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tkawachitkawachi
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prototype
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‎build.gradle

+1
Original file line numberDiff line numberDiff line change
@@ -10,5 +10,6 @@ repositories {
1010
}
1111

1212
dependencies {
13+
compile 'ch.qos.logback:logback-classic:1.1.7'
1314
testCompile group: 'junit', name: 'junit', version: '4.11'
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}

‎gradlew

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#!/usr/bin/env bash
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##############################################################################
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##
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## Gradle start up script for UN*X
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##
7+
##############################################################################
8+
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# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10+
DEFAULT_JVM_OPTS=""
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APP_NAME="Gradle"
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APP_BASE_NAME=`basename "$0"`
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# Use the maximum available, or set MAX_FD != -1 to use that value.
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MAX_FD="maximum"
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warn ( ) {
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echo "$*"
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}
21+
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die ( ) {
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echo
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echo "$*"
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echo
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exit 1
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}
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# OS specific support (must be 'true' or 'false').
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cygwin=false
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msys=false
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darwin=false
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case "`uname`" in
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CYGWIN* )
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cygwin=true
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;;
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Darwin* )
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darwin=true
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;;
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MINGW* )
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msys=true
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;;
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esac
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# Attempt to set APP_HOME
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# Resolve links: $0 may be a link
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PRG="$0"
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# Need this for relative symlinks.
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while [ -h "$PRG" ] ; do
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ls=`ls -ld "$PRG"`
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link=`expr "$ls" : '.*-> \(.*\)$'`
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if expr "$link" : '/.*' > /dev/null; then
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PRG="$link"
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else
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PRG=`dirname "$PRG"`"/$link"
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fi
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done
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SAVED="`pwd`"
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cd "`dirname \"$PRG\"`/" >/dev/null
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APP_HOME="`pwd -P`"
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cd "$SAVED" >/dev/null
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CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
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# Determine the Java command to use to start the JVM.
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if [ -n "$JAVA_HOME" ] ; then
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if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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# IBM's JDK on AIX uses strange locations for the executables
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JAVACMD="$JAVA_HOME/jre/sh/java"
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else
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JAVACMD="$JAVA_HOME/bin/java"
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fi
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if [ ! -x "$JAVACMD" ] ; then
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die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
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Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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else
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JAVACMD="java"
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which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
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Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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# Increase the maximum file descriptors if we can.
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if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
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MAX_FD_LIMIT=`ulimit -H -n`
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if [ $? -eq 0 ] ; then
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if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
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MAX_FD="$MAX_FD_LIMIT"
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fi
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ulimit -n $MAX_FD
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if [ $? -ne 0 ] ; then
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warn "Could not set maximum file descriptor limit: $MAX_FD"
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fi
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else
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warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
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fi
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fi
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# For Darwin, add options to specify how the application appears in the dock
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if $darwin; then
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GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
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fi
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# For Cygwin, switch paths to Windows format before running java
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if $cygwin ; then
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APP_HOME=`cygpath --path --mixed "$APP_HOME"`
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CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
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JAVACMD=`cygpath --unix "$JAVACMD"`
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# We build the pattern for arguments to be converted via cygpath
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ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
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SEP=""
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for dir in $ROOTDIRSRAW ; do
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ROOTDIRS="$ROOTDIRS$SEP$dir"
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SEP="|"
120+
done
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OURCYGPATTERN="(^($ROOTDIRS))"
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# Add a user-defined pattern to the cygpath arguments
123+
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124+
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125+
fi
126+
# Now convert the arguments - kludge to limit ourselves to /bin/sh
127+
i=0
128+
for arg in "$@" ; do
129+
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130+
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131+
132+
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133+
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134+
else
135+
eval `echo args$i`="\"$arg\""
136+
fi
137+
i=$((i+1))
138+
done
139+
case $i in
140+
(0) set -- ;;
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(1) set -- "$args0" ;;
142+
(2) set -- "$args0" "$args1" ;;
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(3) set -- "$args0" "$args1" "$args2" ;;
144+
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
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(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
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(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
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(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
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(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
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(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150+
esac
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fi
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# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154+
function splitJvmOpts() {
155+
JVM_OPTS=("$@")
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}
157+
eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158+
JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
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160+
exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

