1 /*

     2  * reserved comment block

     3  * DO NOT REMOVE OR ALTER!

     4  */

     5 /**

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

     7  * or more contributor license agreements. See the NOTICE file

     8  * distributed with this work for additional information

     9  * regarding copyright ownership. The ASF licenses this file

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

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

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

    13  *

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

    15  *

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

    17  * software distributed under the License is distributed on an

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

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

    20  * specific language governing permissions and limitations

    21  * under the License.

    22  */

    23 package org.jcp.xml.dsig.internal.dom;

    24 

    25 import javax.xml.crypto.XMLStructure;

    26 

    27 import org.w3c.dom.Node;

    28 

    29 public abstract class BaseStructure implements XMLStructure {

    30 

    31     /**

    32      * Just return the text of the immediate child of a node.

    33      *

    34      * @param node

    35      * @return the text of a Node

    36      */

    37     public static String textOfNode(Node node) {

    38         return node.getFirstChild().getNodeValue();

    39     }

    40 

    41     public final boolean isFeatureSupported(String feature) {

    42         if (feature == null) {

    43             throw new NullPointerException();

    44         } else {

    45             return false;

    46         }

    47     }

    48 

    49 }