org.eclipse.emf.emfstore.modelmutator/src/org/eclipse/emf/emfstore/modelmutator/intern/attribute/AttributeSetterEString.java

/*******************************************************************************
 * Copyright 2012 EclipseSource Muenchen GmbH.
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 ******************************************************************************/
package org.eclipse.emf.emfstore.modelmutator.intern.attribute;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Random;

/**
 * Class for creating random String values.
 * 
 * @author Eugen Neufeld
 * @author Stephan Köhler
 * @author Philip Achenbach
 * 
 * @see AttributeSetter
 */
public class AttributeSetterEString extends AttributeSetter<String> {

	/**
	 * Creates a new AttributeSetter for String attributes.
	 * 
	 * @param random
	 *            Random object used to create attribute values
	 */
	public AttributeSetterEString(Random random) {
		super(random);
	}

	/**
	 * {@inheritDoc}
	 */
	public String createNewAttribute() {
		if (getRandom().nextBoolean()) {
			return null;
		}
		StringBuffer string = new StringBuffer();
		string.delete(0, string.length());
		for (int j = -5; j < getRandom().nextInt(10); j++) {
			// string.append((char) (random.nextInt(94) + 33));
			// "Nicer" strings
			string.append((char) (getRandom().nextInt(75) + 48));
		}
		return string.toString();
	}

	/**
	 * {@inheritDoc}
	 */
	public Collection<String> createNewAttributes(int maxAmount) {
		List<String> result = new ArrayList<String>(maxAmount);
		for (int i = 0; i < maxAmount; i++) {
			result.add(createNewAttribute());
		}
		return result;
	}

}