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.timestamp;
021
022 import java.text.DateFormat;
023 import java.util.Date;
024 import java.util.Map;
025
026 import org.apache.isis.applib.value.TimeStamp;
027 import org.apache.isis.core.commons.config.ConfigurationConstants;
028 import org.apache.isis.core.commons.config.IsisConfiguration;
029 import org.apache.isis.core.metamodel.facetapi.FacetHolder;
030 import org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderContext;
031 import org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal;
032
033 public abstract class TimeStampValueSemanticsProviderAbstract<T> extends ValueSemanticsProviderAbstractTemporal<T> {
034
035 private static final Object DEFAULT_VALUE = null; // no default
036 private static final int TYPICAL_LENGTH = 12;
037
038 private static final boolean IMMUTABLE = false;
039 private static final boolean EQUAL_BY_CONTENT = false;
040
041 protected static void initFormats(final Map<String, DateFormat> formats) {
042 formats.put("iso", createDateFormat("yyyy-MM-dd HH:mm:ss.SSS"));
043 formats.put(ISO_ENCODING_FORMAT, createDateFormat("yyyyMMdd'T'HHmmssSSS"));
044 formats.put("medium", DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG));
045 formats.put("short", DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG));
046 }
047
048 @SuppressWarnings("unchecked")
049 public TimeStampValueSemanticsProviderAbstract(final FacetHolder holder, final Class<T> adaptedClass,
050 final IsisConfiguration configuration, final ValueSemanticsProviderContext context) {
051 super("timestamp", holder, adaptedClass, TYPICAL_LENGTH, IMMUTABLE, EQUAL_BY_CONTENT, (T) DEFAULT_VALUE,
052 configuration, context);
053 final String formatRequired = configuration.getString(ConfigurationConstants.ROOT + "value.format.timestamp");
054 if (formatRequired == null) {
055 format = formats().get(defaultFormat());
056 } else {
057 setMask(formatRequired);
058 }
059 }
060
061 @Override
062 public int getLevel() {
063 return TIMESTAMP;
064 }
065
066 @Override
067 protected T add(final T original, final int years, final int months, final int days, final int hours,
068 final int minutes) {
069 return original;
070 }
071
072 @Override
073 protected Date dateValue(final Object value) {
074 return new Date(((TimeStamp) value).longValue());
075 }
076
077 @Override
078 protected String defaultFormat() {
079 return "short";
080 }
081
082 @Override
083 public String toString() {
084 return "TimeStampValueSemanticsProvider: " + format;
085 }
086
087 }