"""SCons.Tool.rmic

Tool-specific initialization for rmic.

There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.

"""

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__revision__ = "src/engine/SCons/Tool/rmic.py 5183 2010/11/25 14:46:21 bdeegan"

import os.path

import SCons.Action
import SCons.Builder
import SCons.Node.FS
import SCons.Util

def emit_rmic_classes(target, source, env):
    """Create and return lists of Java RMI stub and skeleton
    class files to be created from a set of class files.
    """
    class_suffix = env.get('JAVACLASSSUFFIX', '.class')
    classdir = env.get('JAVACLASSDIR')

    if not classdir:
        try:
            s = source[0]
        except IndexError:
            classdir = '.'
        else:
            try:
                classdir = s.attributes.java_classdir
            except AttributeError:
                classdir = '.'
    classdir = env.Dir(classdir).rdir()
    if str(classdir) == '.':
        c_ = None
    else:
        c_ = str(classdir) + os.sep

    slist = []
    for src in source:
        try:
            classname = src.attributes.java_classname
        except AttributeError:
            classname = str(src)
            if c_ and classname[:len(c_)] == c_:
                classname = classname[len(c_):]
            if class_suffix and classname[:-len(class_suffix)] == class_suffix:
                classname = classname[-len(class_suffix):]
        s = src.rfile()
        s.attributes.java_classdir = classdir
        s.attributes.java_classname = classname
        slist.append(s)

    stub_suffixes = ['_Stub']
    if env.get('JAVAVERSION') == '1.4':
        stub_suffixes.append('_Skel')

    tlist = []
    for s in source:
        for suff in stub_suffixes:
            fname = s.attributes.java_classname.replace('.', os.sep) + \
                    suff + class_suffix
            t = target[0].File(fname)
            t.attributes.java_lookupdir = target[0]
            tlist.append(t)

    return tlist, source

RMICAction = SCons.Action.Action('$RMICCOM', '$RMICCOMSTR')

RMICBuilder = SCons.Builder.Builder(action = RMICAction,
                     emitter = emit_rmic_classes,
                     src_suffix = '$JAVACLASSSUFFIX',
                     target_factory = SCons.Node.FS.Dir,
                     source_factory = SCons.Node.FS.File)

def generate(env):
    """Add Builders and construction variables for rmic to an Environment."""
    env['BUILDERS']['RMIC'] = RMICBuilder

    env['RMIC']            = 'rmic'
    env['RMICFLAGS']       = SCons.Util.CLVar('')
    env['RMICCOM']         = '$RMIC $RMICFLAGS -d ${TARGET.attributes.java_lookupdir} -classpath ${SOURCE.attributes.java_classdir} ${SOURCES.attributes.java_classname}'
    env['JAVACLASSSUFFIX']  = '.class'

def exists(env):
    return env.Detect('rmic')

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