messageConverters;
}
/**
* 获取微信用户信息。
*/
@Override
public WeixinUserInfo getUserInfo(String openId) {
String url = WeixinConfig.USER_INFO_URL+ "?openid=%s" + openId;
String response = getRestTemplate().getForObject(url, String.class);
ObjectMapper objectMapper = new ObjectMapper();
if(response != null && response.contains("errcode")) {
Map result;
try {
result = (Map)objectMapper.readValue(response, Map.class);
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
String errcode = String.valueOf(result.get("errcode"));
String errmsg = String.valueOf(result.get("errmsg"));
throw new RuntimeException("获取weixin 用户信息失败, errCode:"+errcode+", errmsg:"+errmsg);
}
try {
return objectMapper.readValue(response, WeixinUserInfo.class);
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
}