Class: Buildr::Compiler::ExternalJavac

Inherits:
Javac show all
Defined in:
lib/buildr/java/external.rb

Constant Summary collapse

OPTIONS = 
[:jvm, :warnings, :debug, :deprecation, :source, :target, :lint, :other]

Instance Attribute Summary

Attributes inherited from Base

#options

Instance Method Summary collapse

Methods inherited from Javac

#initialize

Methods inherited from Base

applies_to?, #dependencies, dependencies, #initialize, #needed?, specify, to_sym

Constructor Details

This class inherits a constructor from Buildr::Compiler::Javac

Instance Method Details

#compile(sources, target, dependencies) ⇒ Object

:nodoc:



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# File 'lib/buildr/java/external.rb', line 26

def compile(sources, target, dependencies) #:nodoc:
  check_options options, OPTIONS
  cmd_args = []
  # tools.jar contains the Java compiler.
  dependencies << Java.tools_jar if Java.tools_jar
  cmd_args << '-classpath' << dependencies.join(File::PATH_SEPARATOR) unless dependencies.empty?
  source_paths = sources.select { |source| File.directory?(source) }
  cmd_args << '-sourcepath' << source_paths.join(File::PATH_SEPARATOR) unless source_paths.empty?
  cmd_args << '-d' << File.expand_path(target)
  cmd_args += externaljavac_args
  Tempfile.open("external") {|tmp|
    tmp.write files_from_sources(sources).join(' ')
    cmd_args << "@#{tmp.path}"
  }
  unless Buildr.application.options.dryrun
    javac_path = File.join(options[:jvm] || ENV['JAVA_HOME'], "bin", "javac")
    final_args = cmd_args.insert(0, javac_path).push('2>&1').join(' ')
    trace(final_args)
    info %x[#{final_args}]
    fail 'Failed to compile, see errors above' unless $?.success?
  end
end