com.openpojo.random.service.impl.RandomGeneratorAdapter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of openpojo Show documentation

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.

There is a newer version: 0.7.3

Show newest version

/*
 * 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.random.service.impl;

import java.util.Collection;

import com.openpojo.log.utils.MessageFormatter;
import com.openpojo.random.RandomGenerator;
import com.openpojo.random.exception.RandomGeneratorException;

/**
 * @author oshoukry
 *
 */
public final class RandomGeneratorAdapter implements RandomGenerator {

    private final Class fromType;
    private final Class toType;
    private final RandomGenerator adaptedRandomGenerator;

    public RandomGeneratorAdapter(final Class fromType, final Class toType,
            final RandomGenerator adaptedRandomGenerator) {
        this.fromType = fromType;
        this.toType = toType;
        this.adaptedRandomGenerator = adaptedRandomGenerator;
    }

    public Collection> getTypes() {
        throw RandomGeneratorException.getInstance(MessageFormatter.format("Illegal use of RandomGeneratorAdapter([{0}] to [{1}]",
                                                                           fromType, toType));
    }

    public Object doGenerate(final Class type) {
        if (type == fromType) {
            return adaptedRandomGenerator.doGenerate(toType);
        }
        throw RandomGeneratorException.getInstance(MessageFormatter.format("Unsupported type requested [{0}]", type));
    }
}