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Supports unit testing by dynamically creating bean objects and populating their fields to default values.

There is a newer version: 2.7-RELEASE

/*******************************************************************************
 *  * Copyright (c) 2015 Greg Marut.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Greg Marut - initial API and implementation
 * 
 ******************************************************************************/
package com.gregmarut.support.beangenerator.rule;

import java.lang.reflect.Field;

import com.gregmarut.support.beangenerator.rule.condition.Condition;
import com.gregmarut.support.beangenerator.value.StaticValue;
import com.gregmarut.support.beangenerator.value.Value;
import com.gregmarut.support.util.ClassConversionUtil;

/**
 * Contains the base class for determining a Rule
 * 
 * @author Greg Marut
 */
public class Rule implements Condition
{
	// holds the condition for this rule
	private final Condition condition;
	
	// holds the value for this rule
	private final Value value;
	
	@SuppressWarnings("unchecked")
	public Rule(final Condition condition, final V value)
	{
		// make sure the condition is not null
		if (null == condition)
		{
			throw new IllegalArgumentException("condition cannot be null");
		}
		
		// make sure the value is not null
		if (null == value)
		{
			throw new IllegalArgumentException("value cannot be null");
		}
		
		this.condition = condition;
		this.value = new StaticValue(value, (Class) value.getClass());
	}
	
	public Rule(final Condition condition, final Value value)
	{
		// make sure the condition is not null
		if (null == condition)
		{
			throw new IllegalArgumentException("condition cannot be null");
		}
		
		// make sure the value is not null
		if (null == value)
		{
			throw new IllegalArgumentException("value cannot be null");
		}
		
		this.condition = condition;
		this.value = value;
	}
	
	/**
	 * Holds the return type of the value for this rule
	 * 
	 * @return
	 */
	@SuppressWarnings("unchecked")
	public Class getReturnType()
	{
		return (Class) ClassConversionUtil.convertToNonPrimitive(value.getType());
	}
	
	/**
	 * Returns the value to return when this rule is matched
	 * 
	 * @return
	 */
	public Value getValue()
	{
		return value;
	}
	
	@Override
	public boolean isTrue(final Field field)
	{
		return condition.isTrue(field);
	}
}