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mchId            keyStore.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mchId        SSLSocketFactory 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requestConfig        HttpParams 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API        String 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API            postDataXML = 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;