diff --git a/install.sh b/install.sh
index 645f8d9..5410ecd 100755
--- a/install.sh
+++ b/install.sh
@@ -1,97 +1,50 @@
 #!/bin/bash
 
-INSTALL_LOCATION='/usr/local/lib/jdtls-launcher'
-LINK_LOCATION='/usr/local/bin/jdtls'
-JDTLS_ROOT="$INSTALL_LOCATION/jdtls"
-LOMBOK="$JDTLS_ROOT/plugins/lombok.jar"
-
-function install_launcher {
-    if [[ -d "$INSTALL_LOCATION" ]]; then
-        echo "ERROR: Installation found at $INSTALL_LOCATION" >> /dev/stderr
-    fi
-
-    mkdir -p "$INSTALL_LOCATION"
-    chmod 755 "$INSTALL_LOCATION"
-    cp jdtls-launcher.sh "$INSTALL_LOCATION"
-    chmod +x "$INSTALL_LOCATION/jdtls-launcher.sh"
-    ln -s "$INSTALL_LOCATION/jdtls-launcher.sh" "$LINK_LOCATION"
-}
-
-function install_jdtls {
-    EQUINOX_LAUNCHER=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.equinox.launcher_*' 2> /dev/null`
-    if [[ -f "EQUINOX_LAUNCHER" ]]; then
-        echo "ERROR: JDTLS installation found at $JDTLS_ROOT" >> /dev/stderr
-        exit 1
-    fi
-
-    LATEST=`curl -s http://download.eclipse.org/jdtls/snapshots/latest.txt`
-    echo "INFO: About to install $LATEST to $JDTLS_ROOT"
-
-    rm -rf "$JDTLS_ROOT"
-    mkdir -p "$JDTLS_ROOT" || exit 1
-    cd "$JDTLS_ROOT"
-
-    curl "http://download.eclipse.org/jdtls/snapshots/$LATEST" > "$LATEST"
-    tar -xf "$LATEST"
-    rm "$LATEST"
-    chmod -R 777 "$JDTLS_ROOT"
-
-    # Installation check
-    EQUINOX_LAUNCHER=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.equinox.launcher_*' 2> /dev/null`
-    if ! [[ -f "$EQUINOX_LAUNCHER" ]]; then
-        echo 'ERROR: JDTLS installation failure' > /dev/stderr
-        exit 1
-    else
-        echo 'INFO: JDTLS installation succesfull'
-    fi
-}
+### GATHER INSTALL INFORMATION ###
+if  [ "$EUID" -ne 0 ]; then
+    echo 'INFO: Performing user level installation'
+    INSTALL_LOCATION=${1:-"$HOME/.local/lib/jdtls-launcher"}
+    LINK_LOCATION="$HOME/.local/bin/jdtls"
+else
+    echo 'INFO: Performing system level installation'
+    INSTALL_LOCATION=${1:-'/usr/local/lib/jdtls-launcher'}
+    LINK_LOCATION='/usr/local/bin/jdtls'
+fi
+INSTALL_ROOT=${INSTALL_LOCATION%/*}
+TARBALL_LOCATION='/tmp/jdtls-launcher.tar.gz'
+DOWNLOAD_URL=`curl -s https://api.github.com/repos/eruizc-dev/jdtls-launcher/releases/latest | grep 'tarball_url' | egrep -o 'https://[^"]+'`
 
-function install_lombok {
-    if [[ -f "$LOMBOK" ]]; then
-        echo "ERROR: Lombok installation found at $LOMBOK"> /dev/stderr
-        exit 1
-    fi
+### CHECK PERMISSIONS ###
+if [ ! -d "$INSTALL_ROOT" ]; then
+    echo "ERROR: $INSTALL_ROOT not a directory" >> /dev/stderr
+    exit 1
+fi
 
-    echo "INFO: Installing Lombok to $LOMBOK"
-    curl "https://projectlombok.org/downloads/lombok.jar" > "$LOMBOK"
+if [ ! -w "$INSTALL_ROOT" ]; then
+    echo "ERROR: not enough permissions to install to $INSTALL_ROOT" >> /dev/stderr
+    exit 1
+fi
 
