Add littleapp example of embedding Trinidad

nicksieger · Mar 21, 2011 · 4350104 · 4350104
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diff --git a/.gitignore b/.gitignore
@@ -1 +1,6 @@
 pkg
+/littleapp/littleapp.jar
+/rails-3.0.1/rails-3.0.1.jar
+/ringpiano/ringpiano.jar
+/ringpiano/warbler-1.3.0.beta1.jar
+/littleapp/app/tmp/restart.txt
diff --git a/README.md b/README.md
@@ -49,3 +49,8 @@ actually work on the Rails app...
 This is just a simple Ruby script demonstrating the `Warbler::Jar` API
 for creating archives from Ruby. Run with `jruby jar.rb` after
 installing Warbler.
+
+### Littleapp
+
+This is another Warbler jar example that creates a simple rack
+application and serves it with Trinidad as an executable ruby jar.
diff --git a/littleapp/Gemfile b/littleapp/Gemfile
@@ -0,0 +1,3 @@
+source "http://rubygems.org"
+gem "rack"
+gem "trinidad"
diff --git a/littleapp/Gemfile.lock b/littleapp/Gemfile.lock
@@ -0,0 +1,16 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    jruby-rack (1.0.7)
+    rack (1.2.2)
+    trinidad (1.1.0)
+      jruby-rack (>= 1.0.6)
+      trinidad_jars (>= 1.0.0)
+    trinidad_jars (1.0.1)
+
+PLATFORMS
+  java
+
+DEPENDENCIES
+  rack
+  trinidad
diff --git a/littleapp/app/config.ru b/littleapp/app/config.ru
@@ -0,0 +1 @@
+run lambda {|env| [200, {"Content-Type" => "text/plain"}, ["Hello World!"]] }
diff --git a/littleapp/bin/littleapp b/littleapp/bin/littleapp
@@ -0,0 +1,46 @@
+#!/usr/bin/env ruby
+
+require 'rubygems'
+require 'bundler/setup'
+require 'littleapp'
+
+if __FILE__ =~ /(.*\.jar)\!/
+  require 'jruby'
+  require 'fileutils'
+  # strip off file: and !/.* parts of jar paths
+  jar_file_name = __FILE__.sub(/file:([^!]+)!.*/, '\1')
+  # Warbler already extracts JRuby jars to a temp dir, if we extract
+  # our files there, they'll be cleaned up for us
+  extract_root = File.dirname(JRuby.runtime.instance_config.jruby_home.sub(/file:([^!]+)!.*/, '\1'))
+
+  puts "Extracting app from #{jar_file_name} to #{extract_root}/app"
+  appdir = File.join(extract_root, "app")
+  FileUtils.mkdir_p(appdir)
+
+  jar_file = java.util.jar.JarFile.new(jar_file_name)
+  jar_file.entries.each do |entry|
+    if entry.name =~ /^littleapp\/app/
+      entry_name = entry.name.sub('littleapp/app', '')
+      if entry.directory?
+        FileUtils.mkdir_p File.join(appdir, entry_name)
+      else
+        begin
+          entryio = jar_file.get_input_stream(entry).to_io
+          entry_path = File.join(appdir, entry_name)
+          FileUtils.mkdir_p File.dirname(entry_path)
+          File.open(entry_path, "w") {|f| f << entryio.read }
+        ensure
+          entryio.close rescue nil
+        end
+      end
+    end
+  end
+
+else
+  appdir = File.expand_path('../../app', __FILE__)
+end
+
+ARGV.clear
+# Put additional trinidad options here
+ARGV.unshift *['--dir', appdir, '--rackup' ]
+load Gem.bin_path('trinidad', 'trinidad')
diff --git a/littleapp/config/warble.rb b/littleapp/config/warble.rb
@@ -0,0 +1,146 @@
+# Disable Rake-environment-task framework detection by uncommenting/setting to false
+# Warbler.framework_detection = false
+
+class Warbler::Traits::Rack
+  # Override Rack autodetect
+  def self.detect?
+    false
+  end
+end
+
+# Warbler web application assembly configuration file
+Warbler::Config.new do |config|
+  # Features: additional options controlling how the jar is built.
+  # Currently the following features are supported:
+  # - gemjar: package the gem repository in a jar file in WEB-INF/lib
+  # - executable: embed a web server and make the war executable
+  # - compiled: compile .rb files to .class files
+  # config.features = %w(gemjar)
+
+  # Application directories to be included in the webapp.
+  config.dirs = %w(bin app lib)
+
+  # Additional files/directories to include, above those in config.dirs
+  # config.includes = FileList["db"]
+
+  # Additional files/directories to exclude
+  config.excludes = FileList["app/{log,tmp,work}"]
+
+  # Additional Java .jar files to include.  Note that if .jar files are placed
+  # in lib (and not otherwise excluded) then they need not be mentioned here.
+  # JRuby and JRuby-Rack are pre-loaded in this list.  Be sure to include your
+  # own versions if you directly set the value
+  # config.java_libs += FileList["lib/java/*.jar"]
+
+  # Loose Java classes and miscellaneous files to be included.
