Examples of org.jnetpcap.protocol.voip.Rtp$Extension

org.apache.harmony.security.x509.Extension
An extension mechanism is provided to allow individual implementations to experiment with new payload-format-independent functions that require additional information to be carried in the RTP data packet header. This mechanism is designed so that the header extension may be ignored by other interoperating implementations that have not been extended. Schulzrinne, et al. Standards Track [Page 18] RFC 3550 RTP July 2003 Note that this header extension is intended only for limited use. Most potential uses of this mechanism would be better done another way, using the methods described in the previous section. For example, a profile-specific extension to the fixed header is less expensive to process because it is not conditional nor in a variable location. Additional information required for a particular payload format SHOULD NOT use this header extension, but SHOULD be carried in the payload section of the packet.
```
 0                   1                   2                   3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |      defined by profile       |           length              | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |                        header extension                       | |                             ....                              | 
```
If the X bit in the RTP header is one, a variable-length header extension MUST be appended to the RTP header, following the CSRC list if present. The header extension contains a 16-bit length field that counts the number of 32-bit words in the extension, excluding the four-octet extension header (therefore zero is a valid length). Only a single extension can be appended to the RTP data header. To allow multiple interoperating implementations to each experiment independently with different header extensions, or to allow a particular implementation to experiment with more than one type of header extension, the first 16 bits of the header extension are left open for distinguishing identifiers or parameters. The format of these 16 bits is to be defined by the profile specification under which the implementations are operating. This RTP specification does not define any header extensions itself.
This is a baseclass, suitable for use by extending it with the appropriate extension based on the profile definition. The class defines methods for reading the static fields that are present in every extension, especially the {@link #length} field. No sub-header ID needs to be manually assignedsince Rtp specification only allows a single extension to exist within a header. Note that the profile specific 16-bit field has a getter method provided but is not marked with Field annotation. This provides a method for reading the raw 16-bit field value and allows the subclass to provide its own method that is profile specific and which possibly further breaks down the structure of this raw field into a sub-structure.
@author Mark Bednarczyk @author Sly Technologies, Inc.

        System.out.println("Plugin key: " + keyStr + 
            " is used. Please try with a new key.");
      }
      else 
      {
        Extension ext = createExtensionObject(props);
        extMgr.registerExtension(ext);
        System.out.println("Plugin: " + keyStr + 
            " has been successfully registered.");
      }
    }
    else if ("update".equalsIgnoreCase(operation))
    {
      if(extMgr.findExtension(keyStr)!=null)
      {
        Extension ext = createExtensionObject(props);
        extMgr.updateExtension(ext);
        System.out.println("Plugin: " + keyStr + 
            " has been successfully updated.");
      }
      else

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    eci.setUrl(extUrl);
    eci.setType("com.vmware.vim.viClientScripts");
    eci.setVersion(version);
    eci.setDescription(description);


    Extension ext = new Extension();
    ext.setServer(new ExtensionServerInfo[]{esi});
    ext.setClient(new ExtensionClientInfo[] {eci});
    ext.setDescription(description);
    ext.setKey(keyStr);
    ext.setVersion(version);
    ext.setLastHeartbeatTime(Calendar.getInstance());


    return ext;
  }

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        boolean[] issuerUniqueID  = new boolean[] 
                    {true, false, true, false, true, false, true, false};
        boolean[] subjectUniqueID = new boolean[]
                    {false, true, false, true, false, true, false, true};


        Extension extension = new Extension("2.5.29.17", 
                                            true, subjectAltNames.getEncoded());
        Extensions extensions = new Extensions();
        extensions.addExtension(extension);
       
        TBSCertificate tbsCertificate = new TBSCertificate(version,

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     */
    public byte[] getExtensionValue(String oid) {
        if (extensions == null) {
            return null;
        }
        Extension ext = extensions.getExtensionByOID(oid);
        return (ext == null) ? null : ext.getRawExtnValue();
    }

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    public byte[] getExtensionValue(String oid) {
        if (extensions == null) {
            return null;
        }
        // retrieve the info from the cached extensions object
        Extension ext = extensions.getExtensionByOID(oid);
        return (ext == null) ? null : ext.getRawExtnValue();
    }

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            new GeneralName(6, "http://Resource.Id"),
            new GeneralName(new byte[] {1, 1, 1, 1}),
            new GeneralName(8, "1.2.3.4444.55555")
        };
        GeneralNames sans = new GeneralNames(Arrays.asList(san));
        Extension extension = new Extension("2.5.29.17", true, sans.getEncoded());
        Extensions extensions = new Extensions();
        extensions.addExtension(extension);
        
        byte[] encoding = extensions.getEncoded();
        Extensions.ASN1.decode(encoding);

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        // crl entry extensions
        Extensions crlEntryExtensions = new Extensions();
        // add reason code extension which OID is 2.5.29.21
        // see RFC 3280 http://www.ietf.org/rfc/rfc3280.txt
        crlEntryExtensions.addExtension(
                new Extension("2.5.29.21", Extension.NON_CRITICAL,
                    new ReasonCode(ReasonCode.KEY_COMPROMISE)));
        // crl entry
        X509CRLEntryImpl crlEntry = new X509CRLEntryImpl(
                new TBSCertList.RevokedCertificate(
                        serialNumber,

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        GeneralName tsa = new GeneralName(new Name("CN=AnAuthority"));
        Extensions exts = new Extensions();
        // Time-Stamping extension OID: as defined in RFC 3161
        int[] timeStampingExtOID = new int[] { 1, 3, 6, 1, 5, 5, 7, 3, 8 };
        byte[] timeStampingExtValue = new byte[] { (byte) 1, (byte) 2, (byte) 3 };
        Extension ext = new Extension(timeStampingExtOID, true,
                timeStampingExtValue);
        exts.addExtension(ext);


        TSTInfo tSTInfo = new TSTInfo(1, policy, msgImprint, BigInteger.TEN,
                genTime, accuracy, Boolean.FALSE, nonce, tsa, exts);

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        String reqPolicy = "1.2.3.4.5";
        BigInteger nonce = BigInteger.valueOf(1234567890L); 
        Extensions exts = new Extensions();
        int[] extOID = new int[] { 1, 2, 3, 2, 1 };
        byte[] extValue = new byte[] { (byte) 1, (byte) 2, (byte) 3 };
        Extension ext = new Extension(extOID, false, extValue);
        exts.addExtension(ext);


        TimeStampReq req = new TimeStampReq(1, msgImprint, reqPolicy,
                nonce, Boolean.FALSE, exts);
        byte[] encoding = req.getEncoded();

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        GeneralName tsa = new GeneralName(new Name("CN=AnAuthority"));
        Extensions exts = new Extensions();
        // Time-Stamping extension OID: as defined in RFC 3161
        int[] timeStampingExtOID = new int[] { 1, 3, 6, 1, 5, 5, 7, 3, 8 };
        byte[] timeStampingExtValue = new byte[] { (byte) 1, (byte) 2, (byte) 3 };
        Extension ext = new Extension(timeStampingExtOID, true,
                timeStampingExtValue);
        exts.addExtension(ext);


        TSTInfo info = new TSTInfo(1, policy, msgImprint, BigInteger.TEN,
                genTime, accuracy, Boolean.FALSE, nonce, tsa, exts);

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