/*
* Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.tools.jconsole;
import java.text.*;
import java.util.*;
class Formatter {
final static long SECOND = 1000;
final static long MINUTE = 60 * SECOND;
final static long HOUR = 60 * MINUTE;
final static long DAY = 24 * HOUR;
final static String cr = System.getProperty("line.separator");
final static DateFormat timeDF = new SimpleDateFormat("HH:mm");
private final static DateFormat timeWithSecondsDF = new SimpleDateFormat("HH:mm:ss");
private final static DateFormat dateDF = new SimpleDateFormat("yyyy-MM-dd");
private final static String decimalZero =
new DecimalFormatSymbols().getDecimalSeparator() + "0";
static String formatTime(long t) {
String str;
if (t < 1 * MINUTE) {
String seconds = String.format("%.3f", t / (double)SECOND);
str = Resources.format(Messages.DURATION_SECONDS, seconds);
} else {
long remaining = t;
long days = remaining / DAY;
remaining %= 1 * DAY;
long hours = remaining / HOUR;
remaining %= 1 * HOUR;
long minutes = remaining / MINUTE;
if (t >= 1 * DAY) {
str = Resources.format(Messages.DURATION_DAYS_HOURS_MINUTES,
days, hours, minutes);
} else if (t >= 1 * HOUR) {
str = Resources.format(Messages.DURATION_HOURS_MINUTES,
hours, minutes);
} else {
str = Resources.format(Messages.DURATION_MINUTES, minutes);
}
}
return str;
}
static String formatNanoTime(long t) {
long ms = t / 1000000;
return formatTime(ms);
}
static String formatClockTime(long time) {
return timeDF.format(time);
}
static String formatDate(long time) {
return dateDF.format(time);
}
static String formatDateTime(long time) {
return dateDF.format(time) + " " + timeWithSecondsDF.format(time);
}
static DateFormat getDateTimeFormat(String dtfStr) {
int dateStyle = -1;
int timeStyle = -1;
if (dtfStr.startsWith("SHORT")) {
dateStyle = DateFormat.SHORT;
} else if (dtfStr.startsWith("MEDIUM")) {
dateStyle = DateFormat.MEDIUM;
} else if (dtfStr.startsWith("LONG")) {
dateStyle = DateFormat.LONG;
} else if (dtfStr.startsWith("FULL")) {
dateStyle = DateFormat.FULL;
}
if (dtfStr.endsWith("SHORT")) {
timeStyle = DateFormat.SHORT;
} else if (dtfStr.endsWith("MEDIUM")) {
timeStyle = DateFormat.MEDIUM;
} else if (dtfStr.endsWith("LONG")) {
timeStyle = DateFormat.LONG;
} else if (dtfStr.endsWith("FULL")) {
timeStyle = DateFormat.FULL;
}
if (dateStyle != -1 && timeStyle != -1) {
return DateFormat.getDateTimeInstance(dateStyle, timeStyle);
} else if (dtfStr.length() > 0) {
return new SimpleDateFormat(dtfStr);
} else {
return DateFormat.getDateTimeInstance();
}
}
static double toExcelTime(long time) {
// Excel is bug compatible with Lotus 1-2-3 and pretends
// that 1900 was a leap year, so count from 1899-12-30.
// Note that the month index is zero-based in Calendar.
Calendar cal = new GregorianCalendar(1899, 11, 30);
// Adjust for the fact that now may be DST but then wasn't
Calendar tmpCal = new GregorianCalendar();
tmpCal.setTimeInMillis(time);
int dst = tmpCal.get(Calendar.DST_OFFSET);
if (dst > 0) {
cal.set(Calendar.DST_OFFSET, dst);
}
long millisSince1900 = time - cal.getTimeInMillis();
double value = (double)millisSince1900 / (24 * 60 * 60 * 1000);
return value;
}
static String[] formatKByteStrings(long... bytes) {
int n = bytes.length;
for (int i = 0; i < n; i++) {
if (bytes[i] > 0) {
bytes[i] /= 1024;
}
}
String[] strings = formatLongs(bytes);
for (int i = 0; i < n; i++) {
strings[i] = Resources.format(Messages.KBYTES, strings[i]);
}
return strings;
}
static String formatKBytes(long bytes) {
if (bytes == -1) {
return Resources.format(Messages.KBYTES, "-1");
}
long kb = bytes / 1024;
return Resources.format(Messages.KBYTES, justify(kb, 10));
}
static String formatBytes(long v, boolean html) {
return formatBytes(v, v, html);
}
static String formatBytes(long v, long vMax) {
return formatBytes(v, vMax, false);
}
static String formatBytes(long v, long vMax, boolean html) {
String s;
int exp = (int)Math.log10((double)vMax);
if (exp < 3) {
s = Resources.format(Messages.SIZE_BYTES, v);
} else if (exp < 6) {
s = Resources.format(Messages.SIZE_KB, trimDouble(v / Math.pow(10.0, 3)));
} else if (exp < 9) {
s = Resources.format(Messages.SIZE_MB, trimDouble(v / Math.pow(10.0, 6)));
} else {
s = Resources.format(Messages.SIZE_GB, trimDouble(v / Math.pow(10.0, 9)));
}
if (html) {
s = s.replace(" ", " ");
}
return s;
}
/*
* Return the input value rounded to one decimal place. If after
* rounding the string ends in the (locale-specific) decimal point
* followed by a zero then trim that off as well.
*/
private static String trimDouble(double d) {
String s = String.format("%.1f", d);
if (s.length() > 3 && s.endsWith(decimalZero)) {
s = s.substring(0, s.length()-2);
}
return s;
}
static String formatLong(long value) {
return String.format("%,d", value);
}
static String[] formatLongs(long... longs) {
int n = longs.length;
int size = 0;
String[] strings = new String[n];
for (int i = 0; i < n; i++) {
strings[i] = formatLong(longs[i]);
size = Math.max(size, strings[i].length());
}
for (int i = 0; i < n; i++) {
strings[i] = justify(strings[i], size);
}
return strings;
}
// A poor attempt at right-justifying for numerical data
static String justify(long value, int size) {
return justify(formatLong(value), size);
}
static String justify(String str, int size) {
StringBuffer buf = new StringBuffer();
buf.append("<TT>");
int n = size - str.length();
for (int i = 0; i < n; i++) {
buf.append(" ");
}
buf.append(str);
buf.append("</TT>");
return buf.toString();
}
static String newRow(String label, String value) {
return newRow(label, value, 2);
}
static String newRow(String label, String value, int columnPerRow) {
if (label == null) {
label = "";
} else {
label += ": ";
}
label = "<th nowrap align=right valign=top>" + label;
value = "<td colspan=" + (columnPerRow-1) + "> <font size =-1>" + value;
return "<tr>" + label + value + "</tr>";
}
static String newRow(String label1, String value1,
String label2, String value2) {
label1 = "<th nowrap align=right valign=top>" + label1 + ": ";
value1 = "<td><font size =-1>" + value1;
label2 = "<th nowrap align=right valign=top>" + label2 + ": ";
value2 = "<td><font size =-1>" + value2;
return "<tr>" + label1 + value1 + label2 + value2 + "</tr>";
}
}