+  # config.java_classes = FileList["target/classes/**.*"]
+
+  # One or more pathmaps defining how the java classes should be copied into
+  # the archive. The example pathmap below accompanies the java_classes
+  # configuration above. See http://rake.rubyforge.org/classes/String.html#M000017
+  # for details of how to specify a pathmap.
+  # config.pathmaps.java_classes << "%{target/classes/,}p"
+
+  # Bundler support is built-in. If Warbler finds a Gemfile in the
+  # project directory, it will be used to collect the gems to bundle
+  # in your application. If you wish to explicitly disable this
+  # functionality, uncomment here.
+  # config.bundler = false
+
+  # An array of Bundler groups to avoid including in the war file.
+  # Defaults to ["development", "test"].
+  # config.bundle_without = []
+
+  # Other gems to be included. If you don't use Bundler or a gemspec
+  # file, you need to tell Warbler which gems your application needs
+  # so that they can be packaged in the archive.
+  # For Rails applications, the Rails gems are included by default
+  # unless the vendor/rails directory is present.
+  # config.gems += ["activerecord-jdbcmysql-adapter", "jruby-openssl"]
+  # config.gems << "tzinfo"
+
+  # Uncomment this if you don't want to package rails gem.
+  # config.gems -= ["rails"]
+
+  # The most recent versions of gems are used.
+  # You can specify versions of gems by using a hash assignment:
+  # config.gems["rails"] = "2.3.10"
+
+  # You can also use regexps or Gem::Dependency objects for flexibility or
+  # finer-grained control.
+  # config.gems << /^merb-/
+  # config.gems << Gem::Dependency.new("merb-core", "= 0.9.3")
+
+  # Include gem dependencies not mentioned specifically. Default is
+  # true, uncomment to turn off.
+  # config.gem_dependencies = false
+
+  # Array of regular expressions matching relative paths in gems to be
+  # excluded from the war. Defaults to empty, but you can set it like
+  # below, which excludes test files.
+  # config.gem_excludes = [/^(test|spec)\//]
+
+  # Pathmaps for controlling how application files are copied into the archive
+  # config.pathmaps.application = ["WEB-INF/%p"]
+
+  # Name of the archive (without the extension). Defaults to the basename
+  # of the project directory.
+  # config.jar_name = "mywar"
+
+  # Name of the MANIFEST.MF template for the war file. Defaults to a simple
+  # MANIFEST.MF that contains the version of Warbler used to create the war file.
+  # config.manifest_file = "config/MANIFEST.MF"
+
+  # When using the 'compiled' feature and specified, only these Ruby
+  # files will be compiled. Default is to compile all \.rb files in
+  # the application.
+  # config.compiled_ruby_files = FileList['app/**/*.rb']
+
+  # === War files only below here ===
+
+  # Path to the pre-bundled gem directory inside the war file. Default
+  # is 'WEB-INF/gems'. Specify path if gems are already bundled
+  # before running Warbler. This also sets 'gem.path' inside web.xml.
+  # config.gem_path = "WEB-INF/vendor/bundler_gems"
+
+  # Files for WEB-INF directory (next to web.xml). This contains
+  # web.xml by default. If there is an .erb-File it will be processed
+  # with webxml-config. You may want to exclude this file via
+  # config.excludes.
+  # config.webinf_files += FileList["jboss-web.xml"]
+
+  # Files to be included in the root of the webapp.  Note that files in public
+  # will have the leading 'public/' part of the path stripped during staging.
+  # config.public_html = FileList["public/**/*", "doc/**/*"]
+
+  # Pathmaps for controlling how public HTML files are copied into the .war
+  # config.pathmaps.public_html = ["%{public/,}p"]
+
+  # Value of RAILS_ENV for the webapp -- default as shown below
+  # config.webxml.rails.env = ENV['RAILS_ENV'] || 'production'
+
+  # Application booter to use, one of :rack, :rails, or :merb (autodetected by default)
+  # config.webxml.booter = :rails
+
+  # When using the :rack booter, "Rackup" script to use.
+  # - For 'rackup.path', the value points to the location of the rackup
+  # script in the web archive file. You need to make sure this file
+  # gets included in the war, possibly by adding it to config.includes
+  # or config.webinf_files above.
+  # - For 'rackup', the rackup script you provide as an inline string
+  #   is simply embedded in web.xml.
+  # The script is evaluated in a Rack::Builder to load the application.
+  # Examples:
+  # config.webxml.rackup.path = 'WEB-INF/hello.ru'
+  # config.webxml.rackup = %{require './lib/demo'; run Rack::Adapter::Camping.new(Demo)}
+  # config.webxml.rackup = require 'cgi' && CGI::escapeHTML(File.read("config.ru"))
+
+  # Control the pool of Rails runtimes. Leaving unspecified means
+  # the pool will grow as needed to service requests. It is recommended
+  # that you fix these values when running a production server!
+  # config.webxml.jruby.min.runtimes = 2
+  # config.webxml.jruby.max.runtimes = 4
+
+  # JNDI data source name
+  # config.webxml.jndi = 'jdbc/rails'
+end
diff --git a/littleapp/lib/littleapp.rb b/littleapp/lib/littleapp.rb
@@ -0,0 +1,4 @@
+module Littleapp
+  VERSION = "1.0"
+  puts "This is Littleapp version #{VERSION}"
+end