first commit, humble beginnings

This commit is contained in:
Sander Hautvast 2023-07-21 17:51:08 +02:00
parent 6b6b291ddf
commit db2f7be460
19 changed files with 1397 additions and 0 deletions

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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

BIN
.mvn/wrapper/maven-wrapper.jar vendored Normal file

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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.3/apache-maven-3.9.3-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

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#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.2.0
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /usr/local/etc/mavenrc ] ; then
. /usr/local/etc/mavenrc
fi
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "$(uname)" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
else
JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=$(java-config --jre-home)
fi
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="$(which javac)"
if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=$(which readlink)
if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
if $darwin ; then
javaHome="$(dirname "\"$javaExecutable\"")"
javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
else
javaExecutable="$(readlink -f "\"$javaExecutable\"")"
fi
javaHome="$(dirname "\"$javaExecutable\"")"
javaHome=$(expr "$javaHome" : '\(.*\)/bin')
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=$(cd "$wdir/.." || exit 1; pwd)
fi
# end of workaround
done
printf '%s' "$(cd "$basedir" || exit 1; pwd)"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
# Remove \r in case we run on Windows within Git Bash
# and check out the repository with auto CRLF management
# enabled. Otherwise, we may read lines that are delimited with
# \r\n and produce $'-Xarg\r' rather than -Xarg due to word
# splitting rules.
tr -s '\r\n' ' ' < "$1"
fi
}
log() {
if [ "$MVNW_VERBOSE" = true ]; then
printf '%s\n' "$1"
fi
}
BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
log "$MAVEN_PROJECTBASEDIR"
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
if [ -r "$wrapperJarPath" ]; then
log "Found $wrapperJarPath"
else
log "Couldn't find $wrapperJarPath, downloading it ..."
if [ -n "$MVNW_REPOURL" ]; then
wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
else
wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
fi
while IFS="=" read -r key value; do
# Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
safeValue=$(echo "$value" | tr -d '\r')
case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
log "Downloading from: $wrapperUrl"
if $cygwin; then
wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
fi
if command -v wget > /dev/null; then
log "Found wget ... using wget"
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
else
wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
fi
elif command -v curl > /dev/null; then
log "Found curl ... using curl"
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
else
curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
fi
else
log "Falling back to using Java to download"
javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
# For Cygwin, switch paths to Windows format before running javac
if $cygwin; then
javaSource=$(cygpath --path --windows "$javaSource")
javaClass=$(cygpath --path --windows "$javaClass")
fi
if [ -e "$javaSource" ]; then
if [ ! -e "$javaClass" ]; then
log " - Compiling MavenWrapperDownloader.java ..."
("$JAVA_HOME/bin/javac" "$javaSource")
fi
if [ -e "$javaClass" ]; then
log " - Running MavenWrapperDownloader.java ..."
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
# If specified, validate the SHA-256 sum of the Maven wrapper jar file
wrapperSha256Sum=""
while IFS="=" read -r key value; do
case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
if [ -n "$wrapperSha256Sum" ]; then
wrapperSha256Result=false
if command -v sha256sum > /dev/null; then
if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
wrapperSha256Result=true
fi
elif command -v shasum > /dev/null; then
if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
wrapperSha256Result=true
fi
else
