package net.trajano.wagon.git.internal;
   
   import org.eclipse.jgit.transport.CredentialItem;
   import org.eclipse.jgit.transport.CredentialsProvider;
   import org.eclipse.jgit.transport.URIish;
   
   /**
    * A {@link CredentialsProvider} that takes in a passphrase.
    */
  public class PassphraseCredentialsProvider extends CredentialsProvider {
      /**
       * Passphrase.
       */
      private final String passphrase;
  
      /**
       * Constructs the provider using a given passphrase.
       *
       * @param passphrase
       *            passphrase
       */
      public PassphraseCredentialsProvider(final String passphrase) {
          super();
          this.passphrase = passphrase;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean get(final URIish uriish, final CredentialItem... items) {
          for (final CredentialItem item : items) {
              if (item instanceof CredentialItem.StringType) {
                  ((CredentialItem.StringType) item).setValue(passphrase);
                  continue;
              }
          }
          return true;
      }
  
      /**
       * This provider does not interact with the user, it pulls directly from the
       * value that was set in the constructor.
       *
       * @return <code>false</code>
       */
      @Override
      public boolean isInteractive() {
          return false;
      }
  
      /**
       * {@inheritDoc}
       *
       * @return <code>true</code> when items contains a {@link CredentialItem}
       *         .StringType
       */
      @Override
      public boolean supports(final CredentialItem... items) {
          for (final CredentialItem item : items) {
              if (item instanceof CredentialItem.StringType) {
                  return true;
              }
          }
          return false;
      }
  }