/*

 * 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.

 */

package com.sun.xml.internal.ws.policy.sourcemodel.wspolicy;

/**

 *

 * @author Marek Potociar (marek.potociar at sun.com)

 */

public enum XmlToken {

    Policy("Policy", true),

    ExactlyOne("ExactlyOne", true),

    All("All", true),

    PolicyReference("PolicyReference", true),

    UsingPolicy("UsingPolicy", true),

    Name("Name", false),

    Optional("Optional", false),

    Ignorable("Ignorable", false),

    PolicyUris("PolicyURIs", false),

    Uri("URI", false),

    Digest("Digest", false),

    DigestAlgorithm("DigestAlgorithm", false),

    UNKNOWN("", true);

    /**

     * Resolves URI represented as a String into an enumeration value. If the URI

     * doesn't represent any existing enumeration value, method returns {@code null}

     *

     * @param uri

     * @return Enumeration value that represents given URI or {@code null} if

     * no enumeration value exists for given URI.

     */

    public static XmlToken resolveToken(String name) {

        for (XmlToken token : XmlToken.values()) {

            if (token.toString().equals(name)) {

                return token;

            }

        }

        return UNKNOWN;

    }

    private String tokenName;

    private boolean element;

    private XmlToken(final String name, boolean element) {

        this.tokenName = name;

        this.element = element;

    }

    public boolean isElement() {

        return element;

    }

    @Override

    public String toString() {

        return tokenName;

    }

}