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
exit 1
fi
if [ $wrapperSha256Result = false ]; then
echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
exit 1
fi
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
fi
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
# shellcheck disable=SC2086 # safe args
exec "$JAVACMD" \
$MAVEN_OPTS \
$MAVEN_DEBUG_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

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@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Apache Maven Wrapper startup batch script, version 3.2.0
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %WRAPPER_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file
SET WRAPPER_SHA_256_SUM=""
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B
)
IF NOT %WRAPPER_SHA_256_SUM%=="" (
powershell -Command "&{"^
"$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^
"If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^
" Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^
" Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^
" Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^
" exit 1;"^
"}"^
"}"
if ERRORLEVEL 1 goto error
)
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% ^
%JVM_CONFIG_MAVEN_PROPS% ^
%MAVEN_OPTS% ^
%MAVEN_DEBUG_OPTS% ^
-classpath %WRAPPER_JAR% ^
"-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
%WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%"=="on" pause
if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
cmd /C exit /B %ERROR_CODE%

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>nl.sander</groupId>
<artifactId>Apples</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Comparator</name>
<description>Comparator</description>
<dependencies>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>5.9.3</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.11.0</version>
<configuration>
<release>20</release>
<source>20</source>
<target>20</target>
<compilerArgs>--enable-preview</compilerArgs>
</configuration>
</plugin>
</plugins>
</build>
</project>

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package nl.sander.apples;
import java.util.Map;
public class Apples {
private final static Map<Character, String> CHAR_ESCAPES = Map.of('\t', "\\t", '\b', "\\b", '\n', "\\n", '\r', "\\r", '\f', "\\f", '\\', "\\\\");
public static Result compare(Object left, Object right) {
if (left == null) {
return Result.from(right == null, "null != " + asString(right));
}
if (right == null) {
return Result.unequal(asString(left) + " != null");
}
if (left == right) {
return Result.SAME;
}
if (left.getClass() != right.getClass()) {
return Result.unequal(asString(left) + " != " + asString(right));
}
return Result.SAME;
}
public static Result compare(long left, long right) {
return Result.from(left == right, left + " != " + right);
}
public static Result compare(Object left, long right) {
if (left == null) {
return Result.unequal("null != " + right);
}
return switch (left) {
case Long l -> Result.from(l == right, asString(left) + " != " + right);
case Integer i -> Result.from(i == right, asString(left) + " != " + right);
case Short s -> Result.from(s == right, asString(left) + " != " + right);
case Byte b -> Result.from(b == right, asString(left) + " != " + right);
default -> Result.unequal(asString(left) + " != " + right);
};
}
public static Result compare(char left, char right) {
return Result.from(left == right, asString(left) + " != " + asString(right));
}
public static Result compare(Object left, char right) {
return Result.from(left instanceof Character && (Character) left == right, asString(left) + " != " + asString(right));
}
public static Result compare(long left, Object right) {
if (right == null) {
return Result.unequal(left + " != null");
}
return switch (right) {
case Long l -> Result.from(l == left, left + " != " + asString(right));
case Integer i -> Result.from(i == left, left + " != " + asString(right));
case Short s -> Result.from(s == left, left + " != " + asString(right));
case Byte b -> Result.from(b == left, left + " != " + asString(right));
default -> Result.unequal(left + " != " + asString(right));
};
}
