Java XML Node Namespace getNamespace(String prefix, Node e)

Description

get Namespace

License

Apache License

Declaration

public static String getNamespace(String prefix, Node e) 

Method Source Code

//package com.java2s;
/*/*from ww  w. j av a 2s  . co m*/
 * Copyright 1999-2006 University of Chicago
 * 
 * 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 org.w3c.dom.Attr;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

public class Main {
    public static final String NS_URI_XMLNS = "http://www.w3.org/2000/xmlns/";

    public static String getNamespace(String prefix, Node e, Node stopNode) {
        while (e != null && (e.getNodeType() == Node.ELEMENT_NODE)) {
            Attr attr = null;
            if (prefix == null) {
                attr = ((Element) e).getAttributeNode("xmlns");
            } else {
                attr = ((Element) e).getAttributeNodeNS(NS_URI_XMLNS, prefix);
            }
            if (attr != null)
                return attr.getValue();
            if (e == stopNode)
                return null;
            e = e.getParentNode();
        }
        return null;
    }

    public static String getNamespace(String prefix, Node e) {
        return getNamespace(prefix, e, null);
    }
}

Related

1. convertFromNamespaceForm(final Node node)
2. copyNamespaces(Node source, Node target)
3. getNamespace(Node node)
4. getNamespace(Node node)
5. getNamespaceDeclarations(Node node)
6. getNamespaceMappings(Node node)
7. getNamespaces(Node node, Map list)
8. getNamespaceURI(@Nullable final Node aNode)