001 package com.javaworld.JavaBeans.XMLBeans;
002 
003 
004 import org.w3c.dom.*;
005 import java.lang.reflect.*;
006 
007 /**
008  * Static utility functions to ease dealing with DOM classes.
009  */
010 public class Util {
011 /**
012  * Util constructor comment.
013  */
014 public Util() {
015 	super();
016 }
017 /**
018  * Capitalize the first letter of a word.
019  * @param s java.lang.String
020  */
021 public static String capitalize(String s) {
022 	char chars[] = s.toCharArray();
023 	chars[0] = Character.toUpperCase(chars[0]);
024 	return new String(chars);
025 }
026 /**
027  * Return the first "interesting" child node. An "interesting" node is
028  * either a text node that contains something besides white space, or
029  * anything else other than a comment. Return null if children are all
030  * boring (that is, not interesting.)
031  * @return org.w3c.dom.Node
032  * @param node org.w3c.dom.Node
033  */
034 public static Node getFirstInterestingChild(Node node) {
035 	NodeList nl = node.getChildNodes();
036 	int i;
037 	for (i = 0; i < nl.getLength(); i++) {
038 		Node n = nl.item(i);
039 
040 		// If it's a comment, skip
041 		if (n instanceof Comment) {
042 			continue;
043 		}
044 
045 		// If it's Text, but contains only white space, skip
046 		if (n instanceof Text) {
047 			String text = ((Text) n).getData();
048 			if (text.trim().equals("")) {
049 				continue;
050 			}
051 		}
052 		return n;
053 	}
054 	return null;
055 }
056 /**
057  * Return the method with the given signature, or null if it doesn't
058  * exist. This method simply catches and ignores NoSuchMethodException.
059  * @return java.lang.reflect.Method
060  * @param c java.lang.Class
061  * @param name java.lang.String
062  */
063 public static Method getMethodByName(Class c, String name, Class[] args) {
064 	Method mResult = null;
065 	try {
066 		mResult = c.getMethod(name, args);
067 	} catch (NoSuchMethodException ex) {
068 		; // Ignore
069 	}
070 	return mResult;
071 }
072 }