first

.gitignore

@@ -0,0 +1,33 @@
+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/

.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed 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.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.1/apache-maven-3.8.1-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

mvnw

@@ -0,0 +1,310 @@
+#!/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.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   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 "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$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
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$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 $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$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="`which 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
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# 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/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$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 $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

@@ -0,0 +1,182 @@
+@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 Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@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 "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\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 DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_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 DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_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('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@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 "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\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%
+
+exit /B %ERROR_CODE%

pom.xml

@@ -0,0 +1,52 @@
+<?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>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.4.4</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.example</groupId>
+	<artifactId>demo</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>demo</name>
+	<description>Demo project for Spring Boot</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.bytedeco</groupId>
+			<artifactId>javacv</artifactId>
+			<version>1.4.4</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.bytedeco/javacv-platform -->
+		<dependency>
+			<groupId>org.bytedeco</groupId>
+			<artifactId>javacv-platform</artifactId>
+			<version>1.4.4</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+    </dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

src/main/java/com/example/demo/Configure/CorsConfig.java

@@ -0,0 +1,34 @@
+package com.example.demo.Configure;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+
+/**
+ * 跨域配置
+ */
+@Configuration
+public class CorsConfig {
+
+    /**
+     * 跨域过滤器
+     *
+     * @return
+     */
+    @Bean
+    public CorsFilter corsFilter() {
+
+
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        CorsConfiguration corsConfiguration = new CorsConfiguration();
+        corsConfiguration.addAllowedHeader("*");
+        corsConfiguration.addAllowedMethod("*");
+        corsConfiguration.addAllowedOrigin("*");
+        source.registerCorsConfiguration("/**", corsConfiguration);
+        return new CorsFilter(source);
+    }
+
+
+}

src/main/java/com/example/demo/Controller/detectController.java

@@ -0,0 +1,77 @@
+package com.example.demo.Controller;
+
+import com.example.demo.Util.Recognize;
+import com.example.demo.Util.Train;
+import org.springframework.web.bind.annotation.*;
+import sun.misc.BASE64Decoder;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+@RestController
+public class detectController {
+    /**
+     * 上传图片接口
+     * */
+    @PostMapping("/detect")
+    @ResponseBody
+    public String singleFileUpload(@RequestParam(value = "value",required = false) String file) {
+        try{
+            String id = file.split("~~")[0];
+            String n = file.split("~~")[1];
+            file = file.split("~~")[2];
+            int pn = Integer.valueOf(n);
+            file = file.substring(22,file.length());
+            base64StringToImage(file,n,id);
+            if(pn==10){
+                boolean r = Recognize.recognize(id);
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+
+        return "";
+    }
+
+    static void base64StringToImage(String imgStr,String n,String id) {
+        BASE64Decoder decoder = new BASE64Decoder();
+        try{
+            //解密
+            byte[] b = decoder.decodeBuffer(imgStr);
+            //处理数据
+            for (int i = 0;i<b.length;++i){
+                if(b[i]<0){
+                    b[i]+=256;
+                }
+            }
+            String path = "D:\\demos\\src\\main\\resources\\static\\detect\\"+id+"\\";
+            File f = new File(path);
+            if(!f.exists()){
+                f.mkdir();
+            }
+            OutputStream out = new FileOutputStream(path+n+".jpg");
+            out.write(b);
+            out.flush();
+            out.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @GetMapping("/matching")
+    @ResponseBody
+    public int returnResult(String id) throws Exception {
+        boolean r = Recognize.recognize(id);
+        if(r){
+            return 1;
+        }
+        else{
+            return 0;
+        }
+    }
+
+}

