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1
17 package org.apache.ws.jaxme.util;
18
19 import java.io.Serializable  ;
20
21
22
24 public class Duration implements Serializable , Comparable {
25 private static final long serialVersionUID = 3257001055736117303L;
26 private final boolean isNegative;
27 private final int years, months, days, hours, minutes, seconds;
28 private final long millis;
29
30
32 public Duration(boolean pNegative, int pYears, int pMonths, int pDays, int pHours, int pMinutes, int pSeconds, long pMillis) {
33 isNegative = pNegative;
34 years = pYears;
35 months = pMonths;
36 days = pDays;
37 hours = pHours;
38 minutes = pMinutes;
39 seconds = pSeconds;
40 millis = pMillis;
41 }
42
43
45 public int getYears() {
46 return years;
47 }
48
49
51 public int getMonths() {
52 return months;
53 }
54
55
57 public int getDays() {
58 return days;
59 }
60
61
63 public int getHours() {
64 return hours;
65 }
66
67
69 public int getMinutes() {
70 return minutes;
71 }
72
73
75 public int getSeconds() {
76 return seconds;
77 }
78
79
81 public long getMillis() {
82 return millis;
83 }
84
85
87 public String toString() {
88 StringBuffer sb = new StringBuffer ();
89 sb.append('P');
90 sb.append(getYears());
91 sb.append('Y');
92 sb.append(getMonths());
93 sb.append('M');
94 sb.append(getDays());
95 sb.append("DT");
96 sb.append(getHours());
97 sb.append('H');
98 sb.append(getMinutes());
99 sb.append('M');
100 sb.append(getSeconds());
101 long m = getMillis();
102 if (m != 0) {
103 sb.append('.');
104 sb.append(m);
105 }
106 sb.append('S');
107 return sb.toString();
108 }
109
110
114 public static Duration valueOf(String pValue) {
115 if (pValue == null) {
116 throw new NullPointerException ("The duration value must not be null.");
117 }
118 int len = pValue.length();
119 int offset = 0;
120 boolean isNegative;
121 if (len > 0) {
122 char c = pValue.charAt(0);
123 if (c == '-') {
124 isNegative = true;
125 ++offset;
126 } else if (c == '+') {
127 isNegative = false;
128 ++offset;
129 } else {
130 isNegative = false;
131 }
132 } else {
133 throw new IllegalArgumentException ("Invalid duration: Empty string");
134 }
135
136 if (len == 0 || pValue.charAt(offset) != 'P') {
137 throw new IllegalArgumentException ("Invalid duration: " + pValue + " (must start with P, +P, or -P)");
138 } else {
139 ++offset;
140 }
141
142 int years = -1, months = -1, daysOfMonth = -1, hours = -1, minutes = -1, seconds = -1;
143 long millis = -1;
144 int preDecimalPoint = -1;
145 boolean separatorSeen = false;
146 StringBuffer digits = new StringBuffer ();
147 while (offset < len) {
148 char c = pValue.charAt(offset);
149 if (Character.isDigit(c)) {
150 digits.append(c);
151 } else if (c == 'T') {
152 if (separatorSeen) {
153 throw new IllegalArgumentException ("Invalid duration: " + pValue
154 + " (date/time separator 'T' used twice)");
155 } else {
156 separatorSeen = true;
157 }
158 } else {
159 long l;
160 if (digits.length() == 0) {
161 l = 0;
162 } else {
163 try {
164 l = Long.parseLong(digits.toString());
165 } catch (NumberFormatException e) {
166 throw new IllegalArgumentException ("Invalid duration: " + pValue
167 + " (max long value exceeded by " + digits + ")");
168 }
169 digits.setLength(0);
170 }
171 if (preDecimalPoint >= 0) {
172 if (c == 'S') {
173 if (!separatorSeen) {
174 throw new IllegalArgumentException ("Invalid duration: " + pValue
175 + "(seconds specified before date/time separator 'T' seen)");
176 }
177 if (seconds != -1) {
178 throw new IllegalArgumentException ("Invalid duration: " + pValue
179 + " (seconds specified twice)");
180 }
181 seconds = preDecimalPoint;
182 millis = l;
183 preDecimalPoint = -1;
184 } else {
185 throw new IllegalArgumentException ("Invalid duration: " + pValue
186 + " (decimal point not allowed here: "
187 + preDecimalPoint + "." + digits + c + ")");
188 }
189 } else if (l > Integer.MAX_VALUE) {