public static Result compare(char left, Object right) {
return Result.from(right instanceof Character && left == (Character) right, asString(left) + " != " + asString(right));
}
public static Result compare(boolean left, boolean right) {
return Result.from(left == right, left + " != " + right);
}
public static Result compare(Object left, boolean right) {
return Result.from(left instanceof Boolean && (Boolean) left == right, asString(left) + " != " + right);
}
public static Result compare(boolean left, Object right) {
return Result.from(right instanceof Boolean && left == (Boolean) right, left + " != " + asString(right));
}
public static Result compare(double left, double right) {
return Result.from(left == right, left + " != " + right);
}
public static Result compare(double left, double right, int precision) {
return Result.from((int) (left * Math.pow(10, precision)) == (int) (right * Math.pow(10, precision)), left + " != " + right + ", using precision" + precision);
}
public static Result compare(Object left, double right) {
return Result.from(left instanceof Double && (Double) left == right, asString(left) + " != " + right);
}
public static Result compare(double left, Object right) {
return Result.from(right instanceof Double && left == (Double) right, left + " != " + asString(right));
}
public static Result compare(float left, Object right) {
return Result.from(right instanceof Float && left == (Float) right, left + " != " + asString(right));
}
private static String asString(char value) {
if (CHAR_ESCAPES.containsKey(value)) {
return "'" + CHAR_ESCAPES.get(value) + "'";
} else if (value < 32) {
return String.format("'\\u%04d'", (int) value);
} else {
return "'" + value + "'";
}
}
private static String asString(Object value) {
if (value == null) {
return "null";
}
if (value instanceof String) {
return "\"" + value + "\"";
}
if (value instanceof Character) {
return asString((char) value);
} else {
return value.getClass().getName() + ": " + value;
}
}
}

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package nl.sander.apples;
import java.util.List;
public record Result(boolean areEqual, List<String> diffs) {
public static Result SAME = new Result(true, List.of());
public static Result from(boolean areEqual, String message) {
if (!areEqual) {
return new Result(areEqual, List.of(message));
} else {
return SAME;
}
}
public static Result unequal(String message) {
return from(false, message);
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class BooleansTest {
@Test
void falseEqualsFalse() {
assertTrue(Apples.compare(false, false).areEqual());
}
@Test
void falseEqualsBooleanFalse() {
assertTrue(Apples.compare(false, Boolean.FALSE).areEqual());
}
@Test
void trueEqualsBooleanTrue() {
assertTrue(Apples.compare(true, Boolean.TRUE).areEqual());
}
@Test
void trueEqualsTrue() {
assertTrue(Apples.compare(true, true).areEqual());
}
@Test
void falseNotEqualsTrue() {
assertEquals(Result.unequal("false != true"), Apples.compare(false, true));
}
@Test
void trueNotEqualsFalse() {
assertEquals(Result.unequal("true != false"), Apples.compare(true, false));
}
@Test
void falseNotEqualsTrueBoolean() {
assertEquals(Result.unequal("false != java.lang.Boolean: true"), Apples.compare(false, Boolean.valueOf(true)));
}
@Test
void trueNotEqualsFalseBoolean() {
assertEquals(Result.unequal("true != java.lang.Boolean: false"), Apples.compare(true, Boolean.valueOf(false)));
}
@Test
void falseBooleanNotEqualsTrue() {
assertEquals(Result.unequal("java.lang.Boolean: false != true"), Apples.compare(Boolean.valueOf(false), true));
}
@Test
void trueBooleanNotEqualsFalse() {
assertEquals(Result.unequal("java.lang.Boolean: true != false"), Apples.compare(Boolean.valueOf(true), false));
}
@Test
void nullNotEqualsTrue() {
assertEquals(Result.unequal("null != true"), Apples.compare(null, true));
}
@Test
void nullNotEqualsFalse() {
assertEquals(Result.unequal("null != false"), Apples.compare(null, false));
}
@Test
void trueNotEqualsNull() {
assertEquals(Result.unequal("true != null"), Apples.compare(true, null));
}
@Test
void falseNotEqualsNull() {
assertEquals(Result.unequal("false != null"), Apples.compare(false, null));
}
@Test
void trueNotEqualsString() {
