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JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program 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 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.util;
import com.mysql.cj.conf.PropertyDefinitions;
import com.mysql.cj.log.ProfilerEvent;
public class LogUtils {
public static final String CALLER_INFORMATION_NOT_AVAILABLE = "Caller information not available";
private static final String LINE_SEPARATOR = System.getProperty(PropertyDefinitions.SYSP_line_separator);
private static final int LINE_SEPARATOR_LENGTH = LINE_SEPARATOR.length();
public static Object expandProfilerEventIfNecessary(Object possibleProfilerEvent) {
if (possibleProfilerEvent instanceof ProfilerEvent) {
StringBuilder msgBuf = new StringBuilder();
ProfilerEvent evt = (ProfilerEvent) possibleProfilerEvent;
String locationInformation = evt.getEventCreationPointAsString();
if (locationInformation == null) {
locationInformation = Util.stackTraceToString(new Throwable());
}
msgBuf.append("Profiler Event: [");
switch (evt.getEventType()) {
case ProfilerEvent.TYPE_EXECUTE:
msgBuf.append("EXECUTE");
break;
case ProfilerEvent.TYPE_FETCH:
msgBuf.append("FETCH");
break;
case ProfilerEvent.TYPE_OBJECT_CREATION:
msgBuf.append("CONSTRUCT");
break;
case ProfilerEvent.TYPE_PREPARE:
msgBuf.append("PREPARE");
break;
case ProfilerEvent.TYPE_QUERY:
msgBuf.append("QUERY");
break;
case ProfilerEvent.TYPE_WARN:
msgBuf.append("WARN");
break;
case ProfilerEvent.TYPE_SLOW_QUERY:
msgBuf.append("SLOW QUERY");
break;
default:
msgBuf.append("UNKNOWN");
}
msgBuf.append("] ");
msgBuf.append(locationInformation);
msgBuf.append(" duration: ");
msgBuf.append(evt.getEventDuration());
msgBuf.append(" ");
msgBuf.append(evt.getDurationUnits());
msgBuf.append(", connection-id: ");
msgBuf.append(evt.getConnectionId());
msgBuf.append(", statement-id: ");
msgBuf.append(evt.getStatementId());
msgBuf.append(", resultset-id: ");
msgBuf.append(evt.getResultSetId());
String evtMessage = evt.getMessage();
if (evtMessage != null) {
msgBuf.append(", message: ");
msgBuf.append(evtMessage);
}
return msgBuf;
}
return possibleProfilerEvent;
}
public static String findCallingClassAndMethod(Throwable t) {
String stackTraceAsString = Util.stackTraceToString(t);
String callingClassAndMethod = CALLER_INFORMATION_NOT_AVAILABLE;
int endInternalMethods = Math.max(Math.max(stackTraceAsString.lastIndexOf("com.mysql.cj"), stackTraceAsString.lastIndexOf("com.mysql.cj.core")),
stackTraceAsString.lastIndexOf("com.mysql.cj.jdbc"));
if (endInternalMethods != -1) {
int endOfLine = stackTraceAsString.indexOf(LINE_SEPARATOR, endInternalMethods);
if (endOfLine != -1) {
int nextEndOfLine = stackTraceAsString.indexOf(LINE_SEPARATOR, endOfLine + LINE_SEPARATOR_LENGTH);
callingClassAndMethod = nextEndOfLine != -1 ? stackTraceAsString.substring(endOfLine + LINE_SEPARATOR_LENGTH, nextEndOfLine)
: stackTraceAsString.substring(endOfLine + LINE_SEPARATOR_LENGTH);
}
}
if (!callingClassAndMethod.startsWith("\tat ") && !callingClassAndMethod.startsWith("at ")) {
return "at " + callingClassAndMethod;
}
return callingClassAndMethod;
}
}