请求微信api（支持代理）

微信给的demo中HttpsRequest笔者使用的时候不好使，索性只能以此为基础进行改造。
改造后的HttpsRequest如下：支持代理

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;import com.tencent.service.IServiceRequest;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
import com.thoughtworks.xstream.io.xml.XmlFriendlyNameCoder;/*** */public class HttpsRequests implements IServiceRequest
{// 连接超时时间，默认10秒private int socketTimeout = 10000;// 传输超时时间，默认30秒private int connectTimeout = 30000;// HTTP请求器private DefaultHttpClient httpClient;public HttpsRequests() throws Exception{KeyStore keyStore = KeyStore.getInstance("PKCS12");// 根据规则查找商户对应证书FileInputStream instream = new FileInputStream(new File(Configure.getCertLocalPath()));// 加载本地的证书进行https加密传输try{// 证书密码默认为mchIdkeyStore.load(instream, Configure.getCertPassword().toCharArray());// 设置证书密码}catch (Exception e){throw new RuntimeException("init throw Exception", e);}finally{try{instream.close();}catch (IOException e){}}SchemeRegistry registry = new SchemeRegistry();registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));// 证书密码默认为mchIdSSLSocketFactory socketFactory = new SSLSocketFactory(keyStore, Configure.getCertPassword());socketFactory.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);Scheme sch = new Scheme("https", socketFactory, 443);registry.register(sch);// 根据默认超时限制初始化requestConfigHttpParams params = new BasicHttpParams();params.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, connectTimeout);params.setParameter(CoreConnectionPNames.SO_TIMEOUT, socketTimeout);httpClient = new DefaultHttpClient(new ThreadSafeClientConnManager(params, registry), params);//      //TODO 设置代理，生产环境需要去掉//      HttpHost proxy = new HttpHost("代理地址", 8080);//      CredentialsProvider credsProvider = new BasicCredentialsProvider();//      //TODO user\pwd改为代理用户密码//      UsernamePasswordCredentials creds = new UsernamePasswordCredentials("用户名", "密码");//      credsProvider.setCredentials(new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT), creds);//      httpClient.getParams().setParameter(ConnRouteParams.DEFAULT_PROXY, proxy);//      httpClient.setCredentialsProvider(credsProvider);}/*** 通过Https往API post xml数据** @param url*            API地址* @param xmlObj*            要提交的XML数据对象* @return API回包的实际数据* @throws IOException* @throws KeyStoreException* @throws UnrecoverableKeyException* @throws NoSuchAlgorithmException* @throws KeyManagementException*/public String sendPost(String url, Object xmlObj, int flag){String result = null;HttpPost httpPost = new HttpPost(url);// 将要提交给API的数据对象转换成XML格式数据Post给APIString postDataXML = xmlObj.toString();if (flag == 0){XStream xStreamForRequestPostData = new XStream(new DomDriver("UTF-8", new XmlFriendlyNameCoder("-_", "_")));//将要提交给API的数据对象转换成XML格式数据Post给APIpostDataXML = xStreamForRequestPostData.toXML(xmlObj);}try{// 得指明使用UTF-8编码，否则到API服务器XML的中文不能被成功识别StringEntity postEntity = new StringEntity(postDataXML, "UTF-8");httpPost.addHeader("Content-Type", "text/xml");httpPost.setEntity(postEntity);HttpResponse response = ((HttpClient) httpClient).execute(httpPost);int statusCode = response.getStatusLine().getStatusCode();if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY || statusCode == HttpStatus.SC_MOVED_TEMPORARILY){Header locationHeader = response.getFirstHeader("location");String location = null;if (locationHeader != null){location = locationHeader.getValue();int index = location.indexOf("#");String new_s = location.substring(0, index) + location.substring(index + 16);return sendPost(new_s, xmlObj, flag);// 用跳转后的页面重新请求。}}HttpEntity entity = response.getEntity();result = EntityUtils.toString(entity, "UTF-8");}catch (Exception e){throw new RuntimeException("http get throw Exception", e);}finally{httpPost.abort();}return result;}public static void main(String[] args) throws Exception{HttpsRequests hr = new HttpsRequests();String r = hr.sendPost("", "");System.out.println(r);}
}
public interface IServiceRequest
{//Service依赖的底层https请求器必须实现这么一个接口public String sendPost(String api_url, Object xmlObj, int flag) throws UnrecoverableKeyException, KeyManagementException, NoSuchAlgorithmException, KeyStoreException, IOException;

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