open-JSD-9844/src/main/java/com/fr/plugin/xxx/zojj/sso/util/HttpClient.java

package com.fr.plugin.xxx.zojj.sso.util;

import javax.net.ssl.*;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Map;
import java.util.Map.Entry;

/**
 * 
 * @version V1.0
 * @ClassName: HttpClient
 * @Description: HTTP
 */
public class HttpClient {

	/**
	 * https 域名校验
	 */
	private class TrustAnyHostnameVerifier implements HostnameVerifier {
		public boolean verify(String hostname, SSLSession session) {
			return true;
		}
	}

	/**
	 * https 证书管理
	 */
	private class TrustAnyTrustManager implements X509TrustManager {
		public X509Certificate[] getAcceptedIssuers() {
			return null;
		}

		public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
		}

		public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
		}
	}

	private static final String GET = "GET";
	private static final String POST = "POST";
	// private static final String CHARSET = "GBK";
	private static final String CHARSET = "UTF-8";

	private static final SSLSocketFactory sslSocketFactory = initSSLSocketFactory();
	private static final TrustAnyHostnameVerifier trustAnyHostnameVerifier = new HttpClient().new TrustAnyHostnameVerifier();

	private static SSLSocketFactory initSSLSocketFactory() {
		try {
			TrustManager[] tm = { new HttpClient().new TrustAnyTrustManager() };
			SSLContext sslContext = SSLContext.getInstance("TLS", "SunJSSE");
			sslContext.init(null, tm, new java.security.SecureRandom());
			return sslContext.getSocketFactory();
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}

	private static HttpURLConnection getHttpConnection(String url, String method, Map<String, String> headers)
			throws IOException, NoSuchAlgorithmException, NoSuchProviderException, KeyManagementException {
		URL _url = new URL(url);
		HttpURLConnection conn = (HttpURLConnection) _url.openConnection();
		if (conn instanceof HttpsURLConnection) {
			((HttpsURLConnection) conn).setSSLSocketFactory(sslSocketFactory);
			((HttpsURLConnection) conn).setHostnameVerifier(trustAnyHostnameVerifier);
		}

		conn.setRequestMethod(method);
		conn.setDoOutput(true);
		conn.setDoInput(true);

		conn.setConnectTimeout(19000);
		conn.setReadTimeout(19000);

		conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
		conn.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36");

		if (headers != null && !headers.isEmpty())
			for (Entry<String, String> entry : headers.entrySet())
				conn.setRequestProperty(entry.getKey(), entry.getValue());

		return conn;
	}

	/**
	 * Send GET request
	 */
	public static String get(String url, Map<String, String> queryParas, Map<String, String> headers) {
		HttpURLConnection conn = null;
		try {
			conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), GET, headers);
			conn.connect();
			return readResponseString(conn);
		} catch (Exception e) {
			e.printStackTrace();
			System.out.println(e.getMessage());
			throw new RuntimeException(e);
		} finally {
			if (conn != null) {
				conn.disconnect();
			}
		}
	}

	public static String get(String url, Map<String, String> queryParas) {
		return get(url, queryParas, null);
	}

	public static String get(String url) {
		return get(url, null, null);
	}

	/**
	 * Send POST request
	 */
	public static String post(String url, Map<String, String> queryParas, String data, Map<String, String> headers) {
		HttpURLConnection conn = null;
		try {
			conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), POST, headers);
			conn.connect();

			OutputStream out = conn.getOutputStream();
			out.write(data.getBytes(CHARSET));
			out.flush();
			out.close();

			return readResponseString(conn);
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			if (conn != null) {
				conn.disconnect();
			}
		}
	}

	public static String post(String url, Map<String, String> queryParas, String data) {
		return post(url, queryParas, data, null);
	}

	public static String post(String url, Map<String, String> data) {
		return post(url, data, "", null);
	}

	public static String post(String url, String data, Map<String, String> headers) {
		return post(url, null, data, headers);
	}

	public static String post(String url, String data) {
		return post(url, null, data, null);
	}

	private static String readResponseString(HttpURLConnection conn) {
		StringBuilder sb = new StringBuilder();
		InputStream inputStream = null;
		try {
			inputStream = conn.getInputStream();
			BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, CHARSET));
			String line = null;
			while ((line = reader.readLine()) != null) {
				sb.append(line);
			}
			return sb.toString();
		} catch (Exception e) {
			throw new RuntimeException(e);
		} finally {
			if (inputStream != null) {
				try {
					inputStream.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}

	/**
	 * Build queryString of the url
	 */
	private static String buildUrlWithQueryString(String url, Map<String, String> queryParas) {
		if (queryParas == null || queryParas.isEmpty())
			return url;

		StringBuilder sb = new StringBuilder(url);
		boolean isFirst;
		if (url.indexOf("?") == -1) {
			isFirst = true;
			sb.append("?");
		} else {
			isFirst = false;
		}

		for (Entry<String, String> entry : queryParas.entrySet()) {
			if (isFirst)
				isFirst = false;
			else
				sb.append("&");

			String key = entry.getKey();
			String value = entry.getValue();
			if (value != null && !"".equals(value))
				try {
					value = URLEncoder.encode(value, CHARSET);
				} catch (UnsupportedEncodingException e) {
					throw new RuntimeException(e);
				}
			sb.append(key).append("=").append(value);
		}
		return sb.toString();
	}

	public enum HttpContentType {
		JSON("Content-Type", "application/json; charset=UTF-8"), TEXT("Content-Type", "application/text; charset=UTF-8"), XML("Content-Type", "text/xml; charset=UTF-8");
		private String type;
		private String context;

		public String getType() {
			return this.type;
		}

		public String getContext() {
			return this.context;
		}

		private HttpContentType(String type, String context) {
			this.type = type;
			this.context = context;
		}
	}
}