get Namespace Name from Element - Android XML

Android examples for XML:Namespace

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Description

get Namespace Name from Element

Demo Code

/*// w  ww .  j av  a  2  s .c o  m
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//package com.java2s;
import javax.xml.namespace.QName;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    private static QName getNSName(Element e, String qname) {
        if (qname == null) {
            return null;
        }
        int i = qname.indexOf(':');
        if (i > 0) {
            String name = qname.substring(i + 1);
            String prefix = qname.substring(0, i);
            return new QName(getNamespaceURI(e, prefix), name);
        } else {
            return new QName(qname);
        }
    }

    public static String getNamespaceURI(Element el, String prefix) {
        if ((prefix == null) || (prefix.length() < 1)) {
            return "";
        }
        prefix = prefix.trim();
        try {
            NamedNodeMap map = el.getOwnerDocument().getDocumentElement()
                    .getAttributes();
            for (int j = 0; j < map.getLength(); j++) {
                Node n = map.item(j);
                String attrName = ((Attr) n).getName();
                if (attrName != null) {
                    if (attrName.trim().equals("xmlns:" + prefix)) {
                        return ((Attr) n).getValue();
                    }
                }
            }
        } catch (Exception e) {
        }

        return "";
    }
}

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