‎gradlew.bat

+90
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1+
@if "%DEBUG%" == "" @echo off
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@rem ##########################################################################
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@rem
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@rem Gradle startup script for Windows
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@rem
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@rem ##########################################################################
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8+
@rem Set local scope for the variables with windows NT shell
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if "%OS%"=="Windows_NT" setlocal
10+
11+
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12+
set DEFAULT_JVM_OPTS=
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14+
set DIRNAME=%~dp0
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if "%DIRNAME%" == "" set DIRNAME=.
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set APP_BASE_NAME=%~n0
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set APP_HOME=%DIRNAME%
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@rem Find java.exe
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if defined JAVA_HOME goto findJavaFromJavaHome
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set JAVA_EXE=java.exe
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%JAVA_EXE% -version >NUL 2>&1
24+
if "%ERRORLEVEL%" == "0" goto init
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echo.
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echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
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echo.
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echo Please set the JAVA_HOME variable in your environment to match the
30+
echo location of your Java installation.
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goto fail
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:findJavaFromJavaHome
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set JAVA_HOME=%JAVA_HOME:"=%
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set JAVA_EXE=%JAVA_HOME%/bin/java.exe
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if exist "%JAVA_EXE%" goto init
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echo.
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echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
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echo.
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echo Please set the JAVA_HOME variable in your environment to match the
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echo location of your Java installation.
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goto fail
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:init
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@rem Get command-line arguments, handling Windowz variants
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if not "%OS%" == "Windows_NT" goto win9xME_args
52+
if "%@eval[2+2]" == "4" goto 4NT_args
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:win9xME_args
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@rem Slurp the command line arguments.
56+
set CMD_LINE_ARGS=
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set _SKIP=2
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:win9xME_args_slurp
60+
if "x%~1" == "x" goto execute
61+
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set CMD_LINE_ARGS=%*
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goto execute
64+
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:4NT_args
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@rem Get arguments from the 4NT Shell from JP Software
67+
set CMD_LINE_ARGS=%$
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:execute
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@rem Setup the command line
71+
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set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
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@rem Execute Gradle
75+
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76+
77+
:end
78+
@rem End local scope for the variables with windows NT shell
79+
if "%ERRORLEVEL%"=="0" goto mainEnd
80+
81+
:fail
82+
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83+
rem the _cmd.exe /c_ return code!
84+
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85+
exit /b 1
86+
87+
:mainEnd
88+
if "%OS%"=="Windows_NT" endlocal
89+
90+
:omega

‎src/main/java/com/github/tkawachi/exhash/ExHashConverter.java

+89
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@@ -0,0 +1,89 @@
1+
package com.github.tkawachi.exhash;
2+
3+
import ch.qos.logback.classic.pattern.ClassicConverter;
4+
import ch.qos.logback.classic.spi.ILoggingEvent;
5+
import ch.qos.logback.classic.spi.IThrowableProxy;
6+
import ch.qos.logback.classic.spi.StackTraceElementProxy;
7+
import ch.qos.logback.core.CoreConstants;
8+
9+
import javax.xml.bind.DatatypeConverter;
10+
import java.io.UnsupportedEncodingException;
11+
import java.security.MessageDigest;
12+
import java.security.NoSuchAlgorithmException;
13+
import java.util.List;
14+
15+
public class ExHashConverter extends ClassicConverter {
16+
17+
private static final String UTF_8 = "UTF-8";
18+
private static final char SEPARATOR = '/';
19+
private static final String HASH_LINE_NUMBER_PREFIX = "hashLineNumber=";
20+
private static final String ALGORITHM_PREFIX = "algorithm=";
21+
22+
private String algorithm = "MD5";
23+
private boolean hashLineNumber = false;
24+
25+
@Override
26+
public void start() {
27+
final List<String> optionList = getOptionList();
28+
if (optionList != null) {
29+
for (final String option : optionList) {
30+
if (option == null) {
31+
continue;
32+
}
33+
if (option.startsWith(HASH_LINE_NUMBER_PREFIX)) {
34+
String value = option.substring(HASH_LINE_NUMBER_PREFIX.length());
35+
hashLineNumber = Boolean.valueOf(value);
36+
} else if (option.startsWith(ALGORITHM_PREFIX)) {
37+
algorithm = option.substring(ALGORITHM_PREFIX.length());
38+
}
39+
}
40+
}
41+
super.start();
42+
}
43+
44+
@Override
45+
public String convert(ILoggingEvent event) {
46+
final IThrowableProxy tp = event.getThrowableProxy();
47+
if (tp == null) {
48+
return CoreConstants.EMPTY_STRING;
49+
}
50+
51+
final StringBuilder buffer = new StringBuilder();
52+
appendStackTraceElements(tp, buffer);
53+
try {
54+
return hash(buffer.toString());
55+
} catch (NoSuchAlgorithmException e) {
56+
addError("Failed to get algorithm: " + algorithm, e);
57+
return CoreConstants.EMPTY_STRING;
58+
} catch (UnsupportedEncodingException e) {
59+
addError("Failed to encode StackTraceElement: " + UTF_8, e);
60+
return CoreConstants.EMPTY_STRING;
61+
}
62+
}
63+
64+
private void appendStackTraceElements(final IThrowableProxy tp, final StringBuilder buffer) {
65+
final StackTraceElementProxy[] elements = tp.getStackTraceElementProxyArray();
66+
for (final StackTraceElementProxy elem : elements) {
67+
final StackTraceElement ste = elem.getStackTraceElement();
68+
buffer.append(ste.getClassName())
69+
.append(SEPARATOR)
70+
.append(ste.getMethodName())
71+
.append(SEPARATOR);
72+
if (hashLineNumber) {
73+
buffer.append(ste.getLineNumber())
74+
.append(SEPARATOR);
75+
}
76+
}
77+
78+
final IThrowableProxy cause = tp.getCause();
79+
if (cause != null) {
80+
appendStackTraceElements(cause, buffer);
81+
}
82+
}
83+
84+
private String hash(final String string) throws NoSuchAlgorithmException, UnsupportedEncodingException {
85+
final MessageDigest md = MessageDigest.getInstance(algorithm);
86+
final byte[] hashBytes = md.digest(string.getBytes(UTF_8));
87+
return DatatypeConverter.printHexBinary(hashBytes);
88+
}
89+
}

‎src/test/java/com/github/tkawachi/exhash/ExHashConverterTest.java

+37
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
1+
package com.github.tkawachi.exhash;
2+
3+
import org.junit.Test;
4+
import org.slf4j.Logger;
5+
import org.slf4j.LoggerFactory;
6+
7+
import static org.junit.Assert.*;
8+
9+
public class ExHashConverterTest {
10+
private Logger logger = LoggerFactory.getLogger(ExHashConverterTest.class);
11+
12+
@Test
13+
public void testLog() {
14+
try {
15+
foo(1);
16+
} catch (RuntimeException e) {
17+
logger.info("Hello", e);
18+
}
19+
}
20+
21+
void foo(int i) {
22+
bar(i);
23+
}
24+
25+
void bar(int i) {
26+
baz(i);
27+
}
28+
29+
void baz(int i) {
30+
if (i == 1) {
31+
throw new RuntimeException("i == 1");
32+
}
33+
if (i == 2) {
34+
throw new RuntimeException("i == 2");
35+
}
36+
}
37+
}

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