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AlertProtocol


org.apache.harmony.xnet.provider.jsse

Class AlertProtocol



  • public class AlertProtocol
    extends Object
    This class encapsulates the functionality of Alert Protocol. Constant values are taken according to the TLS v1 specification (http://www.ietf.org/rfc/rfc2246.txt), p 7.2.
    • Field Summary

      Fields
      Modifier and Type Field and Description
      protected static byte ACCESS_DENIED
      Defines the description code of the access_denied alert
      protected static byte BAD_CERTIFICATE
      Defines the description code of the bad_certificate alert
      protected static byte BAD_RECORD_MAC
      Defines the description code of the bad_record_mac alert
      protected static byte CERTIFICATE_EXPIRED
      Defines the description code of the certificate_expired alert
      protected static byte CERTIFICATE_REVOKED
      Defines the description code of the certificate_revoked alert
      protected static byte CERTIFICATE_UNKNOWN
      Defines the description code of the certificate_unknown alert
      protected static byte CLOSE_NOTIFY
      Defines the description code of the close_notify alert
      protected static byte DECODE_ERROR
      Defines the description code of the decode_error alert
      protected static byte DECOMPRESSION_FAILURE
      Defines the description code of the decompression_failure alert
      protected static byte DECRYPT_ERROR
      Defines the description code of the decrypt_error alert
      protected static byte DECRYPTION_FAILED
      Defines the description code of the decryption_failed alert
      protected static byte EXPORT_RESTRICTION
      Defines the description code of the export_restriction alert
      protected static byte FATAL
      Defines the severity of alert as fatal
      protected static byte HANDSHAKE_FAILURE
      Defines the description code of the handshake_failure alert
      protected static byte ILLEGAL_PARAMETER
      Defines the description code of the illegal_parameter alert
      protected static byte INSUFFICIENT_SECURITY
      Defines the description code of the insufficient_security alert
      protected static byte INTERNAL_ERROR
      Defines the description code of the internal_error alert
      protected static byte NO_RENEGOTIATION
      Defines the description code of the no_renegotiation alert
      protected static byte PROTOCOL_VERSION
      Defines the description code of the protocol_version alert
      protected static byte RECORD_OVERFLOW
      Defines the description code of the record_overflow alert
      protected static byte UNEXPECTED_MESSAGE
      Defines the description code of the unexpected_message alert
      protected static byte UNKNOWN_CA
      Defines the description code of the unknown_ca alert
      protected static byte UNSUPPORTED_CERTIFICATE
      Defines the description code of the unsupported_certificate alert
      protected static byte USER_CANCELED
      Defines the description code of the user_canceled alert
      protected static byte WARNING
      Defines the severity of alert as warning
    • Constructor Summary

      Constructors
      Modifier Constructor and Description
      protected AlertProtocol()
      Creates the instance of AlertProtocol.
    • Field Detail

      • WARNING

        protected static final byte WARNING
        Defines the severity of alert as warning
        See Also:
        Constant Field Values
      • FATAL

        protected static final byte FATAL
        Defines the severity of alert as fatal
        See Also:
        Constant Field Values
      • CLOSE_NOTIFY

        protected static final byte CLOSE_NOTIFY
        Defines the description code of the close_notify alert
        See Also:
        Constant Field Values
      • UNEXPECTED_MESSAGE

        protected static final byte UNEXPECTED_MESSAGE
        Defines the description code of the unexpected_message alert
        See Also:
        Constant Field Values
      • BAD_RECORD_MAC

        protected static final byte BAD_RECORD_MAC
        Defines the description code of the bad_record_mac alert
        See Also:
        Constant Field Values
      • DECRYPTION_FAILED

        protected static final byte DECRYPTION_FAILED
        Defines the description code of the decryption_failed alert
        See Also:
        Constant Field Values
      • RECORD_OVERFLOW

        protected static final byte RECORD_OVERFLOW
        Defines the description code of the record_overflow alert
        See Also:
        Constant Field Values
      • DECOMPRESSION_FAILURE

        protected static final byte DECOMPRESSION_FAILURE
        Defines the description code of the decompression_failure alert
        See Also:
        Constant Field Values
      • HANDSHAKE_FAILURE

