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CBZip2InputStream (Apache Ant API)
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org.apache.tools.bzip2</FONT>
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Class CBZip2InputStream</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../../resources/inherit.gif" ALT="extended by ">java.io.InputStream
      <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.tools.bzip2.CBZip2InputStream</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.io.Closeable, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html" title="interface in org.apache.tools.bzip2">BZip2Constants</A></DD>
</DL>
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<DT><PRE>public class <B>CBZip2InputStream</B><DT>extends java.io.InputStream<DT>implements <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html" title="interface in org.apache.tools.bzip2">BZip2Constants</A></DL>
</PRE>

<P>
An input stream that decompresses from the BZip2 format (without the file
 header chars) to be read as any other stream.

<p>The decompression requires large amounts of memory. Thus you
 should call the <A HREF="../../../../org/apache/tools/bzip2/CBZip2InputStream.html#close()"><CODE>close()</CODE></A> method as soon as
 possible, to force <tt>CBZip2InputStream</tt> to release the
 allocated memory.  See <A HREF="../../../../org/apache/tools/bzip2/CBZip2OutputStream.html" title="class in org.apache.tools.bzip2"><CODE>CBZip2OutputStream</CODE></A> for information about memory usage.</p>

<p><tt>CBZip2InputStream</tt> reads bytes from the compressed
 source stream via the single byte <CODE>read()</CODE> method exclusively. Thus you should consider to use a
 buffered source stream.</p>
 
 <p>Instances of this class are not threadsafe.</p>
<P>

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<TH ALIGN="left"><B>Fields inherited from interface org.apache.tools.bzip2.<A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html" title="interface in org.apache.tools.bzip2">BZip2Constants</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#baseBlockSize">baseBlockSize</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#G_SIZE">G_SIZE</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#MAX_ALPHA_SIZE">MAX_ALPHA_SIZE</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#MAX_CODE_LEN">MAX_CODE_LEN</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#MAX_SELECTORS">MAX_SELECTORS</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#N_GROUPS">N_GROUPS</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#N_ITERS">N_ITERS</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#NUM_OVERSHOOT_BYTES">NUM_OVERSHOOT_BYTES</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#rNums">rNums</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#RUNA">RUNA</A>, <A HREF="../../../../org/apache/tools/bzip2/BZip2Constants.html#RUNB">RUNB</A></CODE></TD>
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<TD><CODE><B><A HREF="../../../../org/apache/tools/bzip2/CBZip2InputStream.html#CBZip2InputStream(java.io.InputStream)">CBZip2InputStream</A></B>(java.io.InputStream&nbsp;in)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructs a new CBZip2InputStream which decompresses bytes read from
 the specified stream.</TD>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/tools/bzip2/CBZip2InputStream.html#close()">close</A></B>()</CODE>

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<TH ALIGN="left"><B>Methods inherited from class java.io.InputStream</B></TH>
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<TD><CODE>available, mark, markSupported, read, reset, skip</CODE></TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="CBZip2InputStream(java.io.InputStream)"></A><H3>
CBZip2InputStream</H3>
<PRE>
public <B>CBZip2InputStream</B>(java.io.InputStream&nbsp;in)
                  throws java.io.IOException</PRE>
<DL>
<DD>Constructs a new CBZip2InputStream which decompresses bytes read from
 the specified stream.

<p>Although BZip2 headers are marked with the magic
 <tt>"Bz"</tt> this constructor expects the next byte in the
 stream to be the first one after the magic.  Thus callers have
 to skip the first two bytes. Otherwise this constructor will
 throw an exception. </p>
<P>
<DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - if the stream content is malformed or an I/O error occurs.
<DD><CODE>java.lang.NullPointerException</CODE> - if <tt>in == null</tt></DL>
</DL>

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<A NAME="read()"></A><H3>
read</H3>
<PRE>
public int <B>read</B>()
         throws java.io.IOException</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>read</CODE> in class <CODE>java.io.InputStream</CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="read(byte[], int, int)"></A><H3>
read</H3>
<PRE>
public int <B>read</B>(byte[]&nbsp;dest,
                int&nbsp;offs,
                int&nbsp;len)
         throws java.io.IOException</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>read</CODE> in class <CODE>java.io.InputStream</CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="close()"></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
           throws java.io.IOException</PRE>
<DL>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>close</CODE> in interface <CODE>java.io.Closeable</CODE><DT><B>Overrides:</B><DD><CODE>close</CODE> in class <CODE>java.io.InputStream</CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>

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