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# Encoding: utf-8
# Cloud Foundry Java Buildpack
# Copyright 2013-2016 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this candidate 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 'fileutils'
require 'java_buildpack/component/versioned_dependency_component'
require 'java_buildpack/container'
require 'java_buildpack/logging/logger_factory'
require 'java_buildpack/util/file_enumerable'
require 'java_buildpack/util/groovy_utils'
require 'java_buildpack/util/qualify_path'
module JavaBuildpack
module Container
# Encapsulates the detect, compile, and release functionality for applications running Spring Boot CLI
# applications.
class SpringBootCLI < JavaBuildpack::Component::VersionedDependencyComponent
include JavaBuildpack::Util
# Creates an instance
#
# @param [Hash] context a collection of utilities used the component
def initialize(context)
@logger = JavaBuildpack::Logging::LoggerFactory.instance.get_logger SpringBootCLI
super(context)
end
# (see JavaBuildpack::Component::BaseComponent#compile)
def compile
download_tar
end
# (see JavaBuildpack::Component::BaseComponent#release)
def release
@droplet.environment_variables.add_environment_variable 'SERVER_PORT', '$PORT'
[
@droplet.environment_variables.as_env_vars,
@droplet.java_home.as_env_var,
@droplet.java_opts.as_env_var,
'exec',
qualify_path(@droplet.sandbox + 'bin/spring', @droplet.root),
'run',
@droplet.additional_libraries.as_classpath,
relative_groovy_files
].flatten.compact.join(' ')
end
protected
# (see JavaBuildpack::Component::VersionedDependencyComponent#supports?)
def supports?
gf = JavaBuildpack::Util::GroovyUtils.groovy_files(@application).reject { |file| logback_file? file }
gf.length > 0 && all_pogo_or_configuration(gf) && no_main_method(gf) && no_shebang(gf) && !web_inf?
end
private
def relative_groovy_files
JavaBuildpack::Util::GroovyUtils.groovy_files(@application).map do |gf|
gf.relative_path_from(@application.root)
end
end
def logback_file?(path)
%r{ch/qos/logback/.*\.groovy$} =~ path.to_s
end
def no_main_method(groovy_files)
none?(groovy_files) { |file| JavaBuildpack::Util::GroovyUtils.main_method? file }
end
def no_shebang(groovy_files)
none?(groovy_files) { |file| JavaBuildpack::Util::GroovyUtils.shebang? file }
end
def web_inf?
(@application.root + 'WEB-INF').exist?
end
def all_pogo_or_configuration(groovy_files)
all?(groovy_files) do |file|
JavaBuildpack::Util::GroovyUtils.pogo?(file) || JavaBuildpack::Util::GroovyUtils.beans?(file)
end
end
end
end
end