java使用https post发送json数据

2014/11/28 16:29
阅读数 1.8W
package com.saygou.weixin;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

public class HttpsUtil {

	private static class TrustAnyTrustManager implements X509TrustManager {

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

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

		public X509Certificate[] getAcceptedIssuers() {
			return new X509Certificate[] {};
		}
	}

	private static class TrustAnyHostnameVerifier implements HostnameVerifier {
		public boolean verify(String hostname, SSLSession session) {
			return true;
		}
	}

	/**
	 * post方式请求服务器(https协议)
	 * 
	 * @param url
	 *            请求地址
	 * @param content
	 *            参数
	 * @param charset
	 *            编码
	 * @return
	 * @throws NoSuchAlgorithmException
	 * @throws KeyManagementException
	 * @throws IOException
	 */
	public static byte[] post(String url, String content, String charset)
			throws NoSuchAlgorithmException, KeyManagementException,
			IOException {
		SSLContext sc = SSLContext.getInstance("SSL");
		sc.init(null, new TrustManager[] { new TrustAnyTrustManager() },
				new java.security.SecureRandom());

		URL console = new URL(url);
		HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
		conn.setSSLSocketFactory(sc.getSocketFactory());
		conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
		conn.setDoOutput(true);
		conn.connect();
		DataOutputStream out = new DataOutputStream(conn.getOutputStream());
		out.write(content.getBytes(charset));
		// 刷新、关闭
		out.flush();
		out.close();
		InputStream is = conn.getInputStream();
		if (is != null) {
			ByteArrayOutputStream outStream = new ByteArrayOutputStream();
			byte[] buffer = new byte[1024];
			int len = 0;
			while ((len = is.read(buffer)) != -1) {
				outStream.write(buffer, 0, len);
			}
			is.close();
			return outStream.toByteArray();
		}
		return null;
	}

}


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