/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.core.metamodel.facets.value.time;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.apache.isis.core.commons.config.ConfigurationConstants;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facets.value.ValueSemanticsProviderAbstractTemporal;
import org.apache.isis.core.metamodel.services.ServicesInjector;
public abstract class TimeValueSemanticsProviderAbstract<T> extends ValueSemanticsProviderAbstractTemporal<T> {
private static final Object DEFAULT_VALUE = null; // no default
private static final int TYPICAL_LENGTH = 8;
protected static void initFormats(final Map<String, DateFormat> formats) {
formats.put(ISO_ENCODING_FORMAT, createDateEncodingFormat("HHmmssSSS"));
formats.put("short", DateFormat.getTimeInstance(DateFormat.SHORT));
}
@SuppressWarnings("unchecked")
public TimeValueSemanticsProviderAbstract(final FacetHolder holder, final Class<T> adaptedClass, final ServicesInjector context) {
super("time", holder, adaptedClass, TYPICAL_LENGTH, Immutability.NOT_IMMUTABLE, EqualByContent.NOT_HONOURED, (T) DEFAULT_VALUE, context);
final String formatRequired = getConfiguration().getString(ConfigurationConstants.ROOT + "value.format.time");
if (formatRequired == null) {
format = formats().get(defaultFormat());
} else {
setMask(formatRequired);
}
}
// //////////////////////////////////////////////////////////////////
// DateValueFacet
// //////////////////////////////////////////////////////////////////
// //////////////////////////////////////////////////////////////////
// temporal-specific stuff
// //////////////////////////////////////////////////////////////////
@Override
protected void clearFields(final Calendar cal) {
cal.set(Calendar.YEAR, 1970);
cal.set(Calendar.MONTH, 0);
cal.set(Calendar.DAY_OF_MONTH, 1);
}
@Override
protected String defaultFormat() {
return "short";
}
@Override
public String toString() {
return "TimeValueSemanticsProvider: " + format;
}
@Override
protected DateFormat format() {
final Locale locale = Locale.getDefault();
final DateFormat dateFormat = DateFormat.getTimeInstance(DateFormat.SHORT, locale);
dateFormat.setTimeZone(UTC_TIME_ZONE);
return dateFormat;
}
protected List<DateFormat> formatsToTry() {
List<DateFormat> formats = new ArrayList<DateFormat>();
final Locale locale = Locale.getDefault();
formats.add(DateFormat.getTimeInstance(DateFormat.LONG, locale));
formats.add(DateFormat.getTimeInstance(DateFormat.MEDIUM, locale));
formats.add(DateFormat.getTimeInstance(DateFormat.SHORT, locale));
formats.add(createDateFormat("HH:mm:ss.SSS"));
formats.add(createDateFormat("HHmmssSSS"));
formats.add(createDateFormat("HH:mm:ss"));
formats.add(createDateFormat("HHmmss"));
for (DateFormat format : formats) {
format.setTimeZone(UTC_TIME_ZONE);
}
return formats;
}
}