first commit

.gitignore

+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### 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/
+
+### VS Code ###
+.vscode/

.mvn/wrapper/MavenWrapperDownloader.java

+/*
+ * 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

+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

mvnw

+#!/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

+@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

+<?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>2.2.5.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.comleader</groupId>
+    <artifactId>ldmap-download</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>ldmap-download</name>
+    <description>Simple download map zone.</description>
+    <packaging>jar</packaging>
+
+    <properties>
+        <java.version>1.8</java.version>
+        <!-- 跳过测试 -->
+        <skipTests>true</skipTests>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.junit.vintage</groupId>
+                    <artifactId>junit-vintage-engine</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <!-- websocket -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-websocket</artifactId>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.0</version>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>1.7.25</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.5.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>cn.hutool</groupId>
+            <artifactId>hutool-all</artifactId>
+            <version>5.2.5</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/comleader/ldmapdownload/LdmapDownloadApplication.java

+package com.comleader.ldmapdownload;
+
+import com.comleader.ldmapdownload.application.DownMapLv3;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class LdmapDownloadApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(LdmapDownloadApplication.class, args);
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/application/DownMap.java

+package com.comleader.ldmapdownload.application;
+
+import com.comleader.ldmapdownload.util.CLStringUtil;
+import com.comleader.ldmapdownload.util.HttpUtil;
+import com.sun.org.apache.xpath.internal.operations.Bool;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+import java.util.*;
+import java.util.concurrent.*;
+
+/**
+ * @ClassName DownMap
+ * @Description: 下载地图的启动类
+ * @Author zhanghang
+ * @Date 2020/4/2
+ * @Version V1.0
+ **/
+@Component
+@PropertySource(value = {"classpath:config/download-map.properties"}, encoding = "UTF-8")
+@Slf4j
+@Order(16)
+public class DownMap implements ApplicationRunner {
+
+    @Value("${map.threadNum}")
+    private int threadNum; // 最小层级
+
+    // 执行任务的线程池
+    private ExecutorService es;
+
+    private CompletionService<String> completionService;
+
+    //private volatile Map<String, String> errResults = new HashMap<>();
+    private List<String> errResults = new CopyOnWriteArrayList<>();
+
+    @Value("${map.minLv}")
+    private int minLv; // 最小层级
+
+    @Value("${map.maxLv}")
+    private int maxLv; // 最大层级
+
+    @Value("${map.Lv6.flag}")
+    private boolean flag; // 记录前六级是否打开下载
+
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        if (flag){
+            return;
+        }
+
+        es = Executors.newFixedThreadPool(threadNum);
+        completionService = new ExecutorCompletionService<>(es);
+        // 监听控制台输入下载区域
+        Scanner sc = new Scanner(System.in);
+        System.out.println("经纬度格式如: 110.391,36.527");
+        System.out.println("请输入要下载地图的左下角经纬度:");
+        String leftbottom = sc.next();
+        System.out.println("请输入要下载地图的右上角经纬度:");
+        String righttop = sc.next();
+
+        System.out.println("开始下载经纬度: {" + leftbottom + "," + righttop + "}");
+        // 左下角经度，纬度，右上角经度，纬度。
+        String[] leftLngLat = leftbottom.contains(",") ? leftbottom.split(",") : leftbottom.split("，");
