1 /*
2 * Copyright (c) 2004, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.tools.jconsole;
27
28 import java.text.*;
29 import java.util.*;
30
31 import static sun.tools.jconsole.Resources.*;
32
33 class Formatter {
34 final static long SECOND = 1000;
35 final static long MINUTE = 60 * SECOND;
36 final static long HOUR = 60 * MINUTE;
37 final static long DAY = 24 * HOUR;
38
39 final static String cr = System.getProperty("line.separator");
40
41 final static DateFormat timeDF = new SimpleDateFormat("HH:mm");
42 private final static DateFormat timeWithSecondsDF = new SimpleDateFormat("HH:mm:ss");
43 private final static DateFormat dateDF = new SimpleDateFormat("yyyy-MM-dd");
44 private final static String decimalZero =
45 new DecimalFormatSymbols().getDecimalSeparator() + "0";
46
47 static String formatTime(long t) {
48 String str;
49 if (t < 1 * MINUTE) {
50 String seconds = String.format("%.3f", t / (double)SECOND);
51 str = Resources.getText("DurationSeconds", seconds);
52 } else {
53 long remaining = t;
54 long days = remaining / DAY;
55 remaining %= 1 * DAY;
56 long hours = remaining / HOUR;
57 remaining %= 1 * HOUR;
58 long minutes = remaining / MINUTE;
59
60 if (t >= 1 * DAY) {
61 str = Resources.getText("DurationDaysHoursMinutes",
62 days, hours, minutes);
63 } else if (t >= 1 * HOUR) {
64 str = Resources.getText("DurationHoursMinutes",
65 hours, minutes);
66 } else {
67 str = Resources.getText("DurationMinutes", minutes);
68 }
69 }
70 return str;
71 }
72
73 static String formatNanoTime(long t) {
74 long ms = t / 1000000;
75 return formatTime(ms);
76 }
77
78
79 static String formatClockTime(long time) {
80 return timeDF.format(time);
81 }
82
83 static String formatDate(long time) {
84 return dateDF.format(time);
85 }
86
87 static String formatDateTime(long time) {
88 return dateDF.format(time) + " " + timeWithSecondsDF.format(time);
89 }
90
91 static DateFormat getDateTimeFormat(String key) {
92 String dtfStr = getText(key);
93 int dateStyle = -1;
94 int timeStyle = -1;
95
96 if (dtfStr.startsWith("SHORT")) {
97 dateStyle = DateFormat.SHORT;
98 } else if (dtfStr.startsWith("MEDIUM")) {
99 dateStyle = DateFormat.MEDIUM;
100 } else if (dtfStr.startsWith("LONG")) {
101 dateStyle = DateFormat.LONG;
102 } else if (dtfStr.startsWith("FULL")) {
103 dateStyle = DateFormat.FULL;
104 }
105
106 if (dtfStr.endsWith("SHORT")) {
107 timeStyle = DateFormat.SHORT;
108 } else if (dtfStr.endsWith("MEDIUM")) {
109 timeStyle = DateFormat.MEDIUM;
110 } else if (dtfStr.endsWith("LONG")) {
111 timeStyle = DateFormat.LONG;
112 } else if (dtfStr.endsWith("FULL")) {
113 timeStyle = DateFormat.FULL;
114 }
115
116 if (dateStyle != -1 && timeStyle != -1) {
117 return DateFormat.getDateTimeInstance(dateStyle, timeStyle);
118 } else if (dtfStr.length() > 0) {
119 return new SimpleDateFormat(dtfStr);
120 } else {
121 return DateFormat.getDateTimeInstance();
122 }
123 }
124
125 static double toExcelTime(long time) {
126 // Excel is bug compatible with Lotus 1-2-3 and pretends
127 // that 1900 was a leap year, so count from 1899-12-30.
128 // Note that the month index is zero-based in Calendar.
