com.google.gwt.text.client.DateTimeFormatRenderer Maven / Gradle / Ivy
/*
* Copyright 2010 Google Inc.
*
* 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 com.google.gwt.text.client;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.TimeZone;
import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat;
import com.google.gwt.text.shared.AbstractRenderer;
import java.util.Date;
/**
* Renders {@link Date} objects with a {@link DateTimeFormat}.
*/
public class DateTimeFormatRenderer extends AbstractRenderer {
private final DateTimeFormat format;
private final TimeZone timeZone;
/**
* Create an instance using {@link PredefinedFormat#DATE_SHORT}.
*/
public DateTimeFormatRenderer() {
this(DateTimeFormat.getFormat(PredefinedFormat.DATE_SHORT));
}
/**
* Create an instance with the given format and the default time zone.
*/
public DateTimeFormatRenderer(DateTimeFormat format) {
this(format, null);
}
/**
* Create an instance with the given format and time zone.
*/
public DateTimeFormatRenderer(DateTimeFormat format, TimeZone timeZone) {
assert format != null;
this.format = format;
this.timeZone = timeZone;
}
public String render(Date object) {
if (object == null) {
return "";
}
return timeZone == null ? format.format(object) : format.format(object,
timeZone);
}
}