-    if ! [[ -f "$LOMBOK" ]]; then
-        echo 'ERROR: Lombok installation failure' > /dev/stderr
-        exit 1
-    else
-        echo 'INFO: Lombok installation succesfull'
-    fi
-}
+### CHECK EXISTING INSTALLATION ###
+if [ -d "$INSTALL_LOCATION" ]; then
+    echo "ERROR: $INSTALL_LOCATION already exists, delete it manually and try again " >> /dev/stderr
+    exit 1
+fi
 
-function install {
-    install_launcher
-    install_jdtls
-    install_lombok
-}
+### DOWNLOAD JDTLS-LAUNCHER ###
+echo 'INFO: Downloading JDTLS-LAUNCHER'
+curl -fLo "$TARBALL_LOCATION" "$DOWNLOAD_URL" 
 
-function uninstall {
-    rm -rf "$INSTALL_LOCATION"
-    rm -f '/usr/local/bin/jdtls'
-}
+echo 'INFO: Extracting JDTLS-LAUNCHER'
+tar -xf "$TARBALL_LOCATION" --directory "$INSTALL_ROOT"
+mv "$INSTALL_ROOT"/eruizc-dev-jdtls-launcher* "$INSTALL_LOCATION"
+chmod -R 755 "$INSTALL_LOCATION"
 
-if  [ "$EUID" -ne 0 ]; then
-    echo 'ERROR: Command must be run as root to complete installation' >> /dev/stderr
-    exit 1
-fi
+### CREATE LINK ###
+echo "INFO: Creating symlink ${LINK_LOCATION}"
+rm "$LINK_LOCATION" 2> /dev/null
+ln -s "$INSTALL_LOCATION/jdtls-launcher.sh" "$LINK_LOCATION"
 
-if [[ -d "$INSTALL_LOCATION" ]]; then
-    read -p 'WARNING: Installation found, reinstall? y/[N]: ' CHOICE
-    case "$CHOICE" in
-        y|Y )
-            uninstall
-            install
-            ;;
-        * ) 
-            echo 'INFO: Installation aborted by user'
-            exit 0
-    esac 
-else
-    install
-fi
+### INSTALL JDTLS ###
+jdtls --install
 
-echo 'INFO: Process finished'
diff --git a/jdtls-launcher.sh b/jdtls-launcher.sh
old mode 100755
new mode 100644
index 4e3e992..71f2a0e
--- a/jdtls-launcher.sh
+++ b/jdtls-launcher.sh
@@ -1,59 +1,225 @@
 #!/bin/bash
 
-SCRIPT_VERSION='v1.0.2'
+SYSTEM=`uname -s`
+
+SCRIPT_VERSION='v1.1.0-pre-release'
+SCRIPT_ROOT=`dirname $(realpath "$0")`
+
+JDTLS_ROOT="$SCRIPT_ROOT/jdtls"
+JDTLS_WORKSPACE="$HOME/.cache/jdtls-workspace"
+JDTLS_CORE=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.jdt.ls.core_*' 2> /dev/null`
+JDTLS_EQUINOX_LAUNCHER=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.equinox.launcher_*' 2> /dev/null`
+JDTLS_BACKUP_ROOT="$SCRIPT_ROOT/jdtls-old"
 
-JDTLS_ROOT="/usr/local/lib/jdtls-launcher/jdtls"
-EQUINOX_LAUNCHER=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.equinox.launcher_*'`
-JDTLS_CORE=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.jdt.ls.core_*'`
 LOMBOK="$JDTLS_ROOT/plugins/lombok.jar"
-WORKSPACE="$HOME/workspace"
 
-function get_version {
+### UTILS ###
+function get_jar_version {
     echo $(basename "$1" | awk '{ gsub(/^[^-_]*[-_]?|\.jar$/, ""); print }' | awk '{ gsub(/^$/, "custom"); print }')
 }
 
+### ACTIONS ###
 function print_version {
     echo "jdtls-launcher $SCRIPT_VERSION"
-    echo "equinox-launcher $(get_version "$EQUINOX_LAUNCHER")"
-    echo "jdtls-core $(get_version "$JDTLS_CORE")"
-    echo "lombok $(get_version "$LOMBOK")"
+    echo "equinox-launcher $(get_jar_version "$JDTLS_EQUINOX_LAUNCHER")"
+    echo "jdtls-core $(get_jar_version "$JDTLS_CORE")"
+    echo "lombok $(get_jar_version "$LOMBOK")"
     java --version
 }
 
