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鷹皇軟件 2014-01-23

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public class WeixinAPIHelper {

002 /**

003 * 獲取token接口

004 */

005 private String getTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}";

006 /**

007 * 拉微信用戶信息接口

008 */

009 private String getUserInfoUrl = "https://api.weixin.qq.com/cgi-bin/user/info?access_token={0}&openid={1}";

010 /**

011 * 主動推送信息接口

012 */

013 private String sendMsgUrl = "https://api.weixin.qq.com/cgi-bin/message/send?access_token={0}";

014

015 private HttpClient webClient;

016

017 private Log log = LogFactory.getLog(getClass());

018 public void initWebClient(String proxyHost, int proxyPort){

019 this.initWebClient();

020 if(webClient != null && !StringUtils.isEmpty(proxyHost)){

021 HttpHost proxy = new HttpHost(proxyHost, proxyPort);

022 webClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

023 }

024 }

025

026 /**

027 * @desc 初始化創(chuàng)建 WebClient

028 */

029 public void initWebClient() {

030 log.info("initWebClient start....");

031 try {

032 PoolingClientConnectionManager tcm = new PoolingClientConnectionManager();

033 tcm.setMaxTotal(10);

034 SSLContext ctx = SSLContext.getInstance("TLS");

035 X509TrustManager tm = new X509TrustManager() {

036

037 public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {

038

039 }

040

041 public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {

042

043 }

044

045 public X509Certificate[] getAcceptedIssuers() {

046 return null;

047 }

048 };

049 ctx.init(null, new X509TrustManager[] { tm }, null);

050 SSLSocketFactory ssf = new SSLSocketFactory(ctx, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

051 Scheme sch = new Scheme("https", 443, ssf);

052 tcm.getSchemeRegistry().register(sch);

053 webClient = new DefaultHttpClient(tcm);

054 } catch (Exception ex) {

055 log.error("initWebClient exception", ex);

056 } finally {

057 log.info("initWebClient end....");

058 }

059 }

060

061 /**

062 * @desc 獲取授權(quán)token

063 * @param appid

064 * @param secret

065 * @return

066 */

067 public String getAccessToken(String appid, String secret) {

068 String accessToken = null;

069 try {

070 log.info("getAccessToken start.{appid=" + appid + ",secret:" + secret + "}");

071 String url = MessageFormat.format(this.getTokenUrl, appid, secret);

072 String response = executeHttpGet(url);

073 accessToken = JsonUtils.read(response, "access_token");

074 } catch (Exception e) {

075 log.error("get access toekn exception", e);

076 }

077 return accessToken;

078 }

079 /**

080 * @desc 推送信息

081 * @param token

082 * @param msg

083 * @return

084 */

085 public String sendMessage(String token,String msg){

086 try{

087 log.info("sendMessage start.token:"+token+",msg:"+msg);

088 String url = MessageFormat.format(this.sendMsgUrl, token);

089 HttpPost post = new HttpPost(url);

090 ResponseHandler<?> responseHandler = new BasicResponseHandler();

091 StringEntity entity = new StringEntity(msg);

092 post.setEntity(entity);

093 String response = (String) this.webClient.execute(post, responseHandler);

094 log.info("return response=====start======");

095 log.info(response);

096 log.info("return response=====end======");

097 return response;

098

099 }catch (Exception e) {

100 log.error("get user info exception", e);

101 return null;

102 }

103 }

104 /**

105 * @desc 拉取用戶信息

106 * @param token

107 * @param openid

108 * @return

109 */

110 public WeixinOpenUser getUserInfo(String token, String openid) {

111 try {

112 log.info("getUserInfo start.{token:" + token + ",openid:" + openid + "}");

113 String url = MessageFormat.format(this.getUserInfoUrl, token, openid);

114 String response = executeHttpGet(url);

115 JsonNode json = JsonUtils.read(response);

116 if (json.get("openid") != null) {

117 WeixinOpenUser user = new WeixinOpenUser();

118 user.setOpenUserId(json.get("openid").asText());

119 user.setState(json.get("subscribe").asText());

120 if ("1".equals(user.getState())) {

121 user.setUserName(json.get("nickname").asText());

122 user.setSex(json.get("sex").asText());

123 user.setCity(json.get("city").asText());

124 user.setLanguage(json.get("language").asText());

125 }

126 return user;

127 }

128 } catch (Exception e) {

129 log.error("get user info exception", e);

130 }

131 return null;

132 }

133

134 /**

135 * @desc 發(fā)起HTTP GET請求返回數(shù)據(jù)

136 * @param url

137 * @return

138 * @throws IOException

139 * @throws ClientProtocolException

140 */

141 private String executeHttpGet(String url) throws IOException, ClientProtocolException {

142 ResponseHandler<?> responseHandler = new BasicResponseHandler();

143 String response = (String) this.webClient.execute(new HttpGet(url), responseHandler);

144 log.info("return response=====start======");

145 log.info(response);

146 log.info("return response=====end======");

147 return response;

148 }

149

150

151

152 }

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