/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * $Id: SignatureProperties.java,v 1.4 2005/05/10 16:03:46 mullan Exp $

 */

package javax.xml.crypto.dsig;

import javax.xml.crypto.XMLStructure;

import java.util.List;

/**

 * A representation of the XML <code>SignatureProperties</code> element as

 * defined in the <a href="http://www.w3.org/TR/xmldsig-core/">

 * W3C Recommendation for XML-Signature Syntax and Processing</a>.

 * The XML Schema Definition is defined as:

 * <pre><code>

 *<element name="SignatureProperties" type="ds:SignaturePropertiesType"/>

 *   <complexType name="SignaturePropertiesType">

 *     <sequence>

 *       <element ref="ds:SignatureProperty" maxOccurs="unbounded"/>

 *     </sequence>

 *     <attribute name="Id" type="ID" use="optional"/>

 *   </complexType>

 * </code></pre>

 *

 * A <code>SignatureProperties</code> instance may be created by invoking the

 * {@link XMLSignatureFactory#newSignatureProperties newSignatureProperties}

 * method of the {@link XMLSignatureFactory} class; for example:

 *

 * <pre>

 *   XMLSignatureFactory factory = XMLSignatureFactory.getInstance("DOM");

 *   SignatureProperties properties =

 *      factory.newSignatureProperties(props, "signature-properties-1");

 * </pre>

 *

 * @author Sean Mullan

 * @author JSR 105 Expert Group

 * @since 1.6

 * @see XMLSignatureFactory#newSignatureProperties(List, String)

 * @see SignatureProperty

 */

public interface SignatureProperties extends XMLStructure {

    /**

     * URI that identifies the <code>SignatureProperties</code> element (this

     * can be specified as the value of the <code>type</code> parameter of the

     * {@link Reference} class to identify the referent's type).

     */

    final static String TYPE =

        "http://www.w3.org/2000/09/xmldsig#SignatureProperties";

    /**

     * Returns the Id of this <code>SignatureProperties</code>.

     *

     * @return the Id of this <code>SignatureProperties</code> (or

     *    <code>null</code> if not specified)

     */

    String getId();

    /**

     * Returns an {@link java.util.Collections#unmodifiableList unmodifiable

     * list} of one or more {@link SignatureProperty}s that are contained in

     * this <code>SignatureProperties</code>.

     *

     * @return an unmodifiable list of one or more

     *    <code>SignatureProperty</code>s

     */

}