org.jboss.errai.databinding.client.api.converter.AbstractDateInputConverter.java Source code

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Here is the source code for org.jboss.errai.databinding.client.api.converter.AbstractDateInputConverter.java

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/**
 * Copyright (C) 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.jboss.errai.databinding.client.api.converter;

import java.util.Date;

import org.jboss.errai.databinding.client.api.Converter;

import com.google.gwt.core.client.JsDate;

/**
 *
 * @author Max Barkley <mbarkley@redhat.com>
 */
public abstract class AbstractDateInputConverter implements Converter<Date, String> {

    @Override
    public Class<Date> getModelType() {
        return Date.class;
    }

    @Override
    public Class<String> getComponentType() {
        return String.class;
    }

    @Override
    public Date toModelValue(final String widgetValue) {
        if (widgetValue == null || "".equals(widgetValue)) {
            return null;
        }

        final Double time = JsDate.parse(widgetValue);
        return new Date(time.longValue());
    }

    protected static native String toISOString(final JsDate jsDate) /*-{
                                                                    return jsDate.toISOString();
                                                                    }-*/;

    protected static JsDate toJsDate(final Date date) {
        final Long time = date.getTime();
        return JsDate.create(time.doubleValue());
    }

    protected static String toISOString(final Date modelValue) {
        final JsDate jsDate = toJsDate(modelValue);
        final String iso = toISOString(jsDate);
        return iso;
    }

}