/*
* Copyright (c) 2005, 2019, 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;
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
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;
}
}