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ByteUtils
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com.iver.cit.gvsig.fmap.drivers.dgn</FONT>
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Class ByteUtils</H2>
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<PRE>
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java.lang.Object
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<IMG SRC="../../../../../../../resources/inherit.gif" ALT="extended by"><B>com.iver.cit.gvsig.fmap.drivers.dgn.ByteUtils</B>
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</PRE>
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<DL>
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<DT>public class <B>ByteUtils</B><DT>extends java.lang.Object</DL>
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<P>
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Clase que engloba m?todos para trabajar con bytes.
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<P>
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<P>
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<DL>
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<DT><B>Author:</B></DT>
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<DD>Vicente Caballero Navarro</DD>
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</DL>
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<HR>
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<P>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<!-- =========== FIELD SUMMARY =========== -->
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<A NAME="field_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Field Summary</B></FONT></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static char[]</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#digits">digits</A></B></CODE>
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<BR>
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A nibble->char mapping for printing out bytes.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#SIZE_BOOL">SIZE_BOOL</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#SIZE_DOUBLE">SIZE_DOUBLE</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#SIZE_INT">SIZE_INT</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#SIZE_LONG">SIZE_LONG</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#SIZE_SHORT">SIZE_SHORT</A></B></CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<A NAME="constructor_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Constructor Summary</B></FONT></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#ByteUtils()">ByteUtils</A></B>()</CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bigIntegerToBytes(java.math.BigInteger, byte[], int[])">bigIntegerToBytes</A></B>(java.math.BigInteger n,
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byte[] data,
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int[] offset)</CODE>
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<BR>
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Write the bytes representing <code>n</code> into the byte array
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<code>data</code>, starting at index <code>offset [0]</code>, and
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increment <code>offset [0]</code> by the number of bytes written; if
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<code>data == null</code>, increment <code>offset [0]</code> by the
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number of bytes that would have been written otherwise.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#boolToBytes(boolean, byte[], int[])">boolToBytes</A></B>(boolean b,
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byte[] data,
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int[] offset)</CODE>
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<BR>
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Write the bytes representing <code>b</code> into the byte array
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<code>data</code>, starting at index <code>offset [0]</code>, and
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increment <code>offset [0]</code> by the number of bytes written; if
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<code>data == null</code>, increment <code>offset [0]</code> by the
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number of bytes that would have been written otherwise.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.math.BigInteger</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToBigInteger(byte[], int[])">bytesToBigInteger</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>BigInteger</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static boolean</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToBool(byte[], int[])">bytesToBool</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>boolean</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static double</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToDouble(byte[], int[])">bytesToDouble</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>double</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToInt(byte[], int[])">bytesToInt</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>int</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToInts(int[], int, byte[], int, int)">bytesToInts</A></B>(int[] dst,
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int dst_offset,
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byte[] src,
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int src_offset,
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int length)</CODE>
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<BR>
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Convert an array of <code>bytes</code>s into an array of
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<code>ints</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static long</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToLong(byte[], int[])">bytesToLong</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>long</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static short</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToShort(byte[], int[])">bytesToShort</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>short</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static java.lang.String</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#bytesToString(byte[], int[])">bytesToString</A></B>(byte[] data,
