package com.javaworld.JavaBeans.XMLBeans;


import org.w3c.dom.*;
import java.lang.reflect.*;

/**
 * Static utility functions to ease dealing with DOM classes.
 */
public class Util {
/**
 * Util constructor comment.
 */
public Util() {
	super();
}
/**
 * Capitalize the first letter of a word.
 * @param s java.lang.String
 */
public static String capitalize(String s) {
	char chars[] = s.toCharArray();
	chars[0] = Character.toUpperCase(chars[0]);
	return new String(chars);
}
/**
 * Return the first "interesting" child node. An "interesting" node is
 * either a text node that contains something besides white space, or
 * anything else other than a comment. Return null if children are all
 * boring (that is, not interesting.)
 * @return org.w3c.dom.Node
 * @param node org.w3c.dom.Node
 */
public static Node getFirstInterestingChild(Node node) {
	NodeList nl = node.getChildNodes();
	int i;
	for (i = 0; i < nl.getLength(); i++) {
		Node n = nl.item(i);

		// If it's a comment, skip
		if (n instanceof Comment) {
			continue;
		}

		// If it's Text, but contains only white space, skip
		if (n instanceof Text) {
			String text = ((Text) n).getData();
			if (text.trim().equals("")) {
				continue;
			}
		}
		return n;
	}
	return null;
}
/**
 * Return the method with the given signature, or null if it doesn't
 * exist. This method simply catches and ignores NoSuchMethodException.
 * @return java.lang.reflect.Method
 * @param c java.lang.Class
 * @param name java.lang.String
 */
public static Method getMethodByName(Class c, String name, Class[] args) {
	Method mResult = null;
	try {
		mResult = c.getMethod(name, args);
	} catch (NoSuchMethodException ex) {
		; // Ignore
	}
	return mResult;
}
}