jcrespec06firewall.html

JAVA CARD 开发包规格说明,版本为2.2.2

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<LI CLASS="Bullet1"><A NAME="pgfId-406997"></A>Otherwise, if the object is designated a Java Card RE Entry Point Object, access is allowed. 
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<LI CLASS="Bullet1"><A NAME="pgfId-406999"></A>Otherwise, if the Java Card RE is the currently active context, access is allowed. 
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<LI CLASS="Bullet1"><A NAME="pgfId-417005"></A>Otherwise, access is denied.
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</UL><H4 CLASS="Head3"><A NAME="pgfId-423001"></A>6.2.8.8	<A NAME="96058"></A>Accessing <A NAME="marker-423000"></A>Classes</H4>
<P CLASS="Paragraph"><A NAME="pgfId-423025"></A>Bytecodes:
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<PRE CLASS="Codeline"><A NAME="pgfId-423003"></A>checkcast, instanceof
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<LI CLASS="Bullet1"><A NAME="pgfId-407011"></A>If the object is owned by an applet in the currently active context, access is allowed. 
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<LI CLASS="Bullet1"><A NAME="pgfId-407013"></A>Otherwise, if the object is designated a Java Card RE Entry Point Object, access is allowed. 
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<LI CLASS="Bullet1"><A NAME="pgfId-407015"></A>Otherwise, if the Java Card RE is the currently active context, access is allowed. 
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<LI CLASS="Bullet1"><A NAME="pgfId-407017"></A>Otherwise, access is denied.
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</UL><H4 CLASS="Head3"><A NAME="pgfId-407019"></A>6.2.8.9	Accessing<A NAME="marker-416946"></A> Standard Interfaces</H4>
<P CLASS="Paragraph"><A NAME="pgfId-407021"></A>Bytecodes:
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<PRE CLASS="Codeline"><A NAME="pgfId-407023"></A>checkcast, instanceof
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<LI CLASS="Bullet1"><A NAME="pgfId-407027"></A>If the object is owned by an applet in the currently active context, access is allowed.
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<LI CLASS="Bullet1"><A NAME="pgfId-417014"></A>Otherwise, if the object is designated a Java Card RE Entry Point Object, access is allowed.
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<LI CLASS="Bullet1"><A NAME="pgfId-407029"></A>Otherwise, if the Java Card RE is the currently active context, access is allowed. 
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<LI CLASS="Bullet1"><A NAME="pgfId-407031"></A>Otherwise, access is denied.
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</UL><H4 CLASS="Head3"><A NAME="pgfId-407033"></A>6.2.8.10	<A NAME="69014"></A>Accessing Shareable <A NAME="marker-416947"></A>Interfaces</H4>
<P CLASS="Paragraph"><A NAME="pgfId-407035"></A>Bytecodes:
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<PRE CLASS="Codeline"><A NAME="pgfId-407037"></A>checkcast, instanceof
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<LI CLASS="Bullet1"><A NAME="pgfId-407041"></A>If the object is owned by an applet in the currently active context, access is allowed. 
</LI>
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<LI CLASS="Bullet1"><A NAME="pgfId-407043"></A>Otherwise, if the object's class implements a <KBD CLASS="Filename-Command">Shareable</KBD> interface, and if the object is being cast into (<KBD CLASS="Filename-Command">checkcast</KBD>) or is being verified as being an instance of (<KBD CLASS="Filename-Command">instanceof</KBD>) an interface that extends the <KBD CLASS="Filename-Command">Shareable</KBD> interface, access is allowed.
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<LI CLASS="Bullet1"><A NAME="pgfId-407045"></A>Otherwise, if the Java Card RE is the currently active context, access is allowed. 
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</P>
<LI CLASS="Bullet1"><A NAME="pgfId-407047"></A>Otherwise, access is denied.
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</UL><H4 CLASS="Head3"><A NAME="pgfId-407055"></A>6.2.8.11	<A NAME="marker-416948"></A>Accessing Array Object Methods</H4>
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<P CLASS="TipNote"><B CLASS="TipNote">Note - </B><A NAME="pgfId-407057"></A>The method access behavior of global arrays is identical to that of Java Card RE Entry Point Objects. 
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<P CLASS="Paragraph"><A NAME="pgfId-407059"></A>Bytecodes:
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<PRE CLASS="Codeline"><A NAME="pgfId-407061"></A>invokevirtual
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<LI CLASS="Bullet1"><A NAME="pgfId-407063"></A>If the array is owned by an applet in the currently active context, access is allowed. 
</LI>
<P CLASS="Linebreak">
</P>
<LI CLASS="Bullet1"><A NAME="pgfId-407065"></A>Otherwise, if the array is designated a global array, access is allowed. Context is switched to the array owner's context (Java Card RE context). 
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</P>
<LI CLASS="Bullet1"><A NAME="pgfId-407067"></A>Otherwise, if Java Card RE is the currently active context, access is allowed. Context is switched to the array owner's context. 
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<LI CLASS="Bullet1"><A NAME="pgfId-415078"></A>Otherwise, access is denied. 
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<DIV CLASS="footnotes">
<DIV CLASS="footnote"><SUP CLASS="Footnote"><SPAN CLASS="footnoteNumber">1</SPAN><B><A HREF="#fnote1"> (Footnote) </A></B><A NAME="pgfId-415269"></A></A>Note that a library package is not assigned a separate context. Objects from a library package belong to the context of the creating applet instance.</SUP>
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<td class="navbartitle" align=left rowspan="1" colspan="1" abbr="ChapTitle">&nbsp;&nbsp;Runtime Environment Specification for the Java Card Platform, Version 2.2.2
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<td class="navbartitle" align=right rowspan="1" colspan="1" abbr="PartNum">3-8-06
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