# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with this
# work for additional information regarding copyright ownership.  The ASF
# licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations under
# the License.

module OSGi
  
    # generate an Eclipse-SourceBundle manifest from the manifest of a runtime plugin
    # Assumes that there are no jars inside the runtime plugin.
    def self.create_source_bundle_manifest(pluginManifest)
      #remove the properties after the sym-name such as ';singleton=true'
      bundleSymName = pluginManifest["Bundle-SymbolicName"].split(';').first
      bundleVersion = pluginManifest["Bundle-Version"]
      sourcesManifest = ::Buildr::Packaging::Java::Manifest.new(nil)
      sourcesManifest.main["Bundle-ManifestVersion"] = "2"
      sourcesManifest.main["Eclipse-SourceBundle"] = "#{bundleSymName};version=\"#{bundleVersion}\";roots:=\".\""
      sourcesManifest.main["Bundle-SymbolicName"] = bundleSymName + ".sources"
      sourcesManifest.main["Bundle-Name"] += " sources" if sourcesManifest.main["Bundle-Name"] 
      sourcesManifest.main["Bundle-Version"] = bundleVersion
      sourcesManifest.main["Bundle-Vendor"] = pluginManifest["Bundle-Vendor"] unless pluginManifest["Bundle-Vendor"].nil?
      #TODO: ability to define a different license for the sources.
      sourcesManifest.main["Bundle-License"] = pluginManifest["Bundle-License"] unless pluginManifest["Bundle-License"].nil?
      return sourcesManifest
    end

  
  #:nodoc:
  # This module is used to identify the packaging task
  # that represent a bundle packaging.
  #
  module PackagingAsSourcesExtension #:nodoc:
    include Extension

    # Change the zip classifier for the sources produced by
    # a jar classifier unless we are packaking a feature right now.
    def package_as_sources_spec_source_extension(spec) #:nodoc:
      spec = package_as_sources_spec_before_source_extension(spec)
      if is_packaging_osgi_bundle
        spec.merge!(:type=>:jar, :id => name.split(":").last)
      end 
      spec
    end

    # if the current packaging is a plugin or a bundle
    # then call package_as_eclipse_source_feature
    # if the current packaging is a feature
    # then call package_as_eclipse_source_bundle
    def package_as_osgi_pde_sources(file_name)
      return package_as_eclipse_source_bundle(file_name) if project.send :is_packaging_osgi_bundle
      package_as_sources_old(file_name)
    end


    # package as an OSGi bundle that contains the sources
    # of the bundle. Specialized for eclipse-PDE version 3.4.0 and more recent
    # http://help.eclipse.org/ganymede/index.jsp?topic=/org.eclipse.pde.doc.user/tasks/pde_individual_source.htm
    # file_name
    def package_as_eclipse_source_bundle(file_name)
      pluginManifest = package(:plugin).manifest
      sourcesManifest = ::OSGi::create_source_bundle_manifest(pluginManifest)
      package_as_sources_old(file_name).with :manifest => sourcesManifest
    end    
  end
end

module Buildr #:nodoc:
  class Project #:nodoc:
    include OSGi::PackagingAsSourcesExtension
    
    protected 
    alias :package_as_sources_spec_before_source_extension :package_as_sources_spec 
    alias :package_as_sources_spec :package_as_sources_spec_source_extension
    alias :package_as_sources_old :package_as_sources
    alias :package_as_sources :package_as_osgi_pde_sources
  end
end