Package eu.planets_project.services.fixity

Examples of eu.planets_project.services.fixity.FixityResult

66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
   */
  public FixityResult calculateChecksum(DigitalObject digitalObject,
      List<Parameter> parameters) {

    // The returned FixityResult & ServiceReport
    FixityResult retResult = null;
    ServiceReport retReport = null;
    try {
      // Let's get the requested message digest from the params (or default)
      URI requestedAlgId = this.getDigestIdFromParameters(parameters);

      // OK let's try to get the digest algorithm
      MessageDigest messDigest =
        MessageDigest.getInstance(JavaDigestUtils.getJavaAlgorithmName(requestedAlgId));
     
      // Now calc the result, we need the bytes from the object
      // so let's get the stream
      InputStream inStream = digitalObject.getContent().getInputStream();

      // Catch the special case of no data in the file
      if (this.addStreamBytesToDigest(messDigest,
          inStream,
          JavaDigest.DEFAULT_CHUNK_SIZE) < 1) {
        // log it, and create a new service report
        JavaDigest.log.severe(JavaDigest.NO_DATA_MESSAGE);
        retResult = this.createErrorResult(ServiceReport.Status.TOOL_ERROR, JavaDigest.NO_DATA_MESSAGE);

        // Return the result
        return retResult;
      }

      // OK, success so create the result
      retReport = new ServiceReport(ServiceReport.Type.INFO,
          ServiceReport.Status.SUCCESS,
          JavaDigest.SUCCESS_MESSAGE);

      // And wrap it in the result
      retResult = new FixityResult(JavaDigestUtils.getDefaultAlgorithmId().toString(),
                      messDigest.getProvider().getName(),
                     messDigest.digest(),
                     null,
                     retReport);

View Full Code Here
176
177
178
179
180
181
182
  private FixityResult createErrorResult(ServiceReport.Status status, String message) {
    ServiceReport retReport = new ServiceReport(ServiceReport.Type.ERROR,
                            status,
                          message);
    // And wrap it in the result
    return new FixityResult(retReport);
  }
View Full Code Here
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
        System.out.println("Recieved service description: " + desc.toXmlFormatted());
  }

  private void testDefaultDigest(TestFile testFile, Fixity fixity) {
    // Ok let's make the call to test
        FixityResult fixityResult = fixity.calculateChecksum(
                new DigitalObject.Builder(Content.byReference(new File(testFile
                        .getLocation()))).build(), null);
       
        // Check the result against an "independent" MD5 hash implementation
        try {
          // Use the apache codec MD5 algorithm
          File theFile = new File(testFile.getLocation());
          InputStream inStream = new FileInputStream(theFile);
      byte[] hash = DigestUtils.md5(inStream);
      inStream.close();

      // Assert that the hashes are equal
      assertTrue("Expecting Fast MD5 and Java MD5 byte hashes to be equal",
          Arrays.equals(hash, fixityResult.getDigestValue()));
     
      // Check the hex string value of the hash
      InputStream newStream = new FileInputStream(theFile);
      String hexhash = DigestUtils.md5Hex(newStream);
     
      // Assert that the string hashes are equal
      assertEquals("Expecting Fast MD5 and Java MD5 string hashes to be equal",
          hexhash,
          fixityResult.getHexDigestValue());
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      fail("Failure reading TestFile " + testFile.getLocation());
    }
       
        this.checkResult(fixityResult);
       
        System.out.println("File " + testFile.toString() +
                   " gave digest " + fixityResult.getHexDigestValue());
  }
View Full Code Here
TOP

Related Classes of eu.planets_project.services.fixity.FixityResult

  • eu.planets_project.ifr.core.services.fixity.javadigest.JavaDigest
  • eu.planets_project.ifr.core.services.fixity.javadigest.JavaDigestTests
  • java.math.BigInteger
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.