Class: RakeJava::JavacTask

Inherits:
Rake::Task
  • Object
show all
Includes:
RakeJavaUtil
Defined in:
lib/rakejava.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from RakeJavaUtil

#path_esc, #path_sep, #popd, #pushd, #pushd_stack, #separate, #space_sep

Constructor Details

#initialize(name, app) ⇒ JavacTask

Returns a new instance of JavacTask.



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# File 'lib/rakejava.rb', line 116

def initialize name, app
  super
  @src = []
  @srcpath = []
  @bootpath = []
  @classpath = []
end

Instance Attribute Details

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/rakejava.rb', line 113

def args
  @args
end

#bootpath ⇒ Object

Returns the value of attribute bootpath.



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# File 'lib/rakejava.rb', line 113

def bootpath
  @bootpath
end

#classpath ⇒ Object

Returns the value of attribute classpath.



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# File 'lib/rakejava.rb', line 113

def classpath
  @classpath
end

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/rakejava.rb', line 114

def debug
  @debug
end

#dest ⇒ Object

Returns the value of attribute dest.



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# File 'lib/rakejava.rb', line 113

def dest
  @dest
end

#dest_ver ⇒ Object

Returns the value of attribute dest_ver.



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# File 'lib/rakejava.rb', line 114

def dest_ver
  @dest_ver
end

#src ⇒ Object

Returns the value of attribute src.



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# File 'lib/rakejava.rb', line 113

def src
  @src
end

#src_ver ⇒ Object

Returns the value of attribute src_ver.



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# File 'lib/rakejava.rb', line 114

def src_ver
  @src_ver
end

Instance Method Details

#changed_only(sources) ⇒ Object 



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# File 'lib/rakejava.rb', line 166

def changed_only sources
  # Retuns the files that have newer .java files than .class files
  changed = []
  sources.each do |src_file|
    mod_time = File.mtime(src_file)
    base = File.basename(src_file, ".java")
    parent = File.dirname(src_file)
    classfiles = []
    
    if @dest
      base_path = parent[sources.root.length+1..-1]
      classfiles = Dir["#{@dest}/#{base_path}/#{base}*.class"]
    else
      # Look next to it
      classfiles = Dir["#{parent}/#{base}*.class"]
    end
      
     unless classfiles.empty?
      classfiles.each do |classfile|
        if File.mtime(classfile) < mod_time
          changed << src_file
          break
        end
      end
    else
      changed << src_file
    end
  end
  changed
end

#execute(args = nil) ⇒ Object 



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# File 'lib/rakejava.rb', line 124

def execute args=nil
  super
  files = src_files
  
  unless files.empty?
    srcpath = @src.map { |src| src.root }
    
    cmd = "javac"
    cmd << " -bootclasspath #{path_sep(@bootpath)}" unless @bootpath.empty?
    cmd << " #{@args}"                    if @args
    cmd << " -classpath #{path_sep(@classpath)}"    unless @classpath.empty?
    cmd << " -g"                        if @debug
    cmd << " -source #{@src_ver}"             if @src_ver
    cmd << " -target #{@dest_ver}"            if @dest_ver
    cmd << " -sourcepath #{path_sep(srcpath)}"    if srcpath
    cmd << " -d #{@dest}"                 if @dest
    cmd << " #{space_sep(files)}"
    
    max_cmd_len = 500
    if cmd.length < max_cmd_len
      puts cmd
    else
      puts cmd[0..max_cmd_len] + "..."
    end
    puts "Compiling #{files.length} file(s)"
    puts `#{cmd}`
  else
    puts "No files to compile"
  end
  
end

#src_files ⇒ Object 



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# File 'lib/rakejava.rb', line 156

def src_files
  files = []
  
  @src.each do |source|
    files << changed_only(source)
  end
  
  files.flatten
end