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drozzy committed Apr 3, 2014
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17 changes: 17 additions & 0 deletions .gitignore
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*#
*.iml
*.ipr
*.iws
*.pyc
*.tm.epoch
*.vim
*-shim.sbt
.idea/
/project/plugins/project
project/boot
target/
/logs
.cache
.classpath
.project
.settings
13 changes: 13 additions & 0 deletions LICENSE
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Copyright 2013 Typesafe, Inc.

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

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.
1 change: 1 addition & 0 deletions README.txt
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Rewrite in Akka of "Parallel discrete event simulation" example from the "Chapter 32: Actors and Concurrency" from Programming in Scala, 2nd, by Martin Odersky.
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309 changes: 309 additions & 0 deletions activator
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#!/bin/bash

### ------------------------------- ###
### Helper methods for BASH scripts ###
### ------------------------------- ###

realpath () {
(
TARGET_FILE="$1"
CHECK_CYGWIN="$2"

cd $(dirname "$TARGET_FILE")
TARGET_FILE=$(basename "$TARGET_FILE")

COUNT=0
while [ -L "$TARGET_FILE" -a $COUNT -lt 100 ]
do
TARGET_FILE=$(readlink "$TARGET_FILE")
cd $(dirname "$TARGET_FILE")
TARGET_FILE=$(basename "$TARGET_FILE")
COUNT=$(($COUNT + 1))
done

if [ "$TARGET_FILE" == "." -o "$TARGET_FILE" == ".." ]; then
cd "$TARGET_FILE"
TARGET_FILEPATH=
else
TARGET_FILEPATH=/$TARGET_FILE
fi

# make sure we grab the actual windows path, instead of cygwin's path.
if [[ "x$CHECK_CYGWIN" == "x" ]]; then
echo "$(pwd -P)/$TARGET_FILE"
else
echo $(cygwinpath "$(pwd -P)/$TARGET_FILE")
fi
)
}

# TODO - Do we need to detect msys?

# Uses uname to detect if we're in the odd cygwin environment.
is_cygwin() {
local os=$(uname -s)
case "$os" in
CYGWIN*) return 0 ;;
*) return 1 ;;
esac
}

# This can fix cygwin style /cygdrive paths so we get the
# windows style paths.
cygwinpath() {
local file="$1"
if is_cygwin; then
echo $(cygpath -w $file)
else
echo $file
fi
}

# Make something URI friendly
make_url() {
url="$1"
local nospaces=${url// /%20}
if is_cygwin; then
echo "/${nospaces//\\//}"
else
echo "$nospaces"
fi
}

# Detect if we should use JAVA_HOME or just try PATH.
get_java_cmd() {
if [[ -n "$JAVA_HOME" ]] && [[ -x "$JAVA_HOME/bin/java" ]]; then
echo "$JAVA_HOME/bin/java"
else
echo "java"
fi
}

echoerr () {
echo 1>&2 "$@"
}
vlog () {
[[ $verbose || $debug ]] && echoerr "$@"
}
dlog () {
[[ $debug ]] && echoerr "$@"
}
execRunner () {
# print the arguments one to a line, quoting any containing spaces
[[ $verbose || $debug ]] && echo "# Executing command line:" && {
for arg; do
if printf "%s\n" "$arg" | grep -q ' '; then
printf "\"%s\"\n" "$arg"
else
printf "%s\n" "$arg"
fi
done
echo ""
}

exec "$@"
}
addJava () {
dlog "[addJava] arg = '$1'"
java_args=( "${java_args[@]}" "$1" )
}
addApp () {
dlog "[addApp] arg = '$1'"
sbt_commands=( "${app_commands[@]}" "$1" )
}
addResidual () {
dlog "[residual] arg = '$1'"
residual_args=( "${residual_args[@]}" "$1" )
}
addDebugger () {
addJava "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=$1"
}
# a ham-fisted attempt to move some memory settings in concert
# so they need not be messed around with individually.
get_mem_opts () {
local mem=${1:-1024}
local perm=$(( $mem / 4 ))
(( $perm > 256 )) || perm=256
(( $perm < 1024 )) || perm=1024
local codecache=$(( $perm / 2 ))

echo "-Xms${mem}m -Xmx${mem}m -XX:MaxPermSize=${perm}m -XX:ReservedCodeCacheSize=${codecache}m"
}
require_arg () {
local type="$1"
local opt="$2"
local arg="$3"
if [[ -z "$arg" ]] || [[ "${arg:0:1}" == "-" ]]; then
die "$opt requires <$type> argument"
fi
}
require_arg () {
local type="$1"
local opt="$2"
local arg="$3"
if [[ -z "$arg" ]] || [[ "${arg:0:1}" == "-" ]]; then
die "$opt requires <$type> argument"
fi
}
is_function_defined() {
declare -f "$1" > /dev/null
}