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int[] offset)</CODE>
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<BR>
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Return the <code>String</code> represented by the bytes in
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<code>data</code> staring at offset <code>offset[0]</code>. </TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static int</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#byteToUnsignedInt(byte)">byteToUnsignedInt</A></B>(byte b)</CODE>
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<BR>
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Convert a <code>byte</code> into an unsigned integer.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#doubleToBytes(double, byte[], int[])">doubleToBytes</A></B>(double d,
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byte[] data,
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int[] offset)</CODE>
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<BR>
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Write the bytes representing <code>d</code> into the byte array
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<code>data</code>, starting at index <code>offset [0]</code>, and
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increment <code>offset [0]</code> by the number of bytes written; if
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<code>data == null</code>, increment <code>offset [0]</code> by the
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number of bytes that would have been written otherwise.</TD>
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</TR>
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>static boolean</CODE></FONT></TD>
|
|
329 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#equals(byte[], byte[])">equals</A></B>(byte[] b1,
|
|
330 |
byte[] b2)</CODE>
|
|
331 |
|
|
332 |
<BR>
|
|
333 |
Determines whether two arrays of <code>byte</code>s contain the same
|
|
334 |
contents.</TD>
|
|
335 |
</TR>
|
|
336 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
337 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
338 |
<CODE>static int</CODE></FONT></TD>
|
|
339 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#getUnsigned(byte)">getUnsigned</A></B>(byte b)</CODE>
|
|
340 |
|
|
341 |
<BR>
|
|
342 |
DOCUMENT ME!</TD>
|
|
343 |
</TR>
|
|
344 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
345 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
346 |
<CODE>static void</CODE></FONT></TD>
|
|
347 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#intsToBytes(byte[], int, int[], int, int)">intsToBytes</A></B>(byte[] dst,
|
|
348 |
int dst_offset,
|
|
349 |
int[] src,
|
|
350 |
int src_offset,
|
|
351 |
int length)</CODE>
|
|
352 |
|
|
353 |
<BR>
|
|
354 |
Convert an array of <code>int</code>s into an array of
|
|
355 |
<code>bytes</code>.</TD>
|
|
356 |
</TR>
|
|
357 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
358 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
359 |
<CODE>static void</CODE></FONT></TD>
|
|
360 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#intToBytes(int, byte[], int[])">intToBytes</A></B>(int i,
|
|
361 |
byte[] data,
|
|
362 |
int[] offset)</CODE>
|
|
363 |
|
|
364 |
<BR>
|
|
365 |
Write the bytes representing <code>i</code> into the byte array
|
|
366 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
367 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
368 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
369 |
number of bytes that would have been written otherwise.</TD>
|
|
370 |
</TR>
|
|
371 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
372 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
373 |
<CODE>static void</CODE></FONT></TD>
|
|
374 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#longToBytes(long, byte[], int[])">longToBytes</A></B>(long l,
|
|
375 |
byte[] data,
|
|
376 |
int[] offset)</CODE>
|
|
377 |
|
|
378 |
<BR>
|
|
379 |
Write the bytes representing <code>l</code> into the byte array
|
|
380 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
381 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
382 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
383 |
number of bytes that would have been written otherwise.</TD>
|
|
384 |
</TR>
|
|
385 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
386 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
387 |
<CODE>static void</CODE></FONT></TD>
|
|
388 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#memclr(byte[], int, int)">memclr</A></B>(byte[] array,
|
|
389 |
int offset,
|
|
390 |
int length)</CODE>
|
|
391 |
|
|
392 |
<BR>
|
|
393 |
Fill the given array with zeros.</TD>
|
|
394 |
</TR>
|
|
395 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
396 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
397 |
<CODE>static boolean</CODE></FONT></TD>
|
|
398 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#memcmp(byte[], int, byte[], int, int)">memcmp</A></B>(byte[] a,
|
|
399 |
int a_offset,
|
|
400 |
byte[] b,
|
|
401 |
int b_offset,
|
|
402 |
int length)</CODE>
|
|
403 |
|
|
404 |
<BR>
|
|
405 |
Compare the contents of one array of <code>bytes</code> to another.</TD>
|
|
406 |
</TR>
|
|
407 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
408 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
409 |
<CODE>static int</CODE></FONT></TD>
|
|
410 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#memcpy(byte[], int, byte[], int, int)">memcpy</A></B>(byte[] dst,
|
|
411 |
int dst_offset,
|
|
412 |
byte[] src,
|
|
413 |
int src_offset,
|
|
414 |
int length)</CODE>
|
|
415 |
|
|
416 |
<BR>
|
|
417 |
Copy contents of one array of <code>bytes</code> into another. </TD>
|
|
418 |
</TR>
|
|
419 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
420 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
421 |
<CODE>static java.lang.String</CODE></FONT></TD>
|
|
422 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#print_bytes_exact(byte[], int, int)">print_bytes_exact</A></B>(byte[] data,
|
|
423 |
int offset,
