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218 lines
11 KiB
218 lines
11 KiB
// serverLog.java
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// -------------------------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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// last major change: $LastChangedDate: 2009-01-30 14:48:11 +0000 (Fr, 30 Jan 2009) $ by $LastChangedBy: orbiter $
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// Revision: $LastChangedRevision: 5539 $
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package de.anomic.kelondro.util;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.LogManager;
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import java.util.logging.Logger;
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public final class Log {
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// log-level categories
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public static final int LOGLEVEL_ZERO = Level.OFF.intValue(); // no output at all
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public static final int LOGLEVEL_SEVERE = Level.SEVERE.intValue(); // system-level error, internal cause, critical and not fixeable (i.e. inconsistency)
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public static final int LOGLEVEL_WARNING = Level.WARNING.intValue(); // uncritical service failure, may require user activity (i.e. input required, wrong authorization)
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public static final int LOGLEVEL_CONFIG = Level.CONFIG.intValue(); // regular system status information (i.e. start-up messages)
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public static final int LOGLEVEL_INFO = Level.INFO.intValue(); // regular action information (i.e. any httpd request URL)
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public static final int LOGLEVEL_FINE = Level.FINE.intValue(); // in-function status debug output
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public static final int LOGLEVEL_FINER = Level.FINER.intValue(); // in-function status debug output
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public static final int LOGLEVEL_FINEST = Level.FINEST.intValue(); // in-function status debug output
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// these categories are also present as character tokens
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public static final char LOGTOKEN_ZERO = 'Z';
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public static final char LOGTOKEN_SEVERE = 'E';
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public static final char LOGTOKEN_WARNING = 'W';
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public static final char LOGTOKEN_CONFIG = 'S';
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public static final char LOGTOKEN_INFO = 'I';
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public static final char LOGTOKEN_FINE = 'D';
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public static final char LOGTOKEN_FINER = 'D';
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public static final char LOGTOKEN_FINEST = 'D';
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private final Logger theLogger;
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public Log(final String appName) {
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this.theLogger = Logger.getLogger(appName);
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//this.theLogger.setLevel(Level.FINEST); // set a default level
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}
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public void setLevel(final Level newLevel) {
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this.theLogger.setLevel(newLevel);
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}
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public void logSevere(final String message) {this.theLogger.severe(message);}
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public void logSevere(final String message, final Throwable thrown) {this.theLogger.log(Level.SEVERE,message,thrown);}
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public boolean isSevere() { return this.theLogger.isLoggable(Level.SEVERE); }
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public void logWarning(final String message) {this.theLogger.warning(message);}
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public void logWarning(final String message, final Throwable thrown) {this.theLogger.log(Level.WARNING,message,thrown);}
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public boolean isWarning() { return this.theLogger.isLoggable(Level.WARNING); }
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public void logConfig(final String message) {this.theLogger.config(message);}
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public void logConfig(final String message, final Throwable thrown) {this.theLogger.log(Level.CONFIG,message,thrown);}
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public boolean isConfig() { return this.theLogger.isLoggable(Level.CONFIG); }
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public void logInfo(final String message) {this.theLogger.info(message);}
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public void logInfo(final String message, final Throwable thrown) {this.theLogger.log(Level.INFO,message,thrown);}
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public boolean isInfo() { return this.theLogger.isLoggable(Level.INFO); }
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public void logFine(final String message) {this.theLogger.fine(message);}
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public void logFine(final String message, final Throwable thrown) {this.theLogger.log(Level.FINE,message,thrown);}
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public boolean isFine() { return this.theLogger.isLoggable(Level.FINE); }
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public void logFiner(final String message) {this.theLogger.finer(message);}
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public void logFiner(final String message, final Throwable thrown) {this.theLogger.log(Level.FINER,message,thrown);}
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public boolean isFiner() { return this.theLogger.isLoggable(Level.FINER); }
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public void logFinest(final String message) {this.theLogger.finest(message);}
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public void logFinest(final String message, final Throwable thrown) {this.theLogger.log(Level.FINEST,message,thrown);}
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public boolean isFinest() { return this.theLogger.isLoggable(Level.FINEST); }
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public boolean isLoggable(final Level level) {
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return this.theLogger.isLoggable(level);
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}
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// static log messages: log everything
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public static void logSevere(final String appName, final String message) {
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Logger.getLogger(appName).severe(message);
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}
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public static void logSevere(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.SEVERE,message,thrown);
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}
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public static boolean isSevere(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.SEVERE);
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}
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public static void logWarning(final String appName, final String message) {
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Logger.getLogger(appName).warning(message);
