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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_02) on Wed Mar 22 19:19:13 PST 2006 --><TITLE>BERTag (Java Card API and Subsets)</TITLE><META NAME="keywords" CONTENT="javacardx.framework.tlv.BERTag class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="BERTag (Java Card API and Subsets)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/BERTag.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java Card </b><br><font size="-1">v2.2.2</font></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../javacardx/framework/tlv/BERTLV.html" title="class in javacardx.framework.tlv"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?javacardx/framework/tlv/BERTag.html" target="_top"><B>FRAMES</B></A> <A HREF="BERTag.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javacardx.framework.tlv</FONT><BR>Class BERTag</H2><PRE><A HREF="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>javacardx.framework.tlv.BERTag</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../javacardx/framework/tlv/ConstructedBERTag.html" title="class in javacardx.framework.tlv">ConstructedBERTag</A>, <A HREF="../../../javacardx/framework/tlv/PrimitiveBERTag.html" title="class in javacardx.framework.tlv">PrimitiveBERTag</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>BERTag</B><DT>extends <A HREF="../../../java/lang/Object.html" title="class in java.lang">Object</A></DL></PRE><P>The abstract <code>BERTag</code> class encapsulates a BER TLV tag. The rules on the allowed encoding of the Tag field are based on the ASN.1 BER encoding rules of ISO/IEC 8825-1:2002. <p> The <CODE>BERTag</CODE> class and the subclasses <CODE>ConstructedBERTag</CODE> and <CODE>PrimitiveBERTag</CODE>, also provide static methods to parse or edit a BER Tag structure representation in a byte array.<P><P><DL><DT><B>Since:</B></DT> <DD>2.2.2</DD></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BER_TAG_CLASS_MASK_APPLICATION">BER_TAG_CLASS_MASK_APPLICATION</A></B></CODE><BR> Constant for BER Tag Class Application</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BER_TAG_CLASS_MASK_CONTEXT_SPECIFIC">BER_TAG_CLASS_MASK_CONTEXT_SPECIFIC</A></B></CODE><BR> Constant for BER Tag Class Context-Specific</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BER_TAG_CLASS_MASK_PRIVATE">BER_TAG_CLASS_MASK_PRIVATE</A></B></CODE><BR> Constant for BER Tag Class Private</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BER_TAG_CLASS_MASK_UNIVERSAL">BER_TAG_CLASS_MASK_UNIVERSAL</A></B></CODE><BR> Constant for BER Tag Class Universal</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BER_TAG_TYPE_CONSTRUCTED">BER_TAG_TYPE_CONSTRUCTED</A></B></CODE><BR> Constant for constructed BER Tag type</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BER_TAG_TYPE_PRIMITIVE">BER_TAG_TYPE_PRIMITIVE</A></B></CODE><BR> Constant for primitive BER Tag type</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#BERTag()">BERTag</A></B>()</CODE><BR> Constructor creates an empty <CODE>BERTLV</CODE> Tag object capable of encapsulating a BER TLV Tag.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#equals(javacardx.framework.tlv.BERTag)">equals</A></B>(<A HREF="../../../javacardx/framework/tlv/BERTag.html" title="class in javacardx.framework.tlv">BERTag</A> otherTag)</CODE><BR> Compares <code>this</code> BER Tag with another.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../javacardx/framework/tlv/BERTag.html" title="class in javacardx.framework.tlv">BERTag</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#getInstance(byte[], short)">getInstance</A></B>(byte[] bArray, short bOff)</CODE><BR> Create a <CODE>BERTLV</CODE> Tag object from the binary representation in the byte array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#init(byte[], short)">init</A></B>(byte[] bArray, short bOff)</CODE><BR> Abstract init method.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#isConstructed()">isConstructed</A></B>()</CODE><BR> Used to query if <code>this</code> BER tag structure is constructed</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#isConstructed(byte[], short)">isConstructed</A></B>(byte[] berTagArray, short bOff)</CODE><BR> Returns the constructed flag part of the BER Tag from its representation in the specified byte array</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#size()">size</A></B>()</CODE><BR> Returns the byte size required to represent <code>this</code> tag structure</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#size(byte[], short)">size</A></B>(byte[] berTagArray, short bOff)</CODE><BR> Returns the byte size required to represent the BER Tag from its representation in the specified byte array</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#tagClass()">tagClass</A></B>()</CODE><BR> Returns the tag class part of <code>this</code> BER Tag structure</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static byte</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javacardx/framework/tlv/BERTag.html#tagClass(byte[], short)">tagClass</A></B>(byte[] berTagArray, short bOff)</CODE><BR> Returns the tag class part of the BER Tag from its representation in the specified byte array</TD>⌨️ 快捷键说明
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