"""SCons.Tool.jar Tool-specific initialization for jar. 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. """ # # __COPYRIGHT__ # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__" import os import SCons.Subst import SCons.Util from SCons.Node.FS import _my_normcase from SCons.Tool.JavaCommon import get_java_install_dirs def jarSources(target, source, env, for_signature): """Only include sources that are not a manifest file.""" try: env['JARCHDIR'] except KeyError: jarchdir_set = False else: jarchdir_set = True jarchdir = env.subst('$JARCHDIR', target=target, source=source) if jarchdir: jarchdir = env.fs.Dir(jarchdir) result = [] for src in source: contents = src.get_text_contents() if not contents.startswith("Manifest-Version"): if jarchdir_set: _chdir = jarchdir else: try: _chdir = src.attributes.java_classdir except AttributeError: _chdir = None if _chdir: # If we are changing the dir with -C, then sources should # be relative to that directory. src = SCons.Subst.Literal(src.get_path(_chdir)) result.append('-C') result.append(_chdir) result.append(src) return result def jarManifest(target, source, env, for_signature): """Look in sources for a manifest file, if any.""" for src in source: contents = src.get_text_contents() if contents.startswith("Manifest-Version"): return src return '' def jarFlags(target, source, env, for_signature): """If we have a manifest, make sure that the 'm' flag is specified.""" jarflags = env.subst('$JARFLAGS', target=target, source=source) for src in source: contents = src.get_text_contents() if contents.startswith("Manifest-Version"): if 'm' not in jarflags: return jarflags + 'm' break return jarflags def Jar(env, target = None, source = [], *args, **kw): """ A pseudo-Builder wrapper around the separate Jar sources{File,Dir} Builders. """ # jar target should not be a list so assume they passed # no target and want implicit target to be made and the arg # was actaully the list of sources if SCons.Util.is_List(target) and source == []: SCons.Warnings.SConsWarning("Making implicit target jar file, " + "and treating the list as sources") source = target target = None # mutiple targets pass so build each target the same from the # same source #TODO Maybe this should only be done once, and the result copied # for each target since it should result in the same? if SCons.Util.is_List(target) and SCons.Util.is_List(source): jars = [] for single_target in target: jars += env.Jar( target = single_target, source = source, *args, **kw) return jars # they passed no target so make a target implicitly if target is None: try: # make target from the first source file target = os.path.splitext(str(source[0]))[0] + env.subst('$JARSUFFIX') except: # something strange is happening but attempt anyways SCons.Warnings.SConsWarning("Could not make implicit target from sources, using directory") target = os.path.basename(str(env.Dir('.'))) + env.subst('$JARSUFFIX') # make lists out of our target and sources if not SCons.Util.is_List(target): target = [target] if not SCons.Util.is_List(source): source = [source] # setup for checking through all the sources and handle accordingly java_class_suffix = env.subst('$JAVACLASSSUFFIX') java_suffix = env.subst('$JAVASUFFIX') target_nodes = [] # function for determining what to do with a file and not a directory # if its already a class file then it can be used as a # source for jar, otherwise turn it into a class file then # return the source def file_to_class(s): if _my_normcase(str(s)).endswith(java_suffix): return env.JavaClassFile(source = s, *args, **kw) else: return [env.fs.File(s)] # function for calling the JavaClassDir builder if a directory is # passed as a source to Jar builder. The JavaClassDir builder will # return an empty list if there were not target classes built from # the directory, in this case assume the user wanted the directory # copied into the jar as is (it contains other files such as # resources or class files compiled from proir commands) # TODO: investigate the expexcted behavior for directories that # have mixed content, such as Java files along side other files # files. def dir_to_class(s): dir_targets = env.JavaClassDir(source = s, *args, **kw) if dir_targets == []: # no classes files could be built from the source dir # so pass the dir as is. return [env.fs.Dir(s)] else: return dir_targets # loop through the sources and handle each accordingly # the goal here is to get all the source files into a class # file or a directory that contains class files for s in SCons.Util.flatten(source): s = env.subst(s) if isinstance(s, SCons.Node.FS.Base): if isinstance(s, SCons.Node.FS.File): # found a file so make sure its a class file target_nodes.extend(file_to_class(s)) else: # found a dir so get the class files out of it target_nodes.extend(dir_to_class(s)) else: try: # source is string try to convert it to file target_nodes.extend(file_to_class(env.fs.File(s))) continue except: pass try: # source is string try to covnert it to dir target_nodes.extend(dir_to_class(env.fs.Dir(s))) continue except: pass SCons.Warnings.SConsWarning("File: " + str(s) + " could not be identified as File or Directory, skipping.") # at this point all our sources have been converted to classes or directories of class # so pass it to the Jar builder return env.JarFile(target = target, source = target_nodes, *args, **kw) def generate(env): """Add Builders and construction variables for jar to an Environment.""" SCons.Tool.CreateJarBuilder(env) SCons.Tool.CreateJavaFileBuilder(env) SCons.Tool.CreateJavaClassFileBuilder(env) SCons.Tool.CreateJavaClassDirBuilder(env) env.AddMethod(Jar) if env['PLATFORM'] == 'win32': # Ensure that we have a proper path for jar paths = get_java_install_dirs('win32') jar = SCons.Tool.find_program_path(env, 'jar', default_paths=paths) if jar: jar_bin_dir = os.path.dirname(jar) env.AppendENVPath('PATH', jar_bin_dir) env['JAR'] = 'jar' env['JARFLAGS'] = SCons.Util.CLVar('cf') env['_JARFLAGS'] = jarFlags env['_JARMANIFEST'] = jarManifest env['_JARSOURCES'] = jarSources env['_JARCOM'] = '$JAR $_JARFLAGS $TARGET $_JARMANIFEST $_JARSOURCES' env['JARCOM'] = "${TEMPFILE('$_JARCOM','$JARCOMSTR')}" env['JARSUFFIX'] = '.jar' def exists(env): # As reported by Jan Nijtmans in issue #2730, the simple # return env.Detect('jar') # doesn't always work during initialization. For now, we # stop trying to detect an executable (analogous to the # javac Builder). # TODO: Come up with a proper detect() routine...and enable it. return 1 # Local Variables: # tab-width:4 # indent-tabs-mode:nil # End: # vim: set expandtab tabstop=4 shiftwidth=4: