ExceptionUtil.java

package com.jsql.util;

import com.jsql.model.InjectionModel;
import com.jsql.util.bruter.HashUtil;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import javax.swing.*;
import java.lang.reflect.InvocationTargetException;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;

/**
 * Utility class managing exception reporting to GitHub.
 */
public class ExceptionUtil {
    
    private static final Logger LOGGER = LogManager.getRootLogger();
    
    private final InjectionModel injectionModel;
    
    private final Set<String> exceptionsMd5Cached = new CopyOnWriteArraySet<>();
    
    public ExceptionUtil(InjectionModel injectionModel) {
        
        this.injectionModel = injectionModel;
    }
    
    /**
     * Handler class processing errors on top of the JVM in order to send
     * a report to GitHub automatically.
     */
    public class ExceptionHandler implements Thread.UncaughtExceptionHandler {

        @Override
        public void uncaughtException(Thread thread, Throwable throwable) {
            
            LOGGER.log(
                LogLevelUtil.CONSOLE_JAVA,
                () -> String.format("Unhandled Exception on %s", thread.getName()),
                throwable
            );

            // Display to stdout
            LOGGER.log(
                Level.ERROR,
                () -> String.format("Unhandled Exception on %s", thread.getName()),
                throwable
            );

            // Report #214: ignore if OutOfMemoryError: Java heap space
            if (
                ExceptionUtil.this.injectionModel.getMediatorUtils().getPreferencesUtil().isReportingBugs()
                && ExceptionUtils.getStackTrace(throwable).contains("com.jsql")
                && !(throwable instanceof OutOfMemoryError)
                && !ExceptionUtils.getStackTrace(throwable).contains("OutOfMemoryError")  // when implicit
            ) {

                if (ExceptionUtils.getStackTrace(throwable).contains("Could not initialize class java.awt.Toolkit")) {

                    LOGGER.log(LogLevelUtil.CONSOLE_JAVA, "System libraries are missing, please use a proper Java runtime instead of headless runtime");
                    return;

                } else if (ExceptionUtils.getStackTrace(throwable).contains("Could not initialize class sun.awt.X11.XToolkit")) {

                    LOGGER.log(LogLevelUtil.CONSOLE_JAVA, "System libraries are missing or wrong DISPLAY variable, please verify your settings");
                    return;
                }

                try {
                    var md = MessageDigest.getInstance("Md5");

                    String stackTrace = ExceptionUtils.getStackTrace(throwable).trim();
                    var passwordString = String.valueOf(stackTrace.toCharArray());

                    byte[] passwordByte = passwordString.getBytes(StandardCharsets.UTF_8);
                    md.update(passwordByte, 0, passwordByte.length);

                    byte[] encodedPassword = md.digest();

                    var md5Exception = HashUtil.digestToHexString(encodedPassword);

                    if (!ExceptionUtil.this.exceptionsMd5Cached.contains(md5Exception)) {

                        ExceptionUtil.this.exceptionsMd5Cached.add(md5Exception);
                        ExceptionUtil.this.injectionModel.getMediatorUtils().getGitUtil().sendUnhandledException(
                            thread.getName(),
                            throwable
                        );
                    }
                } catch (NoSuchAlgorithmException e) {
                    LOGGER.log(LogLevelUtil.IGNORE, e);
                }
            }
        }
    }
    
    /**
     * Add the error reporting mechanism on top of the JVM in order to
     * intercept and process the error to GitHub.
     */
    public void setUncaughtExceptionHandler() {
        
        // Regular Exception
        Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler());

        // Event dispatching thread Exception
        try {
            SwingUtilities.invokeAndWait(() ->
                // We are in the event dispatching thread
                Thread.currentThread().setUncaughtExceptionHandler(new ExceptionHandler())
            );
        } catch (InvocationTargetException | InterruptedException e) {
            
            LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
            Thread.currentThread().interrupt();
        }
    }
}
















Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

Report generated by PIT 1.16.1

1		package com.jsql.util;
2
3		import com.jsql.model.InjectionModel;
4		import com.jsql.util.bruter.HashUtil;
5		import org.apache.commons.lang3.exception.ExceptionUtils;
6		import org.apache.logging.log4j.Level;
7		import org.apache.logging.log4j.LogManager;
8		import org.apache.logging.log4j.Logger;
9
10		import javax.swing.*;
11		import java.lang.reflect.InvocationTargetException;
12		import java.nio.charset.StandardCharsets;
13		import java.security.MessageDigest;
14		import java.security.NoSuchAlgorithmException;
15		import java.util.Set;
16		import java.util.concurrent.CopyOnWriteArraySet;
17
18		/**
19		* Utility class managing exception reporting to GitHub.
20		*/
21		public class ExceptionUtil {
22
23		private static final Logger LOGGER = LogManager.getRootLogger();
24
25		private final InjectionModel injectionModel;
26
27		private final Set<String> exceptionsMd5Cached = new CopyOnWriteArraySet<>();
28
29		public ExceptionUtil(InjectionModel injectionModel) {
30
31		this.injectionModel = injectionModel;
32		}
33
34		/**
35		* Handler class processing errors on top of the JVM in order to send
36		* a report to GitHub automatically.
37		*/
38		public class ExceptionHandler implements Thread.UncaughtExceptionHandler {
39
40		@Override
41		public void uncaughtException(Thread thread, Throwable throwable) {
42
43		LOGGER.log(
44		LogLevelUtil.CONSOLE_JAVA,
45	1 1. lambda$uncaughtException$0 : replaced return value with null for com/jsql/util/ExceptionUtil$ExceptionHandler::lambda$uncaughtException$0 → NO_COVERAGE	() -> String.format("Unhandled Exception on %s", thread.getName()),
46		throwable
47		);
48
49		// Display to stdout
50		LOGGER.log(
51		Level.ERROR,
52	1 1. lambda$uncaughtException$1 : replaced return value with null for com/jsql/util/ExceptionUtil$ExceptionHandler::lambda$uncaughtException$1 → NO_COVERAGE	() -> String.format("Unhandled Exception on %s", thread.getName()),
53		throwable
54		);
55
56		// Report #214: ignore if OutOfMemoryError: Java heap space
57		if (
58	1 1. uncaughtException : negated conditional → NO_COVERAGE	ExceptionUtil.this.injectionModel.getMediatorUtils().getPreferencesUtil().isReportingBugs()
59	2 1. uncaughtException : negated conditional → NO_COVERAGE 2. uncaughtException : negated conditional → NO_COVERAGE	&& ExceptionUtils.getStackTrace(throwable).contains("com.jsql")
60		&& !(throwable instanceof OutOfMemoryError)
61	1 1. uncaughtException : negated conditional → NO_COVERAGE	&& !ExceptionUtils.getStackTrace(throwable).contains("OutOfMemoryError") // when implicit
62		) {
63
64	1 1. uncaughtException : negated conditional → NO_COVERAGE	if (ExceptionUtils.getStackTrace(throwable).contains("Could not initialize class java.awt.Toolkit")) {
65
66		LOGGER.log(LogLevelUtil.CONSOLE_JAVA, "System libraries are missing, please use a proper Java runtime instead of headless runtime");
67		return;
68
69	1 1. uncaughtException : negated conditional → NO_COVERAGE	} else if (ExceptionUtils.getStackTrace(throwable).contains("Could not initialize class sun.awt.X11.XToolkit")) {
70
71		LOGGER.log(LogLevelUtil.CONSOLE_JAVA, "System libraries are missing or wrong DISPLAY variable, please verify your settings");
72		return;
73		}
74
75		try {
76		var md = MessageDigest.getInstance("Md5");
77
78		String stackTrace = ExceptionUtils.getStackTrace(throwable).trim();
79		var passwordString = String.valueOf(stackTrace.toCharArray());
80
81		byte[] passwordByte = passwordString.getBytes(StandardCharsets.UTF_8);
