Java XML Node Namespace hasNamespace(Node node, String prefix, String namespace)

Description

has Namespace

License

Open Source License

Declaration

public static boolean hasNamespace(Node node, String prefix, String namespace) 

Method Source Code

//package com.java2s;
/*/*w  w w .  j a  v  a  2s . c  o  m*/
 * Copyright (c) 1998-2013 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Nam Nguyen
 */

import org.w3c.dom.*;

public class Main {
    public static boolean hasNamespace(Node node, String prefix, String namespace) {
        if (namespace == null) {
            return true;
        }

        String attrName;

        if (prefix != null && prefix.length() > 0) {
            attrName = "xmlns:" + prefix;
        } else {
            attrName = "xmlns";
        }

        while (node != null) {
            NamedNodeMap attrMap = node.getAttributes();

            if (attrMap == null) {
                break;
            }

            Attr attr = (Attr) attrMap.getNamedItem(attrName);

            if (attr != null) {
                return attr.getNodeValue().equals(namespace);
            }

            node = node.getParentNode();
        }

        return false;
    }
}

Related

1. getNameSpaceUri(Node node, String content, String namespaceURI)
2. getNamespaceURI(Node node, String searchPrefix)
3. getNodeName(Node node, NamespaceContext namespaceContext)
4. getNodeString(Node node, NamespaceContext context)
5. hasDITANamespace(Node node)
6. hasNamespaceURI(@Nullable final Node aNode, @Nullable final String sNamespaceURI)
7. hasNamespaceURI(@Nullable final Node aNode, @Nullable final String sNamespaceURI)
8. isAppropriateElement(Node iNode, String iNodeName, String iNamespace)
9. isAppropriateElement(Node iNode, String iNodeName, String iNamespace)