[Jtidy-user] [Help] someNode.appendChild(attr) broken?

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The following forum message was posted by Anonymous at http://sourceforge.net/projects/jtidy/forums/forum/41437/topic/3787602:

When I attempt to append a new attribute node onto a specific node, I get a null pointer exception from within jtidy -- Am I not initializing something or is there a bug? Here is my code:


private void addTarget_blank(Document doc){
	NodeList list = doc.getElementsByTagName(\"a\");
	for(int i=0; i<list.getLength(); i++){
		NamedNodeMap map = list.item(i).getAttributes();
		for (int j = 0; j < map.getLength(); j++) {
			if(map.getNamedItem(\"target\") == null){
				Attr attr = doc.createAttribute(\"target\");
				attr.setNodeValue(\"_blank\");
				attr.setValue(\"_blank\");	
				list.item(i).appendChild(attr);
			}
		}
	}
}