+        String[] rightLngLat = righttop.contains(",") ? righttop.split(",") : righttop.split("，");
+
+        //记录异步结果
+        List<Future<String>> futures = new ArrayList<>();
+
+        // 记录总用时
+        long start = System.currentTimeMillis();
+
+        for (int z = minLv; z <= maxLv; z++) { // 层级
+            //计算行列号(使用瓦片的中心点经纬度计算)
+            //四个坐标划定了一个矩形区域
+            int minY = getOSMTileYFromLatitude(Double.valueOf(rightLngLat[0].trim()), z);
+            int maxY = getOSMTileYFromLatitude(Double.valueOf(leftLngLat[1].trim()), z);
+            int minX = getOSMTileXFromLongitude(Double.valueOf(leftLngLat[0].trim()), z);
+            int maxX = getOSMTileXFromLongitude(Double.valueOf(rightLngLat[0].trim()), z);
+            for (int y = minY; y <= maxY; y++) { // Y轴
+                for (int x = minX; x <= maxX; x++) { // X轴
+                    // 多线程异步执行下载
+                    Future<String> resultFulture = completionService.submit(new DownMapCallable(z, x, y));
+                    // 加入集合中
+                    futures.add(resultFulture);
+                }
+            }
+        }
+        // 主线程阻塞等待执行完成
+        for (Future<String> future : futures) {
+            Future<String> take = completionService.take();
+            String result = take.get();
+            System.out.println(result);
+        }
+        // 打印下载失败的结果
+        System.out.println("Falid download List:");
+        for (String errResult : errResults) {
+            System.out.println(errResult);
+        }
+        System.out.println("Falid count num: " + errResults.size());
+        long end = System.currentTimeMillis();
+
+        // 执行退出
+        System.out.println("All Task Finished!! \nTotal Time:" + (end - start) / 1000 + " s");
+        System.exit(0);
+    }
+
+    /**
+     * 计算分辨率
+     *
+     * @param maxLevel 最大级别
+     */
+    //public static double[] getResolutions(int maxLevel) {
+    //    double max = 360.0 / 256.0;
+    //    double[] resolutions = new double[maxLevel + 1];
+    //    for (int z = 0; z <= maxLevel; z++) resolutions[z] = max / Math.pow(2, z);
+    //    return resolutions;
+    //}
+
+    /**
+     * 根据经度获取切片规范下的行号
+     *
+     * @param lon
+     * @param zoom
+     * @return
+     */
+    public static int getOSMTileXFromLongitude(double lon, int zoom) {
+        return (int) (Math.floor((lon + 180) / 360 * Math.pow(2, zoom)));
+    }
+
+    /**
+     * 根据纬度获取切片规范下的列号
+     *
+     * @param lat
+     * @param zoom
+     * @return
+     */
+    public static int getOSMTileYFromLatitude(double lat, int zoom) {
+        return (int) (Math.floor((1 - Math.log(Math.tan(lat * Math.PI / 180) + 1 / Math.cos(lat * Math.PI / 180)) / Math.PI) / 2 * Math.pow(2, zoom)));
+    }
+
+
+    class DownMapCallable implements Callable<String> {
+
+        private int z;
+        private int x;
+        private int y;
+
+        public DownMapCallable(int z, int x, int y) {
+            this.z = z;
+            this.x = x;
+            this.y = y;
+        }
+
+        @Override
+        public String call() throws Exception {
+            String imgUrl = null;
+            try {
+                //高德地图(6：影像，7：矢量，8：影像路网)
+                imgUrl = CLStringUtil.getImgUrl(z, x, y);
+                File file = CLStringUtil.getFullFile(z, x, y);
+
+                // 开始下载地图
+                HttpUtil.downImageByGet(imgUrl, file);
+                return imgUrl + " Success";
+            } catch (Exception e) {
+                //log.error(imgUrl + " Down Failed");
+                errResults.add("Failed: " + imgUrl + " ErrorMsg >> " + e.getMessage());
+                return imgUrl + " Down Failed";
+            }
+        }
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/application/DownMapLv3.java

