Java XML Node Namespace getNamespace(Node node)

Description

get Namespace

License

Open Source License

Declaration

public static String getNamespace(Node node) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.HashMap;

import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    public static String getNamespace(Node node) {
        Element root = node.getOwnerDocument().getDocumentElement();
        HashMap<String, String> namespaces = getAllAttributes(root);
        String prefix = getPrefix(node.getNodeName());

        if (prefix == null)
            return namespaces.get("xmlns");

        return namespaces.get("xmlns:" + prefix);
    }/*w  ww . j av a2  s  .c o m*/

    public static HashMap<String, String> getAllAttributes(Node node) {
        HashMap<String, String> attributes = new HashMap<String, String>();
        NamedNodeMap attr = node.getAttributes();
        for (int j = 0; j < attr.getLength(); j++) {
            attributes.put(attr.item(j).getNodeName(), attr.item(j).getNodeValue());
        }
        return attributes;
    }

    public static String getPrefix(String value) {
        try {
            return value.substring(0, value.indexOf(":"));
        } catch (Exception e) {
        }
        return null;
    }
}

Related

1. convertFromNamespaceForm(final Node node)
2. copyNamespaces(Node source, Node target)
3. getNamespace(Node node)
4. getNamespace(String prefix, Node e)
5. getNamespaceDeclarations(Node node)
6. getNamespaceMappings(Node node)