|
|
424 |
int length)</CODE>
|
|
425 |
|
|
426 |
<BR>
|
|
427 |
DOCUMENT ME!</TD>
|
|
428 |
</TR>
|
|
429 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
430 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
431 |
<CODE>static java.lang.String</CODE></FONT></TD>
|
|
432 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#print_bytes(byte[])">print_bytes</A></B>(byte[] data)</CODE>
|
|
433 |
|
|
434 |
<BR>
|
|
435 |
DOCUMENT ME!</TD>
|
|
436 |
</TR>
|
|
437 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
438 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
439 |
<CODE>static java.lang.String</CODE></FONT></TD>
|
|
440 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#print_bytes(byte[], int, int)">print_bytes</A></B>(byte[] data,
|
|
441 |
int offset,
|
|
442 |
int length)</CODE>
|
|
443 |
|
|
444 |
<BR>
|
|
445 |
Produce a <code>String</code> representation for the specified array of
|
|
446 |
<code>byte</code>s. </TD>
|
|
447 |
</TR>
|
|
448 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
449 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
450 |
<CODE>static int</CODE></FONT></TD>
|
|
451 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#round_up(int, int)">round_up</A></B>(int value,
|
|
452 |
int multiple)</CODE>
|
|
453 |
|
|
454 |
<BR>
|
|
455 |
Round a number up to a given multiple.</TD>
|
|
456 |
</TR>
|
|
457 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
458 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
459 |
<CODE>static void</CODE></FONT></TD>
|
|
460 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#shortToBytes(short, byte[], int[])">shortToBytes</A></B>(short s,
|
|
461 |
byte[] data,
|
|
462 |
int[] offset)</CODE>
|
|
463 |
|
|
464 |
<BR>
|
|
465 |
Write the bytes representing <code>s</code> into the byte array
|
|
466 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
467 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
468 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
469 |
number of bytes that would have been written otherwise.</TD>
|
|
470 |
</TR>
|
|
471 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
472 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
473 |
<CODE>static void</CODE></FONT></TD>
|
|
474 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#stringToBytes(java.lang.String, byte[], int[])">stringToBytes</A></B>(java.lang.String s,
|
|
475 |
byte[] data,
|
|
476 |
int[] offset)</CODE>
|
|
477 |
|
|
478 |
<BR>
|
|
479 |
Write the bytes representing <code>s</code> into the byte array
|
|
480 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
481 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
482 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
483 |
number of bytes that would have been written otherwise.</TD>
|
|
484 |
</TR>
|
|
485 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
486 |
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
|
|
487 |
<CODE>static byte[]</CODE></FONT></TD>
|
|
488 |
<TD><CODE><B><A HREF="../../../../../../../com/iver/cit/gvsig/fmap/drivers/dgn/ByteUtils.html#zero_pad(byte[], int)">zero_pad</A></B>(byte[] original,
|
|
489 |
int block_size)</CODE>
|
|
490 |
|
|
491 |
<BR>
|
|
492 |
Return a new array equal to original except zero-padded to an integral
|
|
493 |
mulitple of blocks. </TD>
|
|
494 |
</TR>
|
|
495 |
</TABLE>
|
|
496 |
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
|
|
497 |
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
498 |
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
|
|
499 |
<TD><B>Methods inherited from class java.lang.Object</B></TD>
|
|
500 |
</TR>
|
|
501 |
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
502 |
<TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
|
|
503 |
</TR>
|
|
504 |
</TABLE>
|
|
505 |
|
|
506 |
<P>
|
|
507 |
|
|
508 |
<!-- ============ FIELD DETAIL =========== -->
|
|
509 |
|
|
510 |
<A NAME="field_detail"><!-- --></A>
|
|
511 |
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
512 |
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
513 |
<TD COLSPAN=1><FONT SIZE="+2">
|
|
514 |
<B>Field Detail</B></FONT></TD>
|
|
515 |
</TR>
|
|
516 |
</TABLE>
|
|
517 |
|
|
518 |
<A NAME="SIZE_BOOL"><!-- --></A><H3>
|
|
519 |
SIZE_BOOL</H3>
|
|
520 |
<PRE>
|
|
521 |
public static final int <B>SIZE_BOOL</B></PRE>
|
|
522 |
<DL>
|
|
523 |
<DL>
|
|
524 |
<DT><B>See Also:</B><DD><A HREF="../../../../../../../constant-values.html#com.iver.cit.gvsig.fmap.drivers.dgn.ByteUtils.SIZE_BOOL">Constant Field Values</A></DL>
|
|
525 |
</DL>
|
|
526 |
<HR>
|
|
527 |
|
|
528 |
<A NAME="SIZE_SHORT"><!-- --></A><H3>
|
|
529 |
SIZE_SHORT</H3>
|
|
530 |
<PRE>
|
|
531 |
public static final int <B>SIZE_SHORT</B></PRE>
|
|
532 |
<DL>
|
|
533 |
<DL>
|
|
534 |
<DT><B>See Also:</B><DD><A HREF="../../../../../../../constant-values.html#com.iver.cit.gvsig.fmap.drivers.dgn.ByteUtils.SIZE_SHORT">Constant Field Values</A></DL>
|
|
535 |
</DL>
|
|
536 |
<HR>
|
|
537 |
|
|
538 |
<A NAME="SIZE_INT"><!-- --></A><H3>
|
|
539 |
SIZE_INT</H3>
|
|
540 |
<PRE>
|
|
541 |
public static final int <B>SIZE_INT</B></PRE>
|
|
542 |
<DL>
|
|
543 |
<DL>
|
|
544 |
<DT><B>See Also:</B><DD><A HREF="../../../../../../../constant-values.html#com.iver.cit.gvsig.fmap.drivers.dgn.ByteUtils.SIZE_INT">Constant Field Values</A></DL>
|
|
545 |
</DL>
|
|
546 |
<HR>
|
|
547 |
|
|
548 |
<A NAME="SIZE_LONG"><!-- --></A><H3>
|
|
549 |
SIZE_LONG</H3>
|
|
550 |
<PRE>
|
|
551 |
public static final int <B>SIZE_LONG</B></PRE>
|
|
552 |
<DL>
|
|
553 |
<DL>
|
|
554 |
<DT><B>See Also:</B><DD><A HREF="../../../../../../../constant-values.html#com.iver.cit.gvsig.fmap.drivers.dgn.ByteUtils.SIZE_LONG">Constant Field Values</A></DL>
|
|
555 |
</DL>
|
|
556 |
<HR>
|
|
557 |
|
|
558 |
<A NAME="SIZE_DOUBLE"><!-- --></A><H3>
|
|
559 |
SIZE_DOUBLE</H3>
|
|
560 |
<PRE>
|
|
561 |
public static final int <B>SIZE_DOUBLE</B></PRE>
|
|
562 |
<DL>
|
|
563 |
<DL>
|
|
564 |
<DT><B>See Also:</B><DD><A HREF="../../../../../../../constant-values.html#com.iver.cit.gvsig.fmap.drivers.dgn.ByteUtils.SIZE_DOUBLE">Constant Field Values</A></DL>
|
|
565 |
</DL>
|
|
566 |
<HR>
|
|
567 |
|
|
568 |
<A NAME="digits"><!-- --></A><H3>
|
|
569 |
digits</H3>
|
|
570 |
<PRE>
|
|
571 |
public static final char[] <B>digits</B></PRE>
|
|
572 |
<DL>
|
|
573 |
<DD>A nibble->char mapping for printing out bytes.
