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play.rb
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play.rb
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# Encoding: utf-8
# Cloud Foundry Java Buildpack
# Copyright 2013 the original author or authors.
#
# Licensed 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.
require 'java_buildpack/base_component'
require 'java_buildpack/container'
require 'java_buildpack/container/container_utils'
require 'java_buildpack/util/play_app_factory'
require 'pathname'
module JavaBuildpack::Container
# Encapsulates the detect, compile, and release functionality for Play applications.
class Play < JavaBuildpack::BaseComponent
def initialize(context)
super('Play Framework', context)
@play_app = JavaBuildpack::Util::PlayAppFactory.create @app_dir
end
def detect
if @play_app
version = @play_app.version
version ? id(version) : nil
else
nil
end
end
def compile
@play_app.set_executable
@play_app.add_libs_to_classpath additional_libraries
@play_app.replace_bootstrap BOOTSTRAP_CLASS_NAME
end
def release
java_opts = @java_opts.clone
java_opts << "-D#{KEY_HTTP_PORT}=$PORT"
path_string = "PATH=#{File.join @java_home, 'bin'}:$PATH"
java_home_string = ContainerUtils.space("JAVA_HOME=#{@java_home}")
start_script_string = ContainerUtils.space(@play_app.start_script_relative)
java_opts_string = ContainerUtils.space(ContainerUtils.to_java_opts_s(@play_app.decorate_java_opts java_opts))
"#{path_string}#{java_home_string}#{start_script_string}#{java_opts_string}"
end
private
BOOTSTRAP_CLASS_NAME = 'org.cloudfoundry.reconfiguration.play.Bootstrap'.freeze
KEY_HTTP_PORT = 'http.port'.freeze
def id(version)
"#{@parsable_component_name}=#{version}"
end
end
end