org.key2gym.client.util.DateMidnightToStringConverter.java Source code

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Here is the source code for org.key2gym.client.util.DateMidnightToStringConverter.java

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/*
 * Copyright 2012-2013 Danylo Vashchilenko
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.key2gym.client.util;

import java.text.MessageFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ResourceBundle;

import org.jdesktop.beansbinding.Converter;
import org.joda.time.DateMidnight;
import org.key2gym.business.api.ValidationException;

/**
 *
 * @author Danylo Vashchilenko
 */
public class DateMidnightToStringConverter extends Converter<DateMidnight, String> {

    private String format;
    private String fieldName;

    private ResourceBundle strings = ResourceBundle.getBundle("org/key2gym/client/resources/Strings");

    public DateMidnightToStringConverter(String fieldName, String format) {
        this.format = format;
        this.fieldName = fieldName;
    }

    @Override
    public String convertForward(DateMidnight value) {
        return value.toString(format);
    }

    @Override
    public DateMidnight convertReverse(String value) {
        value = value.trim();
        if (value.isEmpty())
            return null;

        try {
            return new DateMidnight(new SimpleDateFormat(format).parse(value));
        } catch (ParseException ex) {
            throw new IllegalArgumentException(new ValidationException(
                    MessageFormat.format(strings.getString("Message.FieldIsNotFilledInCorrectly.withFieldName"),
                            new Object[] { fieldName })));
        }
    }
}