toxgene.util.cdata.xmark.Provinces Maven / Gradle / Ivy

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package toxgene.util.cdata.xmark;

import java.util.Random;

import toxgene.interfaces.ToXgeneCdataGenerator;

/**
 * This class implements a simple CDATA generator that produces random
 * province names according to the rules specified by the
 * XMark benchmark.
 * 


 * This code is provided as part of ToXgene - (c) 2001 University of Toronto
 * and IBM Corporation.
 *
 * @author Denilson Barbosa
 * @version 1.0
 */
public class Provinces implements ToXgeneCdataGenerator{
	private static Random pick;
	private static String result;

	/**
	 * Specifies a seed for the random generator so that repeated
	 * executions always produce the same content, if the same seed is
	 * provided.
	 *
	 * @param seed random seed to initialize the random generator
	 */
	public void setRandomSeed(int seed){
		pick = new Random(seed);
	}
	
	/**
	 * Generates random text whose length is determined by the parameter
	 * length. A value of -1 determines that a string of any length can
	 * be returned; a positive value means that a string must be
	 * truncated if necessary.
	 *
	 * @param length specifies the length of the CDATA value to be returned.
	 */
	public String getCdata(int length){
		result = data[pick.nextInt(len)];

		//length == -1 means that the string should not be trimmed
		if (length == -1){
			return result;
		}

		if (result.length() > length)
			return result.substring(0,length);
		else
			return result;
	}

	/**
	 * These are the actual strings. We can declare this array here
	 * explicitly because there are not too many contants.
	 */
	public final static String[] data={
    "Alabama","Alaska","Arizona","Arkansas","California","Colorado",
    "Connecticut","Delaware","District Of Columbia","Florida","Georgia",
    "Hawaii","Idaho","Illinois","Indiana","Iowa","Kansas","Kentucky",
    "Louisiana","Maine","Maryland","Massachusetts","Michigan","Minnesota",
    "Mississipi","Missouri","Montana","Nebraska","Nevada","New Hampshire",
    "New Jersey","New Mexico","New York","North Carolina","North Dakota",
    "Ohio","Oklahoma","Oregon","Pennsylvania","Rhode Island",
    "South Carolina","South Dakota","Tennessee","Texas","Utah","Vermont",
    "Virginia","Washington","West Virginia","Wisconsin","Wyoming"
	};
	public final static int len = data.length;
}