|
|
574 |
<P>
|
|
575 |
<DL>
|
|
576 |
</DL>
|
|
577 |
</DL>
|
|
578 |
|
|
579 |
<!-- ========= CONSTRUCTOR DETAIL ======== -->
|
|
580 |
|
|
581 |
<A NAME="constructor_detail"><!-- --></A>
|
|
582 |
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
583 |
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
584 |
<TD COLSPAN=1><FONT SIZE="+2">
|
|
585 |
<B>Constructor Detail</B></FONT></TD>
|
|
586 |
</TR>
|
|
587 |
</TABLE>
|
|
588 |
|
|
589 |
<A NAME="ByteUtils()"><!-- --></A><H3>
|
|
590 |
ByteUtils</H3>
|
|
591 |
<PRE>
|
|
592 |
public <B>ByteUtils</B>()</PRE>
|
|
593 |
<DL>
|
|
594 |
</DL>
|
|
595 |
|
|
596 |
<!-- ============ METHOD DETAIL ========== -->
|
|
597 |
|
|
598 |
<A NAME="method_detail"><!-- --></A>
|
|
599 |
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
|
|
600 |
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
601 |
<TD COLSPAN=1><FONT SIZE="+2">
|
|
602 |
<B>Method Detail</B></FONT></TD>
|
|
603 |
</TR>
|
|
604 |
</TABLE>
|
|
605 |
|
|
606 |
<A NAME="bytesToInt(byte[], int[])"><!-- --></A><H3>
|
|
607 |
bytesToInt</H3>
|
|
608 |
<PRE>
|
|
609 |
public static final int <B>bytesToInt</B>(byte[] data,
|
|
610 |
int[] offset)</PRE>
|
|
611 |
<DL>
|
|
612 |
<DD>Return the <code>int</code> represented by the bytes in
|
|
613 |
<code>data</code> staring at offset <code>offset[0]</code>.
|
|
614 |
<P>
|
|
615 |
<DD><DL>
|
|
616 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
617 |
data from which to begin reading on function entry, and which on
|
|
618 |
function exit has been incremented by the number of bytes read.
|
|
619 |
<DT><B>Returns:</B><DD>the value of the <code>int</code> decoded</DL>
|
|
620 |
</DD>
|
|
621 |
</DL>
|
|
622 |
<HR>
|
|
623 |
|
|
624 |
<A NAME="intToBytes(int, byte[], int[])"><!-- --></A><H3>
|
|
625 |
intToBytes</H3>
|
|
626 |
<PRE>
|
|
627 |
public static final void <B>intToBytes</B>(int i,
|
|
628 |
byte[] data,
|
|
629 |
int[] offset)</PRE>
|
|
630 |
<DL>
|
|
631 |
<DD>Write the bytes representing <code>i</code> into the byte array
|
|
632 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
633 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
634 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
635 |
number of bytes that would have been written otherwise.
|
|
636 |
<P>
|
|
637 |
<DD><DL>
|
|
638 |
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the <code>int</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
639 |
data to begin writing at on function entry, and which on
|
|
640 |
function exit has been incremented by the number of bytes
|
|
641 |
written.</DL>
|
|
642 |
</DD>
|
|
643 |
</DL>
|
|
644 |
<HR>
|
|
645 |
|
|
646 |
<A NAME="bytesToShort(byte[], int[])"><!-- --></A><H3>
|
|
647 |
bytesToShort</H3>
|
|
648 |
<PRE>
|
|
649 |
public static final short <B>bytesToShort</B>(byte[] data,
|
|
650 |
int[] offset)</PRE>
|
|
651 |
<DL>
|
|
652 |
<DD>Return the <code>short</code> represented by the bytes in
|
|
653 |
<code>data</code> staring at offset <code>offset[0]</code>.
|
|
654 |
<P>
|
|
655 |
<DD><DL>
|
|
656 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
657 |
data from which to begin reading on function entry, and which on
|
|
658 |
function exit has been incremented by the number of bytes read.
|
|
659 |
<DT><B>Returns:</B><DD>the value of the <code>short</code> decoded</DL>
|
|
660 |
</DD>
|
|
661 |
</DL>
|
|
662 |
<HR>
|
|
663 |
|
|
664 |
<A NAME="shortToBytes(short, byte[], int[])"><!-- --></A><H3>
|
|
665 |
shortToBytes</H3>
|
|
666 |
<PRE>
|
|
667 |
public static final void <B>shortToBytes</B>(short s,
|
|
668 |
byte[] data,
|
|
669 |
int[] offset)</PRE>
|
|
670 |
<DL>
|
|
671 |
<DD>Write the bytes representing <code>s</code> into the byte array
|
|
672 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
673 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
674 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
675 |
number of bytes that would have been written otherwise.
