/*
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */


package at.gv.egiz.bku.slcommands.impl.xsect;

import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;

import javax.xml.crypto.AlgorithmMethod;
import javax.xml.crypto.dsig.CanonicalizationMethod;
import javax.xml.crypto.dsig.DigestMethod;
import javax.xml.crypto.dsig.SignatureMethod;

/**
 * A factory for creating {@link AlgorithmMethod}s.
 * 
 * @author mcentner
 */
public interface AlgorithmMethodFactory {

  /**
   * Creates a new DigestMethod for the given <code>signatureContext</code>.
   * 
   * @param signatureContext
   *          the signature context
   * 
   * @return a DigestMethod for the given <code>signatureContext</code>
   * 
   * @throws NoSuchAlgorithmException
   * @throws InvalidAlgorithmParameterException
   */
  public DigestMethod createDigestMethod(SignatureContext signatureContext)
      throws NoSuchAlgorithmException, InvalidAlgorithmParameterException;

  /**
   * Creates a new SignatureMethod for the given <code>signatureContext</code>.
   * 
   * @param signatureContext
   *          the signature context
   * 
   * @return a SignatureMethod for the given <code>signatureContext</code>
   * 
   * @throws NoSuchAlgorithmException
   * @throws InvalidAlgorithmParameterException
   */
  public SignatureMethod createSignatureMethod(SignatureContext signatureContext)
      throws NoSuchAlgorithmException, InvalidAlgorithmParameterException;

  /**
   * Creates a new CanonicalizationMethod for the given
   * <code>signatureContext</code>.
   * 
   * @param signatureContext
   *          the signature context
   * 
   * @return a CanonicalizationMethod for the given
   *         <code>signatureContext</code>
   * 
   * @throws NoSuchAlgorithmException
   * @throws InvalidAlgorithmParameterException
   */
  public CanonicalizationMethod createCanonicalizationMethod(
      SignatureContext signatureContext) throws NoSuchAlgorithmException,
      InvalidAlgorithmParameterException;

  public String getSignatureAlgorithmURI();

  public String getDigestAlgorithmURI();
}