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[Java]在线文件转Base64及解决地址为https [复制链接]

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只看楼主 倒序阅读 使用道具 楼主  发表于: 2018-06-02
关键词： java

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  2.    /**
  3.      * 获取在线图片/音频BASE64格式
  4.      *
  5.      * @param filePath 图片/音频路径
  6.      * @return 图片base64位
  7.      */
  8.     public String base64File(String filePath) {
  9.         String str = "";
  10.         try {
  11.             URL url = new URL(filePath);
  12.             //SSL请求地址
  13.             trustAllHttpsCertificates();
  14.             HttpsURLConnection.setDefaultHostnameVerifier(hv);
  17.             HttpURLConnection conn = (HttpURLConnection) url.openConnection();
  18.             DataInputStream in = new DataInputStream(conn.getInputStream());
  19.             ByteArrayOutputStream out = new ByteArrayOutputStream();
  20.             byte[] buffer = new byte[1024 * 4];
  21.             int n = 0;
  22.             while ((n = in.read(buffer)) != -1) {
  23.                 out.write(buffer, 0, n);
  24.             }
  25.             byte[] data = out.toByteArray();
  26.             BASE64Encoder encoder = new BASE64Encoder();
  27.             str = encoder.encode(data);
  28.             str = str.replaceAll("\r|\n", "");
  29.         } catch (Exception e) {
  30.             throw new ValidatorException(StatusCodeEnum.UNKNOW, "媒体资源获取失败！");
  31.         }
  32.         return str;
  33.     }
  36.     /**
  37.      * 兼容SSL地址请求
  38.      */
  39.     HostnameVerifier hv = new HostnameVerifier() {
  40.         @Override
  41.         public boolean verify(String urlHostName, SSLSession session) {
  42.             System.out.println("Warning: URL Host: " + urlHostName + " vs. "
  43.                     + session.getPeerHost());
  44.             return true;
  45.         }
  46.     };
  49.     private static void trustAllHttpsCertificates() throws Exception {
  50.         javax.net.ssl.TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[1];
  51.         javax.net.ssl.TrustManager tm = new SllManager();
  52.         trustAllCerts[0] = tm;
  53.         javax.net.ssl.SSLContext sc = javax.net.ssl.SSLContext
  54.                 .getInstance("SSL");
  55.         sc.init(null, trustAllCerts, null);
  56.         javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc
  57.                 .getSocketFactory());
  58.     }
  61.     static class SllManager implements javax.net.ssl.TrustManager,
  62.             javax.net.ssl.X509TrustManager {
  63.         @Override
  64.         public java.security.cert.X509Certificate[] getAcceptedIssuers() {
  65.             return null;
  66.         }
  69.         public boolean isServerTrusted(
  70.                 java.security.cert.X509Certificate[] certs) {
  71.             return true;
  72.         }
  75.         public boolean isClientTrusted(
  76.                 java.security.cert.X509Certificate[] certs) {
  77.             return true;
  78.         }
  81.         @Override
  82.         public void checkServerTrusted(
  83.                 java.security.cert.X509Certificate[] certs, String authType)
  84.                 throws java.security.cert.CertificateException {
  85.             return;
  86.         }
  89.         @Override
  90.         public void checkClientTrusted(
  91.                 java.security.cert.X509Certificate[] certs, String authType)
  92.                 throws java.security.cert.CertificateException {
  93.             return;
  94.         }
  95.     }



 
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