Java example source code file (rungen)

This example Java source code file (rungen) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

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Java - Java tags/keywords

archs, argv, env, general, gnu, jobjc_jar, libpath, license, objroot, oracle, public, software, stable_gen_dir, this

The rungen Java example source code

#!/usr/bin/env ruby
#
# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#
#

xcodeAction = ARGV[0]

exit unless xcodeAction == "install"

JOBJC_JAR = ARGV[1]
LIBPATH = ARGV[2]
OBJROOT = ARGV[3]
ARCHS   = ARGV[4]
STABLE_GEN_DIR = ARGV[5]

ourJavaHome = ENV['JAVA_HOME']
ourJavaVersion = `java -fullversion 2>&1`
$stderr.puts "ENV['JAVA_HOME'] = #{ourJavaHome}"
$stderr.puts "java -fullversion = #{ourJavaVersion}"

$stderr.puts "jobjc_jar = #{JOBJC_JAR}"
$stderr.puts "libpath = #{LIBPATH}"
$stderr.puts "objroot = #{OBJROOT}"
$stderr.puts "ARCHS   = #{ARCHS}"
$stderr.puts "STABLE_GEN_DIR = #{STABLE_GEN_DIR}"

jarch = if ARCHS =~ /x86_64/ then "-d64" else "-d32" end

# compute the boot class path, but remove the JObjC jar file that may have been installed in the boot jdk

bootclasspathcmd = "java -classpath #{OBJROOT}/bin/core:#{OBJROOT}/bin/generator com.apple.internal.jobjc.generator.BootClassPathMinus #{JOBJC_JAR}"
$stderr.puts bootclasspathcmd
bootclasspath = `#{bootclasspathcmd}`

$stderr.puts "bootclasspath is: "
$stderr.puts bootclasspath

# we run the generator with our newly created JObjC.  The installed version (if available) has been removed from
# the boot class path, so we are building with everything newly created.
cmd = "java #{jarch} -Xms128m -Xmx512m -Djava.library.path=#{LIBPATH} -Xbootclasspath:#{bootclasspath.chomp} -classpath #{OBJROOT}/bin/core:#{OBJROOT}/bin/generator -ea com.apple.internal.jobjc.generator.Generator dst=#{OBJROOT}/src/jobjc frameworks=#{STABLE_GEN_DIR}"

$stderr.puts cmd
puts `#{cmd} 2>&1`

raise $?.to_i if $?.to_i != 0