/*

 * 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

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

 *

 * 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.

 *

 */

package javax.print.attribute;

import java.io.Serializable;

/**

 * Class HashDocAttributeSet provides an attribute set which

 * inherits its implementation from class {@link HashAttributeSet

 * HashAttributeSet} and enforces the semantic restrictions of interface {@link

 * DocAttributeSet DocAttributeSet}.

 * <P>

 *

 * @author  Alan Kaminsky

 */

public class HashDocAttributeSet extends HashAttributeSet

    implements DocAttributeSet, Serializable {

    private static final long serialVersionUID = -1128534486061432528L;

    /**

     * Construct a new, empty hash doc attribute set.

     */

    public HashDocAttributeSet() {

        super (DocAttribute.class);

    }

    /**

     * Construct a new hash doc attribute set,

     * initially populated with the given value.

     *

     * @param  attribute  Attribute value to add to the set.

     *

     * @exception  NullPointerException

     *     (unchecked exception) Thrown if <CODE>attribute</CODE> is null.

     */

    public HashDocAttributeSet(DocAttribute attribute) {

        super (attribute, DocAttribute.class);

    }

    /**

     * Construct a new hash doc attribute set,

     * initially populated with the values from the given array.

     * The new attribute set is populated by

     * adding the elements of <CODE>attributes</CODE> array to the set in

     * sequence, starting at index 0. Thus, later array elements may replace

     * earlier array elements if the array contains duplicate attribute

     * values or attribute categories.

     *

     * @param  attributes  Array of attribute values to add to the set.

     *                     If null, an empty attribute set is constructed.

     *

     * @exception  NullPointerException

     *  (unchecked exception)

     * Thrown if any element of <CODE>attributes</CODE> is null.

     */

    public HashDocAttributeSet(DocAttribute[] attributes) {

        super (attributes, DocAttribute.class);

    }

    /**

     * Construct a new attribute set, initially populated with the

     * values from the  given set where the members of the attribute set

     * are restricted to the <code>DocAttribute</code> interface.

     *

     * @param  attributes set of attribute values to initialise the set. If

     *                    null, an empty attribute set is constructed.

     *

     * @exception  ClassCastException

     *     (unchecked exception) Thrown if any element of

     * <CODE>attributes</CODE> is not an instance of

     * <CODE>DocAttribute</CODE>.

     */

    public HashDocAttributeSet(DocAttributeSet attributes) {

        super(attributes, DocAttribute.class);

    }

}