/*
 * Copyright (c) 2011, Lukas Gross
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of the jo-widgets.org nor the
 *   names of its contributors may be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

package org.jowidgets.addons.testtool.internal.persister;

import java.io.File;
import java.util.List;

import javax.xml.bind.JAXB;

import org.jowidgets.addons.testtool.internal.TestDataObject;
import org.jowidgets.addons.testtool.internal.UserTestData;

public class TestDataXmlPersister implements ITestDataPersister {

    private static final String DEFAULT_FILEPATH = File.separator + "resources" + File.separator + "testtool";
    private static final String FILE_EXTENSION = ".xml";
    private final String filePath;

    public TestDataXmlPersister(final String filePath) {
        if (filePath.isEmpty()) {
            this.filePath = DEFAULT_FILEPATH;
        }
        else {
            this.filePath = filePath;
        }
    }

    @Override
    public List<TestDataObject> load(final String fileName) {
        final File file = new File(getDirectory() + File.separator + fileName + FILE_EXTENSION);
        if (file.exists()) {
            final UserTestData result = JAXB.unmarshal(file, UserTestData.class);
            return result.getTestData();
        }
        else {
            return null;
        }
    }

    @Override
    public void save(final List<TestDataObject> list, final String fileName) {
        final UserTestData userTestData = new UserTestData();
        userTestData.addTestData(list);
        JAXB.marshal(userTestData, new File(getDirectory() + File.separator + fileName + FILE_EXTENSION));
        userTestData.removeTestData(list);
    }

    private File getDirectory() {
        final File dir = new File(System.getProperty("user.dir") + filePath);
        if (!dir.exists()) {
            if (!dir.mkdirs()) {
                throw new RuntimeException("Couldn't create directory for user tests!");
            }
        }
        return dir;
    }
}