assertEquals(Result.unequal("true != \"true\""), Apples.compare(true, "true"));
}
@Test
void StringNotEqualsFalse() {
assertEquals(Result.unequal("\"false\" != false"), Apples.compare("false", false));
}
@Test
void nullNotEqualsTrueBoolean() {
assertEquals(Result.unequal("null != java.lang.Boolean: true"), Apples.compare(null, Boolean.TRUE));
}
@Test
void nullNotEqualsFalseBoolean() {
assertEquals(Result.unequal("null != java.lang.Boolean: false"), Apples.compare(null, Boolean.FALSE));
}
@Test
void trueBooleanNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Boolean: true != null"), Apples.compare(Boolean.TRUE, null));
}
@Test
void falseBooleanNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Boolean: false != null"), Apples.compare(Boolean.FALSE, null));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class BytesTest {
@Test
void nilEqualsNil() {
assertEquals(Result.SAME, Apples.compare((byte) 0, (byte) 0));
}
@Test
void nilNotEqualsSome() {
assertEquals(Result.unequal("0 != 1"), Apples.compare((byte) 0, (byte) 1));
}
@Test
void OneNotEqualsNil() {
assertEquals(Result.unequal("1 != 0"), Apples.compare((byte) 1, (byte) 0));
}
@Test
void nilByteNotEqualsOne() {
assertEquals(Result.unequal("java.lang.Byte: 0 != 1"), Apples.compare(Byte.valueOf((byte) 0), (byte) 1));
}
@Test
void nilNotEqualsOneByte() {
assertEquals(Result.unequal("0 != java.lang.Byte: 1"), Apples.compare((byte) 0, Byte.valueOf((byte) 1)));
}
@Test
void nullNotEqualsNilByte() {
assertEquals(Result.unequal("null != java.lang.Byte: 0"), Apples.compare(null, Byte.valueOf((byte) 0)));
}
@Test
void nullNotEqualsNil() {
assertEquals(Result.unequal("null != 0"), Apples.compare(null, (byte) 0));
}
@Test
void nilByteNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Byte: 0 != null"), Apples.compare(Byte.valueOf((byte) 0), null));
}
@Test
void nilNotEqualsNull() {
assertEquals(Result.unequal("0 != null"), Apples.compare((byte) 0, null));
}
@Test
void byteNotEqualsString() {
assertEquals(Result.unequal("0 != \"true\""), Apples.compare((byte) 0, "true"));
}
@Test
void StringNotEqualsByte() {
assertEquals(Result.unequal("\"false\" != 0"), Apples.compare("false", (byte) 0));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class CharsTest {
@Test
void nilEqualsNil() {
assertTrue(Apples.compare((char) 0, (char) 0).areEqual());
}
@Test
void nilNotEqualsSome() {
assertEquals(Result.unequal("'A' != 'B'"),Apples.compare('A', 'B'));
}
@Test
void SomeNotEqualsNil() {
assertEquals(Result.unequal("'\\u0001' != '\\u0000'"),Apples.compare((char) 1, (char) 0));
}
@Test
void charEqualsCharacter() {
assertTrue(Apples.compare(Character.valueOf('X'), 'X').areEqual());
}
@Test
void nilNotEqualsOneCharacter() {
assertEquals(Result.unequal("'\\u0000' != '\\u0001'"),Apples.compare((char) 0, Character.valueOf((char) 1)));
}
@Test
void nullNotEqualsNilCharacter() {
assertEquals(Result.unequal("null != '\\u0000'"),Apples.compare(null, Character.valueOf((char) 0)));
}
@Test
void nullNotEqualsChar() {
assertEquals(Result.unequal("null != '\\u0000'"),Apples.compare(null, (char) 0));
}
@Test
void nilCharacterNotEqualsNull() {
assertEquals(Result.unequal("'\\u0000' != null"),Apples.compare(Character.valueOf((char) 0), null));
}
@Test
void charNotEqualsNull() {
assertEquals(Result.unequal("'\\u0000' != null"),Apples.compare((char) 0, null));
}
@Test
void charNotEqualsString() {
assertEquals(Result.unequal("'\\u0000' != \"true\""),Apples.compare((char)0, "true"));
}
@Test
void StringNotEqualsChar() {
assertEquals(Result.unequal("\"false\" != '\\u0000'"),Apples.compare("false", (char)0));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class DoublesTest {
@Test
void floatImprecisionLeft() {
assertTrue(Apples.compare(2 / 3.0, 0.66, 2).areEqual(), (2 / 3) + " != " + 0.66);
}
@Test
void floatImprecisionRight() {
assertTrue(Apples.compare(0.66, 2 / 3D, 2).areEqual(), (2 / 3D) + " != " + 0.66);
}
@Test
void nilFEqualsNilF() {
assertTrue(Apples.compare(0.0, .0).areEqual());
}
@Test
void nilFEqualsNilL() {
assertTrue(Apples.compare(0.0, 0L).areEqual());
}
@Test
void nilEqualsNilF() {
assertTrue(Apples.compare(0L, 0.0).areEqual());
}
@Test
void nullNotEqualsSome() {
