miscfuncs.java

来自「用于从LDAP中读取目录及各人员的信息,ecpipse项目可直接运行」· Java 代码 · 共 71 行

/* @copyright module */
/*                                                                            */
/*  DISCLAIMER OF WARRANTIES:                                                 */
/*  -------------------------                                                 */
/*  The following [enclosed] code is sample code created by IBM Corporation.  */
/*  This sample code is provided to you solely for the purpose of assisting   */
/*  you in the development of your applications.                              */
/*  The code is provided "AS IS", without warranty of any kind. IBM shall     */
/*  not be liable for any damages arising out of your use of the sample code, */
/*  even if they have been advised of the possibility of such damages.        */
package com.ibm.util;


import java.util.Random;

public abstract class MiscFuncs {
	public static boolean bDebug = true;

	private static Random rand = new Random();

	public static final int getRandom(int range) {

		// Random integers that range from from 0 to range
		return rand.nextInt(range + 1);
	}

	/**
	 * Is a string empty?
	 * 
	 * @param str
	 * @return true if the string is empty. false o/w
	 */
	public static final boolean isStringEmpty(String str) {
		if ((null == str) || (0 == str.length())) {
			return true;
		}
		return false;
	}

	public static final String removeChar(String s, char c) {
		String r = "";
		if (!isStringEmpty(s)) {

			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) != c)
					r += s.charAt(i);
			}
		}
		return r;
	}

	/**
	 * String to int.
	 * 
	 * @param str -
	 *            Input string
	 * @return int value of string.
	 *  
	 */
	public static final int strToInt(String str) {
		int ret = -1;
		try {
			ret = Integer.parseInt(str);
		} catch (NumberFormatException e) {
		}
		return ret;
	}

}