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}
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public static void logWarning(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.WARNING,message,thrown);
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}
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public static boolean isWarning(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.WARNING);
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}
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public static void logConfig(final String appName, final String message) {
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Logger.getLogger(appName).config(message);
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}
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public static void logConfig(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.CONFIG,message,thrown);
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}
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public static boolean isConfig(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.CONFIG);
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}
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public static void logInfo(final String appName, final String message) {
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Logger.getLogger(appName).info(message);
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}
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public static void logInfo(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.INFO,message,thrown);
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}
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public static boolean isInfo(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.INFO);
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}
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public static void logFine(final String appName, final String message) {
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Logger.getLogger(appName).fine(message);
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}
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public static void logFine(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.FINE,message,thrown);
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}
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public static boolean isFine(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.FINE);
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}
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public static void logFiner(final String appName, final String message) {
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Logger.getLogger(appName).finer(message);
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}
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public static void logFiner(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.FINER,message,thrown);
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}
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public static boolean isFiner(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.FINER);
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}
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public static void logFinest(final String appName, final String message) {
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Logger.getLogger(appName).finest(message);
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}
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public static void logFinest(final String appName, final String message, final Throwable thrown) {
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Logger.getLogger(appName).log(Level.FINEST,message,thrown);
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}
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public static boolean isFinest(final String appName) {
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return Logger.getLogger(appName).isLoggable(Level.FINEST);
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}
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public static final void configureLogging(final File homePath, final File loggingConfigFile) throws SecurityException, FileNotFoundException, IOException {
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FileInputStream fileIn = null;
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try {
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System.out.println("STARTUP: Trying to load logging configuration from file " + loggingConfigFile.toString());
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fileIn = new FileInputStream(loggingConfigFile);
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// loading the logger configuration from file
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final LogManager logManager = LogManager.getLogManager();
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logManager.readConfiguration(fileIn);
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// creating the logging directory
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final String logPattern = logManager.getProperty("java.util.logging.FileHandler.pattern");
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int stripPos = logPattern.lastIndexOf('/');
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if (stripPos < 0) stripPos = logPattern.lastIndexOf(File.pathSeparatorChar);
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File log = new File(logPattern.substring(0, stripPos));
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if (!log.isAbsolute()) log = new File(homePath, log.getPath());
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if (!log.canRead()) log.mkdir();
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// TODO: changing the pattern settings for the file handlers
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// generating the root logger
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/*Logger logger =*/ Logger.getLogger("");
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// System.setOut(new PrintStream(new LoggerOutputStream(Logger.getLogger("STDOUT"),Level.FINEST)));
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// System.setErr(new PrintStream(new LoggerOutputStream(Logger.getLogger("STDERR"),Level.SEVERE)));
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} finally {
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if (fileIn != null) try {fileIn.close();}catch(final Exception e){}
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}
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}
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public static final String format(final String s, int n, final int fillChar) {
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final int l = s.length();
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if (l >= n) return s;
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final StringBuilder sb = new StringBuilder(l + n);
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for (final int i = l + n; i > n; n--) sb.insert(0, fillChar);
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return sb.toString();
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}
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public static final boolean allZero(final byte[] a) {
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return allZero(a, 0, a.length);
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}
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public static final boolean allZero(final byte[] a, final int astart, final int alength) {
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for (int i = 0; i < alength; i++) if (a[astart + i] != 0) return false;
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return true;
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}
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}
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