+function print_help {
+    echo 'jdtls-launcher: install and launch jdtls with a single command'
+    echo 'available options:'
+    echo '  -v | --version      prints version of all components'
+    echo '  -h | --help         prints this menu'
+    echo '  --install           install jdtls if not installed'
+    echo '  --uninstall         uninstall jdtls if installed'
+    echo '  --reinstall         uninstall and install jdtls creating a backup and restoring in case of failure'
+    echo '  --backup            creates a backup of the current jdtls installation'
+    echo '  --restore           restores the jdtls backup'
+}
+
+function install_lombok {
+    echo 'Installing lombok...'
+    if [ ! -w "$SCRIPT_ROOT" ]; then
+        echo "Permission denied, don't you need sudo?" >> /dev/stderr
+        return 1
+    fi
+    if [ -f "$LOMBOK" ]; then
+        echo "Lombok installation found at $LOMBOK, aborting installation" >> /dev/stderr
+        return 0
+    fi
+
+    curl "https://projectlombok.org/downloads/lombok.jar" > "$LOMBOK"
+
+    if [ ! -f "$LOMBOK" ]; then
+        echo ' Lombok installation failure' > /dev/stderr
+        return 1
+    fi
+    echo 'Lombok installation succesfull'
+    return 0
+}
+
+function jdtls_install {
+    echo 'Installing jdtls...'
+    if [ ! -w "$SCRIPT_ROOT" ]; then
+        echo "Permission denied, don't you need sudo?" >> /dev/stderr
+        return 1
+    fi
+    if [ -d "$JDTLS_ROOT" ]; then
+        echo "Jdtls installation found at $JDTLS_ROOT, aborting installation" >> /dev/stderr
+        return 1
+    fi
+
+    LATEST=`curl -s 'http://download.eclipse.org/jdtls/snapshots/latest.txt'`
+    echo "${LATEST%.tar.gz} is going to be installed"
+
+    mkdir -p "$JDTLS_ROOT"
+    cd "$JDTLS_ROOT"
+
+    curl "http://download.eclipse.org/jdtls/snapshots/$LATEST" > "$LATEST"
+    tar -xf "$LATEST"
+    rm "$LATEST"
+    chmod -R 755 "$JDTLS_ROOT"
+    chmod -R 775 "$JDTLS_ROOT"/config_*
+
+    EQUINOX_LAUNCHER=`find "$JDTLS_ROOT/plugins" -type f -name 'org.eclipse.equinox.launcher_*' 2> /dev/null`
+    if ! [[ -f "$EQUINOX_LAUNCHER" ]]; then
+        echo 'JDTLS installation failure' >> /dev/stderr
+        return 1
+    fi
+
+    install_lombok
+
+    echo 'JDTLS installation succesfull'
+    return 0
+}
+
+function jdtls_uninstall {
+    echo 'Uninstalling jdtls...'
+    if [ ! -w "$SCRIPT_ROOT" ]; then
+        echo "Permission denied, don't you need sudo?" >> /dev/stderr
+        return 1
+    fi
+    rm -rf "$JDTLS_ROOT"
+    echo 'JDTLS uninstalled'
+    return 0
+}
+
+function jdtls_reinstall {
+    if [ ! -w "$SCRIPT_ROOT" ]; then
+        echo "Permission denied, don't you need sudo?" >> /dev/stderr
+        return 1
+    fi
+    jdtls_create_backup && (jdtls_uninstall && jdtls_install || jdtls_restore_backup)
+}
+
+function jdtls_create_backup {
+    echo 'Creating jdtls backup...'
+    if [ ! -w "$SCRIPT_ROOT" ]; then
+        echo "Permission denied, don't you need sudo?" >> /dev/stderr
+        return 1
+    fi
+    if [ ! -d "$JDTLS_ROOT" ]; then
+        echo 'Cannot create backup, jdtls installation does not exist' >> /dev/stderr
+        return 1
+    fi
+    rm -rf "$JDTLS_BACKUP_ROOT"
+    cp -r "$JDTLS_ROOT" "$JDTLS_BACKUP_ROOT"
+    echo 'Backup created'
+    return 0
+}
+
+function jdtls_restore_backup {
