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"
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COPYRIGHT (c) 1996-2011 by Claus Gittinger
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COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko
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SWING Research Group, Czech Technical University in Prague
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Parts of the code written by Claus Gittinger are under following
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license:
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454
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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Parts of the code written at SWING Reasearch Group [1] are MIT licensed:
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the 'Software'), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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454
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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454
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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[1] Code written at SWING Research Group contain a signature
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of one of the above copright owners.
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"
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"{ Package: 'stx:libjava' }"
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Object subclass:#JavaObject
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'Languages-Java-Classes'
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!
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!JavaObject class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1996-2011 by Claus Gittinger
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COPYRIGHT (c) 2010-2011 by Jan Vrany, Jan Kurs and Marcel Hlopko
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SWING Research Group, Czech Technical University in Prague
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Parts of the code written by Claus Gittinger are under following
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license:
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454
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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Parts of the code written at SWING Reasearch Group [1] are MIT licensed:
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the 'Software'), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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[1] Code written at SWING Research Group contain a signature
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of one of the above copright owners.
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"
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! !
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!JavaObject class methodsFor:'misc'!
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resolveClassRefs
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!
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resolveClassRefsIgnoring:setOfClasses
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! !
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!JavaObject class methodsFor:'smalltalk interface'!
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convertJavaObject:val signature:retValSignature
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^ val.
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retValSignature = 'void' ifTrue:[
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^ #void
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].
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retValSignature = 'boolean' ifTrue:[
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val == 0 ifTrue:[^ false].
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^ true
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].
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retValSignature = 'int' ifTrue:[
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val isInteger ifFalse:[
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self halt
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].
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^ val
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].
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retValSignature = 'char[]' ifTrue:[
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"/ these are ST-strings
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^ val
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].
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retValSignature = 'char' ifTrue:[
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"/ these are ST-characters
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val isInteger ifTrue:[
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^ Character value:val
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].
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self halt.
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^ val
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].
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retValSignature = 'Object' ifTrue:[
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^ val
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].
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retValSignature = 'String' ifTrue:[
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^ Java as_ST_String:val
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].
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'no conversion for: ' print. val class name print. ' to: ' print. retValSignature printNL.
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^ val.
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"Modified: 8.8.1997 / 12:07:23 / cg"
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!
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javaStringFrom:aString
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"hard-coding internas of java.lang.String here is bad ..."
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self halt.
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^ Java as_String:aString
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"Modified: 7.8.1997 / 21:17:32 / cg"
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!
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stringFromJavaString:aJavaString
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"hard-coding internas of java.lang.String here is bad ..."
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self halt.
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^ Java as_ST_String:aJavaString
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"Modified: 8.8.1997 / 12:07:29 / cg"
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! !
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!JavaObject methodsFor:'initialization'!
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initializeToZero
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|sz|
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sz := self class instSize.
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1 to:sz do:[:i |
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self instVarAt:i put:0
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]
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! !
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!JavaObject methodsFor:'message sending'!
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doesNotUnderstand:aMessage
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"as a courtesy to the smalltalker, try to map methods"
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|args numArgs javaMethod sel retVal m|
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args := aMessage arguments.
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numArgs := args size.
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sel := aMessage selector.
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javaMethod := JavaClass lookupMethod:sel numArgs:numArgs in:self class static:false.
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javaMethod notNil ifTrue:[
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args notNil ifTrue:[
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args := JavaClass
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convertArgsToJava:args
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asSpecifiedIn:(javaMethod argSignature)
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numArgs:numArgs.
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].
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javaMethod isWrapped ifTrue:[
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m := javaMethod originalMethod
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] ifFalse:[
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m := javaMethod
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].
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retVal := javaMethod
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valueWithReceiver:self
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arguments:args
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selector:m selector
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search:m javaClass
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sender:nil.
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^ JavaClass convertToSmalltalk:retVal type:(m returnType).
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].
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^ super doesNotUnderstand:aMessage
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"Modified: / 16.11.1998 / 16:50:56 / cg"
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! !
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!JavaObject methodsFor:'printing & storing'!
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displayString
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|myClass javaString|
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myClass := self class.
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myClass == Java java_lang_String ifTrue:[
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^ '''' , (Java as_ST_String:self) , ''''
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].
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myClass == (Java at:'java.lang.Class') ifTrue:[
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^ super displayString , '('
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, (JavaVM reflection classForJavaClassObject:self) displayString , ')'
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].
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myClass == (Java at:'java.lang.reflect.Method') ifTrue:[
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^ super displayString , '('
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, (JavaVM methodForJavaMethodObject:self) displayString , ')'
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].