129 Calendar cal = new GregorianCalendar(1899, 11, 30);
130
131 // Adjust for the fact that now may be DST but then wasn't
132 Calendar tmpCal = new GregorianCalendar();
133 tmpCal.setTimeInMillis(time);
134 int dst = tmpCal.get(Calendar.DST_OFFSET);
135 if (dst > 0) {
136 cal.set(Calendar.DST_OFFSET, dst);
137 }
138
139 long millisSince1900 = time - cal.getTimeInMillis();
140 double value = (double)millisSince1900 / (24 * 60 * 60 * 1000);
141
142 return value;
143 }
144
145
146
147 static String[] formatKByteStrings(long... bytes) {
148 int n = bytes.length;
149 for (int i = 0; i < n; i++) {
150 if (bytes[i] > 0) {
151 bytes[i] /= 1024;
152 }
153 }
154 String[] strings = formatLongs(bytes);
155 for (int i = 0; i < n; i++) {
156 strings[i] = getText("kbytes", strings[i]);
157 }
158 return strings;
159 }
160
161 static String formatKBytes(long bytes) {
162 if (bytes == -1) {
163 return getText("kbytes", "-1");
164 }
165
166 long kb = bytes / 1024;
167 return getText("kbytes", justify(kb, 10));
168 }
169
170
171 static String formatBytes(long v, boolean html) {
172 return formatBytes(v, v, html);
173 }
174
175 static String formatBytes(long v, long vMax) {
176 return formatBytes(v, vMax, false);
177 }
178
179 static String formatBytes(long v, long vMax, boolean html) {
180 String s;
181
182 int exp = (int)Math.log10((double)vMax);
183
184 if (exp < 3) {
185 s = Resources.getText("Size Bytes", v);
186 } else if (exp < 6) {
187 s = Resources.getText("Size Kb", trimDouble(v / Math.pow(10.0, 3)));
188 } else if (exp < 9) {
189 s = Resources.getText("Size Mb", trimDouble(v / Math.pow(10.0, 6)));
190 } else {
191 s = Resources.getText("Size Gb", trimDouble(v / Math.pow(10.0, 9)));
192 }
193 if (html) {
194 s = s.replace(" ", " ");
195 }
196 return s;
197 }
198
199 /*
200 * Return the input value rounded to one decimal place. If after
201 * rounding the string ends in the (locale-specific) decimal point
202 * followed by a zero then trim that off as well.
203 */
204 private static String trimDouble(double d) {
205 String s = String.format("%.1f", d);
206 if (s.length() > 3 && s.endsWith(decimalZero)) {
207 s = s.substring(0, s.length()-2);
208 }
209 return s;
210 }
211
212 static String formatLong(long value) {
213 return String.format("%,d", value);
214 }
215
216 static String[] formatLongs(long... longs) {
217 int n = longs.length;
218 int size = 0;
219 String[] strings = new String[n];
220 for (int i = 0; i < n; i++) {
221 strings[i] = formatLong(longs[i]);
222 size = Math.max(size, strings[i].length());
223 }
224 for (int i = 0; i < n; i++) {
225 strings[i] = justify(strings[i], size);
226 }
227 return strings;
228 }
229
230
231 // A poor attempt at right-justifying for numerical data
232 static String justify(long value, int size) {
233 return justify(formatLong(value), size);
234 }
235
236 static String justify(String str, int size) {
237 StringBuffer buf = new StringBuffer();
238 buf.append("<TT>");
239 int n = size - str.length();
240 for (int i = 0; i < n; i++) {
241 buf.append(" ");
242 }
243 buf.append(str);
244 buf.append("</TT>");
245 return buf.toString();
246 }
247
248 static String newRow(String label, String value) {
249 return newRow(label, value, 2);
250 }
251
252 static String newRow(String label, String value, int columnPerRow) {
253 if (label == null) {
254 label = "";
255 } else {
256 label += ": ";
257 }
258 label = "<th nowrap align=right valign=top>" + label;
259 value = "<td colspan=" + (columnPerRow-1) + "> <font size =-1>" + value;
260
261 return "<tr>" + label + value + "</tr>";
262 }
263
264 static String newRow(String label1, String value1,
265 String label2, String value2) {
266 label1 = "<th nowrap align=right valign=top>" + label1 + ": ";
267 value1 = "<td><font size =-1>" + value1;
268 label2 = "<th nowrap align=right valign=top>" + label2 + ": ";
269 value2 = "<td><font size =-1>" + value2;
270
271 return "<tr>" + label1 + value1 + label2 + value2 + "</tr>";
272 }
273
274 }