+    echo 'Restoring jdtls backup...'
+    if [ ! -w "$SCRIPT_ROOT" ]; then
+        echo "Permission denied, don't you need sudo?" >> /dev/stderr
+        return 1
+    fi
+    if [ ! -d "$JDTLS_BACKUP_ROOT" ]; then
+        echo 'Cannot restore backup, backup does not exist' >> /dev/stderr
+        return 1
+    fi
+    rm -rf "$JDTLS_ROOT"
+    mv "$JDTLS_BACKUP_ROOT" "$JDTLS_ROOT"
+    echo 'Backup restored'
+    return 0
+}
+
+function run {
+    if [ ! -d "$JDTLS_ROOT" ]; then
+        echo 'Jdtls installation not found' >> /dev/stderr
+        return 1
+    fi
+
+    case "$SYSTEM" in
+        [Ll]inux) # Linux and WSL
+            CONFIG="$JDTLS_ROOT/config_linux"
+            ;;
+        [Dd]arwin) # MacOS
+            CONFIG="$JDTLS_ROOT/config_mac"
+            ;;
+        *)
+            echo "ERROR: Unknown or unsupported system $SYSTEM" >> /dev/stderr
+            echo "Consider opening a new issue: https://github.com/eruizc-dev/jdtls-launcher/issues/new?title=Unsupported%20system%20$SYSTEM" >> /dev/stderr
+            return 1
+            ;;
+    esac
+
+    java \
+        -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1044 \
+        -Declipse.application=org.eclipse.jdt.ls.core.id1 \
+        -Dosgi.bundles.defaultStartLevel=4 \
+        -Declipse.product=org.eclipse.jdt.ls.core.product \
+        -Dlog.level=ALL \
+        -noverify \
+        -Xmx1G \
+        -javaagent:"$LOMBOK" \
+        -jar "$JDTLS_EQUINOX_LAUNCHER" \
+        -configuration "$CONFIG" \
+        -data "$JDTLS_WORKSPACE" \
+        --add-modules=ALL-SYSTEM \
+        --add-opens java.base/java.util=ALL-UNNAMED \
+        --add-opens java.base/java.lang=ALL-UNNAMED
+}
+
+### PARAM PARSING ###
 case "$1" in
     -v|--version)
         print_version
         exit 0
         ;;
-esac
-
-SYSTEM=`uname -s`
-case "$SYSTEM" in
-    [Ll]inux) # Linux and WSL
-        CONFIG="$JDTLS_ROOT/config_linux"
+    -h|--help)
+        print_help
+        exit 0
+        ;;
+    --backup)
+        jdtls_create_backup
+        exit
+        ;;
+    --restore)
+        jdtls_restore_backup
+        exit
         ;;
-    [Dd]arwin) # MacOS
-        CONFIG="$JDTLS_ROOT/config_mac"
+    --install)
+        jdtls_install
+        exit
+        ;;
+    --uninstall)
+        jdtls_uninstall
+        exit
+        ;;
+    --reinstall)
+        jdtls_reinstall
+        exit
+        ;;
+    "")
+        run
+        exit
         ;;
     *)
-        echo "ERROR: Unknown or unsupported system $SYSTEM" >> /dev/stderr
-        echo "Consider opening a new issue: https://github.com/eruizc-dev/jdtls-launcher/issues/new?title=Unsupported%20system%20$SYSTEM" >> /dev/stderr
+        echo "unknown option $1"
+        print_help
         exit 1
         ;;
 esac
-
-java \
-    -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=1044 \
-    -Declipse.application=org.eclipse.jdt.ls.core.id1 \
-    -Dosgi.bundles.defaultStartLevel=4 \
-    -Declipse.product=org.eclipse.jdt.ls.core.product \
-    -Dlog.level=ALL \
-    -noverify \
-    -Xmx1G \
-    -javaagent:"$LOMBOK" \
-    -jar "$EQUINOX_LAUNCHER" \
-    -configuration "$CONFIG" \
-    -data "$WORKSPACE" \
-    --add-modules=ALL-SYSTEM \
-    --add-opens java.base/java.util=ALL-UNNAMED \
-    --add-opens java.base/java.lang=ALL-UNNAMED