190 throw new IllegalArgumentException ("Invalid duration: " + pValue
191 + " (max integer value exceeded by " + digits + ")");
192 } else {
193 int i = (int) l;
194 if (c == '.') {
195 preDecimalPoint = i;
196 } else if (separatorSeen) {
197 if (c == 'Y' || c == 'D') {
198 throw new IllegalArgumentException ("Invalid duration: " + pValue
199 + " (years or days of month specified after date/time separator 'T' seen)");
200 } else if (c == 'S') {
201 if (seconds != -1) {
202 throw new IllegalArgumentException ("Invalid duration: " + pValue
203 + " (seconds specified twice)");
204 }
205 seconds = i;
206 millis = 0;
207 } else if (c == 'M') {
208 if (minutes != -1) {
209 throw new IllegalArgumentException ("Invalid duration: " + pValue
210 + " (minutes specified twice)");
211 } else if (seconds != -1) {
212 throw new IllegalArgumentException ("Invalid duration: " + pValue
213 + " (minutes specified after seconds)");
214 }
215 minutes = i;
216 } else if (c == 'H') {
217 if (hours != -1) {
218 throw new IllegalArgumentException ("Invalid duration: " + pValue
219 + " (hours specified twice)");
220 } else if (minutes != -1) {
221 throw new IllegalArgumentException ("Invalid duration: " + pValue
222 + " (hours specified after minutes)");
223 } else if (seconds != -1) {
224 throw new IllegalArgumentException ("Invalid duration: " + pValue
225 + " (seconds specified after minutes)");
226 }
227 hours = i;
228 }
229 } else {
230 if (c == 'H' || c == 'S') {
231 throw new IllegalArgumentException ("Invalid duration: " + pValue
232 + " (hours or seconds specified before date/time separator 'T' seen)");
233 } else if (c == 'Y') {
234 if (years != -1) {
235 throw new IllegalArgumentException ("Invalid duration: " + pValue
236 + " (years specified twice)");
237 } else if (months != -1) {
238 throw new IllegalArgumentException ("Invalid duration: " + pValue
239 + " (years specified after months)");
240 } else if (daysOfMonth != -1) {
241 throw new IllegalArgumentException ("Invalid duration: " + pValue
242 + " (years specified after days of month)");
243 }
244 years = i;
245 } else if (c == 'M') {
246 if (months != -1) {
247 throw new IllegalArgumentException ("Invalid duration: " + pValue
248 + " (months specified twice)");
249 } else if (daysOfMonth != -1) {
250 throw new IllegalArgumentException ("Invalid duration: " + pValue
251 + " (days of month specified after months)");
252 }
253 months = i;
254 } else if (c == 'D') {
255 if (daysOfMonth != -1) {
256 throw new IllegalArgumentException ("Invalid duration: " + pValue
257 + " (days of month specified twice)");
258 }
259 daysOfMonth = i;
260 }
261 }
262 }
263 }
264 ++offset;
265 }
266 return new Duration(isNegative,
267 years == -1 ? 0 : years,
268 months == -1 ? 0 : months,
269 daysOfMonth == -1 ? 0 :daysOfMonth,
270 hours == -1 ? 0 : hours,
271 minutes == -1 ? 0 : minutes,
272 seconds == -1 ? 0 : seconds,
273 millis == -1 ? 0 : millis);
274 }
275
276 public boolean equals(Object o) {
277 if (o == null || !(o instanceof Duration)) {
278 return false;
279 }
280 return compareTo((Duration) o) == 0;
281 }
282
283 public int compareTo(Object o) {
284 return compareTo((Duration) o);
285 }
286
287
289 public int compareTo(Duration d) {
290 if (isNegative != d.isNegative) {
291 return isNegative ? -1 : 1;
292 }
293 if (years != d.years) { return years - d.years; }
294 if (months != d.months) { return months - d.months; }
295 if (days != d.days) { return days - d.days; }
296 if (hours != d.hours) { return hours - d.hours; }
297 if (minutes != d.minutes) { return minutes - d.minutes; }
298 if (seconds != d.seconds) { return seconds - d.seconds; }
299 if (millis > d.millis) {
300 return 1;
301 } else if (millis < d.millis) {
302 return -1;
303 } else {
304 return 0;
305 }
306 }
307
308 public int hashCode() {
309 return isNegative ? 1 : 0 + years + months + days + hours + minutes + seconds + (int) millis;
310 }
311 }
312 |
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