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, #winderz?

Constructor Details

#initialize(name, app) ⇒ JavacTask

Returns a new instance of JavacTask.



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# File 'lib/rakejava.rb', line 145

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 142

def args
  @args
end

#bootpath ⇒ Object

Returns the value of attribute bootpath.



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# File 'lib/rakejava.rb', line 142

def bootpath
  @bootpath
end

#classpath ⇒ Object

Returns the value of attribute classpath.



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# File 'lib/rakejava.rb', line 142

def classpath
  @classpath
end

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/rakejava.rb', line 143

def debug
  @debug
end

#dest ⇒ Object

Returns the value of attribute dest.



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# File 'lib/rakejava.rb', line 142

def dest
  @dest
end

#dest_ver ⇒ Object

Returns the value of attribute dest_ver.



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# File 'lib/rakejava.rb', line 143

def dest_ver
  @dest_ver
end

#src ⇒ Object

Returns the value of attribute src.



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# File 'lib/rakejava.rb', line 142

def src
  @src
end

#src_ver ⇒ Object

Returns the value of attribute src_ver.



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# File 'lib/rakejava.rb', line 143

def src_ver
  @src_ver
end

Instance Method Details

#changed_only(sources) ⇒ Object 



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# File 'lib/rakejava.rb', line 199

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 153

def execute args=nil
   super
   files = src_files
   
   unless files.empty?
      srcpath = @src.map { |src| src.root }

      @bootpath.flatten!
      @classpath.flatten!
      
      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)"
      system "#{cmd}"
      puts
   else
      puts "No files to compile"
   end
   
end

#src_files ⇒ Object 



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# File 'lib/rakejava.rb', line 189

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