projects/GDE_App/GDE-war/test/com/edf/gde/test/restapi/providers/FileCertificateProvider.java

   1 package gdetester.restapi.providers;
   2
   3 import java.io.BufferedInputStream;
   4 import java.io.File;
   5 import java.io.FileInputStream;
   6 import java.io.FileNotFoundException;
   7 import java.io.IOException;
   8 import java.io.InputStream;
   9 import java.security.cert.Certificate;
  10 import java.security.cert.CertificateException;
  11 import java.security.cert.CertificateFactory;
  12
  13 public class FileCertificateProvider implements CertificateProvider {
  14
  15     private final File file;
  16     private Certificate ca;
  17
  18     public FileCertificateProvider(File file) {
  19         this.file = file;
  20     }
  21
  22     public FileCertificateProvider(String fileName) {
  23         file = new File(fileName);
  24     }
  25
  26     @Override
  27     public Certificate getCertificate() throws CertificateException, IOException {
  28         if (ca != null) {
  29             return ca;
  30         }
  31
  32         CertificateFactory cf = CertificateFactory.getInstance("X.509");
  33         InputStream caInput = null;
  34         try {
  35             caInput = new BufferedInputStream(new FileInputStream(file));
  36             ca = cf.generateCertificate(caInput);
  37             return ca;
  38         } catch (FileNotFoundException ex) {
  39             throw new IOException(ex);
  40         } finally {
  41             if (caInput != null) {
  42                 caInput.close();
  43             }
  44         }
  45     }
  46
  47 }