1 /*
2 * This file is part of AceLogger.
3 *
4 * AceLogger is free software: you can redistribute it and/or modify it under the terms of the GNU
5 * Lesser General Public License as published by the Free Software Foundation, either version 3 of
6 * the License, or (at your option) any later version.
7 *
8 * AceLogger is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
9 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * You should have received a copy of the GNU Lesser General Public License along with AceLogger.
13 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
14 */
15 package net.sourceforge.acelogger.location.resolver;
16
17 import net.sourceforge.acelogger.Logger;
18
19 /**
20 * An implementation of CodeFrameResolver that finds the first call out of our packages.
21 *
22 * @author Zardi (https://sourceforge.net/users/daniel_zardi)
23 * @version 1.0.0
24 * @since 1.0.0
25 */
26 public class UserCodeFrameResolver extends BaseCodeFrameResolver {
27
28 /**
29 * The suffix of the our packages.
30 */
31 private static final String LOGGER_PACKAGE = Logger.class.getPackage().getName();
32
33 /** {@inheritDoc} */
34 public StackTraceElement getCodeFrame(Thread currentThread) {
35 StackTraceElement[] stackTrace = currentThread.getStackTrace();
36 int userCodeCallIndex = 0;
37 for (int i = 0; i < stackTrace.length; i++) {
38 String frameClassName = stackTrace[i].getClassName();
39 if (!frameClassName.startsWith("java.util.concurrent")
40 && !frameClassName.startsWith("java.lang.Thread")
41 && !frameClassName.startsWith(LOGGER_PACKAGE)) {
42 userCodeCallIndex = i;
43 break;
44 }
45 }
46 return stackTrace[userCodeCallIndex];
47 }
48
49 }