Class: Warbler::Traits::War

Inherits:
Object
  • Object
show all
Includes:
PathmapHelper, RakeHelper, Warbler::Trait
Defined in:
lib/warbler/traits/war.rb

Overview

The War trait sets up the layout and generates web.xml for the war project.

Defined Under Namespace

Classes: WebxmlOpenStruct

Constant Summary collapse

DEFAULT_GEM_PATH = 
'/WEB-INF/gems'

Instance Attribute Summary

Attributes included from Warbler::Trait

#config

Class Method Summary collapse

Instance Method Summary collapse

Methods included from PathmapHelper

#apply_pathmaps

Methods included from RakeHelper

extended, included

Methods included from Warbler::Trait

#add_init_load_path, #add_main_rb, included, #initialize, #jruby_jars, #update_gem_path

Class Method Details

.detect? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/warbler/traits/war.rb', line 20

def self.detect?
  Traits::Rails.detect? || Traits::Rack.detect?
end

Instance Method Details

#add_executables(jar) ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 114

def add_executables(jar)
  webserver = WEB_SERVERS[config.webserver.to_s]
  webserver.add(jar)
  add_runnables jar, webserver.main_class || 'WarMain'
end

#add_gemjar(jar) ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 120

def add_gemjar(jar)
  gem_jar = Warbler::Jar.new
  gem_path = Regexp::quote(config.relative_gem_path)
  gems = jar.files.select{|k,v| k =~ %r{#{gem_path}/} }
  gems.each do |k,v|
    gem_jar.files[k.sub(%r{#{gem_path}/}, '')] = v
  end
  jar.files["WEB-INF/lib/gems.jar"] = "tmp/gems.jar"
  jar.files.reject!{|k,v| k =~ /#{gem_path}/ || k == "WEB-INF/tmp/gems.jar"}
  mkdir_p "tmp"
  gem_jar.add_manifest
  gem_jar.create("tmp/gems.jar")
end

#add_public_files(jar) ⇒ Object

Add public/static assets to the root of the war file.



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# File 'lib/warbler/traits/war.rb', line 86

def add_public_files(jar)
  config.public_html.exclude *(config.excludes.to_a)
  config.public_html.map {|f| jar.add_with_pathmaps(config, f, :public_html) }
end

#add_runnables(jar, main_class = 'WarMain') ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 103

def add_runnables(jar, main_class = 'WarMain')
  main_class = main_class.sub('.class', '') # handles WarMain.class
  unless config.manifest_file
    manifest = Warbler::Jar::DEFAULT_MANIFEST.chomp + "Main-Class: #{main_class}\n"
    jar.files['META-INF/MANIFEST.MF'] = StringIO.new(manifest)
  end
  [ 'JarMain', 'WarMain', main_class ].uniq.each do |klass|
    jar.files["#{klass}.class"] = jar.entry_in_jar(WARBLER_JAR, "#{klass}.class")
  end
end

#add_webxml(jar) ⇒ Object

Add web.xml and other WEB-INF configuration files from config.webinf_files to the war file.



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# File 'lib/warbler/traits/war.rb', line 93

def add_webxml(jar)
  config.webinf_files.each do |wf|
    if wf =~ /\.erb$/
      jar.files[apply_pathmaps(config, wf, :webinf)] = jar.expand_erb(wf, config)
    else
      jar.files[apply_pathmaps(config, wf, :webinf)] = wf
    end
  end
end

#after_configure ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 35

def after_configure
  update_gem_path(DEFAULT_GEM_PATH)
end

#before_configure ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 24

def before_configure
  config.gem_path      = DEFAULT_GEM_PATH
  config.pathmaps      = default_pathmaps
  config.webxml        = default_webxml_config
  config.webinf_files  = default_webinf_files
  config.java_libs     = default_jar_files
  config.public_html   = FileList["public/**/{.[!.],.??*,*}"] # include dotfiles
  config.jar_extension = 'war'
  config.init_contents << "#{config.warbler_templates}/war.erb"
end

#default_jar_files ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 70

def default_jar_files
  require 'jruby-jars' unless defined? JRubyJars.core_jar_path
  require 'jruby-rack' unless defined? JRubyJars.jruby_rack_jar_path
  FileList[JRubyJars.core_jar_path, JRubyJars.stdlib_jar_path, JRubyJars.jruby_rack_jar_path]
end

#default_pathmaps ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 39

def default_pathmaps
  p = OpenStruct.new
  p.public_html  = ["%{public/,}p"]
  p.java_libs    = ["WEB-INF/lib/%f"]
  p.java_classes = ["WEB-INF/classes/%p"]
  p.application  = ["WEB-INF/%p"]
  p.webinf       = ["WEB-INF/%{.erb$,}f"]
  p.gemspecs     = ["#{config.relative_gem_path}/specifications/%f"]
  p.gems         = ["#{config.relative_gem_path}/gems/%p"]
  p
end

#default_webinf_files ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 59

def default_webinf_files
  webxml = if File.exist?("config/web.xml")
    "config/web.xml"
  elsif File.exist?("config/web.xml.erb")
    "config/web.xml.erb"
  else
    "#{WARBLER_HOME}/web.xml.erb"
  end
  FileList[webxml]
end

#default_webxml_config ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 51

def default_webxml_config
  c = WebxmlOpenStruct.new
  c.public.root = '/'
  c.jndi = nil
  c.ignored = %w(jndi booter)
  c
end

#empty_jar ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 156

def empty_jar
  @empty_jar ||= begin
    t = Tempfile.new(["empty", "jar"])
    path = t.path
    t.close!
    ZipSupport.create(path) do |zipfile|
      zipfile.mkdir("META-INF")
      zipfile.get_output_stream("META-INF/MANIFEST.MF") {|f| f << ::Warbler::Jar::DEFAULT_MANIFEST }
    end
    at_exit { File.delete(path) }
    path
  end
end

#move_jars_to_webinf_lib(jar, selector = nil) ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 134

def move_jars_to_webinf_lib(jar, selector = nil)
  return unless selector # default is false
  selector = /.*/ if selector == true # move all if not a RegExp given
  default_jar_paths = default_jar_files
  default_jars = default_jar_paths.map { |file| File.basename(file) }
  jar.files.keys.select { |k| k =~ /^WEB-INF\/.*\.jar$/ }.each do |k|
    if k.start_with?('WEB-INF/lib/') # .jar already in WEB-INF/lib
      if default_jars.include? k.sub('WEB-INF/lib/', '')
        # exclude default jar (if it's not matched by selector) :
        jar.files.delete(k) unless selector =~ File.basename(k)
      end
      next
    end
    next unless selector =~ File.basename(k)
    # default jars might end up mapped twice as they're part of gems
    next if default_jar_paths.include?(jar.files[k])
    name = k.sub('WEB-INF', '')[1..-1].gsub(/[\/\\]/, '-')
    jar.files["WEB-INF/lib/#{name}"] = jar.files[k]
    jar.files[k] = empty_jar
  end
end

#update_archive(jar) ⇒ Object 



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# File 'lib/warbler/traits/war.rb', line 76

def update_archive(jar)
  add_public_files(jar)
  add_webxml(jar)
  move_jars_to_webinf_lib(jar, config.move_jars_to_webinf_lib)
  add_runnables(jar) if config.features.include?("runnable")
  add_executables(jar) if config.features.include?("executable")
  add_gemjar(jar) if config.features.include?("gemjar")
end