refactor(build): Add Maven wrapper.
Change-Id: I1859d0edf1576f18564e8d2c2e0afa2ebfd04d01
diff --git a/mvnw b/mvnw
new file mode 100755
index 0000000..8d937f4
--- /dev/null
+++ b/mvnw
@@ -0,0 +1,308 @@
+#!/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
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.2.0
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+ if [ -f /usr/local/etc/mavenrc ] ; then
+ . /usr/local/etc/mavenrc
+ fi
+
+ if [ -f /etc/mavenrc ] ; then
+ . /etc/mavenrc
+ fi
+
+ if [ -f "$HOME/.mavenrc" ] ; then
+ . "$HOME/.mavenrc"
+ fi
+
+fi
+
+# OS specific support. $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "$(uname)" in
+ CYGWIN*) cygwin=true ;;
+ MINGW*) mingw=true;;
+ Darwin*) darwin=true
+ # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+ # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+ if [ -z "$JAVA_HOME" ]; then
+ if [ -x "/usr/libexec/java_home" ]; then
+ JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
+ else
+ JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
+ fi
+ fi
+ ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+ if [ -r /etc/gentoo-release ] ; then
+ JAVA_HOME=$(java-config --jre-home)
+ fi
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+ [ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
+ JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ javaExecutable="$(which javac)"
+ if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
+ # readlink(1) is not available as standard on Solaris 10.
+ readLink=$(which readlink)
+ if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
+ if $darwin ; then
+ javaHome="$(dirname "\"$javaExecutable\"")"
+ javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
+ else
+ javaExecutable="$(readlink -f "\"$javaExecutable\"")"
+ fi
+ javaHome="$(dirname "\"$javaExecutable\"")"
+ javaHome=$(expr "$javaHome" : '\(.*\)/bin')
+ JAVA_HOME="$javaHome"
+ export JAVA_HOME
+ fi
+ fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+ if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ else
+ JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
+ fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+ echo "Error: JAVA_HOME is not defined correctly." >&2
+ echo " We cannot execute $JAVACMD" >&2
+ exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+ echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+ if [ -z "$1" ]
+ then
+ echo "Path not specified to find_maven_basedir"
+ return 1
+ fi
+
+ basedir="$1"
+ wdir="$1"
+ while [ "$wdir" != '/' ] ; do
+ if [ -d "$wdir"/.mvn ] ; then
+ basedir=$wdir
+ break
+ fi
+ # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+ if [ -d "${wdir}" ]; then
+ wdir=$(cd "$wdir/.." || exit 1; pwd)
+ fi
+ # end of workaround
+ done
+ printf '%s' "$(cd "$basedir" || exit 1; pwd)"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+ if [ -f "$1" ]; then
+ # Remove \r in case we run on Windows within Git Bash
+ # and check out the repository with auto CRLF management
+ # enabled. Otherwise, we may read lines that are delimited with
+ # \r\n and produce $'-Xarg\r' rather than -Xarg due to word
+ # splitting rules.
+ tr -s '\r\n' ' ' < "$1"
+ fi
+}
+
+log() {
+ if [ "$MVNW_VERBOSE" = true ]; then
+ printf '%s\n' "$1"
+ fi
+}
+
+BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
+if [ -z "$BASE_DIR" ]; then
+ exit 1;
+fi
+
+MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
+log "$MAVEN_PROJECTBASEDIR"
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
+if [ -r "$wrapperJarPath" ]; then
+ log "Found $wrapperJarPath"
+else
+ log "Couldn't find $wrapperJarPath, downloading it ..."
+
+ if [ -n "$MVNW_REPOURL" ]; then
+ wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+ else
+ wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
+ fi
+ while IFS="=" read -r key value; do
+ # Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
+ safeValue=$(echo "$value" | tr -d '\r')
+ case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
+ esac
+ done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+ log "Downloading from: $wrapperUrl"
+
+ if $cygwin; then
+ wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
+ fi
+
+ if command -v wget > /dev/null; then
+ log "Found wget ... using wget"
+ [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ else
+ wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+ fi
+ elif command -v curl > /dev/null; then
+ log "Found curl ... using curl"
+ [ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+ else
+ curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
+ fi
+ else
+ log "Falling back to using Java to download"
+ javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
+ javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
+ # For Cygwin, switch paths to Windows format before running javac
+ if $cygwin; then
+ javaSource=$(cygpath --path --windows "$javaSource")
+ javaClass=$(cygpath --path --windows "$javaClass")
+ fi
+ if [ -e "$javaSource" ]; then
+ if [ ! -e "$javaClass" ]; then
+ log " - Compiling MavenWrapperDownloader.java ..."
+ ("$JAVA_HOME/bin/javac" "$javaSource")
+ fi
+ if [ -e "$javaClass" ]; then
+ log " - Running MavenWrapperDownloader.java ..."
+ ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
+ fi
+ fi
+ fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+# If specified, validate the SHA-256 sum of the Maven wrapper jar file
+wrapperSha256Sum=""
+while IFS="=" read -r key value; do
+ case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
+ esac
+done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
+if [ -n "$wrapperSha256Sum" ]; then
+ wrapperSha256Result=false
+ if command -v sha256sum > /dev/null; then
+ if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
+ wrapperSha256Result=true
+ fi
+ elif command -v shasum > /dev/null; then
+ if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
+ wrapperSha256Result=true
+ fi
+ else
+ echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
+ echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
+ exit 1
+ fi
+ if [ $wrapperSha256Result = false ]; then
+ echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
+ echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
+ echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
+ exit 1
+ fi
+fi
+
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
+ [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+ MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+# shellcheck disable=SC2086 # safe args
+exec "$JAVACMD" \
+ $MAVEN_OPTS \
+ $MAVEN_DEBUG_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"