# If we're *not* running in a terminal, and we don't have any arguments, then we need to add the 'ui' parameter
detect_terminal_for_ui() {
[[ ! -t 0 ]] && [[ "${#residual_args}" == "0" ]] && {
addResidual "ui"
}
# SPECIAL TEST FOR MAC
[[ "$(uname)" == "Darwin" ]] && [[ "$HOME" == "$PWD" ]] && [[ "${#residual_args}" == "0" ]] && {
echo "Detected MAC OSX launched script...."
echo "Swapping to UI"
addResidual "ui"
}
}

# Processes incoming arguments and places them in appropriate global variables. called by the run method.
process_args () {
while [[ $# -gt 0 ]]; do
case "$1" in
-h|-help) usage; exit 1 ;;
-v|-verbose) verbose=1 && shift ;;
-d|-debug) debug=1 && shift ;;

-mem) require_arg integer "$1" "$2" && app_mem="$2" && shift 2 ;;
-jvm-debug) require_arg port "$1" "$2" && addDebugger $2 && shift 2 ;;

-java-home) require_arg path "$1" "$2" && java_cmd="$2/bin/java" && shift 2 ;;

-D*) addJava "$1" && shift ;;
-J*) addJava "${1:2}" && shift ;;
*) addResidual "$1" && shift ;;
esac
done

is_function_defined process_my_args && {
myargs=("${residual_args[@]}")
residual_args=()
process_my_args "${myargs[@]}"
}
}

# Actually runs the script.
run() {
# TODO - check for sane environment

# process the combined args, then reset "$@" to the residuals
process_args "$@"
detect_terminal_for_ui
set -- "${residual_args[@]}"
argumentCount=$#

#check for jline terminal fixes on cygwin
if is_cygwin; then
stty -icanon min 1 -echo > /dev/null 2>&1
addJava "-Djline.terminal=jline.UnixTerminal"
addJava "-Dsbt.cygwin=true"
fi
# run sbt
execRunner "$java_cmd" \
"-Dactivator.home=$(make_url "$activator_home")" \
$(get_mem_opts $app_mem) \
${java_opts} \
${java_args[@]} \
-jar "$app_launcher" \
"${app_commands[@]}" \
"${residual_args[@]}"

local exit_code=$?
if is_cygwin; then
stty icanon echo > /dev/null 2>&1
fi
exit $exit_code
}

# Loads a configuration file full of default command line options for this script.
loadConfigFile() {
cat "$1" | sed '/^\#/d'
}

### ------------------------------- ###
### Start of customized settings ###
### ------------------------------- ###
usage() {
cat <<EOM
Usage: $script_name [ui] [options]
ui starts the Activator UI
new Create a new project from a template
-h | -help print this message
-v | -verbose this runner is chattier
-d | -debug set sbt log level to debug
-mem <integer> set memory options (default: $sbt_mem, which is $(get_mem_opts $sbt_mem))
-jvm-debug <port> Turn on JVM debugging, open at the given port.
# java version (default: java from PATH, currently $(java -version 2>&1 | grep version))
-java-home <path> alternate JAVA_HOME
# jvm options and output control
JAVA_OPTS environment variable, if unset uses "$java_opts"
-Dkey=val pass -Dkey=val directly to the java runtime
-J-X pass option -X directly to the java runtime
(-J is stripped)
In the case of duplicated or conflicting options, the order above
shows precedence: JAVA_OPTS lowest, command line options highest.
EOM
}

### ------------------------------- ###
### Main script ###
### ------------------------------- ###

declare -a residual_args
declare -a java_args
declare -a app_commands
declare -r real_script_path="$(realpath "$0")"
declare -r activator_home="$(realpath "$(dirname "$real_script_path")")"
declare -r app_version="1.0.13"

declare -r app_launcher="${activator_home}/activator-launch-${app_version}.jar"
declare -r script_name=activator
declare -r java_cmd=$(get_java_cmd)
userhome="$HOME"
if is_cygwin; then
# cygwin sets home to something f-d up, set to real windows homedir
userhome="$USERPROFILE"
fi
declare -r activator_user_home_dir="${userhome}/.activator"
declare -r java_opts_config="${activator_user_home_dir}/activatorconfig.txt"

# Now check to see if it's a good enough version
declare -r java_version=$("$java_cmd" -version 2>&1 | awk -F '"' '/version/ {print $2}')
if [[ "$java_version" == "" ]]; then
echo
echo No java installations was detected.
echo Please go to http://www.java.com/getjava/ and download
echo
exit 1
elif [[ ! "$java_version" > "1.6" ]]; then
echo
echo The java installation you have is not up to date
echo Activator requires at least version 1.6+, you have
echo version $java_version
echo
echo Please go to http://www.java.com/getjava/ and download
echo a valid Java Runtime and install before running Activator.
echo
exit 1
fi

# if configuration files exist, prepend their contents to the java args so it can be processed by this runner
if [[ -f "$java_opts_config" ]]; then
config_opts=$(loadConfigFile "$java_opts_config")
for item in $config_opts
do
addJava "$item"
done
fi

run "$@"
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