src/main/java/com/example/demo/Controller/ipGetController.java

@@ -0,0 +1,77 @@
+package com.example.demo.Controller;
+
+import org.springframework.web.bind.annotation.*;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+
+@RestController
+public class ipGetController {
+
+    public static String path = "D:\\demos\\src\\main\\resources\\static\\IP\\";
+
+    @PostMapping("/saveIP")
+    @ResponseBody
+    static void saveIP(@RequestParam(value = "value",required = false) String IP){
+        String id = IP.split("~~")[0];
+        String ip = IP.split("~~")[1];
+        File file = new File(path+id+".txt");
+        if(file.exists()){
+            file.delete();
+        }
+        try {
+            file.createNewFile();
+        }catch (Exception e){
+            System.out.println(e);
+        }
+        try{
+            FileWriter fw = new FileWriter(file);
+            fw.write(ip);
+            fw.flush();
+            fw.close();
+        }catch(Exception e){
+            System.out.println(e);
+        }
+
+
+    }
+
+    @GetMapping("/detectIP")
+    @ResponseBody
+    static int detectIP(@RequestParam(value = "ip",required = false) String IP){
+        String id = IP.split("~~")[0];
+        String ip = IP.split("~~")[1];
+        File file = new File(path+id+".txt");
+        if(!file.exists()){
+            try {
+                file.createNewFile();
+                FileWriter fw = new FileWriter(file);
+                fw.write(ip);
+                fw.flush();
+                fw.close();
+                return 1;
+            }catch (Exception e){
+                System.out.println(e);
+                return 0;
+            }
+        }
+        else{
+            try{
+                FileReader fr = new FileReader(file);
+                BufferedReader br = new BufferedReader(fr);
+                String line = br.readLine();
+                if(line.equals(ip)){
+                    return 1;
+                }
+                else{
+                    return 0;
+                }
+            }catch (Exception e){
+                System.out.println(e);
+                return 0;
+            }
+        }
+    }
+}

src/main/java/com/example/demo/Controller/uploadController.java

@@ -0,0 +1,74 @@
+package com.example.demo.Controller;
+
+import com.example.demo.Util.DetectAndCollect;
+import com.example.demo.Util.Train;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.RestController;
+import sun.misc.BASE64Decoder;
+
+
+import java.io.*;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+@RestController
+
+public class uploadController{
+
+    static int flag = 0;
+    /**
+     * 上传图片接口
+     * */
+    @PostMapping("/upload")
+    @ResponseBody
+    public int singleFileUpload(@RequestParam(value = "value",required = false) String file) {
+        try{
+            String id = file.split("~~")[0];
+            String n = file.split("~~")[1];
+            file = file.split("~~")[2];
+            int pn = Integer.valueOf(n);
+            file = file.substring(22,file.length());
+            base64StringToImage(file,id);
+            if(pn>=180){
+                int num = DetectAndCollect.prepare(id);
+                if(num>100&&flag==0){
+                    Train.trainPath();
+                    flag = 1;
+                    return 1;
+                }
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+
+        return 0;
+    }
+
+    static void base64StringToImage(String imgStr,String id) {
+        BASE64Decoder decoder = new BASE64Decoder();
+        try{
+            //解密
+            byte[] b = decoder.decodeBuffer(imgStr);
+            //处理数据
+            for (int i = 0;i<b.length;++i){
+                if(b[i]<0){
+                    b[i]+=256;
+                }
+            }
+            String path = "D:\\demos\\src\\main\\resources\\static\\image\\";
+            Date date = new Date();
+            SimpleDateFormat formatter = new SimpleDateFormat("ddMMyyyyHHmmss");
+            String time = formatter.format(date);
+            OutputStream out = new FileOutputStream(path+id+"."+time+".jpg");
+            out.write(b);
+            out.flush();
+            out.close();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+
+}

src/main/java/com/example/demo/DemoApplication.java

@@ -0,0 +1,13 @@
+package com.example.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DemoApplication.class, args);
+	}
+
+}