|
|
676 |
<P>
|
|
677 |
<DD><DL>
|
|
678 |
<DT><B>Parameters:</B><DD><CODE>s</CODE> - the <code>short</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
679 |
data to begin writing at on function entry, and which on
|
|
680 |
function exit has been incremented by the number of bytes
|
|
681 |
written.</DL>
|
|
682 |
</DD>
|
|
683 |
</DL>
|
|
684 |
<HR>
|
|
685 |
|
|
686 |
<A NAME="bytesToLong(byte[], int[])"><!-- --></A><H3>
|
|
687 |
bytesToLong</H3>
|
|
688 |
<PRE>
|
|
689 |
public static final long <B>bytesToLong</B>(byte[] data,
|
|
690 |
int[] offset)</PRE>
|
|
691 |
<DL>
|
|
692 |
<DD>Return the <code>long</code> represented by the bytes in
|
|
693 |
<code>data</code> staring at offset <code>offset[0]</code>.
|
|
694 |
<P>
|
|
695 |
<DD><DL>
|
|
696 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
697 |
data from which to begin reading on function entry, and which
|
|
698 |
on function exit has been incremented by the number of bytes
|
|
699 |
read.
|
|
700 |
<DT><B>Returns:</B><DD>the value of the <code>long</code> decoded</DL>
|
|
701 |
</DD>
|
|
702 |
</DL>
|
|
703 |
<HR>
|
|
704 |
|
|
705 |
<A NAME="longToBytes(long, byte[], int[])"><!-- --></A><H3>
|
|
706 |
longToBytes</H3>
|
|
707 |
<PRE>
|
|
708 |
public static final void <B>longToBytes</B>(long l,
|
|
709 |
byte[] data,
|
|
710 |
int[] offset)</PRE>
|
|
711 |
<DL>
|
|
712 |
<DD>Write the bytes representing <code>l</code> into the byte array
|
|
713 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
714 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
715 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
716 |
number of bytes that would have been written otherwise.
|
|
717 |
<P>
|
|
718 |
<DD><DL>
|
|
719 |
<DT><B>Parameters:</B><DD><CODE>l</CODE> - the <code>long</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
720 |
data to begin writing at on function entry, and which on
|
|
721 |
function exit has been incremented by the number of bytes
|
|
722 |
written.</DL>
|
|
723 |
</DD>
|
|
724 |
</DL>
|
|
725 |
<HR>
|
|
726 |
|
|
727 |
<A NAME="bytesToDouble(byte[], int[])"><!-- --></A><H3>
|
|
728 |
bytesToDouble</H3>
|
|
729 |
<PRE>
|
|
730 |
public static final double <B>bytesToDouble</B>(byte[] data,
|
|
731 |
int[] offset)</PRE>
|
|
732 |
<DL>
|
|
733 |
<DD>Return the <code>double</code> represented by the bytes in
|
|
734 |
<code>data</code> staring at offset <code>offset[0]</code>.
|
|
735 |
<P>
|
|
736 |
<DD><DL>
|
|
737 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
738 |
data from which to begin reading on function entry, and which
|
|
739 |
on function exit has been incremented by the number of bytes
|
|
740 |
read.
|
|
741 |
<DT><B>Returns:</B><DD>the value of the <code>double</code> decoded</DL>
|
|
742 |
</DD>
|
|
743 |
</DL>
|
|
744 |
<HR>
|
|
745 |
|
|
746 |
<A NAME="doubleToBytes(double, byte[], int[])"><!-- --></A><H3>
|
|
747 |
doubleToBytes</H3>
|
|
748 |
<PRE>
|
|
749 |
public static final void <B>doubleToBytes</B>(double d,
|
|
750 |
byte[] data,
|
|
751 |
int[] offset)</PRE>
|
|
752 |
<DL>
|
|
753 |
<DD>Write the bytes representing <code>d</code> into the byte array
|
|
754 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
755 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
756 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
757 |
number of bytes that would have been written otherwise.
|
|
758 |
<P>
|
|
759 |
<DD><DL>
|
|
760 |
<DT><B>Parameters:</B><DD><CODE>d</CODE> - the <code>double</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
761 |
data to begin writing at on function entry, and which on
|
|
762 |
function exit has been incremented by the number of bytes
|
|
763 |
written.</DL>
|
|
764 |
</DD>
|
|
765 |
</DL>
|
|
766 |
<HR>
|
|
767 |
|
|
768 |
<A NAME="bytesToString(byte[], int[])"><!-- --></A><H3>
|
|
769 |
bytesToString</H3>
|
|
770 |
<PRE>
|
|
771 |
public static final java.lang.String <B>bytesToString</B>(byte[] data,
|
|
772 |
int[] offset)</PRE>
|
|
773 |
<DL>
|
|
774 |
<DD>Return the <code>String</code> represented by the bytes in
|
|
775 |
<code>data</code> staring at offset <code>offset[0]</code>. This method
|
|
776 |
relies on the user using the corresponding <code>stringToBytes</code>
|
|
777 |
method to encode the <code>String</code>, so that it may properly
|
|
778 |
retrieve the <code>String</code> length.
|
|
779 |
<P>
|
|
780 |
<DD><DL>
|
|
781 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
782 |
data from which to begin reading on function entry, and which on
|
|
783 |
function exit has been incremented by the number of bytes read.
