package com.robotium.solo;
import java.util.Random;
public class RandomUtils {
private static final String LETTER_CHAR = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
private static final String NUMBER_CHAR = "0123456789";
private static final String REGULAR_CHAR = "^$()[]{}.+?*/|\\";
private static final String ALL_CHAR = LETTER_CHAR + NUMBER_CHAR + REGULAR_CHAR;
private static final String ALL_CHAR_NOT_SYMBOL = LETTER_CHAR + NUMBER_CHAR;
static String getRandomPhone(){
StringBuilder sb = new StringBuilder();
Random random = new Random();
sb.append("138");
for (int i = 0; i < 8; i++) {
sb.append(NUMBER_CHAR.charAt(random.nextInt(NUMBER_CHAR.length() - 1)));
}
return sb.toString();
}
static String getRandomNumber(int length){
if (length <= 0) return NUMBER_CHAR;
StringBuilder sb = new StringBuilder();
Random random = new Random();
for (int i = 0; i < length; i++) {
sb.append(NUMBER_CHAR.charAt(random.nextInt(NUMBER_CHAR.length() - 1)));
}
return sb.toString();
}
static String getRandomText(int length){
if (length <= 0) length = 10;
if (length >= 200) length = 200;
StringBuilder sb = new StringBuilder();
Random random = new Random();
for (int i = 0; i < length; i++) {
sb.append(ALL_CHAR.charAt(random.nextInt(ALL_CHAR.length() - 1)));
}
return sb.toString();
}
static String getRandomEmail(int length){
if (length < 5) return "";
StringBuilder sb = new StringBuilder();
Random random = new Random();
for (int i = 0; i < length - 2; i++) {
sb.append(ALL_CHAR_NOT_SYMBOL.charAt(random.nextInt(ALL_CHAR_NOT_SYMBOL.length() - 1)));
}
sb.insert((length - 2) / 3, "@");
sb.insert((length - 2) / 3 * 2 + 1, ".");
return sb.toString();
}
static String getRandomUrl(int length){
if (length < 10) return "https://www.baidu.com/";
StringBuilder sb = new StringBuilder();
Random random = new Random();
sb.append("http://");
for (int i = 0; i < length - 7; i++) {
sb.append(ALL_CHAR_NOT_SYMBOL.charAt(random.nextInt(ALL_CHAR_NOT_SYMBOL.length() - 1)));
}
sb.insert(length - 2, ".");
return sb.toString();
}
public static void main(String[] args) {
// TODO Auto-generated method stub
for (int i=0;i <10000;i++){
System.out.println(getRandomNumber(2));
}
}
}