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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2013 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A very simple profiler to log the time elapsed performing some tasks.
* This implementation is not thread-safe.
*
* @since 2.0
*/
public class TimeProfiler {
private Logger logger;
private long start = 0;
private String name;
private boolean debug = false;
public TimeProfiler(Logger logger) {
this.logger = logger;
}
public TimeProfiler(Class clazz) {
this.logger = LoggerFactory.getLogger(clazz);
}
/**
* Use the default Sonar logger
*/
public TimeProfiler() {
this.logger = Logs.INFO;
}
public TimeProfiler start(String name) {
this.name = name;
this.start = System.currentTimeMillis();
if (debug) {
logger.debug(name + "...");
} else {
logger.info(name + "...");
}
return this;
}
public TimeProfiler setLogger(Logger logger) {
this.logger = logger;
return this;
}
public Logger getLogger() {
return logger;
}
/**
* @since 2.4
*/
public TimeProfiler setLevelToDebug() {
debug = true;
return this;
}
public TimeProfiler stop() {
if (start > 0) {
String format = "{} done: {} ms";
if (debug) {
logger.debug(format, name, System.currentTimeMillis() - start);
} else {
logger.info(format, name, System.currentTimeMillis() - start);
}
}
start = 0;
return this;
}
}
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