JAVA开发_网络连接请求

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发起交易请求

    //实例化对象      HttpClient httpClient=CustomHttpClient.GetHttpClient();    /**     * 发起交易请求     *      * @param bean     * @return     */    public String request(String reqJson, String url)    {        System.out.println("发起url[" + url + "]请求报文:" + reqJson);        HttpPost post = new HttpPost(url);        post.setHeader("Content-Type",                "application/json;charset=UTF-8");        BufferedReader br = null;        try        {            StringEntity formEntiry = new StringEntity(reqJson, "UTF-8");            // 设置请求参数            post.setEntity(formEntiry);            // 发起交易            HttpResponse resp = httpClient.execute(post);            // 响应分析            HttpEntity entity = resp.getEntity();            br = new BufferedReader(new InputStreamReader(entity.getContent(),                    "utf-8"));            StringBuffer responseString = new StringBuffer();            String result = br.readLine();            while (result != null)            {                responseString.append(result);                result = br.readLine();            }            // 直接获取返回的字符串            String resJson = responseString.toString();            System.out.println("返回报文:" + resJson);            return resJson;        } catch (Exception cte)        {            System.out.print(cte);            return "";        } finally        {            if (br != null)            {                try                {                    br.close();                } catch (IOException e)                {                    // do nothing                }            }        }    }

线程安全的HttpCLient,单例模式，支持http、https协议

 public static synchronized HttpClient GetHttpClient()    {        if (customHttpClient == null)        {            return httpClientInstance();        }        return customHttpClient;    }    private static HttpClient httpClientInstance()    {        KeyStore trustStore;        SSLSocketFactory sf = null;        try        {            trustStore = KeyStore.getInstance(KeyStore.getDefaultType());            trustStore.load(null, null);            sf = new MySSLSocketFactory(trustStore);            sf                    .setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);        } catch (KeyManagementException e)        {            log.error(e.getMessage(), e);        } catch (NoSuchAlgorithmException e)        {            log.error(e.getMessage(), e);        } catch (UnrecoverableKeyException e)        {            log.error(e.getMessage(), e);        } catch (IOException e)        {            log.error(e.getMessage(), e);        } catch (CertificateException e)        {            log.error(e.getMessage(), e);        } catch (KeyStoreException e)        {            log.error(e.getMessage(), e);        }        HttpParams params = new BasicHttpParams();        HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);        HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);        ConnManagerParams.setTimeout(params, TIME_OUT);        HttpConnectionParams.setConnectionTimeout(params, TIME_OUT);        HttpConnectionParams.setSoTimeout(params, TIME_OUT);        SchemeRegistry schReg = new SchemeRegistry();        schReg.register(new Scheme("http", PlainSocketFactory                .getSocketFactory(), 80));        schReg.register(new Scheme("https", sf, 443));        ClientConnectionManager conMgr = new ThreadSafeClientConnManager(                params, schReg);        customHttpClient = new DefaultHttpClient(conMgr, params);        return customHttpClient;    }

SSL全部信任登录

import java.io.IOException;import java.net.Socket;import java.net.UnknownHostException;import java.security.KeyManagementException;import java.security.KeyStore;import java.security.KeyStoreException;import java.security.NoSuchAlgorithmException;import java.security.UnrecoverableKeyException;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.ssl.SSLContext;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;import org.apache.http.conn.ssl.SSLSocketFactory;/** * SSL全部信任登录 *  *  */public class MySSLSocketFactory extends SSLSocketFactory{    SSLContext sslContext = SSLContext.getInstance("TLS");    public MySSLSocketFactory(KeyStore truststore)            throws NoSuchAlgorithmException, KeyManagementException,            KeyStoreException, UnrecoverableKeyException    {        super(truststore);        TrustManager tm = new X509TrustManager(){            public void checkClientTrusted(X509Certificate[] chain,                    String authType) throws CertificateException            {            }            public void checkServerTrusted(X509Certificate[] chain,                    String authType) throws CertificateException            {            }            public X509Certificate[] getAcceptedIssuers()            {                return null;            }        };        sslContext.init(null, new TrustManager[] { tm }, null);    }    @Override    public Socket createSocket(Socket socket, String host, int port,            boolean autoClose) throws IOException, UnknownHostException    {        return sslContext.getSocketFactory().createSocket(socket, host, port,                autoClose);    }    @Override    public Socket createSocket() throws IOException    {        return sslContext.getSocketFactory().createSocket();    }}

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