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feat: implement Form Data Binding with radio buttons in Spring MVC, including application setup, model, controller, and templates
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‎09-Spring MVC/9.6-Form Data Binding - Radio Buttons/FormDataBinding/.gitattributes‎

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/mvnw text eol=lf
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*.cmd text eol=crlf

‎09-Spring MVC/9.6-Form Data Binding - Radio Buttons/FormDataBinding/.gitignore‎

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

‎09-Spring MVC/9.6-Form Data Binding - Radio Buttons/FormDataBinding/.mvn/wrapper/maven-wrapper.properties‎

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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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wrapperVersion=3.3.2
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distributionType=only-script
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

‎09-Spring MVC/9.6-Form Data Binding - Radio Buttons/FormDataBinding/mvnw‎

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#!/bin/sh
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# ----------------------------------------------------------------------------
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# ----------------------------------------------------------------------------
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# ----------------------------------------------------------------------------
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# Apache Maven Wrapper startup batch script, version 3.3.2
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#
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# Optional ENV vars
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# -----------------
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# JAVA_HOME - location of a JDK home dir, required when download maven via java source
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# MVNW_REPOURL - repo url base for downloading maven distribution
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# MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
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# MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
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# ----------------------------------------------------------------------------
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set -euf
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[ "${MVNW_VERBOSE-}" != debug ] || set -x
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# OS specific support.
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native_path() { printf %s\\n "$1"; }
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case "$(uname)" in
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CYGWIN* | MINGW*)
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[ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
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native_path() { cygpath --path --windows "$1"; }
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;;
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esac
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# set JAVACMD and JAVACCMD
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set_java_home() {
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# For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
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if [ -n "${JAVA_HOME-}" ]; then
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if [ -x "$JAVA_HOME/jre/sh/java" ]; then
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# IBM's JDK on AIX uses strange locations for the executables
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JAVACMD="$JAVA_HOME/jre/sh/java"
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JAVACCMD="$JAVA_HOME/jre/sh/javac"
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else
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JAVACMD="$JAVA_HOME/bin/java"
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JAVACCMD="$JAVA_HOME/bin/javac"
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if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
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echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
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echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
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return 1
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fi
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fi
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else
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JAVACMD="$(
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'set' +e
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'unset' -f command 2>/dev/null
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'command' -v java
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)" || :
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JAVACCMD="$(
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'set' +e
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'unset' -f command 2>/dev/null
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'command' -v javac
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)" || :
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if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
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echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
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return 1
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fi
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fi
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}
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# hash string like Java String::hashCode
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hash_string() {
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str="${1:-}" h=0
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while [ -n "$str" ]; do
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char="${str%"${str#?}"}"
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h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
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str="${str#?}"
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done
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printf %x\\n $h
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}
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verbose() { :; }
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[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
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die() {
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printf %s\\n "$1" >&2
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exit 1
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}
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trim() {
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# MWRAPPER-139:
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# Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
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# Needed for removing poorly interpreted newline sequences when running in more
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# exotic environments such as mingw bash on Windows.
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printf "%s" "${1}" | tr -d '[:space:]'
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}
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# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
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while IFS="=" read -r key value; do
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case "${key-}" in
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distributionUrl) distributionUrl=$(trim "${value-}") ;;
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distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
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esac
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done <"${0%/*}/.mvn/wrapper/maven-wrapper.properties"
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[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in ${0%/*}/.mvn/wrapper/maven-wrapper.properties"
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case "${distributionUrl##*/}" in
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maven-mvnd-*bin.*)
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MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
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case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
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*AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
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:Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
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:Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
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:Linux*x86_64*) distributionPlatform=linux-amd64 ;;
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*)
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echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
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distributionPlatform=linux-amd64
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;;
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esac
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distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
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;;
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maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
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*) MVN_CMD="mvn${0##*/mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
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esac
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# apply MVNW_REPOURL and calculate MAVEN_HOME
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# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
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[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
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distributionUrlName="${distributionUrl##*/}"
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distributionUrlNameMain="${distributionUrlName%.*}"
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distributionUrlNameMain="${distributionUrlNameMain%-bin}"
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MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
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MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
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exec_maven() {
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unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
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exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
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}
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if [ -d "$MAVEN_HOME" ]; then
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verbose "found existing MAVEN_HOME at $MAVEN_HOME"
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exec_maven "$@"
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fi
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case "${distributionUrl-}" in
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*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
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*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
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esac
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# prepare tmp dir
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if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
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clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
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trap clean HUP INT TERM EXIT
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else
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die "cannot create temp dir"
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fi
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mkdir -p -- "${MAVEN_HOME%/*}"
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# Download and Install Apache Maven
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verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
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verbose "Downloading from: $distributionUrl"
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verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
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# select .zip or .tar.gz
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if ! command -v unzip >/dev/null; then
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distributionUrl="${distributionUrl%.zip}.tar.gz"
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distributionUrlName="${distributionUrl##*/}"
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fi
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# verbose opt
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__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
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[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
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# normalize http auth
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case "${MVNW_PASSWORD:+has-password}" in
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'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
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has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
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esac
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if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
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verbose "Found wget ... using wget"
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wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
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elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
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verbose "Found curl ... using curl"
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curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
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elif set_java_home; then
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verbose "Falling back to use Java to download"
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javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
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targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
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cat >"$javaSource" <<-END
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public class Downloader extends java.net.Authenticator
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{
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protected java.net.PasswordAuthentication getPasswordAuthentication()
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{
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return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
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}
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public static void main( String[] args ) throws Exception
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{
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setDefault( new Downloader() );
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java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
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}
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}
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END
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# For Cygwin/MinGW, switch paths to Windows format before running javac and java
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verbose " - Compiling Downloader.java ..."
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"$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
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verbose " - Running Downloader.java ..."
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"$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
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fi
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# If specified, validate the SHA-256 sum of the Maven distribution zip file
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if [ -n "${distributionSha256Sum-}" ]; then
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distributionSha256Result=false
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if [ "$MVN_CMD" = mvnd.sh ]; then
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echo "Checksum validation is not supported for maven-mvnd." >&2
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echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
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exit 1
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elif command -v sha256sum >/dev/null; then
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if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c >/dev/null 2>&1; then
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distributionSha256Result=true
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fi
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elif command -v shasum >/dev/null; then
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if echo "$distributionSha256Sum $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
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distributionSha256Result=true
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fi
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else
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echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
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echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
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exit 1
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fi
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if [ $distributionSha256Result = false ]; then
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echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
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echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
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exit 1
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fi
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fi
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# unzip and move
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if command -v unzip >/dev/null; then
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unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
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else
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tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
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fi
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printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/mvnw.url"
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mv -- "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
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clean || :
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exec_maven "$@"

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