#*****************************************************************************
#   Copyright 2004-2008 Steve Menard
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#	   http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#   
#*****************************************************************************
import _jclass, _jpype
import new

_CLASSES = {}

def JException(t) :
	return t.PYEXC

class JavaException(Exception) :
	def __init__(self, *data) :
		if isinstance(data[0], tuple) and data[0][0] is _jclass._SPECIAL_CONSTRUCTOR_KEY :
			# this is wrapped :
			self.__javaobject__ = data[0][1]
			self.__javaclass__ = self.__javaobject__.__class__
		else:
			self.__javaclass__ = _jclass.JClass(self.__class__.JAVACLASSNAME)
			self.__javaobject__ = self.__javaclass__(*data)
			
		Exception.__init__(self, self.__javaobject__)
		
	def javaClass(self) :
		return self.__javaclass__
		
	def message(self) :
		return self.__javaobject__.getMessage()
		
	def stacktrace(self) :
		StringWriter = _jclass.JClass("java.io.StringWriter")
		PrintWriter = _jclass.JClass("java.io.PrintWriter")
		sw = StringWriter()
		pw = PrintWriter(sw)
		
		self.__javaobject__.printStackTrace(pw)
		pw.flush()
		r = sw.toString()
		sw.close()
		return r

	def __str__(self) :
		return self.__javaobject__.toString()

def _initialize() :
	_jpype.setJavaExceptionClass(JavaException)
		
def _makePythonException(name, bc) :
	name = bc.getName()
	
	if _CLASSES.has_key(name) :
		return _CLASSES[name]
		
	if name == 'java.lang.Throwable' :
		bases = (JavaException,)
	else:
		bases = (_makePythonException(bc.getName(), bc.getBaseClass()) ,)
		
	ec = new.classobj(name+"PyRaisable", bases, {'JAVACLASSNAME' : name})
	
	return ec