|
|
784 |
<DT><B>Returns:</B><DD>the value of the <code>String</code> decoded</DL>
|
|
785 |
</DD>
|
|
786 |
</DL>
|
|
787 |
<HR>
|
|
788 |
|
|
789 |
<A NAME="stringToBytes(java.lang.String, byte[], int[])"><!-- --></A><H3>
|
|
790 |
stringToBytes</H3>
|
|
791 |
<PRE>
|
|
792 |
public static final void <B>stringToBytes</B>(java.lang.String s,
|
|
793 |
byte[] data,
|
|
794 |
int[] offset)</PRE>
|
|
795 |
<DL>
|
|
796 |
<DD>Write the bytes representing <code>s</code> into the byte array
|
|
797 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
798 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
799 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
800 |
number of bytes that would have been written otherwise.
|
|
801 |
<P>
|
|
802 |
<DD><DL>
|
|
803 |
<DT><B>Parameters:</B><DD><CODE>s</CODE> - the <code>String</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
804 |
data to begin writing at on function entry, and which on
|
|
805 |
function exit has been incremented by the number of bytes
|
|
806 |
written.</DL>
|
|
807 |
</DD>
|
|
808 |
</DL>
|
|
809 |
<HR>
|
|
810 |
|
|
811 |
<A NAME="bytesToBool(byte[], int[])"><!-- --></A><H3>
|
|
812 |
bytesToBool</H3>
|
|
813 |
<PRE>
|
|
814 |
public static final boolean <B>bytesToBool</B>(byte[] data,
|
|
815 |
int[] offset)</PRE>
|
|
816 |
<DL>
|
|
817 |
<DD>Return the <code>boolean</code> represented by the bytes in
|
|
818 |
<code>data</code> staring at offset <code>offset[0]</code>.
|
|
819 |
<P>
|
|
820 |
<DD><DL>
|
|
821 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
822 |
data from which to begin reading on function entry, and which
|
|
823 |
on function exit has been incremented by the number of bytes
|
|
824 |
read.
|
|
825 |
<DT><B>Returns:</B><DD>the value of the <code>boolean</code> decoded</DL>
|
|
826 |
</DD>
|
|
827 |
</DL>
|
|
828 |
<HR>
|
|
829 |
|
|
830 |
<A NAME="boolToBytes(boolean, byte[], int[])"><!-- --></A><H3>
|
|
831 |
boolToBytes</H3>
|
|
832 |
<PRE>
|
|
833 |
public static final void <B>boolToBytes</B>(boolean b,
|
|
834 |
byte[] data,
|
|
835 |
int[] offset)</PRE>
|
|
836 |
<DL>
|
|
837 |
<DD>Write the bytes representing <code>b</code> into the byte array
|
|
838 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
839 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
840 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
841 |
number of bytes that would have been written otherwise.
|
|
842 |
<P>
|
|
843 |
<DD><DL>
|
|
844 |
<DT><B>Parameters:</B><DD><CODE>b</CODE> - the <code>boolean</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
845 |
data to begin writing at on function entry, and which on
|
|
846 |
function exit has been incremented by the number of bytes
|
|
847 |
written.</DL>
|
|
848 |
</DD>
|
|
849 |
</DL>
|
|
850 |
<HR>
|
|
851 |
|
|
852 |
<A NAME="bytesToBigInteger(byte[], int[])"><!-- --></A><H3>
|
|
853 |
bytesToBigInteger</H3>
|
|
854 |
<PRE>
|
|
855 |
public static final java.math.BigInteger <B>bytesToBigInteger</B>(byte[] data,
|
|
856 |
int[] offset)</PRE>
|
|
857 |
<DL>
|
|
858 |
<DD>Return the <code>BigInteger</code> represented by the bytes in
|
|
859 |
<code>data</code> staring at offset <code>offset[0]</code>.
|
|
860 |
<P>
|
|
861 |
<DD><DL>
|
|
862 |
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the array from which to read<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
863 |
data from which to begin reading on function entry, and which
|
|
864 |
on function exit has been incremented by the number of bytes
|
|
865 |
read.
|
|
866 |
<DT><B>Returns:</B><DD>the <code>BigInteger</code> decoded</DL>
|
|
867 |
</DD>
|
|
868 |
</DL>
|
|
869 |
<HR>
|
|
870 |
|
|
871 |
<A NAME="bigIntegerToBytes(java.math.BigInteger, byte[], int[])"><!-- --></A><H3>
|
|
872 |
bigIntegerToBytes</H3>
|
|
873 |
<PRE>
|
|
874 |
public static final void <B>bigIntegerToBytes</B>(java.math.BigInteger n,
|
|
875 |
byte[] data,
|
|
876 |
int[] offset)</PRE>
|
|
877 |
<DL>
|
|
878 |
<DD>Write the bytes representing <code>n</code> into the byte array
|
|
879 |
<code>data</code>, starting at index <code>offset [0]</code>, and
|
|
880 |
increment <code>offset [0]</code> by the number of bytes written; if
|
|
881 |
<code>data == null</code>, increment <code>offset [0]</code> by the
|
|
882 |
number of bytes that would have been written otherwise.
