Java XML Node Namespace getNamespaceURI(@Nullable final Node aNode)

Description

get Namespace URI

License

Apache License

Declaration

@Nullable
    public static String getNamespaceURI(@Nullable final Node aNode) 

Method Source Code

//package com.java2s;
/**//ww w .  j  ava2  s  .c o m
 * Copyright (C) 2014-2015 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * Licensed 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.
 */

import javax.annotation.Nullable;

import org.w3c.dom.Document;

import org.w3c.dom.Node;

public class Main {
    @Nullable
    public static String getNamespaceURI(@Nullable final Node aNode) {
        if (aNode instanceof Document)
            return getNamespaceURI(((Document) aNode).getDocumentElement());
        if (aNode != null)
            return aNode.getNamespaceURI();
        return null;
    }
}

Related

1. getNamespace(Node node)
2. getNamespace(String prefix, Node e)
3. getNamespaceDeclarations(Node node)
4. getNamespaceMappings(Node node)
5. getNamespaces(Node node, Map list)
6. getNamespaceURI(final org.w3c.dom.Node n, final String prefix)
7. getNamespaceURI(Node node)
8. getNamespaceUri(Node node)
9. getNamespaceURI(Node node)