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Base64 (Encode/Decode Utilities (Version 1.3))
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org.apache.commons.codec.binary</FONT>
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Class Base64</H2>
<PRE>
<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><B>org.apache.commons.codec.binary.Base64</B>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/commons/codec/BinaryDecoder.html" title="interface in org.apache.commons.codec">BinaryDecoder</A>, <A HREF="../../../../../org/apache/commons/codec/BinaryEncoder.html" title="interface in org.apache.commons.codec">BinaryEncoder</A>, <A HREF="../../../../../org/apache/commons/codec/Decoder.html" title="interface in org.apache.commons.codec">Decoder</A>, <A HREF="../../../../../org/apache/commons/codec/Encoder.html" title="interface in org.apache.commons.codec">Encoder</A></DD>
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<DT>public class <B>Base64</B><DT>extends <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../org/apache/commons/codec/BinaryEncoder.html" title="interface in org.apache.commons.codec">BinaryEncoder</A>, <A HREF="../../../../../org/apache/commons/codec/BinaryDecoder.html" title="interface in org.apache.commons.codec">BinaryDecoder</A></DL>
<P>
Provides Base64 encoding and decoding as defined by RFC 2045. <p>This class implements section <cite>6.8. Base64 Content-Transfer-Encoding</cite> from RFC 2045 <cite>Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies</cite> by Freed and Borenstein.</p>
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<P>
<DL>
<DT><B>Since:</B></DT> <DD>1.0-dev</DD><DT><B>Version:</B></DT> <DD>$Id: Base64.java,v 1.20 2004/05/24 00:21:24 ggregory Exp $</DD><DT><B>Author:</B></DT> <DD>Apache Software Foundation</DD><DT><B>See Also:</B><DD><a href="http://www.ietf.org/rfc/rfc2045.txt">RFC 2045</a></DL>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>private static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#base64Alphabet">base64Alphabet</A></B></CODE>
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</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#BASELENGTH">BASELENGTH</A></B></CODE>
<BR>
The base length.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#CHUNK_SEPARATOR">CHUNK_SEPARATOR</A></B></CODE>
<BR>
Chunk separator per RFC 2045 section 2.1.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#CHUNK_SIZE">CHUNK_SIZE</A></B></CODE>
<BR>
Chunk size per RFC 2045 section 6.8.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#EIGHTBIT">EIGHTBIT</A></B></CODE>
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Used to calculate the number of bits in a byte.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#FOURBYTE">FOURBYTE</A></B></CODE>
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Used to get the number of Quadruples.</TD>
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<CODE>private static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#lookUpBase64Alphabet">lookUpBase64Alphabet</A></B></CODE>
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<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#LOOKUPLENGTH">LOOKUPLENGTH</A></B></CODE>
<BR>
Lookup length.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static byte</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#PAD">PAD</A></B></CODE>
<BR>
Byte used to pad output.</TD>
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<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#SIGN">SIGN</A></B></CODE>
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Used to test the sign of a byte.</TD>
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<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#SIXTEENBIT">SIXTEENBIT</A></B></CODE>
<BR>
Used when encoding something which has fewer than 24 bits.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#TWENTYFOURBITGROUP">TWENTYFOURBITGROUP</A></B></CODE>
<BR>
Used to determine how many bits data contains.</TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#Base64()">Base64</A></B>()</CODE>
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<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TD>
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<CODE> byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#decode(byte[])">decode</A></B>(byte[] pArray)</CODE>
<BR>
Decodes a byte[] containing containing characters in the Base64 alphabet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#decode(java.lang.Object)">decode</A></B>(<A HREF="http://java.sun.com/products/jdk/1.3/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> pObject)</CODE>
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Decodes an Object using the base64 algorithm.</TD>
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<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="../../../../../org/apache/commons/codec/binary/Base64.html#decodeBase64(byte[])">decodeBase64</A></B>(byte[] base64Data)</CODE>
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Decodes Base64 data into octects</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>(package private) static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/codec/binary/Base64.html#discardNonBase64(byte[])">discardNonBase64</A></B>(byte[] data)</CODE>
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