/*
* Copyright 2008-2017 the original author or authors.
*
* 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 griffon.core.editors;
import griffon.core.formatters.DateFormatter;
import griffon.core.formatters.Formatter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import static griffon.util.GriffonNameUtils.isBlank;
/**
* @author Andres Almiray
* @since 2.0.0
*/
public class DatePropertyEditor extends AbstractPropertyEditor {
protected void setValueInternal(Object value) {
if (null == value) {
super.setValueInternal(null);
} else if (value instanceof CharSequence) {
handleAsString(String.valueOf(value));
} else if (value instanceof Date) {
super.setValueInternal(value);
} else if (value instanceof Calendar) {
super.setValueInternal(((Calendar) value).getTime());
} else if (value instanceof Number) {
super.setValueInternal(new Date(((Number) value).longValue()));
} else {
throw illegalValue(value, Date.class);
}
}
protected void handleAsString(String str) {
if (isBlank(str)) {
super.setValueInternal(null);
return;
}
try {
super.setValueInternal(new Date(Long.parseLong(str)));
return;
} catch (NumberFormatException nfe) {
// ignore, let's try parsing the date in a locale specific format
}
try {
super.setValueInternal(new SimpleDateFormat().parse(str));
} catch (ParseException e) {
throw illegalValue(str, Date.class, e);
}
}
protected Formatter<Date> resolveFormatter() {
return isBlank(getFormat()) ? null : new DateFormatter(getFormat());
}
}