+package com.comleader.ldmapdownload.application;
+
+import com.comleader.ldmapdownload.util.CLStringUtil;
+import com.comleader.ldmapdownload.util.HttpUtil;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+import java.util.concurrent.Future;
+
+/**
+ * @ClassName DownMapLv1
+ * @Description: 下载第一层(全地图)
+ * @Author zhanghang
+ * @Date 2020/4/3
+ * @Version V1.0
+ **/
+public class DownMapLv3 {
+
+    private static int z = 3;
+
+    /**
+     * @description: 下载第三级的Map
+     * @param
+     * @return: void
+     * @author: zhanghang
+     * @date: 2020/4/3
+     **/
+    public static void downLoad() {
+        new Thread(() -> {
+            for (int y = 0; y <= 7; y++) { // Y轴
+                for (int x = 0; x <= 7; x++) { // X轴
+                    //高德地图(6：影像，7：矢量，8：影像路网)
+                    String imgUrl = CLStringUtil.getImgUrl(z, x, y);
+                    File file = CLStringUtil.getFullFile(z, x, y);
+                    System.out.println(imgUrl);
+                    // 开始下载地图
+                    try {
+                        HttpUtil.downImageByGet(imgUrl, file);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }).start();
+
+    }
+}

src/main/java/com/comleader/ldmapdownload/application/DownMapLv4.java

+package com.comleader.ldmapdownload.application;
+
+import com.comleader.ldmapdownload.util.CLStringUtil;
+import com.comleader.ldmapdownload.util.HttpUtil;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+
+/**
+ * @ClassName DownMapLv1
+ * @Description: 下载第一层(全地图)
+ * @Author zhanghang
+ * @Date 2020/4/3
+ * @Version V1.0
+ **/
+public class DownMapLv4 {
+
+    private static int z = 4;
+
+    /**
+     * @description: 下载第四级的Map
+     * @param
+     * @return: void
+     * @author: zhanghang
+     * @date: 2020/4/3
+     **/
+    public static void downLoad() {
+        new Thread(() -> {
+            for (int y = 0; y <= 9; y++) { // Y轴
+                for (int x = 0; x <= 15; x++) { // X轴
+                    //高德地图(6：影像，7：矢量，8：影像路网)
+                    String imgUrl = CLStringUtil.getImgUrl(z, x, y);
+                    File file = CLStringUtil.getFullFile(z, x, y);
+                    System.out.println(imgUrl);
+
+                    // 开始下载地图
+                    try {
+                        HttpUtil.downImageByGet(imgUrl, file);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }).start();
+
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/application/DownMapLv5.java

+package com.comleader.ldmapdownload.application;
+
+import com.comleader.ldmapdownload.util.CLStringUtil;
+import com.comleader.ldmapdownload.util.HttpUtil;
+
+import java.io.File;
+
+/**
+ * @ClassName DownMapLv1
+ * @Description: 下载第一层(全地图)
+ * @Author zhanghang
+ * @Date 2020/4/3
+ * @Version V1.0
+ **/
+public class DownMapLv5 {
+
+    private static int z = 5;
+
+    /**
+     * @description: 下载第四级的Map
+     * @param
+     * @return: void
+     * @author: zhanghang
+     * @date: 2020/4/3
+     **/
+    public static void downLoad() {
+        new Thread(() -> {
+            for (int y = 10; y <= 23; y++) { // Y轴
+                for (int x = 15; x <= 31; x++) { // X轴
+                    //高德地图(6：影像，7：矢量，8：影像路网)
+                    String imgUrl = CLStringUtil.getImgUrl(z, x, y);
+                    File file = CLStringUtil.getFullFile(z, x, y);
+                    System.out.println(imgUrl);
+
+                    // 开始下载地图
+                    try {
+                        HttpUtil.downImageByGet(imgUrl, file);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }).start();
+
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/application/DownMapLv6.java

+package com.comleader.ldmapdownload.application;
+
+import com.comleader.ldmapdownload.util.CLStringUtil;
+import com.comleader.ldmapdownload.util.HttpUtil;
+
+import java.io.File;
+
+/**
+ * @ClassName DownMapLv1
+ * @Description: 下载第一层(全地图)
+ * @Author zhanghang
+ * @Date 2020/4/3
+ * @Version V1.0
+ **/
+public class DownMapLv6 {
+
+    private static int z = 6;
+
+    /**
+     * @description: 下载第四级的Map
+     * @param
+     * @return: void
+     * @author: zhanghang
+     * @date: 2020/4/3
+     **/
+    public static void downLoad() {
+        new Thread(() -> {
+            for (int y = 20; y <= 28; y++) { // Y轴
+                for (int x = 45; x <= 57; x++) { // X轴
+                    //高德地图(6：影像，7：矢量，8：影像路网)
+                    String imgUrl = CLStringUtil.getImgUrl(z, x, y);
+                    File file = CLStringUtil.getFullFile(z, x, y);
+                    System.out.println(imgUrl);
+
+                    // 开始下载地图
+                    try {
+                        HttpUtil.downImageByGet(imgUrl, file);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }).start();
+
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/application/DownMapLv6Runner.java

