require "core/project"
require "java/java"

module Buildr
  module Ant

    # Libraries used by #ant.
    REQUIRES = [ "ant:ant:jar:1.6.5", "ant:ant-launcher:jar:1.6.5", "xerces:xercesImpl:jar:2.6.2" ]

    # Make sure Ant and friends show on the classpath. Antwrap must only be loaded after RJB.
    Java.rjb.onload do
      Java.rjb.classpath += REQUIRES
      Java.rjb.onload { require "antwrap" }
    end

    class << self

      # :call-seq:
      #   declarative(name, options?) => AntProject
      #   declarative(name, options?) { |AntProject| ... } => AntProject
      #
      # Returns a declarative AntProject with the specified name. Ant tasks created in this project
      # are not executed until you tell them to.
      #
      # See #ant for more information about options and the block.
      def declarative(name, options = nil, &block)
        options ||= {}
        options = (options || {}).merge(:name=>name, :base_dir=>Dir.pwd, :declarative=>false)
        Java.rjb { AntProject.new(options).tap { |project| yield project if block_given? } }
      end

      # :call-seq:
      #   executable(name, options?) => AntProject
      #   executable(name, options?) { |AntProject| ... } => AntProject
      #
      # Returns an executable AntProject with the specified name. Ant tasks created in this project
      # are executed immediately.
      #
      # See #ant for more information about options and the block.
      def executable(name, options = nil, &block)
        options ||= {}
        options = (options || {}).merge(:name=>name, :base_dir=>Dir.pwd, :declarative=>true)
        Java.rjb { AntProject.new(options).tap { |project| yield project if block_given? } }
      end
    end

    # :call-seq:
    #   ant(name, options?) => AntProject
    #   ant(name, options?) { |AntProject| ... } => AntProject
    #
    # Returns a new AntProject with the specified name. Ant tasks created in this project are
    # executed immediately.
    #
    # The options hash is passed to the Ant project definition, along with the current directory.
    # When used in a Buildr project, the Ant project will have the same base directory.
    # If you pass a block, yields to the block with the Ant project.
    #
    # For example:
    #   ant("hibernatedoclet") do |doclet|
    #     doclet.taskdef :name=>"hibernatedoclet",
    #       :classname=>"xdoclet.modules.hibernate.HibernateDocletTask", :classpath=>DOCLET
    #     doclet.hibernatedoclet :destdir=>dest_dir, :force=>"true" do
    #       hibernate :version=>"3.0"
    #       fileset :dir=>source, :includes=>"**/*.java"
    #     end
    #   end
    def ant(name, options=nil, &block)
      Ant.executable(name, options, &block)
    end

  end

  class Project
    include Ant
  end

end