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MySQL JDBC Type 4 driver
/*
Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
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 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.jdbc.log;
import com.mysql.jdbc.Util;
public class LogUtils {
public static final String CALLER_INFORMATION_NOT_AVAILABLE = "Caller information not available";
private static final String LINE_SEPARATOR = System.getProperty("line.separator");
private static final int LINE_SEPARATOR_LENGTH = LINE_SEPARATOR.length();
public static String findCallingClassAndMethod(Throwable t) {
String stackTraceAsString = Util.stackTraceToString(t);
String callingClassAndMethod = CALLER_INFORMATION_NOT_AVAILABLE;
int endInternalMethods = stackTraceAsString.lastIndexOf("com.mysql.jdbc");
if (endInternalMethods != -1) {
int endOfLine = -1;
int compliancePackage = stackTraceAsString.indexOf("com.mysql.jdbc.compliance", endInternalMethods);
if (compliancePackage != -1) {
endOfLine = compliancePackage - LINE_SEPARATOR_LENGTH;
} else {
endOfLine = stackTraceAsString.indexOf(LINE_SEPARATOR, endInternalMethods);
}
if (endOfLine != -1) {
int nextEndOfLine = stackTraceAsString.indexOf(LINE_SEPARATOR, endOfLine + LINE_SEPARATOR_LENGTH);
if (nextEndOfLine != -1) {
callingClassAndMethod = stackTraceAsString.substring(endOfLine + LINE_SEPARATOR_LENGTH, nextEndOfLine);
} else {
callingClassAndMethod = stackTraceAsString.substring(endOfLine + LINE_SEPARATOR_LENGTH);
}
}
}
if (!callingClassAndMethod.startsWith("\tat ") && !callingClassAndMethod.startsWith("at ")) {
return "at " + callingClassAndMethod;
}
return callingClassAndMethod;
}
}