82	1 1. uncaughtException : removed call to java/security/MessageDigest::update → NO_COVERAGE	md.update(passwordByte, 0, passwordByte.length);
83
84		byte[] encodedPassword = md.digest();
85
86		var md5Exception = HashUtil.digestToHexString(encodedPassword);
87
88	1 1. uncaughtException : negated conditional → NO_COVERAGE	if (!ExceptionUtil.this.exceptionsMd5Cached.contains(md5Exception)) {
89
90		ExceptionUtil.this.exceptionsMd5Cached.add(md5Exception);
91	1 1. uncaughtException : removed call to com/jsql/util/GitUtil::sendUnhandledException → NO_COVERAGE	ExceptionUtil.this.injectionModel.getMediatorUtils().getGitUtil().sendUnhandledException(
92		thread.getName(),
93		throwable
94		);
95		}
96		} catch (NoSuchAlgorithmException e) {
97		LOGGER.log(LogLevelUtil.IGNORE, e);
98		}
99		}
100		}
101		}
102
103		/**
104		* Add the error reporting mechanism on top of the JVM in order to
105		* intercept and process the error to GitHub.
106		*/
107		public void setUncaughtExceptionHandler() {
108
109		// Regular Exception
110	1 1. setUncaughtExceptionHandler : removed call to java/lang/Thread::setDefaultUncaughtExceptionHandler → NO_COVERAGE	Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler());
111
112		// Event dispatching thread Exception
113		try {
114	1 1. setUncaughtExceptionHandler : removed call to javax/swing/SwingUtilities::invokeAndWait → NO_COVERAGE	SwingUtilities.invokeAndWait(() ->
115		// We are in the event dispatching thread
116	1 1. lambda$setUncaughtExceptionHandler$0 : removed call to java/lang/Thread::setUncaughtExceptionHandler → NO_COVERAGE	Thread.currentThread().setUncaughtExceptionHandler(new ExceptionHandler())
117		);
118		} catch (InvocationTargetException \| InterruptedException e) {
119
120		LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
121	1 1. setUncaughtExceptionHandler : removed call to java/lang/Thread::interrupt → NO_COVERAGE	Thread.currentThread().interrupt();
122		}
123		}
124		}
		Mutations
45		1.1 Location : lambda$uncaughtException$0 Killed by : none replaced return value with null for com/jsql/util/ExceptionUtil$ExceptionHandler::lambda$uncaughtException$0 → NO_COVERAGE
52		1.1 Location : lambda$uncaughtException$1 Killed by : none replaced return value with null for com/jsql/util/ExceptionUtil$ExceptionHandler::lambda$uncaughtException$1 → NO_COVERAGE
58		1.1 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE
59		1.1 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE 2.2 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE
61		1.1 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE
64		1.1 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE
69		1.1 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE
82		1.1 Location : uncaughtException Killed by : none removed call to java/security/MessageDigest::update → NO_COVERAGE
88		1.1 Location : uncaughtException Killed by : none negated conditional → NO_COVERAGE
91		1.1 Location : uncaughtException Killed by : none removed call to com/jsql/util/GitUtil::sendUnhandledException → NO_COVERAGE
110		1.1 Location : setUncaughtExceptionHandler Killed by : none removed call to java/lang/Thread::setDefaultUncaughtExceptionHandler → NO_COVERAGE
114		1.1 Location : setUncaughtExceptionHandler Killed by : none removed call to javax/swing/SwingUtilities::invokeAndWait → NO_COVERAGE
116		1.1 Location : lambda$setUncaughtExceptionHandler$0 Killed by : none removed call to java/lang/Thread::setUncaughtExceptionHandler → NO_COVERAGE
121		1.1 Location : setUncaughtExceptionHandler Killed by : none removed call to java/lang/Thread::interrupt → NO_COVERAGE

ExceptionUtil.java

Mutations

Active mutators

Tests examined