Class Timestamp

java.lang.Object
java.security.Timestamp
All Implemented Interfaces:
Serializable
public final classTimestampextendsObjectimplementsSerializable
This class encapsulates information about a signed timestamp. It is immutable. It includes the timestamp's date and time as well as information about the Timestamping Authority (TSA) which generated and signed the timestamp.
Since:
1.5
See Also:

  • Constructor Details

    • Timestamp

      public Timestamp(Date timestamp,CertPath signerCertPath)
      Constructs aTimestamp.
      Parameters:
      timestamp - is the timestamp's date and time. It must not benull.
      signerCertPath - is the TSA's certificate path. It must not benull.
      Throws:
      NullPointerException - if timestamp or signerCertPath isnull.

  • Method Details

    • getTimestamp

      public Date getTimestamp()
      Returns the date and time when theTimestamp was generated.
      Returns:
      The timestamp's date and time.

    • getSignerCertPath

      public CertPath getSignerCertPath()
      Returns the certificate path for the Timestamping Authority.
      Returns:
      The TSA's certificate path.

    • hashCode

      public int hashCode()
      Returns the hash code value for thisTimestamp. The hash code is generated using the date and time of theTimestamp and the TSA's certificate path.
      Overrides:
      hashCode in class Object
      Returns:
      a hash code value for thisTimestamp.
      See Also:

    • equals

      public boolean equals(Object obj)
      Tests for equality between the specified object and thisTimestamp. Two timestamps are considered equal if the date and time of their timestamp's and their signer's certificate paths are equal.
      Overrides:
      equals in class Object
      Parameters:
      obj - the object to test for equality with thisTimestamp.
      Returns:
      true if the timestamps are considered equal,false otherwise.
      See Also:

    • toString

      public String toString()
      Returns a string describing thisTimestamp.
      Overrides:
      toString in class Object
      Returns:
      A string comprising the date and time of theTimestamp and its signer's certificate.