|
|
883 |
<P>
|
|
884 |
<DD><DL>
|
|
885 |
<DT><B>Parameters:</B><DD><CODE>n</CODE> - the <code>BigInteger</code> to encode<DD><CODE>data</CODE> - The byte array to store into, or <code>null</code>.<DD><CODE>offset</CODE> - A single element array whose first element is the index in
|
|
886 |
data to begin writing at on function entry, and which on
|
|
887 |
function exit has been incremented by the number of bytes
|
|
888 |
written.</DL>
|
|
889 |
</DD>
|
|
890 |
</DL>
|
|
891 |
<HR>
|
|
892 |
|
|
893 |
<A NAME="bytesToInts(int[], int, byte[], int, int)"><!-- --></A><H3>
|
|
894 |
bytesToInts</H3>
|
|
895 |
<PRE>
|
|
896 |
public static final void <B>bytesToInts</B>(int[] dst,
|
|
897 |
int dst_offset,
|
|
898 |
byte[] src,
|
|
899 |
int src_offset,
|
|
900 |
int length)</PRE>
|
|
901 |
<DL>
|
|
902 |
<DD>Convert an array of <code>bytes</code>s into an array of
|
|
903 |
<code>ints</code>.
|
|
904 |
<P>
|
|
905 |
<DD><DL>
|
|
906 |
<DT><B>Parameters:</B><DD><CODE>dst</CODE> - the array to write<DD><CODE>dst_offset</CODE> - the start offset in <code>dst</code>, times 4. This
|
|
907 |
measures the offset as if <code>dst</code> were an array of
|
|
908 |
<code>byte</code>s (rather than <code>int</code>s).<DD><CODE>src</CODE> - the array to read<DD><CODE>src_offset</CODE> - the start offset in <code>src</code><DD><CODE>length</CODE> - the number of <code>byte</code>s to copy.</DL>
|
|
909 |
</DD>
|
|
910 |
</DL>
|
|
911 |
<HR>
|
|
912 |
|
|
913 |
<A NAME="intsToBytes(byte[], int, int[], int, int)"><!-- --></A><H3>
|
|
914 |
intsToBytes</H3>
|
|
915 |
<PRE>
|
|
916 |
public static final void <B>intsToBytes</B>(byte[] dst,
|
|
917 |
int dst_offset,
|
|
918 |
int[] src,
|
|
919 |
int src_offset,
|
|
920 |
int length)</PRE>
|
|
921 |
<DL>
|
|
922 |
<DD>Convert an array of <code>int</code>s into an array of
|
|
923 |
<code>bytes</code>.
|
|
924 |
<P>
|
|
925 |
<DD><DL>
|
|
926 |
<DT><B>Parameters:</B><DD><CODE>dst</CODE> - the array to write<DD><CODE>dst_offset</CODE> - the start offset in <code>dst</code><DD><CODE>src</CODE> - the array to read<DD><CODE>src_offset</CODE> - the start offset in <code>src</code>, times 4. This
|
|
927 |
measures the offset as if <code>src</code> were an array of
|
|
928 |
<code>byte</code>s (rather than <code>int</code>s).<DD><CODE>length</CODE> - the number of <code>byte</code>s to copy.</DL>
|
|
929 |
</DD>
|
|
930 |
</DL>
|
|
931 |
<HR>
|
|
932 |
|
|
933 |
<A NAME="byteToUnsignedInt(byte)"><!-- --></A><H3>
|
|
934 |
byteToUnsignedInt</H3>
|
|
935 |
<PRE>
|
|
936 |
public static final int <B>byteToUnsignedInt</B>(byte b)</PRE>
|
|
937 |
<DL>
|
|
938 |
<DD>Convert a <code>byte</code> into an unsigned integer.
|
|
939 |
<P>
|
|
940 |
<DD><DL>
|
|
941 |
<DT><B>Parameters:</B><DD><CODE>b</CODE> - the <code>byte</code> to cast
|
|
942 |
<DT><B>Returns:</B><DD>a postiive <code>int</code> whose lowest byte contains the bits
|
|
943 |
of <code>b</code>.</DL>
|
|
944 |
</DD>
|
|
945 |
</DL>
|
|
946 |
<HR>
|
|
947 |
|
|
948 |
<A NAME="memcpy(byte[], int, byte[], int, int)"><!-- --></A><H3>
|
|
949 |
memcpy</H3>
|
|
950 |
<PRE>
|
|
951 |
public static int <B>memcpy</B>(byte[] dst,
|
|
952 |
int dst_offset,
|
|
953 |
byte[] src,
|
|
954 |
int src_offset,
|
|
955 |
int length)</PRE>
|
|
956 |
<DL>
|
|
957 |
<DD>Copy contents of one array of <code>bytes</code> into another. If either
|
|
958 |
array is <code>null</code>, simply return the <code>length</code>
|
|
959 |
parameter directly.
|
|
960 |
<P>
|
|
961 |
<DD><DL>
|
|
962 |
<DT><B>Parameters:</B><DD><CODE>dst</CODE> - the array to write, or <code>null</code><DD><CODE>dst_offset</CODE> - the start offset in <code>dst</code><DD><CODE>src</CODE> - the array to read, or <code>null</code><DD><CODE>src_offset</CODE> - the start offset in <code>src</code><DD><CODE>length</CODE> - the number of <code>byte</code>s to copy.