        protected static final byte HANDSHAKE_FAILURE
        Defines the description code of the handshake_failure alert
        See Also:
        Constant Field Values
      • BAD_CERTIFICATE

        protected static final byte BAD_CERTIFICATE
        Defines the description code of the bad_certificate alert
        See Also:
        Constant Field Values
      • UNSUPPORTED_CERTIFICATE

        protected static final byte UNSUPPORTED_CERTIFICATE
        Defines the description code of the unsupported_certificate alert
        See Also:
        Constant Field Values
      • CERTIFICATE_REVOKED

        protected static final byte CERTIFICATE_REVOKED
        Defines the description code of the certificate_revoked alert
        See Also:
        Constant Field Values
      • CERTIFICATE_EXPIRED

        protected static final byte CERTIFICATE_EXPIRED
        Defines the description code of the certificate_expired alert
        See Also:
        Constant Field Values
      • CERTIFICATE_UNKNOWN

        protected static final byte CERTIFICATE_UNKNOWN
        Defines the description code of the certificate_unknown alert
        See Also:
        Constant Field Values
      • ILLEGAL_PARAMETER

        protected static final byte ILLEGAL_PARAMETER
        Defines the description code of the illegal_parameter alert
        See Also:
        Constant Field Values
      • UNKNOWN_CA

        protected static final byte UNKNOWN_CA
        Defines the description code of the unknown_ca alert
        See Also:
        Constant Field Values
      • ACCESS_DENIED

        protected static final byte ACCESS_DENIED
        Defines the description code of the access_denied alert
        See Also:
        Constant Field Values
      • DECODE_ERROR

        protected static final byte DECODE_ERROR
        Defines the description code of the decode_error alert
        See Also:
        Constant Field Values
      • DECRYPT_ERROR

        protected static final byte DECRYPT_ERROR
        Defines the description code of the decrypt_error alert
        See Also:
        Constant Field Values
      • EXPORT_RESTRICTION

        protected static final byte EXPORT_RESTRICTION
        Defines the description code of the export_restriction alert
        See Also:
        Constant Field Values
      • PROTOCOL_VERSION

        protected static final byte PROTOCOL_VERSION
        Defines the description code of the protocol_version alert
        See Also:
        Constant Field Values
      • INSUFFICIENT_SECURITY

        protected static final byte INSUFFICIENT_SECURITY
        Defines the description code of the insufficient_security alert
        See Also:
        Constant Field Values
      • INTERNAL_ERROR

        protected static final byte INTERNAL_ERROR
        Defines the description code of the internal_error alert
        See Also:
        Constant Field Values
      • USER_CANCELED

        protected static final byte USER_CANCELED
        Defines the description code of the user_canceled alert
        See Also:
        Constant Field Values
      • NO_RENEGOTIATION

        protected static final byte NO_RENEGOTIATION
        Defines the description code of the no_renegotiation alert
        See Also:
        Constant Field Values
    • Method Detail

      • setRecordProtocol

        protected void setRecordProtocol(SSLRecordProtocol recordProtocol)
        Sets up the record protocol to be used by this allert protocol.
      • alert

        protected void alert(byte level,
                 byte description)
        Reports an alert to be sent/received by transport. This method is usually called during processing of the income TSL record: if it contains alert message from another peer, or if warning alert occured during the processing of the message and this warning should be sent to another peer.
        Parameters:
        level: - alert level code
        description: - alert description code
      • getDescriptionCode

        protected byte getDescriptionCode()
        Returns the description code of alert or -100 if there is no alert.
      • setProcessed

        protected void setProcessed()
        Resets the protocol to be in "no alert" state. This method shoud be called after processing of the reported alert.
      • hasAlert

        protected boolean hasAlert()
        Checks if any alert has occured.
      • isFatalAlert

        protected boolean isFatalAlert()
        Checks if occured alert is fatal alert.
      • getAlertDescription

        protected String getAlertDescription()
        Returns the string representation of occured alert. If no alert has occured null is returned.
      • wrap

        protected byte[] wrap()
        Returns the record with reported alert message. The returned array of bytes is ready to be sent to another peer. Note, that this method does not automatically set the state of alert protocol in "no alert" state, so after wrapping the method setProcessed should be called.
      • shutdown

        protected void shutdown()
        Shutdown the protocol. It will be impossible to use the instance after the calling of this method.


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