Class: Naether::Bootstrap

Inherits:
Object
  • Object
show all
Defined in:
lib/naether/bootstrap.rb

Overview

:title:Naether::Bootstrap

Helper for bootstrapping Naether

Authors

Michael Guymon

Constant Summary collapse

@@dependencies = 
nil

Class Method Summary collapse

Class Method Details

.check_local_repo_for_deps(local_repo = nil) ⇒ Object 



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# File 'lib/naether/bootstrap.rb', line 103

def check_local_repo_for_deps(local_repo = nil)
  
  local_repo = local_repo || ENV['M2_HOME'] || '~/.m2/repository'
  local_repo = File.expand_path(local_repo)
  
  puts "Checking #{local_repo} for jars to bootstrap Naether"
  
  deps = {:exists => [], :missing => [] }
  
  # /home/zinger/.m2/repository/com/jcraft/jsch/0.1.44-1/jsch-0.1.44-1.jar
  dependencies.each do |dep|
    notation = dep.split(":")
    group = notation[0].gsub("\.", File::SEPARATOR)
    artifact = notation[1].gsub("\.", File::SEPARATOR)
    type = notation[2]
    version = notation[3]
    
    jar = "#{artifact}-#{version}.#{type}"
    
    maven_path = "#{local_repo}#{File::SEPARATOR}#{group}#{File::SEPARATOR}#{artifact}#{File::SEPARATOR}#{version}#{File::SEPARATOR}#{jar}"
    
    if File.exists? maven_path
      deps[:exists] << { dep => maven_path }
    else
      deps[:missing] << dep
    end
    
  end  
    
  deps
end

.dependencies(dep_file = nil) ⇒ Object

List of Java dependencies for Naether



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# File 'lib/naether/bootstrap.rb', line 42

def dependencies( dep_file=nil )
  
  if @@dependencies
    return @@dependencies
  end
  
  if dep_file.nil?
    dep_file = "#{File.dirname( __FILE__ )}/../../jar_dependencies.yml"
  end
  
  dep = YAML.load_file( dep_file )  
  @@dependencies = dep[:dependencies]
end

.download_dependencies(dest, opts = {}) ⇒ Object 



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# File 'lib/naether/bootstrap.rb', line 56

def download_dependencies( dest, opts = {} )
   
  if !File.exists? dest
    FileUtils.mkdir_p( dest )
  end
  
  deps = {}
    
  if opts[:deps]
    deps[:missing] = opts[:deps] 
  else
    deps = check_local_repo_for_deps( opts[:local_repo] )
  end
  
  deps[:downloaded] = []
    
  if deps[:missing].size > 0
    puts "Downloading jars for Naether"  
      
    deps[:missing].each do |dep|
      notation = dep.split(":")
      group = notation[0].gsub("\.", File::SEPARATOR)
      artifact = notation[1]
      type = notation[2]
      version = notation[3]
      
      jar = "#{artifact}-#{version}.#{type}"
      
      maven_path = "#{dest}#{File::SEPARATOR}#{jar}"
      
      if !File.exists? maven_path
        maven_mirror = "http://repo1.maven.org/maven2/#{group}/#{artifact}/#{version}/#{jar}"
        
        open(maven_path, 'wb') do |io|
          io.print open(maven_mirror).read
        end
        
        deps[:downloaded] << { dep => maven_path }
      else
        deps[:exists] << { dep => maven_path }
      end
    end
  end
  
  deps
end

.install_dependencies_to_local_repo(jars_or_dir, opts = {}) ⇒ Object 



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# File 'lib/naether/bootstrap.rb', line 135

def install_dependencies_to_local_repo( jars_or_dir, opts = {}  )
    
  @naether = nil
  jars = []  
  unless jars_or_dir.is_a? Array
    @naether = Naether.create_from_paths( jars_or_dir, opts[:naether_jar_dir] )
    jars = Dir.glob( "#{jars_or_dir}#{File::SEPARATOR}*.jar" )
  else
    @naether = Naether.create_from_jars( jars_or_dir )
    jars = jars_or_dir
  end
  
  if opts[:local_repo]
    @naether.local_repo_path = opts[:local_repo]
  end
  
  dependencies.each do |dep|
    notation = dep.split(":")
    group = notation[0].gsub("\.", File::SEPARATOR)
    artifact = notation[1].gsub("\.", File::SEPARATOR)
    type = notation[2]
    version = notation[3]
    
    name = "#{artifact}-#{version}.#{type}"
    
    jar = jars.select { |x| x =~ /#{name}/ }
    if jar.size > 0
      jar = jar[0]
      @naether.install( dep, nil, jar )
    else
      puts "Could not find jar for #{dep}"
    end
    
  end
  
end

.naether_jar ⇒ Object

Find naether jar relative to the gem install



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# File 'lib/naether/bootstrap.rb', line 21

def naether_jar
  Dir.glob(File.expand_path("#{File.dirname(__FILE__)}/../../naether*.jar")).first
end

.write_dependencies(jar_path = nil, dest = 'jar_dependencies.yml') ⇒ Object

write bootstrap dependencies to yaml file



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# File 'lib/naether/bootstrap.rb', line 26

def write_dependencies( jar_path = nil, dest = 'jar_dependencies.yml' )
  Naether::Java.load_jars_dir( jar_path || Naether::JAR_LIB )
  deps = {};
  if Naether.platform == 'java'
    deps[:dependencies] = com.slackworks.naether.Bootstrap.dependencies.to_a
  else
    bootstrap = Rjb::import('com.slackworks.naether.Bootstrap')
    deps[:dependencies] = bootstrap.dependencies.toArray().map{ |dep| dep.toString() }
  end  
  
  File.open( dest, 'w' ) do |out|
    YAML.dump( deps, out )
  end
end