src/main/java/com/example/demo/Util/DetectAndCollect.java

@@ -0,0 +1,61 @@
+package com.example.demo.Util;
+
+import org.opencv.core.*;
+import org.opencv.imgcodecs.Imgcodecs;
+import org.opencv.imgproc.Imgproc;
+import org.opencv.objdetect.CascadeClassifier;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DetectAndCollect {
+    public static int sample = 0;
+    /*public static void main(String[] args){
+        prepare("383");
+    }*/
+
+    public static int prepare(String id){
+        int re = 0;
+        System.loadLibrary("opencv_java410");
+        CascadeClassifier faceCascade = new CascadeClassifier();
+        faceCascade.load("D:/opencv/data/haarcascades/haarcascade_frontalface_alt.xml");
+        Mat img = new Mat();
+        String paths = "D:\\demos\\src\\main\\resources\\static\\image\\";
+        List<String> files = new ArrayList<String>();
+        File file = new File(paths);
+        File[] tempList = file.listFiles();
+        for (int i = 0; i < tempList.length; i++) {
+                files.add(tempList[i].toString());
+        }
+        try {
+            for(int i = 0;i<tempList.length;i++){
+                String p = files.get(i);
+                img = Imgcodecs.imread(p);
+                detectAndCollect(img,faceCascade,id);
+            }
+        } catch(Exception e) {
+            System.out.println(e);
+        }
+        return sample;
+    }
+
+    public static void detectAndCollect(Mat frame, CascadeClassifier faceCascade,String id) {
+        MatOfRect faces = new MatOfRect();
+        Mat grayFrame = new Mat();
+
+        Imgproc.cvtColor(frame, grayFrame, Imgproc.COLOR_BGR2GRAY);
+
+        // 采集人脸
+        faceCascade.detectMultiScale(grayFrame, faces);
+        String path = "D:\\demos\\src\\main\\resources\\static\\imagedb\\";
+        Rect[] facesArray = faces.toArray();
+
+        if (facesArray.length >= 1&&sample<200) {
+                sample++;
+                System.out.println("image: " + sample);
+                Imgcodecs.imwrite(path+"image."+id+"."+sample+".jpg",frame.submat(facesArray[0]));
+        }
+
+    }
+}

src/main/java/com/example/demo/Util/Recognize.java

@@ -0,0 +1,123 @@
+package com.example.demo.Util;
+
+import org.opencv.core.*;
+import org.opencv.face.FaceRecognizer;
+import org.opencv.face.LBPHFaceRecognizer;
+import org.opencv.imgcodecs.Imgcodecs;
+import org.opencv.imgproc.Imgproc;
+import org.opencv.objdetect.CascadeClassifier;
+import org.opencv.videoio.VideoCapture;
+
+import javax.swing.*;
+import java.io.File;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class Recognize {
+
+
+    public final static String BASE_FILE_PATH = "D:/demos/src/main/resources/static/model";
+
+    public final static String BASE_FILE_NAME = "/face_model.yml";
+
+    public final static String DETECT_FILE_PATH ="D:/demos/src/main/resources/static/detect/";
+
+    public final static String DETECT_FILE_NAME = "/15032021.154003.jpg";
+
+    static int tag = 0;
+
+    /*public static void main(String[] args) throws Exception {
+        recognize("368");
+    }*/
+//通过模型存放的文件名来获取用户对应的模型文件
+    public static boolean recognize(String id) throws  Exception{
+        tag = 0;
+        String readPath = BASE_FILE_PATH  + BASE_FILE_NAME;
+        System.out.println("file path---------->" + readPath);
+        File testFile = new File(readPath);
+        if(!testFile .exists()) {
+            JOptionPane.showMessageDialog(null,"模型文件不存在！请确认操作是否正确！","提示", JOptionPane.ERROR_MESSAGE);
+            System.out.println("file path---------->模型文件不存在！请确认操作是否正确！");
+            throw new Exception("error");
+        }
+        System.loadLibrary("opencv_java410");
+
+        CascadeClassifier faceCascade = new CascadeClassifier();
+        faceCascade.load("D:/opencv/data/haarcascades/haarcascade_frontalface_alt.xml");
+        FaceRecognizer faceRecognizer = LBPHFaceRecognizer.create();
+        faceRecognizer.read(readPath);
+        try {
+            Mat image = new Mat();
+            List<String> files = new ArrayList<String>();
+            String detect_path = DETECT_FILE_PATH+id+"/";
+            File file = new File(detect_path);
+            File[] tempList = file.listFiles();
+            for (int i = 0; i < tempList.length; i++) {
+                files.add(tempList[i].toString());
+            }
+            boolean[] temp = new boolean[10];
+            int sym = 0;
+            int num = 0;
+            for(int i = 0;i<tempList.length;i++){
+                String p = files.get(i);
+                image = Imgcodecs.imread(p);
+                if (!image.empty()) {
+                    temp[sym] = detectAndDisplay(image, faceCascade, faceRecognizer,id);
+                    if(!temp[sym]){
+                        num++;
+                    }
+                    sym++;
+                }
+                else{
+                    temp[sym] = false;
+                    sym++;
+                }
+            }
+            if(num>3){
+                return false;
+            }
+            else{
+                return true;
+            }
+
+        } catch(Exception e) {
+            System.out.println(e);
+        }
+        return true;
+    }
+
+    public static boolean detectAndDisplay(Mat frame, CascadeClassifier faceCascade,
+                                        FaceRecognizer faceRecognizer,String id) {
+        MatOfRect faces = new MatOfRect();
+        Mat grayFrame = new Mat();
+
+        Imgproc.cvtColor(frame, grayFrame, Imgproc.COLOR_BGR2GRAY);
+        Imgproc.equalizeHist(grayFrame, grayFrame);
+
+        // detect faces
+        faceCascade.detectMultiScale(grayFrame, faces);
+        Imgproc.equalizeHist(grayFrame, grayFrame);
+
+        Rect[] facesArray = faces.toArray();
+        for (int i = 0; i < facesArray.length; i++) {
+            int[] label = new int[1];
+            double[] confidence = new double[1];
+            faceRecognizer.predict(grayFrame.submat(facesArray[i]), label, confidence);
+            String name = faceRecognizer.getLabelInfo(label[0]);
+            if (confidence[0] < 50&&name.equals(id)) {
+                System.out.println("yes is " + name);
+                return true;
+            } else {
+               System.out.println("not this one");
+               return false;
+            }
+        }
+        return false;
+    }
+
+
+
+}