+package com.comleader.ldmapdownload.application;
+
+import com.comleader.ldmapdownload.util.CLStringUtil;
+import com.comleader.ldmapdownload.util.HttpUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.ApplicationArguments;
+import org.springframework.boot.ApplicationRunner;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+import java.util.concurrent.*;
+
+/**
+ * @ClassName DownMap
+ * @Description: 下载地图的启动类
+ * @Author zhanghang
+ * @Date 2020/4/2
+ * @Version V1.0
+ **/
+@Component
+@PropertySource(value = {"classpath:config/download-map.properties"}, encoding = "UTF-8")
+@Slf4j
+@Order(6)
+public class DownMapLv6Runner implements ApplicationRunner {
+
+    @Value("${map.Lv6.flag}")
+    private boolean flag; // 记录前六级是否打开下载
+
+
+    @Override
+    public void run(ApplicationArguments args) throws Exception {
+        // 是否下载前6级
+        if (!flag){
+            return;
+        }
+
+        DownMapLv3.downLoad();
+        DownMapLv4.downLoad();
+        DownMapLv5.downLoad();
+        DownMapLv6.downLoad();
+
+    }
+}

src/main/java/com/comleader/ldmapdownload/config/HttpClientConfig.java

+package com.comleader.ldmapdownload.config;
+
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.config.Registry;
+import org.apache.http.config.RegistryBuilder;
+import org.apache.http.conn.socket.ConnectionSocketFactory;
+import org.apache.http.conn.socket.PlainConnectionSocketFactory;
+import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.apache.http.ssl.SSLContextBuilder;
+import org.apache.http.ssl.TrustStrategy;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+
+import javax.net.ssl.SSLContext;
+import java.security.KeyManagementException;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.X509Certificate;
+
+/**
+ * @ClassName HttpClientConfig
+ * @Description: HttpClient配置类
+ * @Author zhanghang
+ * @Date 2020/4/2
+ * @Version V1.0
+ **/
+@Configuration
+@PropertySource(value = {"classpath:config/httpclient.properties"}, encoding = "UTF-8")
+public class HttpClientConfig {
+
+    @Value("${http.maxTotal}")
+    private Integer maxTotal;//最大连接数
+
+    @Value("${http.defaultMaxPerRoute}")
+    private Integer defaultMaxPerRoute;//支持并发数
+
+
+    @Value("${http.connectTimeout}")
+    private Integer connectTimeout;//连接的超时时间
+
+
+    @Value("${http.connectionRequestTimeout}")
+    private Integer connectionRequestTimeout;//从连接池获取连接的超时时间
+
+    @Value("${http.socketTimeout}")
+    private Integer socketTimeout;//数据传输超时时间
+
+    @Value("${http.staleConnectionCheckEnabled}")
+    private boolean staleConnectionCheckEnabled;//提交请求前测试连接是否可用
+
+    private static SSLContext sslContext = null;
+
+
+    static {
+
+        try {
+
+            sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
+
+//信任所有
+
+                @Override
+
+                public boolean isTrusted(X509Certificate[] xcs, String string) {
+
+                    return true;
+
+                }
+
+            }).build();
+
+        } catch (KeyStoreException ex) {
+
+            //logger.error(ex.getMessage(), ex);
