Android XML Namespace Set registerNamespace(Document d, String targetNamespace)

Description

register Namespace

License

Open Source License

Declaration

public static void registerNamespace(Document d, String targetNamespace) 

Method Source Code

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

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

public class Main {
    public static void registerNamespace(Document d, String targetNamespace) {

        if (targetNamespace == null || targetNamespace.length() == 0)
            return;

        Element e = d.getDocumentElement();
        int i = 0;
        NamedNodeMap map = e.getAttributes();

        String prefix = "ns" + String.valueOf(map.getLength());

        int n = map.getLength();
        for (i = 0; i < n; i++) {
            /*Node node = map.item(i);
            if(node.getNodeType()!=Node.ATTRIBUTE_NODE)
               continue;*///  w w w  .  j a v a 2  s  . com
            Attr attr = (Attr) map.item(i);
            String nsUri = attr.getNamespaceURI();
            if (nsUri == null)
                continue;
            if (nsUri.equals("http://www.w3.org/2000/xmlns/")) {
                if (targetNamespace.equals(attr.getValue()))
                    return;
            }
        }

        Attr atr = d.createAttributeNS("http://www.w3.org/2000/xmlns/",
                "xmlns:" + prefix);
        atr.setValue(targetNamespace);

        e.setAttributeNode(atr);
    }
}