org.eclipse.osbp.xtext.entitymock.common/src/org/eclipse/osbp/xtext/entitymock/common/filler/BaseProvider.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * All rights reserved. This program and the accompanying materials           
 * are made available under the terms of the Eclipse Public License v1.0       
 * which accompanies this distribution, and is available at                  
 * http://www.eclipse.org/legal/epl-v10.html                                 
 *                                                                            
 * Contributors:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
package org.eclipse.osbp.xtext.entitymock.common.filler;

import java.util.Random;

public class BaseProvider {

	private final Random fRandom;

	public BaseProvider() {
		fRandom = new Random();
	}
	
	public boolean trueOrFalse() {
		return fRandom.nextBoolean();
	}

	public int randomBetween(int min, int max) {
		int range = max - min + 1;
		int randomInt = range > 0 ? fRandom.nextInt(range) : 0;
		return min + randomInt;
	}

	public long randomBetween(long min, long max) {
		long range = (max - min) + 1;
		return min + (long) (fRandom.nextDouble() * range);
	}

	public double randomBetween(double min, double max) {
		double range = max - min;
		double randomDouble = range > 0 ? fRandom.nextDouble() * range : 0;
		return min + randomDouble;
	}

	public String numerify(String numberString) {
		StringBuilder result = new StringBuilder();
		for	(int i=0; i < numberString.length(); i++) {
			if	(numberString.charAt(i) == '#') {
				result.append(Character.forDigit(randomBetween(0, 9), 10));
			}
			else {
				result.append(numberString.charAt(i));
			}
		}
		return result.toString();
	}
}