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# Copyright (c) Corporation for National Research Initiatives
import sys
import os
from types import TypeType
from java import io
from java.util.zip import ZipFile
def fix(n):
DOT = '.'
return DOT.join(n.split('/'))
def unfix(n):
SLASH = '/'
return SLASH.join(n.split('.'))
def getClass(t, names):
#print t, names
if t[0] == '(':
index = 1
while index < len(t) and t[index] != ')':
off, value = getClass(t[index:], names)
index = index+off
getClass(t[index+1:], names)
elif t[0] == 'L':
end = t.index(';')
value = t[1:end]
names[fix(value)] = 1
return end, t[1:end]
elif t[0] == '[':
off, ret = getClass(t[1:], names)
return off+1, ret
else:
return 1, None
def dependencies(file):
data = io.DataInputStream(file)
data.readInt()
data.readShort()
data.readShort()
n = data.readShort()
strings = [None]*n
classes = []
types = []
i = 0
while i < n-1:
tag = data.readByte()
if tag == 1:
name = data.readUTF()
strings[i] = name
elif tag == 7:
classes.append(data.readShort())
elif tag == 9 or tag == 10 or tag == 11:
data.readShort()
data.readShort()
elif tag == 8:
data.readShort()
elif tag == 3:
data.readInt()
elif tag == 4:
data.readFloat()
elif tag == 5:
data.readLong()
i = i+1
elif tag == 6:
data.readDouble()
i = i+1
elif tag == 12:
data.readShort()
types.append(data.readShort())
i = i+1
data.readShort() # access_flags
data.readShort() # this_class
data.readShort() # super_class
interfaces_count = data.readShort()
for i in range(interfaces_count):
data.readShort()
fields_count = data.readShort()
for i in range(fields_count):
data.readShort() # access_flags
data.readShort() # name_index
types.append(data.readShort())
attributes_count = data.readShort()
for j in range(attributes_count):
data.readShort() # attribute_name_index
attribute_length = data.readInt()
data.skip(attribute_length)
names = {}
for c in classes:
#print c, strings[c-1]
name = fix(strings[c-1])
if name[0] == '[':
continue
names[name]= 1
for t in types:
getClass(strings[t-1], names)
return filter(defaultFilter, names.keys())
def defaultFilter(name):
return not (name[:5] == 'java.' or name[:16] == 'org.python.core.')
from org.python.core import PyJavaPackage
from util import lookup, getzip
from util import openResource
def getFile(name):
dot = name.rfind('.')
if dot == -1:
return PkgEntry(name)
## return topFile(name)
package = lookup(name[:dot])
if isinstance(package, PyJavaPackage):
return PkgEntry(name)
## if hasattr(package, '__file__'):
## return ZipEntry(package.__file__, name)
## elif hasattr(package, '__path__') and len(package.__path__) == 1:
## return DirEntry(package.__path__[0], name)
elif isinstance(package, TypeType):
# this 'package' is a java class
f = getFile(name[:dot])
if f:
return f
class PkgEntry:
def __init__(self, classname):
self.classname = classname
def __repr__(self):
return "PkgEntry(%s)" % (self.classname)
def getInputStream(self):
res = unfix(self.classname) + '.class'
return openResource(res)
def getZipName(self):
return '/'.join(self.classname.split('.')) + '.class'
class ResourceEntry:
def __init__(self, name):
self.name = name
def __repr__(self):
return "ResourceEntry(%s)" % (self.name)
def getInputStream(self):
import java
return java.lang.Class.getResourceAsStream("".__class__, self.name)
def getZipName(self):
return self.name[1:]
##class ZipEntry:
## def __init__(self, filename, classname):
## self.filename = filename
## self.classname = classname
##
## def __repr__(self):
## return "ZipEntry(%s, %s)" % (self.filename, self.classname)
##
## def getInputStream(self):
## zf = getzip(self.filename)
## zfilename = unfix(self.classname) + '.class'
## entry = zf.getEntry(zfilename)
## return zf.getInputStream(entry)
##
##
##class DirEntry:
## def __init__(self, dirname, classname):
## self.dirname = dirname
## self.classname = classname
##
## def __repr__(self):
## return "DirEntry(%s, %s)" % (self.dirname, self.classname)
##
## def getInputStream(self):
## lastname = self.classname.split('.')[-1]
## fullname = os.path.join(self.dirname, lastname+'.class')
## return io.FileInputStream(fullname)
def depends(name):
if name[0] == '/':
return ResourceEntry(name), []
ze = getFile(name)
ip = ze.getInputStream()
ret = dependencies(ip)
ip.close()
return ze, ret
if __name__ == '__main__':
#print getFile('org.python.modules.strop')
#print getFile('java.lang.String')
#print depend('com.oroinc.text.regex.Perl5Matcher')
for name in ['javax.swing.JButton', 'java.lang.String']:
print depends(name)
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