|
|
963 |
<DT><B>Returns:</B><DD>DOCUMENT ME!</DL>
|
|
964 |
</DD>
|
|
965 |
</DL>
|
|
966 |
<HR>
|
|
967 |
|
|
968 |
<A NAME="memcmp(byte[], int, byte[], int, int)"><!-- --></A><H3>
|
|
969 |
memcmp</H3>
|
|
970 |
<PRE>
|
|
971 |
public static boolean <B>memcmp</B>(byte[] a,
|
|
972 |
int a_offset,
|
|
973 |
byte[] b,
|
|
974 |
int b_offset,
|
|
975 |
int length)</PRE>
|
|
976 |
<DL>
|
|
977 |
<DD>Compare the contents of one array of <code>bytes</code> to another.
|
|
978 |
<P>
|
|
979 |
<DD><DL>
|
|
980 |
<DT><B>Parameters:</B><DD><CODE>a</CODE> - the first array<DD><CODE>a_offset</CODE> - the start offset in <code>a</code><DD><CODE>b</CODE> - the second array<DD><CODE>b_offset</CODE> - the start offset in <code>b</code><DD><CODE>length</CODE> - the number of <code>byte</code>s to compare.
|
|
981 |
<DT><B>Returns:</B><DD>DOCUMENT ME!</DL>
|
|
982 |
</DD>
|
|
983 |
</DL>
|
|
984 |
<HR>
|
|
985 |
|
|
986 |
<A NAME="memclr(byte[], int, int)"><!-- --></A><H3>
|
|
987 |
memclr</H3>
|
|
988 |
<PRE>
|
|
989 |
public static void <B>memclr</B>(byte[] array,
|
|
990 |
int offset,
|
|
991 |
int length)</PRE>
|
|
992 |
<DL>
|
|
993 |
<DD>Fill the given array with zeros.
|
|
994 |
<P>
|
|
995 |
<DD><DL>
|
|
996 |
<DT><B>Parameters:</B><DD><CODE>array</CODE> - the array to clear<DD><CODE>offset</CODE> - the start offset<DD><CODE>length</CODE> - the number of <code>byte</code>s to clear.</DL>
|
|
997 |
</DD>
|
|
998 |
</DL>
|
|
999 |
<HR>
|
|
1000 |
|
|
1001 |
<A NAME="round_up(int, int)"><!-- --></A><H3>
|
|
1002 |
round_up</H3>
|
|
1003 |
<PRE>
|
|
1004 |
public static int <B>round_up</B>(int value,
|
|
1005 |
int multiple)</PRE>
|
|
1006 |
<DL>
|
|
1007 |
<DD>Round a number up to a given multiple.
|
|
1008 |
<P>
|
|
1009 |
<DD><DL>
|
|
1010 |
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the number to be rounded<DD><CODE>multiple</CODE> - the number to which to be rounded
|
|
1011 |
<DT><B>Returns:</B><DD>the smallest <code>int</code> greater than or equal to
|
|
1012 |
<code>value</code> which divides <code>multiple</code> exactly.</DL>
|
|
1013 |
</DD>
|
|
1014 |
</DL>
|
|
1015 |
<HR>
|
|
1016 |
|
|
1017 |
<A NAME="zero_pad(byte[], int)"><!-- --></A><H3>
|
|
1018 |
zero_pad</H3>
|
|
1019 |
<PRE>
|
|
1020 |
public static byte[] <B>zero_pad</B>(byte[] original,
|
|
1021 |
int block_size)</PRE>
|
|
1022 |
<DL>
|
|
1023 |
<DD>Return a new array equal to original except zero-padded to an integral
|
|
1024 |
mulitple of blocks. If the original is already an integral multiple of
|
|
1025 |
blocks, just return it.
|
|
1026 |
<P>
|
|
1027 |
<DD><DL>
|
|
1028 |
<DT><B>Parameters:</B><DD><CODE>original</CODE> - the array of <code>byte</code>s to be padded<DD><CODE>block_size</CODE> - the size of the blocks
|
|
1029 |
<DT><B>Returns:</B><DD>an array whose size divides <code>block_size</code> exactly. The
|
|
1030 |
array is either <code>original</code> itself, or a copy whose
|
|
1031 |
first <code>original.length</code> bytes are equal to
|
|
1032 |
<code>original</code>.</DL>
|
|
1033 |
</DD>
|
|
1034 |
</DL>
|
|
1035 |
<HR>
|
|
1036 |
|
|
1037 |
<A NAME="equals(byte[], byte[])"><!-- --></A><H3>
|
|
1038 |
equals</H3>
|
|
1039 |
<PRE>
|
|
1040 |
public static boolean <B>equals</B>(byte[] b1,
|
|
1041 |
byte[] b2)</PRE>
|
|
1042 |
<DL>
|
|
1043 |
<DD>Determines whether two arrays of <code>byte</code>s contain the same
|
|
1044 |
contents.
|
|
1045 |
<P>
|
|
1046 |
<DD><DL>
|
|
1047 |
<DT><B>Parameters:</B><DD><CODE>b1</CODE> - The first array<DD><CODE>b2</CODE> - The second array
|
|
1048 |
<DT><B>Returns:</B><DD><code>true</code> if both arrays are <code>null</code>, both
|
|
1049 |
empty, or both of the same length with equal contents.</DL>
|