Here you can find the source of parseAttributes(Node n)
public static Properties parseAttributes(Node n)
//package com.java2s; //License from project: Apache License import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import java.util.Properties; public class Main { public static Properties parseAttributes(Node n) { return parseAttributes(n, null); }// www . j av a 2 s .c o m public static Properties parseAttributes(Node n, Properties variables) { Properties attributes = new Properties(); NamedNodeMap attributeNodes = n.getAttributes(); for (int i = 0; i < attributeNodes.getLength(); i++) { Node attribute = attributeNodes.item(i); String value = parsePropertyTokens(attribute.getNodeValue(), variables); attributes.put(attribute.getNodeName(), value); } return attributes; } public static String parsePropertyTokens(String string, Properties variables) { final String OPEN = "${"; final String CLOSE = "}"; String newString = string; if (newString != null && variables != null) { int start = newString.indexOf(OPEN); int end = newString.indexOf(CLOSE); while (start > -1 && end > start) { String prepend = newString.substring(0, start); String append = newString.substring(end + CLOSE.length()); String propName = newString.substring(start + OPEN.length(), end); String propValue = variables.getProperty(propName); if (propValue == null) { newString = prepend + propName + append; } else { newString = prepend + propValue + append; } start = newString.indexOf(OPEN); end = newString.indexOf(CLOSE); } } return newString; } }