CodeSigner (Java Platform SE 8 )
Keywords: java.security.CodeSigner class
Date: 2016-07-28

compact1, compact2, compact3
java.security

## Class CodeSigner

- java.lang.Object
- - java.security.CodeSigner

- All Implemented Interfaces:
    Serializable

      public final class CodeSigner
      extends Object
      implements Serializable

  This class encapsulates information about a code signer. It is immutable.
  Since:
    1.5
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `CodeSigner(CertPath signerCertPath, Timestamp timestamp)` Constructs a CodeSigner object.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `equals(Object obj)` Tests for equality between the specified object and this code signer.
    `CertPath` | `getSignerCertPath()` Returns the signer's certificate path.
    `Timestamp` | `getTimestamp()` Returns the signature timestamp.
    `int` | `hashCode()` Returns the hash code value for this code signer.
    `String` | `toString()` Returns a string describing this code signer.

    - ### Methods inherited from class java.lang.Object

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### CodeSigner

          public CodeSigner(CertPath signerCertPath,
                            Timestamp timestamp)

      Constructs a CodeSigner object.
      Parameters:
        `signerCertPath` - The signer's certificate path. It must not be `null`.
        `timestamp` - A signature timestamp. If `null` then no timestamp was generated for the signature.
      Throws:
        `NullPointerException` - if `signerCertPath` is `null`.

  - ### Method Detail

    - #### getSignerCertPath

          public CertPath getSignerCertPath()

      Returns the signer's certificate path.
      Returns:
        A certificate path.

    - #### getTimestamp

          public Timestamp getTimestamp()

      Returns the signature timestamp.
      Returns:
        The timestamp or `null` if none is present.

    - #### hashCode

          public int hashCode()

      Returns the hash code value for this code signer. The hash code is generated using the signer's certificate path and the timestamp, if present.
      Overrides:
        `hashCode` in class `Object`
      Returns:
        a hash code value for this code signer.
      See Also:
        `Object.equals(java.lang.Object)`, `System.identityHashCode(java.lang.Object)`

    - #### equals

          public boolean equals(Object obj)

      Tests for equality between the specified object and this code signer. Two code signers are considered equal if their signer certificate paths are equal and if their timestamps are equal, if present in both.
      Overrides:
        `equals` in class `Object`
      Parameters:
        `obj` - the object to test for equality with this object.
      Returns:
        true if the objects are considered equal, false otherwise.
      See Also:
        `Object.hashCode()`, `HashMap`

    - #### toString

          public String toString()

      Returns a string describing this code signer.
      Overrides:
        `toString` in class `Object`
      Returns:
        A string comprising the signer's certificate and a timestamp, if present.

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