001 /*
002 * Copyright 2008-2017 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package griffon.core.editors;
017
018 import griffon.core.formatters.Formatter;
019 import griffon.core.formatters.LocalDateTimeFormatter;
020 import griffon.metadata.PropertyEditorFor;
021
022 import java.time.LocalDate;
023 import java.time.LocalDateTime;
024 import java.time.LocalTime;
025 import java.time.format.DateTimeParseException;
026 import java.util.ArrayList;
027 import java.util.Calendar;
028 import java.util.Date;
029 import java.util.List;
030
031 import static griffon.util.GriffonNameUtils.isBlank;
032
033 /**
034 * @author Andres Almiray
035 * @since 2.4.0
036 */
037 @PropertyEditorFor(LocalDateTime.class)
038 public class LocalDateTimePropertyEditor extends AbstractPropertyEditor {
039 @Override
040 protected void setValueInternal(Object value) {
041 if (null == value) {
042 super.setValueInternal(null);
043 } else if (value instanceof CharSequence) {
044 handleAsString(String.valueOf(value));
045 } else if (value instanceof LocalDateTime) {
046 super.setValueInternal(value);
047 } else if (value instanceof LocalDate) {
048 super.setValueInternal(LocalDateTime.of((LocalDate) value, LocalTime.of(0, 0, 0, 0)));
049 } else if (value instanceof Date) {
050 handleAsDate((Date) value);
051 } else if (value instanceof Calendar) {
052 handleAsCalendar((Calendar) value);
053 } else if (value instanceof Number) {
054 handleAsDate(new Date(((Number) value).longValue()));
055 } else if (value instanceof List) {
056 handleAsList((List) value);
057 } else {
058 throw illegalValue(value, LocalDateTime.class);
059 }
060 }
061
062 protected void handleAsDate(Date date) {
063 Calendar c = Calendar.getInstance();
064 c.setTime(date);
065 handleAsCalendar(c);
066 }
067
068 protected void handleAsCalendar(Calendar value) {
069 int h = value.get(Calendar.HOUR);
070 int i = value.get(Calendar.MINUTE);
071 int s = value.get(Calendar.SECOND);
072 int n = value.get(Calendar.MILLISECOND) * 1000;
073 super.setValueInternal(LocalDateTime.of(LocalDate.ofEpochDay(value.getTime().getTime()), LocalTime.of(h, i, s, n)));
074 }
075
076 protected void handleAsString(String str) {
077 if (isBlank(str)) {
078 super.setValueInternal(null);
079 return;
080 }
081
082 try {
083 super.setValueInternal(LocalDateTime.parse(str));
084 } catch (DateTimeParseException dtpe) {
085 throw illegalValue(str, LocalDateTime.class, dtpe);
086 }
087 }
088
089 @Override
090 protected Formatter<LocalDateTime> resolveFormatter() {
091 return isBlank(getFormat()) ? null : new LocalDateTimeFormatter(getFormat());
092 }
093
094 protected void handleAsList(List<?> list) {
095 if (list.isEmpty()) {
096 super.setValueInternal(null);
097 return;
098 }
099
100 List<Object> values = new ArrayList<>();
101 values.addAll(list);
102 switch (list.size()) {
103 case 7:
104 // ok
105 break;
106 case 6:
107 values.add(0d);
108 break;
109 case 5:
110 values.add(0d);
111 values.add(0d);
112 break;
113 case 4:
114 values.add(0d);
115 values.add(0d);
116 values.add(0d);
117 break;
118 case 3:
119 values.add(0d);
120 values.add(0d);
121 values.add(0d);
122 values.add(0d);
123 break;
124 default:
125 throw illegalValue(list, LocalDateTime.class);
126 }
127
128 for (int i = 0, valuesSize = values.size(); i < valuesSize; i++) {
129 Object val = values.get(i);
130 if (val instanceof Number) {
131 values.set(i, parse((Number) val));
132 } else if (val instanceof CharSequence) {
133 values.set(i, parse(String.valueOf(val)));
134 } else {
135 throw illegalValue(list, LocalDateTime.class);
136 }
137 }
138 super.setValueInternal(
139 LocalDateTime.of(
140 (Integer) values.get(0),
141 (Integer) values.get(1),
142 (Integer) values.get(2),
143 (Integer) values.get(3),
144 (Integer) values.get(4),
145 (Integer) values.get(5),
146 (Integer) values.get(6)
147 )
148 );
149 }
150
151 protected int parse(String val) {
152 try {
153 return Integer.parseInt(val.trim());
154 } catch (NumberFormatException e) {
155 throw illegalValue(val, LocalDateTime.class, e);
156 }
157 }
158
159 protected int parse(Number val) {
160 return val.intValue();
161 }
162 }
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