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package org.glassfish.jersey.tests.performance.tools;
import java.util.Random;
/**
* Implementation of {@link org.glassfish.jersey.tests.performance.tools.TestValueGenerator} producing random results.
*
* @author Adam Lindenthal (adam.lindenthal at oracle.com)
*/
public class RandomTestValueGenerator extends TestValueGenerator {
private static final int MAX_STRING_LENGTH = 50;
private static final Random random = new Random();
private static final String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890 _";
/**
* {@inheritDoc}
*/
@Override
public <T> T getEnum(Class<T> enumType) {
T[] enumValues = enumType.getEnumConstants();
return enumValues[random.nextInt(enumValues.length)];
}
/**
* {@inheritDoc}
*/
@Override
public int getInt() {
return random.nextInt();
}
/**
* {@inheritDoc}
*/
@Override
public char getChar() {
return (char) random.nextInt(Character.MAX_VALUE + 1);
}
/**
* {@inheritDoc}
*/
@Override
public String getString() {
return randomString(random.nextInt(MAX_STRING_LENGTH));
}
/**
* {@inheritDoc}
*/
@Override
public long getLong() {
return random.nextLong();
}
/**
* {@inheritDoc}
*/
@Override
public float getFloat() {
return random.nextFloat();
}
/**
* {@inheritDoc}
*/
@Override
public double getDouble() {
return random.nextDouble();
}
/**
* {@inheritDoc}
*/
@Override
public byte getByte() {
return (byte) random.nextInt(Byte.MAX_VALUE + 1);
}
/**
* {@inheritDoc}
*/
@Override
public short getShort() {
return (short) random.nextInt(Short.MAX_VALUE + 1);
}
/**
* {@inheritDoc}
*/
@Override
public boolean getBoolean() {
return random.nextBoolean();
}
private String randomString(int length) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < length; i++) {
sb.append(characters.charAt(random.nextInt(characters.length())));
}
return sb.toString();
}
}