src/main/java/com/example/demo/Util/Train.java

@@ -0,0 +1,83 @@
+package com.example.demo.Util;
+
+import org.opencv.core.Mat;
+import org.opencv.core.MatOfInt;
+import org.opencv.face.FaceRecognizer;
+import org.opencv.face.LBPHFaceRecognizer;
+import org.opencv.imgcodecs.Imgcodecs;
+import org.opencv.imgproc.Imgproc;
+import org.opencv.objdetect.CascadeClassifier;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+
+public class Train {
+    /*public static void main(String[] args) throws IOException {
+            trainPath();
+    }*/
+
+
+    public static void trainPath() throws IOException {
+        train("D:\\demos\\src\\main\\resources\\static\\imagedb",
+                "D:\\demos\\src\\main\\resources\\static\\model");
+    }
+
+    /**
+     * 训练模型的方法，传入人脸图片所在的文件夹路径，和模型输出的路径
+     * 训练结束后模型文件会在模型输出路径里边
+     **/
+    public static void train(String imageFolder, String saveFolder)
+            throws IOException {
+
+        System.loadLibrary("opencv_java410");
+        FaceRecognizer faceRecognizer = LBPHFaceRecognizer.create();
+        CascadeClassifier faceCascade = new CascadeClassifier();
+// opencv的模型
+        faceCascade.load("D:/opencv/build/etc/haarcascades/haarcascade_frontalface_alt.xml");
+// 读取文件于数组中
+        File[] files = new File(imageFolder).listFiles();
+        Map<String, Integer> nameMapId = new HashMap<String, Integer>(10);
+// 图片集合
+        List<Mat> images = new ArrayList<Mat>(files.length);
+// 名称集合
+        List<String> names = new ArrayList<String>(files.length);
+        List<Integer> ids = new ArrayList<Integer>(files.length);
+        for (int index = 0; index < files.length; index++ ) {
+// 解析文件名 获取名称
+            File file = files[index];
+            String name = file.getName().split("\\.")[1];
+            Integer id = nameMapId.get(name);
+            if (id == null) {
+                id = names.size();
+                names.add(name);
+                nameMapId.put(name, id);
+                faceRecognizer.setLabelInfo(id, name);
+            }
+
+            Mat mat = Imgcodecs.imread(file.getCanonicalPath());
+            Mat gray = new Mat();
+// 图片预处理
+            Imgproc.cvtColor(mat, gray, Imgproc.COLOR_BGR2GRAY);
+            images.add(gray);
+            System.out.println("add total " + images.size());
+            ids.add(id);
+        }
+        int[] idsInt = new int[ids.size()];
+        for (int i = 0; i < idsInt.length; i++) {
+            idsInt[i] = ids.get(i).intValue();
+        }
+// 显示标签
+        MatOfInt labels = new MatOfInt(idsInt);
+// 调用训练方法
+        faceRecognizer.train(images, labels);
+// 输出持久化模型文件 训练一次后就可以一直调用
+        faceRecognizer.save(saveFolder + "/face_model.yml");
+    }
+
+
+}

src/main/resources/application.properties

@@ -0,0 +1 @@
+

src/test/java/com/example/demo/DemoApplicationTests.java

@@ -0,0 +1,13 @@
+package com.example.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class DemoApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}