+
+            ex.printStackTrace();
+
+        } catch (NoSuchAlgorithmException ex) {
+
+            //logger.error(ex.getMessage(), ex);
+
+            ex.printStackTrace();
+
+        } catch (KeyManagementException ex) {
+
+            //logger.error(ex.getMessage(), ex);
+
+            ex.printStackTrace();
+
+        }
+
+    }
+
+
+    /**
+     * 实例化一个连接池管理器,并且设置最大连接数，支持并发数
+     *
+     * @return
+     */
+    @Bean(name = "httpClientConnectionManager")
+    public PoolingHttpClientConnectionManager getHttpClientConnectionManager() {
+
+        Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
+
+                .register("http", new PlainConnectionSocketFactory())
+
+                .register("https", new SSLConnectionSocketFactory(sslContext, SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER))
+
+                .build();
+
+        PoolingHttpClientConnectionManager httpClientConnectionManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
+
+        httpClientConnectionManager.setMaxTotal(maxTotal);
+
+        httpClientConnectionManager.setDefaultMaxPerRoute(defaultMaxPerRoute);
+
+        return httpClientConnectionManager;
+
+    }
+
+
+    /**
+     * 实例化连接池，设置连接池管理器。
+     * <p>
+     * 这里需要以参数形式注入上面实例化的连接池管理器
+     *
+     * @param httpClientConnectionManager
+     * @return
+     */
+    @Bean(name = "httpClientBuilder")
+    public HttpClientBuilder getHttpClientBuilder(@Qualifier("httpClientConnectionManager") PoolingHttpClientConnectionManager httpClientConnectionManager) {
+
+        HttpClientBuilder builder = HttpClientBuilder.create();
+
+        builder.setConnectionManager(httpClientConnectionManager);
+
+        return builder;
+
+    }
+
+
+    /**
+     * 注入连接池，用于获取httpClient
+     *
+     * @param httpClientBuilder
+     * @return
+     */
+    @Bean
+    public CloseableHttpClient getCloseableHttpClient(@Qualifier("httpClientBuilder") HttpClientBuilder httpClientBuilder) {
+
+        CloseableHttpClient httpClient = httpClientBuilder.build();
+
+        return httpClient;
+
+    }
+
+    /**
+     * Builder是RequestConfig的一个内部类
+     * <p>
+     * 通过RequestConfig的custom方法来获取到一个Builder对象
+     * <p>
+     * 设置builder的连接信息
+     * <p>
+     * 这里还可以设置proxy，cookieSpec等属性。有需要的话可以在此设置
+     *
+     * @return
+     */
+    @Bean(name = "builder")
+    public RequestConfig.Builder getBuilder() {
+
+        RequestConfig.Builder builder = RequestConfig.custom();
+
+        return builder.setConnectTimeout(connectTimeout).
+
+                setConnectionRequestTimeout(connectionRequestTimeout).
+
+                setSocketTimeout(socketTimeout);
+
+    }
+
+
+    /**
+     * 使用builder创建一个RequestConfig对象
+     *
+     * @param builder
+     * @return
+     */
+    @Bean
+    public RequestConfig getRequestConfig(@Qualifier("builder") RequestConfig.Builder builder) {
+
+        RequestConfig requestConfig = builder.build();
+
+        return requestConfig;
+
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/util/CLStringUtil.java