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Object errorSignal
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handle:[:ex | javaString := ''.]
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do:[
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javaString := Java
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as_ST_String:(self perform:#'toString()Ljava/lang/String;').
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].
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^ super displayString , ' (' , javaString , ')'.
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"Modified: / 04-11-1998 / 18:35:00 / cg"
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"Modified: / 28-01-2011 / 15:10:05 / Marcel Hlopko <hlopik@gmail.com>"
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!
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javaDisplayString
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Object errorSignal handle:[:ex |
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ex return.
|
168
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] do:[
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^ Java as_ST_String:(self perform:#toString).
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168
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].
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^ super displayString.
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"Created: / 7.4.1997 / 17:38:13 / cg"
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"Modified: / 4.11.1998 / 21:07:19 / cg"
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!
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printString
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|myClass javaString|
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myClass := self class.
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myClass == Java java_lang_String ifTrue:[
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^ '''' , (Java as_ST_String:self) , ''''
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].
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myClass == (Java at:'java.lang.Class') ifTrue:[
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^ super printString , '('
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, (JavaVM reflection classForJavaClassObject:self) displayString , ')'
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].
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myClass == (Java at:'java.lang.reflect.Method') ifTrue:[
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^ super printString , '('
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, (JavaVM methodForJavaMethodObject:self) displayString , ')'
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].
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Object errorSignal
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handle:[:ex | javaString := ''.]
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do:[
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javaString := Java
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|
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as_ST_String:(self perform:#'toString()Ljava/lang/String;').
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].
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^ super printString , ' (' , javaString , ')'.
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"Modified: / 04-11-1998 / 18:35:00 / cg"
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"Created: / 20-12-2010 / 23:10:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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|
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"Modified: / 28-01-2011 / 15:10:17 / Marcel Hlopko <hlopik@gmail.com>"
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! !
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!JavaObject methodsFor:'queries'!
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isJavaClassRef
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^ false
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"Created: / 9.11.1999 / 17:13:37 / cg"
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!
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isJavaMethodRef
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^ false
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"Created: / 9.11.1999 / 15:43:21 / cg"
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!
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isJavaObject
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^ true
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"Created: 26.3.1997 / 13:34:17 / cg"
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! !
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!JavaObject methodsFor:'smalltalk interface'!
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lookupMethod:selector numArgs:nargs
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"lookup a method"
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|method cls sel|
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sel := selector.
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(sel includes:$:) ifTrue:[
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sel := sel copyTo:(sel indexOf:$:)-1
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].
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sel := sel asSymbolIfInterned.
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sel notNil ifTrue:[
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cls := self class.
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[cls notNil and:[cls ~~ JavaObject]] whileTrue:[
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cls methodDictionary keysAndValuesDo:[:jSel :aMethod |
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|
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(jSel == sel ) ifTrue:[
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327 |
^ aMethod
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]
|
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].
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cls methodDictionary keysAndValuesDo:[:jSel :aMethod |
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(aMethod name = sel
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or:[aMethod signatureNameWithoutReturnType = sel]) ifTrue:[
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aMethod numArgs == nargs ifTrue:[
|
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^ aMethod
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|
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]
|
|
336 |
]
|
|
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].
|
|
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cls := cls superclass.
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|
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].
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78
|
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].
|
|
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|
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^ nil
|
|
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|
|
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"
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|stack|
|
|
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|
113
|
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stack := (Java at:'java.util.Stack') basicNew.
|
78
|
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stack lookupMethod:#'<init>' numArgs:0.
|
|
349 |
"
|
|
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"
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|
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|stack|
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|
352 |
|
113
|
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stack := (Java at:'java.util.Stack') new.
|
78
|
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stack lookupMethod:#isEmpty numArgs:0.
|
|
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"
|
113
|
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"
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|
357 |
|frame|
|
|
358 |
|
|
359 |
frame := (Java at:'java.awt.Frame') new.
|
|
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frame lookupMethod:#'<init> (String)' numArgs:1.
|
|
361 |
"
|
|
362 |
|
159
|
363 |
"Modified: 22.3.1997 / 00:56:54 / cg"
|
26
|
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! !
|
|
365 |
|
133
|
366 |
!JavaObject class methodsFor:'documentation'!
|
26
|
367 |
|
|
368 |
version
|
2151
|
369 |
^ '$Id: JavaObject.st,v 1.54 2011-08-18 18:42:48 vrany Exp $'
|
|
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!
|
|
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|
|
372 |
version_SVN
|
|
373 |
^ '$Id: JavaObject.st,v 1.54 2011-08-18 18:42:48 vrany Exp $'
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|
374 |
! !
|