001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied. See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019
020 package org.apache.isis.core.progmodel.facets.value.date;
021
022 import java.text.DateFormat;
023 import java.util.Calendar;
024 import java.util.Map;
025
026 import org.apache.isis.core.commons.config.ConfigurationConstants;
027 import org.apache.isis.core.commons.config.IsisConfiguration;
028 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
029 import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
030 import org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal;
031
032 import com.google.inject.internal.Maps;
033
034 public abstract class DateValueSemanticsProviderAbstract<T> extends ValueSemanticsProviderAbstractTemporal<T> {
035
036 private static Map<String, DateFormat> formats = Maps.newHashMap();
037
038 static {
039 formats.put("iso", createDateFormat("yyyy-MM-dd"));
040 formats.put(ISO_ENCODING_FORMAT, createDateFormat("yyyyMMdd"));
041 formats.put("long", DateFormat.getDateInstance(DateFormat.LONG));
042 formats.put("medium", DateFormat.getDateInstance(DateFormat.MEDIUM));
043 formats.put("short", DateFormat.getDateInstance(DateFormat.SHORT));
044 }
045
046 public DateValueSemanticsProviderAbstract(final FacetHolder holder, final Class<T> adaptedClass,
047 final boolean immutable, final boolean equalByContent, final T defaultValue,
048 final IsisConfiguration configuration, final ValueSemanticsProviderContext context) {
049 super("date", holder, adaptedClass, 12, immutable, equalByContent, defaultValue, configuration, context);
050
051 final String formatRequired = configuration.getString(ConfigurationConstants.ROOT + "value.format.date");
052 if (formatRequired == null) {
053 format = formats().get(defaultFormat());
054 } else {
055 setMask(formatRequired);
056 }
057 }
058
059 // //////////////////////////////////////////////////////////////////
060 // DateValueFacet
061 // //////////////////////////////////////////////////////////////////
062
063 @Override
064 public int getLevel() {
065 return DATE_ONLY;
066 }
067
068 // //////////////////////////////////////////////////////////////////
069 // temporal-specific stuff
070 // //////////////////////////////////////////////////////////////////
071
072 @Override
073 protected void clearFields(final Calendar cal) {
074 cal.set(Calendar.HOUR, 0);
075 cal.set(Calendar.HOUR_OF_DAY, 0);
076 cal.set(Calendar.MINUTE, 0);
077 cal.set(Calendar.SECOND, 0);
078 cal.set(Calendar.AM_PM, 0);
079 cal.set(Calendar.MILLISECOND, 0);
080 }
081
082 @Override
083 protected String defaultFormat() {
084 return "medium";
085 }
086
087 @Override
088 protected boolean ignoreTimeZone() {
089 return true;
090 }
091
092 @Override
093 protected Map<String, DateFormat> formats() {
094 return formats;
095 }
096
097 @Override
098 public String toString() {
099 return "DateValueSemanticsProvider: " + format;
100 }
101
102 }