assertEquals(Result.unequal("0.0 != 1.0"), Apples.compare(0.0, 1.0F));
}
@Test
void SomeNotEqualsNull() {
assertEquals(Result.unequal("1.0 != 0.0"), Apples.compare(1.0, .0));
}
@Test
void nilDoubleNotEqualsOne() {
assertEquals(Result.unequal("java.lang.Double: 0.0 != 1.0"), Apples.compare(Double.valueOf(0), 1F));
}
@Test
void nilNotEqualsOneDouble() {
assertEquals(Result.unequal("0.0 != java.lang.Double: 1.0"), Apples.compare(0F, Double.valueOf(1)));
}
@Test
void nullNotEqualsNilDouble() {
assertEquals(Result.unequal("null != java.lang.Double: 0.0"), Apples.compare(null, Double.valueOf(0)));
}
@Test
void nullNotEqualsNil() {
assertEquals(Result.unequal("null != 0.0"), Apples.compare(null, .0));
}
@Test
void nilDoubleNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Double: 0.0 != null"), Apples.compare(Double.valueOf(0), null));
}
@Test
void nilNotEqualsNull() {
assertEquals(Result.unequal("0.0 != null"), Apples.compare(.0, null));
}
@Test
void doubleNotEqualsString() {
assertEquals(Result.unequal("0.0 != \"0\""), Apples.compare(.0, "0"));
}
@Test
void StringNotEqualsDouble() {
assertEquals(Result.unequal("\"0\" != 0.0"), Apples.compare("0", .0));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
@SuppressWarnings("ConstantValue")
class FloatsTest {
@Test
void floatImprecisionLeft() {
assertTrue(Apples.compare(2 / 3F, 0.66F, 2).areEqual(), (2 / 3F) + " != " + 0.66F);
}
@Test
void floatImprecisionRight() {
assertTrue(Apples.compare(0.66F, 2 / 3F, 2).areEqual(), (2 / 3F) + " != " + 0.66F);
}
@Test
void nilFEqualsNilF() {
assertTrue(Apples.compare(0F, 0F).areEqual());
}
@Test
void nilFEqualsNilFloat() {
assertTrue(Apples.compare(0F, Float.valueOf(0)).areEqual());
}
@Test
void nilFEqualsNilL() {
assertTrue(Apples.compare(0F, 0L).areEqual());
}
@Test
void nilEqualsNilF() {
assertTrue(Apples.compare(0L, 0F).areEqual());
}
@Test
void nullNotEqualsSome() {
assertEquals(Result.unequal("0.0 != 1.0"), Apples.compare(0F, 1F));
}
@Test
void SomeNotEqualsNull() {
assertEquals(Result.unequal("1.0 != 0.0"), Apples.compare(1F, 0F));
}
@Test
void nilByteNotEqualsOne() {
assertEquals(Result.unequal("java.lang.Float: 0.0 != 1.0"), Apples.compare(Float.valueOf(0), 1F));
}
@Test
void nilNotEqualsOneByte() {
assertEquals(Result.unequal("0.0 != java.lang.Float: 1.0"), Apples.compare(0F, Float.valueOf(1)));
}
@Test
void nullNotEqualsNilFloat() {
assertEquals(Result.unequal("null != java.lang.Float: 0.0"), Apples.compare(null, Float.valueOf(0)));
}
@Test
void nullNotEqualsNil() {
assertEquals(Result.unequal("null != 0.0"), Apples.compare(null, 0F));
}
@Test
void nilFloatNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Float: 0.0 != null"), Apples.compare(Float.valueOf(0), null));
}
@Test
void nilNotEqualsNull() {
assertEquals(Result.unequal("0.0 != null"), Apples.compare(0F, null));
}
@Test
void floatNotEqualsString() {
assertEquals(Result.unequal("0.0 != \"true\""), Apples.compare(0F, "true"));
}
@Test
void StringNotEqualsFloat() {
assertEquals(Result.unequal("\"false\" != 0.0"), Apples.compare("false", 0F));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class IntsTest {
@Test
void nilEqualsNil() {
assertEquals(Result.SAME, Apples.compare(0, 0));
}
@Test
void nilEqualsNilInteger() {
assertEquals(Result.SAME, Apples.compare(0, Integer.valueOf(0)));
}
@Test
void nilIntegerEqualsNil() {
assertEquals(Result.SAME, Apples.compare(Integer.valueOf(0), 0));
}
@Test
void nullNotEqualsSome() {
assertEquals(Result.unequal("0 != 1"), Apples.compare(0, 1));
}
@Test
void SomeNotEqualsNull() {
assertEquals(Result.unequal("1 != 0"), Apples.compare(1, 0));
}
@Test
void nilByteNotEqualsOne() {
assertEquals(Result.unequal("java.lang.Integer: 0 != 1"), Apples.compare(Integer.valueOf(0), 1));
}
@Test
void nilNotEqualsOneByte() {
assertEquals(Result.unequal("0 != java.lang.Integer: 1"), Apples.compare(0, Integer.valueOf(1)));
}
@Test
void nullNotEqualsNilByte() {
assertEquals(Result.unequal("null != java.lang.Integer: 0"), Apples.compare(null, Integer.valueOf(0)));
}
@Test
void nullNotEqualsNil() {
assertEquals(Result.unequal("null != 0"), Apples.compare(null, 0));
}
@Test
void nilByteNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Integer: 0 != null"), Apples.compare(Integer.valueOf(0), null));
