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This project was born out of a need to validate all POJOs (Plain Old Java Object) are behaving correctly. This project has two main aspects to it: * Make Testing as easy as possible. * Simplifying identity management (hashCode / equals) using annotation.

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/*
 * Copyright (c) 2010-2013 Osman Shoukry
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU Lesser General Public License as published by
 *    the Free Software Foundation, either version 3 of the License or any
 *    later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public License
 *    along with this program.  If not, see .
 */

package com.openpojo.validation.affirm;

import com.openpojo.business.BusinessIdentity;
import com.openpojo.log.utils.MessageFormatter;

/**
 * @author oshoukry
 */
public class JavaAssertionAffirmation implements Affirmation {

    private JavaAssertionAffirmation() {
    }

    public void fail(final String message) {
        throw new AssertionError(message == null ? "" : message);
    }

    public void affirmTrue(final String message, final boolean condition) {
        if (!condition) {
            fail(message);
        }
    }

    public void affirmFalse(final String message, final boolean condition) {
        if (condition) {
            fail(message);
        }
    }

    public void affirmNotNull(final String message, final Object object) {
        if (object == null) {
            fail(message);
        }
    }

    public void affirmNull(final String message, final Object object) {
        if (object != null) {
            fail(message);
        }
    }

    public void affirmEquals(final String message, final Object first, final Object second) {
        if (first == null && second == null) {
            return;
        }
        if (first != null && first.equals(second)) {
            return;
        }
        fail(MessageFormatter.format("{0} expected <{1}> but was <{2}>", message, first, second));
    }

    @Override
    public String toString() {
        return BusinessIdentity.toString(this);
    }

}