Class JarSigner


  • public class JarSigner
    extends java.lang.Object
    Helper class to sign a Jar file.
    Author:
    Christopher Mindus
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String getJarsigner()
      Gets the jarsigner executable that is present in the JDK.
      static void signJar​(java.io.File jarFile, java.security.KeyStore keystore, java.io.File keystoreFile, java.lang.String storetype, java.lang.String storePassword, java.lang.String keyPassword, java.lang.String alias, java.lang.String tsa)
      Signs the Jar file.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Method Detail

      • getJarsigner

        public static java.lang.String getJarsigner()
                                             throws NotFoundException
        Gets the jarsigner executable that is present in the JDK.
        Returns:
        The jarsigner executable.
        Throws:
        NotFoundException - If jarsigner[.exe] is not found.
      • signJar

        public static void signJar​(java.io.File jarFile,
                                   java.security.KeyStore keystore,
                                   java.io.File keystoreFile,
                                   java.lang.String storetype,
                                   java.lang.String storePassword,
                                   java.lang.String keyPassword,
                                   java.lang.String alias,
                                   java.lang.String tsa)
                            throws java.io.IOException
        Signs the Jar file.

        Note: if tsa parameter is set, i.e. timestamping is used, an Internet connection must be present, otherwise this call will fail.

        Parameters:
        jarFile - The Jar file to sign.
        keystore - The keystore, or null for keystore from a file.
        keystoreFile - The keystore file must be specified if keystore parameter is null.
        storetype - The keystore type, e.g. JKS or PKCS12.
        storePassword - The password for the keystore.
        keyPassword - The password for the private key, if different than storePassword, null otherwise.
        alias - The alias to use.
        tsa - The timestamping authority URL, null for none.
        Throws:
        java.io.IOException - For I/O errors.