+package com.comleader.ldmapdownload.util;
+
+import cn.hutool.core.io.FileUtil;
+import org.omg.CORBA.PUBLIC_MEMBER;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import java.io.File;
+
+/**
+ * @ClassName LDStringUtil
+ * @Description: ComleaderString工具类
+ * @Author zhanghang
+ * @Date 2020/4/2
+ * @Version V1.0
+ **/
+@Component
+@PropertySource(value = {"classpath:config/download-map.properties"}, encoding = "UTF-8")
+public class CLStringUtil {
+
+    @Value("${file.basepath}")
+    private String BASE_PATH_CONFIG;
+
+    public static String BASE_PATH;
+
+    @Value("${map.baseurl}")
+    private String BASE_URL_CONFIG;
+
+    public static String BASE_URL;
+
+    @Value("${map.type}")
+    private String MAP_TYPE_CONFIG;
+
+    public static String MAP_TYPE;
+
+
+    //当容器实例化当前受管Bean时@PostConstruct注解的方法会被自动触发，借此来实现静态变量初始化
+    @PostConstruct
+    public void init(){
+        this.BASE_PATH = BASE_PATH_CONFIG;
+        this.BASE_URL = BASE_URL_CONFIG;
+        this.MAP_TYPE = MAP_TYPE_CONFIG;
+    }
+
+
+    /**
+     * @param z
+     * @param x
+     * @param y
+     * @description: 根据传入的 z\x\y来创建本地图片路径
+     * @return: java.lang.String
+     * @author: zhanghang
+     * @date: 2020/4/2
+     **/
+    public static File getFullFile(Integer z, Integer x, Integer y) {
+        String fullFileName;
+        if (MAP_TYPE == "ArcGIS"){
+            fullFileName = getArcGISFullFile(z,x,y);
+        }else {
+            fullFileName = BASE_PATH + z + File.separator + x + File.separator + y + ".png";
+        }
+        return FileUtil.file(fullFileName);
+    }
+
+
+    /**
+     * @param z
+     * @param x
+     * @param y
+     * @description: 获取ArcGIS的图片存储路径格式
+     * @return: java.lang.String
+     * @author: zhanghang
+     * @date: 2020/4/2
+     **/
+    private static String getArcGISFullFile(Integer z, Integer x, Integer y) {
+        String l = "L" + String.format("%02d",z);
+        String r = "R" + makePath(y);
+        String c = "C" + makePath(x);
+        String fullFileName = BASE_PATH + l + File.separator + r + File.separator + c + ".png";
+        return fullFileName;
+    }
+
+
+   /**
+    * @description: getImgUrl 
+    * @param z
+    * @param x
+    * @param y
+    * @return: java.lang.String
+    * @author: zhanghang
+    * @date: 2020/4/2
+    **/
+    public static String getImgUrl(Integer z, Integer x, Integer y) {
+        String url = BASE_URL.replaceAll("\\{x\\}", String.valueOf(x)).replaceAll("\\{y\\}", String.valueOf(y))
+                .replaceAll("\\{z\\}", String.valueOf(z));
+        return url;
+    }
+
+
+    private static String makePath(int num) {
+        String str = Integer.toHexString(num);
+        //ArcGIS行列都是8位长度
+        while(str.length() < 8) {
+            str = "0" + str;
+        }
+        return str;
+    }
+
+}

src/main/java/com/comleader/ldmapdownload/util/HttpUtil.java

+package com.comleader.ldmapdownload.util;
+
+import cn.hutool.core.io.FileUtil;
+import lombok.extern.slf4j.Slf4j;
+
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.Resource;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.sql.SQLOutput;
+
+/**
+ * @ClassName HttpUtil
+ * @Description: Http请求类
+ * @Author zhanghang
+ * @Date 2020/4/2
+ * @Version V1.0
+ **/
+@Component
+public class HttpUtil {
+
+    @Resource
+    private CloseableHttpClient httpClient;
+
+    // 自定义一个静态载体,用来承载Spring管理的类
+    private static CloseableHttpClient staticHttpClient;
+
+    @Resource
+    private RequestConfig requestConfig;
+
+    // 自定义一个静态载体,用来承载Spring管理的类
+    private static RequestConfig staticRequestConfig;
+
+
+    //当容器实例化当前受管Bean时@PostConstruct注解的方法会被自动触发，借此来实现静态变量初始化
+    @PostConstruct
+    public void init() {
+        this.staticHttpClient = httpClient;
+        this.staticRequestConfig = requestConfig;
+    }
+
+    /**
+     * 发送httpGet请求
+     *
+     * @param url
+     * @return
+     */
+    public static void downImageByGet(String url, File file) throws Exception {
+        CloseableHttpResponse response = null;
+        InputStream ins = null;
+        try {
+            HttpGet httpGet = new HttpGet(url);
+            httpGet.setConfig(staticRequestConfig);
+            response = staticHttpClient.execute(httpGet);
+            if (response.getStatusLine().getStatusCode() == 200){
+                ins =  response.getEntity().getContent();
+                // 写入图片
+                FileUtil.writeFromStream(ins, file);
+            }
+        } finally {
+            // 释放资源
+            try {
+                if (ins != null) ins.close();
+                if (response != null) response.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+
+    }
+
+}

