1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* plist - An open source library to parse and generate property lists
* Copyright (C) 2011 Daniel Dreibrodt, Keith Randall
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.dd.plist;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
/**
* Represents a date.
*
* @author Daniel Dreibrodt
*/
public class NSDate extends NSObject {
private Date date;
// EPOCH = new SimpleDateFormat("yyyy MM dd zzz").parse("2001 01 01 GMT").getTime();
// ...but that's annoying in a static initializer because it can throw exceptions, ick.
// So we just hardcode the correct value.
private final static long EPOCH = 978307200000L;
private static final SimpleDateFormat sdfDefault = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
private static final SimpleDateFormat sdfGnuStep = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z");
static {
sdfDefault.setTimeZone(TimeZone.getTimeZone("GMT"));
sdfGnuStep.setTimeZone(TimeZone.getTimeZone("GMT"));
}
/**
* Parses the XML date string and creates a Java Date object from it.
* This function is synchronized as SimpleDateFormat is not thread-safe.
*
* @param textRepresentation The date string as found in the XML property list
* @return The parsed Date
* @throws ParseException If the given string cannot be parsed.
* @see SimpleDateFormat#parse(java.lang.String)
*/
private static synchronized Date parseDateString(String textRepresentation) throws ParseException {
try {
return sdfDefault.parse(textRepresentation);
} catch (ParseException ex) {
return sdfGnuStep.parse(textRepresentation);
}
}
/**
* Generates a String representation of a Java Date object. The string
* is formatted according to the specification for XML property list dates.
*
* @param date The date which should be represented.
* @return The string representation of the date.
*/
private static synchronized String makeDateString(Date date) {
return sdfDefault.format(date);
}
/**
* Generates a String representation of a Java Date object. The string
* is formatted according to the specification for GnuStep ASCII property
* list dates.
*
* @param date The date which should be represented.
* @return The string representation of the date.
*/
private static synchronized String makeDateStringGnuStep(Date date) {
return sdfGnuStep.format(date);
}
/**
* Creates a date from its binary representation.
*
* @param bytes The date bytes
*/
public NSDate(byte[] bytes) {
//dates are 8 byte big-endian double, seconds since the epoch
date = new Date(EPOCH + (long) (1000 * BinaryPropertyListParser.parseDouble(bytes)));
}
/**
* Parses a date from its textual representation.
* That representation has the following pattern: <code>yyyy-MM-dd'T'HH:mm:ss'Z'</code>
*
* @param textRepresentation The textual representation of the date (ISO 8601 format)
* @throws ParseException When the date could not be parsed, i.e. it does not match the expected pattern.
*/
public NSDate(String textRepresentation) throws ParseException {
date = parseDateString(textRepresentation);
}
/**
* Creates a NSDate from a Java Date
*
* @param d The date
*/
public NSDate(Date d) {
if (d == null)
throw new IllegalArgumentException("Date cannot be null");
date = d;
}
/**
* Gets the date.
*
* @return The date.
*/
public Date getDate() {
return date;
}
@Override
public boolean equals(Object obj) {
return obj.getClass().equals(getClass()) && date.equals(((NSDate) obj).getDate());
}
@Override
public int hashCode() {
return date.hashCode();
}
@Override
void toXML(StringBuilder xml, int level) {
indent(xml, level);
xml.append("<date>");
xml.append(makeDateString(date));
xml.append("</date>");
}
@Override
public void toBinary(BinaryPropertyListWriter out) throws IOException {
out.write(0x33);
out.writeDouble((date.getTime() - EPOCH) / 1000.0);
}
/**
* Generates a string representation of the date.
*
* @return A string representation of the date.
* @see java.util.Date#toString()
*/
@Override
public String toString() {
return date.toString();
}
@Override
protected void toASCII(StringBuilder ascii, int level) {
indent(ascii, level);
ascii.append("\"");
ascii.append(makeDateString(date));
ascii.append("\"");
}
@Override
protected void toASCIIGnuStep(StringBuilder ascii, int level) {
indent(ascii, level);
ascii.append("<*D");
ascii.append(makeDateStringGnuStep(date));
ascii.append(">");
}
}
|
