arcutils.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<A NAME="ARCUtils()"><!-- --></A><H3>
ARCUtils</H3>
<PRE>
public <B>ARCUtils</B>()</PRE>
<DL>
</DL>

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<B>Method Detail</B></FONT></TH>
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<A NAME="parseArcFilename(java.lang.String)"><!-- --></A><H3>
parseArcFilename</H3>
<PRE>
public static java.lang.String <B>parseArcFilename</B>(java.lang.String&nbsp;pathOrUri)
                                         throws java.net.URISyntaxException</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>pathOrUri</CODE> - Path or URI to extract arc filename from.
<DT><B>Returns:</B><DD>Extracted arc file name.
<DT><B>Throws:</B>
<DD><CODE>java.net.URISyntaxException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="isCompressed(java.io.File)"><!-- --></A><H3>
isCompressed</H3>
<PRE>
public static boolean <B>isCompressed</B>(java.io.File&nbsp;arcFile)
                            throws java.io.IOException</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arcFile</CODE> - File to test.
<DT><B>Returns:</B><DD>True if <code>arcFile</code> is compressed ARC.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="testCompressedARCFile(java.io.File)"><!-- --></A><H3>
testCompressedARCFile</H3>
<PRE>
public static boolean <B>testCompressedARCFile</B>(java.io.File&nbsp;arcFile)
                                     throws java.io.IOException</PRE>
<DL>
<DD>Check file is compressed and in ARC GZIP format.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arcFile</CODE> - File to test if its Internet Archive ARC file
 GZIP compressed.
<DT><B>Returns:</B><DD>True if this is an Internet Archive GZIP'd ARC file (It begins
 w/ the Internet Archive GZIP header and has the
 COMPRESSED_ARC_FILE_EXTENSION suffix).
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If file does not exist or is not unreadable.</DL>
</DD>
</DL>
<HR>

<A NAME="testCompressedARCFile(java.io.File, boolean)"><!-- --></A><H3>
testCompressedARCFile</H3>
<PRE>
public static boolean <B>testCompressedARCFile</B>(java.io.File&nbsp;arcFile,
                                            boolean&nbsp;skipSuffixCheck)
                                     throws java.io.IOException</PRE>
<DL>
<DD>Check file is compressed and in ARC GZIP format.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arcFile</CODE> - File to test if its Internet Archive ARC file
 GZIP compressed.<DD><CODE>skipSuffixCheck</CODE> - Set to true if we're not to test on the
 '.arc.gz' suffix.
<DT><B>Returns:</B><DD>True if this is an Internet Archive GZIP'd ARC file (It begins
 w/ the Internet Archive GZIP header).
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If file does not exist or is not unreadable.</DL>
</DD>
</DL>
<HR>

<A NAME="testCompressedARCStream(java.io.InputStream)"><!-- --></A><H3>
testCompressedARCStream</H3>
<PRE>
public static boolean <B>testCompressedARCStream</B>(java.io.InputStream&nbsp;is)
                                       throws java.io.IOException</PRE>
<DL>
<DD>Tests passed stream is gzip stream by reading in the HEAD.
 Does not reposition the stream.  That is left up to the caller.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>is</CODE> - An InputStream.
<DT><B>Returns:</B><DD>True if compressed stream.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="testCompressedRepositionalStream(it.unimi.dsi.fastutil.io.RepositionableStream)"><!-- --></A><H3>
testCompressedRepositionalStream</H3>
<PRE>
public static boolean <B>testCompressedRepositionalStream</B>(it.unimi.dsi.fastutil.io.RepositionableStream&nbsp;rs)
                                                throws java.io.IOException</PRE>
<DL>
<DD>Tests passed stream is gzip stream by reading in the HEAD.
 Does reposition of stream when done.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rs</CODE> - An InputStream that is Repositionable.
<DT><B>Returns:</B><DD>True if compressed stream.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="testCompressedStream(java.io.InputStream)"><!-- --></A><H3>
testCompressedStream</H3>
<PRE>
public static boolean <B>testCompressedStream</B>(java.io.InputStream&nbsp;is)
                                    throws java.io.IOException</PRE>
<DL>
<DD>Tests passed stream is gzip stream by reading in the HEAD.
 Does reposition of stream when done.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>is</CODE> - An InputStream.
<DT><B>Returns:</B><DD>True if compressed stream.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="testUncompressedARCFile(java.io.File)"><!-- --></A><H3>
testUncompressedARCFile</H3>
<PRE>
public static boolean <B>testUncompressedARCFile</B>(java.io.File&nbsp;arcFile)
                                       throws java.io.IOException</PRE>
<DL>
<DD>Check file is uncompressed ARC file.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arcFile</CODE> - File to test if its Internet Archive ARC file uncompressed.
<DT><B>Returns:</B><DD>True if this is an Internet Archive ARC file.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - If file does not exist or is not unreadable.</DL>
</DD>
</DL>
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