}
@Test
void nilNotEqualsNull() {
assertEquals(Result.unequal("0 != null"), Apples.compare(0, null));
}
@Test
void intNotEqualsString() {
assertEquals(Result.unequal("0 != \"true\""), Apples.compare(0, "true"));
}
@Test
void StringNotEqualsInt() {
assertEquals(Result.unequal("\"0\" != 0"), Apples.compare("0", 0));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class LongsTest {
@Test
void nullEqualsNull() {
assertEquals(Result.SAME, Apples.compare(0, 0));
}
@Test
void nullNotEqualsSome() {
assertEquals(Result.unequal("0 != 1"), Apples.compare(0, 1));
}
@Test
void SomeNotEqualsNull() {
assertEquals(Result.unequal("1 != 0"), Apples.compare(1, 0));
}
@Test
void nilLongNotEqualsOne() {
assertEquals(Result.unequal("java.lang.Long: 0 != 1"), Apples.compare(Long.valueOf(0), 1));
}
@Test
void nilNotEqualsOneLong() {
assertEquals(Result.unequal("0 != java.lang.Long: 1"), Apples.compare(0, Long.valueOf(1)));
}
@Test
void nilEqualsNilLong() {
assertTrue(Apples.compare(0, Long.valueOf(0)).areEqual());
}
@Test
void nullNotEqualsNilLong() {
assertEquals(Result.unequal("null != java.lang.Long: 0"), Apples.compare(null, Long.valueOf(0)));
}
@Test
void nullNotEqualsNil() {
assertEquals(Result.unequal("null != 0"), Apples.compare(null, 0));
}
@Test
void nilLongNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Long: 0 != null"), Apples.compare(Long.valueOf(0), null));
}
@Test
void nilNotEqualsNull() {
assertEquals(Result.unequal("0 != null"), Apples.compare(0, null));
}
@Test
void longNotEqualsString() {
assertEquals(Result.unequal("0 != \"0\""), Apples.compare(0, "0"));
}
@Test
void StringNotEqualsLong() {
assertEquals(Result.unequal("\"false\" != 0"), Apples.compare("false", 0));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class ObjectsTest {
@Test
void nullEqualsNull() {
assertTrue(Apples.compare(null, null).areEqual());
}
@Test
void nullNotEqualsSome() {
assertEquals(Result.unequal("null != \"some\""), Apples.compare(null, "some"));
}
@Test
void SomeNotEqualsNull() {
assertEquals(Result.unequal("\"some\" != null"), Apples.compare("some", null));
}
@Test
void differentClass(){
assertEquals(Result.unequal("\"1\" != java.lang.Integer: 1"), Apples.compare("1", Integer.valueOf(1)));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class ShortsTest {
@Test
void nullEqualsNull() {
assertTrue(Apples.compare((short) 0, (short) 0).areEqual());
}
@Test
void nullEqualsNullShort() {
assertTrue(Apples.compare((short) 0, Short.valueOf((short) 0)).areEqual());
}
@Test
void nullShortEqualsNull() {
assertTrue(Apples.compare(Short.valueOf((short) 0), (short) 0).areEqual());
}
@Test
void nullNotEqualsSome() {
assertEquals(Result.unequal("0 != 1"), Apples.compare((short) 0, (short) 1));
}
@Test
void SomeNotEqualsNull() {
assertEquals(Result.unequal("1 != 0"), Apples.compare((short) 1, (short) 0));
}
@Test
void nilshortNotEqualsOne() {
assertEquals(Result.unequal("java.lang.Short: 0 != 1"), Apples.compare(Short.valueOf((short) 0), (short) 1));
}
@Test
void nilNotEqualsOneshort() {
assertEquals(Result.unequal("0 != java.lang.Short: 1"), Apples.compare((short) 0, Short.valueOf((short) 1)));
}
@Test
void nullNotEqualsNilshort() {
assertEquals(Result.unequal("null != java.lang.Short: 0"), Apples.compare(null, Short.valueOf((short) 0)));
}
@Test
void nullNotEqualsNil() {
assertEquals(Result.unequal("null != 0"), Apples.compare(null, (short) 0));
}
@Test
void nilshortNotEqualsNull() {
assertEquals(Result.unequal("java.lang.Short: 0 != null"), Apples.compare(Short.valueOf((short) 0), null));
}
@Test
void nilNotEqualsNull() {
assertEquals(Result.unequal("0 != null"), Apples.compare((short) 0, null));
}
@Test
void shortNotEqualsString() {
assertEquals(Result.unequal("0 != \"true\""), Apples.compare((short) 0, "true"));
}
@Test
void StringNotEqualsshort() {
assertEquals(Result.unequal("\"false\" != 0"), Apples.compare("false", (short) 0));
}
}

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package nl.sander.apples;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertTrue;
class StringTest {
@Test
void test() {
assertTrue(Apples.compare("left", "left").areEqual());
}
}