001 /*
002 * Copyright 2008-2015 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.LocalTimeFormatter;
020 import griffon.metadata.PropertyEditorFor;
021
022 import java.time.LocalDateTime;
023 import java.time.LocalTime;
024 import java.time.format.DateTimeParseException;
025 import java.util.ArrayList;
026 import java.util.Calendar;
027 import java.util.Date;
028 import java.util.List;
029
030 import static griffon.util.GriffonNameUtils.isBlank;
031
032 /**
033 * @author Andres Almiray
034 * @since 2.4.0
035 */
036 @PropertyEditorFor(LocalTime.class)
037 public class LocalTimePropertyEditor extends AbstractPropertyEditor {
038 protected void setValueInternal(Object value) {
039 if (null == value) {
040 super.setValueInternal(null);
041 } else if (value instanceof CharSequence) {
042 handleAsString(String.valueOf(value));
043 } else if (value instanceof LocalTime) {
044 super.setValueInternal(value);
045 } else if (value instanceof LocalDateTime) {
046 super.setValueInternal(((LocalDateTime) value).toLocalTime());
047 } else if (value instanceof Date) {
048 handleAsDate((Date) value);
049 } else if (value instanceof Calendar) {
050 handleAsCalendar((Calendar) value);
051 } else if (value instanceof Number) {
052 handleAsDate(new Date(((Number) value).longValue()));
053 } else if (value instanceof List) {
054 handleAsList((List) value);
055 } else {
056 throw illegalValue(value, LocalTime.class);
057 }
058 }
059
060 protected void handleAsDate(Date date) {
061 Calendar c = Calendar.getInstance();
062 c.setTime(date);
063 handleAsCalendar(c);
064 }
065
066 protected void handleAsCalendar(Calendar value) {
067 int h = value.get(Calendar.HOUR);
068 int i = value.get(Calendar.MINUTE);
069 int s = value.get(Calendar.SECOND);
070 int n = value.get(Calendar.MILLISECOND) * 1000;
071 super.setValueInternal(LocalTime.of(h, i, s, n));
072 }
073
074 protected void handleAsString(String str) {
075 if (isBlank(str)) {
076 super.setValueInternal(null);
077 return;
078 }
079
080 try {
081 super.setValueInternal(LocalTime.parse(str));
082 } catch (DateTimeParseException dtpe) {
083 throw illegalValue(str, LocalTime.class, dtpe);
084 }
085 }
086
087 protected Formatter<LocalTime> resolveFormatter() {
088 return isBlank(getFormat()) ? null : new LocalTimeFormatter(getFormat());
089 }
090
091 protected void handleAsList(List<?> list) {
092 if (list.isEmpty()) {
093 super.setValueInternal(null);
094 return;
095 }
096
097 List<Object> values = new ArrayList<>();
098 values.addAll(list);
099 switch (values.size()) {
100 case 4:
101 // ok
102 break;
103 case 3:
104 values.add(0);
105 break;
106 default:
107 throw illegalValue(list, LocalTime.class);
108 }
109
110 for (int i = 0, valuesSize = values.size(); i < valuesSize; i++) {
111 Object val = values.get(i);
112 if (val instanceof Number) {
113 values.set(i, parse((Number) val));
114 } else if (val instanceof CharSequence) {
115 values.set(i, parse(String.valueOf(val)));
116 } else {
117 throw illegalValue(list, LocalTime.class);
118 }
119 }
120 super.setValueInternal(
121 LocalTime.of(
122 (Integer) values.get(0),
123 (Integer) values.get(1),
124 (Integer) values.get(2),
125 (Integer) values.get(3)
126 )
127 );
128 }
129
130 protected int parse(String val) {
131 try {
132 return Integer.parseInt(val.trim());
133 } catch (NumberFormatException e) {
134 throw illegalValue(val, LocalTime.class, e);
135 }
136 }
137
138 protected int parse(Number val) {
139 return val.intValue();
140 }
141 }
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