/*

 * reserved comment block

 * DO NOT REMOVE OR ALTER!

 */

/**

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements. See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership. The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License. You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing,

 * software distributed under the License is distributed on an

 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

 * KIND, either express or implied. See the License for the

 * specific language governing permissions and limitations

 * under the License.

 */

package com.sun.org.apache.xml.internal.security.c14n.helper;

import org.w3c.dom.Attr;

/**

 * Temporary swapped static functions from the normalizer Section

 *

 */

public final class C14nHelper {

    /**

     * Constructor C14nHelper

     */

    private C14nHelper() {

        // don't allow instantiation

    }

    /**

     * Method namespaceIsRelative

     *

     * @param namespace

     * @return true if the given namespace is relative.

     */

    public static boolean namespaceIsRelative(Attr namespace) {

        return !namespaceIsAbsolute(namespace);

    }

    /**

     * Method namespaceIsRelative

     *

     * @param namespaceValue

     * @return true if the given namespace is relative.

     */

    public static boolean namespaceIsRelative(String namespaceValue) {

        return !namespaceIsAbsolute(namespaceValue);

    }

    /**

     * Method namespaceIsAbsolute

     *

     * @param namespace

     * @return true if the given namespace is absolute.

     */

    public static boolean namespaceIsAbsolute(Attr namespace) {

        return namespaceIsAbsolute(namespace.getValue());

    }

    /**

     * Method namespaceIsAbsolute

     *

     * @param namespaceValue

     * @return true if the given namespace is absolute.

     */

    public static boolean namespaceIsAbsolute(String namespaceValue) {

        // assume empty namespaces are absolute

        if (namespaceValue.length() == 0) {

            return true;

        }

        return namespaceValue.indexOf(':') > 0;

    }

}