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6<TITLE>
7CompressionCodec (Hadoop 0.20.1 API)
8</TITLE>
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39  <TR ALIGN="center" VALIGN="top">
40  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
41  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
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55
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57<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
58&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/CodecPool.html" title="class in org.apache.hadoop.io.compress"><B>PREV CLASS</B></A>&nbsp;
59&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodecFactory.html" title="class in org.apache.hadoop.io.compress"><B>NEXT CLASS</B></A></FONT></TD>
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80<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
81DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
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86
87<HR>
88<!-- ======== START OF CLASS DATA ======== -->
89<H2>
90<FONT SIZE="-1">
91org.apache.hadoop.io.compress</FONT>
92<BR>
93Interface CompressionCodec</H2>
94<DL>
95<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/hadoop/io/compress/BZip2Codec.html" title="class in org.apache.hadoop.io.compress">BZip2Codec</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/DefaultCodec.html" title="class in org.apache.hadoop.io.compress">DefaultCodec</A>, <A HREF="../../../../../org/apache/hadoop/io/compress/GzipCodec.html" title="class in org.apache.hadoop.io.compress">GzipCodec</A></DD>
96</DL>
97<HR>
98<DL>
99<DT><PRE>public interface <B>CompressionCodec</B></DL>
100</PRE>
101
102<P>
103This class encapsulates a streaming compression/decompression pair.
104<P>
105
106<P>
107<HR>
108
109<P>
110
111<!-- ========== METHOD SUMMARY =========== -->
112
113<A NAME="method_summary"><!-- --></A>
114<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
115<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
116<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
117<B>Method Summary</B></FONT></TH>
118</TR>
119<TR BGCOLOR="white" CLASS="TableRowColor">
120<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
121<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress">Compressor</A></CODE></FONT></TD>
122<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#createCompressor()">createCompressor</A></B>()</CODE>
123
124<BR>
125&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Compressor</CODE></A> for use by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.</TD>
126</TR>
127<TR BGCOLOR="white" CLASS="TableRowColor">
128<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
129<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A></CODE></FONT></TD>
130<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#createDecompressor()">createDecompressor</A></B>()</CODE>
131
132<BR>
133&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Decompressor</CODE></A> for use by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.</TD>
134</TR>
135<TR BGCOLOR="white" CLASS="TableRowColor">
136<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
137<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress">CompressionInputStream</A></CODE></FONT></TD>
138<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#createInputStream(java.io.InputStream)">createInputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in)</CODE>
139
140<BR>
141&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a stream decompressor that will read from the given input stream.</TD>
142</TR>
143<TR BGCOLOR="white" CLASS="TableRowColor">
144<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
145<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress">CompressionInputStream</A></CODE></FONT></TD>
146<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#createInputStream(java.io.InputStream, org.apache.hadoop.io.compress.Decompressor)">createInputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in,
147                  <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&nbsp;decompressor)</CODE>
148
149<BR>
150&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress"><CODE>CompressionInputStream</CODE></A> that will read from the given
151 <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><CODE>InputStream</CODE></A> with the given <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Decompressor</CODE></A>.</TD>
152</TR>
153<TR BGCOLOR="white" CLASS="TableRowColor">
154<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
155<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress">CompressionOutputStream</A></CODE></FONT></TD>
156<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#createOutputStream(java.io.OutputStream)">createOutputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;out)</CODE>
157
158<BR>
159&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress"><CODE>CompressionOutputStream</CODE></A> that will write to the given
160 <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A>.</TD>
161</TR>
162<TR BGCOLOR="white" CLASS="TableRowColor">
163<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
164<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress">CompressionOutputStream</A></CODE></FONT></TD>
165<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#createOutputStream(java.io.OutputStream, org.apache.hadoop.io.compress.Compressor)">createOutputStream</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;out,
166                   <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress">Compressor</A>&nbsp;compressor)</CODE>
167
168<BR>
169&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress"><CODE>CompressionOutputStream</CODE></A> that will write to the given
170 <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A> with the given <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Compressor</CODE></A>.</TD>
171</TR>
172<TR BGCOLOR="white" CLASS="TableRowColor">
173<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
174<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress">Compressor</A>&gt;</CODE></FONT></TD>
175<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#getCompressorType()">getCompressorType</A></B>()</CODE>
176
177<BR>
178&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the type of <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Compressor</CODE></A> needed by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.</TD>
179</TR>
180<TR BGCOLOR="white" CLASS="TableRowColor">
181<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
182<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&gt;</CODE></FONT></TD>
183<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#getDecompressorType()">getDecompressorType</A></B>()</CODE>
184
185<BR>
186&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the type of <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Decompressor</CODE></A> needed by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.</TD>
187</TR>
188<TR BGCOLOR="white" CLASS="TableRowColor">
189<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
190<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
191<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html#getDefaultExtension()">getDefaultExtension</A></B>()</CODE>
192
193<BR>
194&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the default filename extension for this kind of compression.</TD>
195</TR>
196</TABLE>
197&nbsp;
198<P>
199
200<!-- ============ METHOD DETAIL ========== -->
201
202<A NAME="method_detail"><!-- --></A>
203<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
204<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
205<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
206<B>Method Detail</B></FONT></TH>
207</TR>
208</TABLE>
209
210<A NAME="createOutputStream(java.io.OutputStream)"><!-- --></A><H3>
211createOutputStream</H3>
212<PRE>
213<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress">CompressionOutputStream</A> <B>createOutputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;out)
214                                           throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
215<DL>
216<DD>Create a <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress"><CODE>CompressionOutputStream</CODE></A> that will write to the given
217 <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A>.
