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@@ -0,0 +1,129 @@
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+package cn.iselab.mooctest.user.util;
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+
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+import org.apache.commons.io.IOUtils;
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+import org.apache.http.HttpResponse;
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+import org.apache.http.client.HttpClient;
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+import org.apache.http.client.config.RequestConfig;
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+import org.apache.http.client.methods.HttpGet;
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+import org.apache.http.conn.ConnectTimeoutException;
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+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
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+import org.apache.http.impl.client.CloseableHttpClient;
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+import org.apache.http.impl.client.HttpClients;
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+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
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+import org.apache.http.ssl.SSLContextBuilder;
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+import org.apache.http.ssl.TrustStrategy;
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+import ytx.org.apache.http.conn.ssl.X509HostnameVerifier;
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+
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+import javax.net.ssl.SSLContext;
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+import javax.net.ssl.SSLException;
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+import javax.net.ssl.SSLSession;
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+import javax.net.ssl.SSLSocket;
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+import java.io.IOException;
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+import java.net.SocketTimeoutException;
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+import java.security.GeneralSecurityException;
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+import java.security.cert.CertificateException;
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+import java.security.cert.X509Certificate;
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+
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+/**
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+ * @Author ROKG
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+ * @Description
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+ * @Date: Created in 下午8:25 2018/4/2
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+ * @Modified By:
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+ */
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+public class HttpClientUtils {
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+
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+ public static final int connTimeout=10000;
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+ public static final int readTimeout=10000;
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+ public static final String charset="UTF-8";
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+ private static HttpClient client = null;
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+
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+ static {
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+ PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
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+ cm.setMaxTotal(128);
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+ cm.setDefaultMaxPerRoute(128);
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+ client = HttpClients.custom().setConnectionManager(cm).build();
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+ }
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+
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+ public static String get(String url, String charset) throws Exception {
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+ return get(url, charset, connTimeout, readTimeout);
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+ }
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+
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+ public static String get(String url, String charset, Integer connTimeout,Integer readTimeout)
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+ throws ConnectTimeoutException,SocketTimeoutException, Exception {
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+
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+ HttpClient client = null;
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+ HttpGet get = new HttpGet(url);
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+ String result = "";
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+ try {
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+ // 设置参数
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+ RequestConfig.Builder customReqConf = RequestConfig.custom();
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+ if (connTimeout != null) {
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+ customReqConf.setConnectTimeout(connTimeout);
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+ }
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+ if (readTimeout != null) {
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+ customReqConf.setSocketTimeout(readTimeout);
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+ }
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+ get.setConfig(customReqConf.build());
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+
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+ HttpResponse res = null;
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+
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+ if (url.startsWith("https")) {
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+ // 执行 Https 请求.
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+ client = createSSLInsecureClient();
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+ res = client.execute(get);
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+ } else {
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+ // 执行 Http 请求.
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+ client = HttpClientUtils.client;
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+ res = client.execute(get);
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+ }
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+
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+ result = IOUtils.toString(res.getEntity().getContent(), charset);
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+ } finally {
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+ get.releaseConnection();
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+ if (url.startsWith("https") && client != null && client instanceof CloseableHttpClient) {
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+ ((CloseableHttpClient) client).close();
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+ }
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+ }
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+ return result;
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+ }
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+
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+ private static CloseableHttpClient createSSLInsecureClient() throws GeneralSecurityException {
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+ try {
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+ SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
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+ public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
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+ return true;
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+ }
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+ }).build();
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+
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+ SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {
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+
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+ @Override
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+ public boolean verify(String arg0, SSLSession arg1) {
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+ return true;
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+ }
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+
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+ @Override
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+ public void verify(String host, SSLSocket ssl)
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+ throws IOException {
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+ }
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+
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+ @Override
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+ public void verify(String host, X509Certificate cert)
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+ throws SSLException {
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+ }
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+
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+ @Override
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+ public void verify(String host, String[] cns,
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+ String[] subjectAlts) throws SSLException {
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+ }
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+
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+ });
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+
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+ return HttpClients.custom().setSSLSocketFactory(sslsf).build();
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+
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+ } catch (GeneralSecurityException e) {
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+ throw e;
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+ }
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+ }
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+
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+}
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