001 /*
002 * Copyright 2008-2016 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 protected void setValueInternal(Object value) {
040 if (null == value) {
041 super.setValueInternal(null);
042 } else if (value instanceof CharSequence) {
043 handleAsString(String.valueOf(value));
044 } else if (value instanceof LocalDateTime) {
045 super.setValueInternal(value);
046 } else if (value instanceof LocalDate) {
047 super.setValueInternal(LocalDateTime.of((LocalDate) value, LocalTime.of(0, 0, 0, 0)));
048 } else if (value instanceof Date) {
049 handleAsDate((Date) value);
050 } else if (value instanceof Calendar) {
051 handleAsCalendar((Calendar) value);
052 } else if (value instanceof Number) {
053 handleAsDate(new Date(((Number) value).longValue()));
054 } else if (value instanceof List) {
055 handleAsList((List) value);
056 } else {
057 throw illegalValue(value, LocalDateTime.class);
058 }
059 }
060
061 protected void handleAsDate(Date date) {
062 Calendar c = Calendar.getInstance();
063 c.setTime(date);
064 handleAsCalendar(c);
065 }
066
067 protected void handleAsCalendar(Calendar value) {
068 int h = value.get(Calendar.HOUR);
069 int i = value.get(Calendar.MINUTE);
070 int s = value.get(Calendar.SECOND);
071 int n = value.get(Calendar.MILLISECOND) * 1000;
072 super.setValueInternal(LocalDateTime.of(LocalDate.ofEpochDay(value.getTime().getTime()), LocalTime.of(h, i, s, n)));
073 }
074
075 protected void handleAsString(String str) {
076 if (isBlank(str)) {
077 super.setValueInternal(null);
078 return;
079 }
080
081 try {
082 super.setValueInternal(LocalDateTime.parse(str));
083 } catch (DateTimeParseException dtpe) {
084 throw illegalValue(str, LocalDateTime.class, dtpe);
085 }
086 }
087
088 protected Formatter<LocalDateTime> resolveFormatter() {
089 return isBlank(getFormat()) ? null : new LocalDateTimeFormatter(getFormat());
090 }
091
092 protected void handleAsList(List<?> list) {
093 if (list.isEmpty()) {
094 super.setValueInternal(null);
095 return;
096 }
097
098 List<Object> values = new ArrayList<>();
099 values.addAll(list);
100 switch (list.size()) {
101 case 7:
102 // ok
103 break;
104 case 6:
105 values.add(0d);
106 break;
107 case 5:
108 values.add(0d);
109 values.add(0d);
110 break;
111 case 4:
112 values.add(0d);
113 values.add(0d);
114 values.add(0d);
115 break;
116 case 3:
117 values.add(0d);
118 values.add(0d);
119 values.add(0d);
120 values.add(0d);
121 break;
122 default:
123 throw illegalValue(list, LocalDateTime.class);
124 }
125
126 for (int i = 0, valuesSize = values.size(); i < valuesSize; i++) {
127 Object val = values.get(i);
128 if (val instanceof Number) {
129 values.set(i, parse((Number) val));
130 } else if (val instanceof CharSequence) {
131 values.set(i, parse(String.valueOf(val)));
132 } else {
133 throw illegalValue(list, LocalDateTime.class);
134 }
135 }
136 super.setValueInternal(
137 LocalDateTime.of(
138 (Integer) values.get(0),
139 (Integer) values.get(1),
140 (Integer) values.get(2),
141 (Integer) values.get(3),
142 (Integer) values.get(4),
143 (Integer) values.get(5),
144 (Integer) values.get(6)
145 )
146 );
147 }
148
149 protected int parse(String val) {
150 try {
151 return Integer.parseInt(val.trim());
152 } catch (NumberFormatException e) {
153 throw illegalValue(val, LocalDateTime.class, e);
154 }
155 }
156
157 protected int parse(Number val) {
158 return val.intValue();
159 }
160 }
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