218<P>
219<DD><DL>
220<DT><B>Parameters:</B><DD><CODE>out</CODE> - the location for the final output stream
221<DT><B>Returns:</B><DD>a stream the user can write uncompressed data to have it compressed
222<DT><B>Throws:</B>
223<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
224</DD>
225</DL>
226<HR>
227
228<A NAME="createOutputStream(java.io.OutputStream, org.apache.hadoop.io.compress.Compressor)"><!-- --></A><H3>
229createOutputStream</H3>
230<PRE>
231<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress">CompressionOutputStream</A> <B>createOutputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>&nbsp;out,
232                                           <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress">Compressor</A>&nbsp;compressor)
233                                           throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
234<DL>
235<DD>Create a <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionOutputStream.html" title="class in org.apache.hadoop.io.compress"><CODE>CompressionOutputStream</CODE></A> that will write to the given
236 <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A> with the given <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Compressor</CODE></A>.
237<P>
238<DD><DL>
239<DT><B>Parameters:</B><DD><CODE>out</CODE> - the location for the final output stream<DD><CODE>compressor</CODE> - compressor to use
240<DT><B>Returns:</B><DD>a stream the user can write uncompressed data to have it compressed
241<DT><B>Throws:</B>
242<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
243</DD>
244</DL>
245<HR>
246
247<A NAME="getCompressorType()"><!-- --></A><H3>
248getCompressorType</H3>
249<PRE>
250<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress">Compressor</A>&gt; <B>getCompressorType</B>()</PRE>
251<DL>
252<DD>Get the type of <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Compressor</CODE></A> needed by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.
253<P>
254<DD><DL>
255
256<DT><B>Returns:</B><DD>the type of compressor needed by this codec.</DL>
257</DD>
258</DL>
259<HR>
260
261<A NAME="createCompressor()"><!-- --></A><H3>
262createCompressor</H3>
263<PRE>
264<A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress">Compressor</A> <B>createCompressor</B>()</PRE>
265<DL>
266<DD>Create a new <A HREF="../../../../../org/apache/hadoop/io/compress/Compressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Compressor</CODE></A> for use by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.
267<P>
268<DD><DL>
269
270<DT><B>Returns:</B><DD>a new compressor for use by this codec</DL>
271</DD>
272</DL>
273<HR>
274
275<A NAME="createInputStream(java.io.InputStream)"><!-- --></A><H3>
276createInputStream</H3>
277<PRE>
278<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress">CompressionInputStream</A> <B>createInputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in)
279                                         throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
280<DL>
281<DD>Create a stream decompressor that will read from the given input stream.
282<P>
283<DD><DL>
284<DT><B>Parameters:</B><DD><CODE>in</CODE> - the stream to read compressed bytes from
285<DT><B>Returns:</B><DD>a stream to read uncompressed bytes from
286<DT><B>Throws:</B>
287<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
288</DD>
289</DL>
290<HR>
291
292<A NAME="createInputStream(java.io.InputStream, org.apache.hadoop.io.compress.Decompressor)"><!-- --></A><H3>
293createInputStream</H3>
294<PRE>
295<A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress">CompressionInputStream</A> <B>createInputStream</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>&nbsp;in,
296                                         <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&nbsp;decompressor)
297                                         throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
298<DL>
299<DD>Create a <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionInputStream.html" title="class in org.apache.hadoop.io.compress"><CODE>CompressionInputStream</CODE></A> that will read from the given
300 <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><CODE>InputStream</CODE></A> with the given <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Decompressor</CODE></A>.
301<P>
302<DD><DL>
303<DT><B>Parameters:</B><DD><CODE>in</CODE> - the stream to read compressed bytes from<DD><CODE>decompressor</CODE> - decompressor to use
304<DT><B>Returns:</B><DD>a stream to read uncompressed bytes from
305<DT><B>Throws:</B>
306<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE></DL>
307</DD>
308</DL>
309<HR>
310
311<A NAME="getDecompressorType()"><!-- --></A><H3>
312getDecompressorType</H3>
313<PRE>
314<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;? extends <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A>&gt; <B>getDecompressorType</B>()</PRE>
315<DL>
316<DD>Get the type of <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Decompressor</CODE></A> needed by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.
317<P>
318<DD><DL>
319
320<DT><B>Returns:</B><DD>the type of decompressor needed by this codec.</DL>
321</DD>
322</DL>
323<HR>
324
325<A NAME="createDecompressor()"><!-- --></A><H3>
326createDecompressor</H3>
327<PRE>
328<A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress">Decompressor</A> <B>createDecompressor</B>()</PRE>
329<DL>
330<DD>Create a new <A HREF="../../../../../org/apache/hadoop/io/compress/Decompressor.html" title="interface in org.apache.hadoop.io.compress"><CODE>Decompressor</CODE></A> for use by this <A HREF="../../../../../org/apache/hadoop/io/compress/CompressionCodec.html" title="interface in org.apache.hadoop.io.compress"><CODE>CompressionCodec</CODE></A>.
331<P>
332<DD><DL>
333
334<DT><B>Returns:</B><DD>a new decompressor for use by this codec</DL>
335</DD>
336</DL>
337<HR>
338
339<A NAME="getDefaultExtension()"><!-- --></A><H3>
340getDefaultExtension</H3>
341<PRE>
342<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>getDefaultExtension</B>()</PRE>
343<DL>
344<DD>Get the default filename extension for this kind of compression.
345<P>
346<DD><DL>
347
348<DT><B>Returns:</B><DD>the extension including the '.'</DL>
349</DD>
350</DL>
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