src/main/resources/banner.txt

+   ______                          __                          __
+ .' ___  |                        [  |                        |  ]
+/ .'   \_|   .--.    _ .--..--.    | |   .---.   ,--.     .--.| |   .---.   _ .--.
+| |        / .'`\ \ [ `.-. .-. |   | |  / /__\\ `'_\ :  / /'`\' |  / /__\\ [ `/'`\]
+\ `.___.'\ | \__. |  | | | | | |   | |  | \__., // | |, | \__/  |  | \__.,  | |
+ `.____ .'  '.__.'  [___||__||__] [___]  '.__.' \'-;__/  '.__.;__]  '.__.' [___]
+
+  __  __                     _____                               _                       _
+ |  \/  |                   |  __ \                             | |                     | |
+ | \  / |   __ _   _ __     | |  | |   ___   __      __  _ __   | |   ___     __ _    __| |   ___   _ __
+ | |\/| |  / _` | | '_ \    | |  | |  / _ \  \ \ /\ / / | '_ \  | |  / _ \   / _` |  / _` |  / _ \ | '__|
+ | |  | | | (_| | | |_) |   | |__| | | (_) |  \ V  V /  | | | | | | | (_) | | (_| | | (_| | |  __/ | |
+ |_|  |_|  \__,_| | .__/    |_____/   \___/    \_/\_/   |_| |_| |_|  \___/   \__,_|  \__,_|  \___| |_|
+                  | |
+                  |_|

src/main/resources/config/download-map.properties

+# 下载地图的保存路径
+file.basepath=E:/gaode-map/img/
+
+# 下载地图的地址
+#天地图服务器t0-t8间选一个
+#map.baseurl=http://t0.tianditu.com/DataServer?T=vec_w&x={x}&y={y}&l={z}
+#谷歌地图服务器t0-t2间选一个
+#map.baseurl=http://mt2.google.cn/vt/lyrs=m&scale=1&hl=zh-CN&gl=cn&x={x}&y={y}&z={z}
+#百度地图（加密过的）
+#map.baseurl=http://online3.map.bdimg.com/onlinelabel/?qt=tile&x={x}&y={y}&z={z}&&styles=pl&udt=20170712&scaler=1&p=1
+#osm地图
+#map.baseurl=http://c.tile.opencyclemap.org/cycle/{z}/{x}/{y}.png
+#高德地图
+map.baseurl=http://webrd04.is.autonavi.com/appmaptile?lang=zh_cn&size=1scale=1&style=8&x={x}&y={y}&z={z}
+
+# 下载地图的类型 CUSTOM  ArcGIS
+#type=ArcGIS
+map.type=CUSTOM
+
+# 下载地图的层级 7 - 18
+map.minLv=7
+map.maxLv=16
+
+# 线程数
+map.threadNum=1000
+
+# 是否下载前6级(不能与其余的同时进行)
+map.Lv6.flag=false

src/main/resources/config/httpclient.properties

+#最大连接数
+http.maxTotal=1000
+#并发数
+http.defaultMaxPerRoute=50
+#创建连接的最长时间
+http.connectTimeout=60000
+#从连接池中获取到连接的最长时间
+http.connectionRequestTimeout=60000
+#数据传输的最长时间
+http.socketTimeout=60000
+#提交请求前测试连接是否可用
+http.staleConnectionCheckEnabled=true
\ No newline at end of file

src/test/java/com/comleader/ldmapdownload/LdmapDownloadApplicationTests.java

+package com.comleader.ldmapdownload;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class LdmapDownloadApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}