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<TITLE>Retrieving a Compressed File from a ZIP File
(Java Developers Almanac Example)
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<META CONTENT="Patrick Chan" NAME="AUTHOR">
<META CONTENT="Code Examples from The Java Developers Almanac 1.4" NAME="DESCRIPTION">
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<TD rowspan="3"><A HREF="/?l=ex"><IMG BORDER="0" ALIGN="BOTTOM" HSPACE="10" SRC="/egs/almanac14a.jpg"></A></TD><TD VALIGN="top"><font face="Times" size="6"><b>The Java Developers Almanac 1.4</b></font>
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<A HREF="../index.html">List of Packages</A>
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<B><A HREF="../java.util.zip/pkg.html">java.util.zip</A></B><font color="#666666" SIZE="-2">
[9 examples]
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<B><A HREF="../java.util.zip/pkg.html#ZIP">ZIP</A></B><font color="#666666" SIZE="-2">
[3 examples]
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<h3>
e455.
Retrieving a Compressed File from a ZIP File</h3>
This example reads a ZIP file and decompresses the first entry.
<pre>
try {
// Open the ZIP file
String inFilename = <font color="#0066ff"><i>"infile.zip"</i></font>;
ZipInputStream in = new ZipInputStream(new FileInputStream(inFilename));
// Get the first entry
ZipEntry entry = in.getNextEntry();
// Open the output file
String outFilename = <font color="#0066ff"><i>"o"</i></font>;
OutputStream out = new FileOutputStream(outFilename);
// Transfer bytes from the ZIP file to the output file
byte[] buf = new byte[<font color="#0066ff"><i>1024</i></font>];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
// Close the streams
out.close();
in.close();
} catch (IOException e) {
}
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Related Examples
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e453. <a class="eglink" href="CreateZip.html?l=rel">
Creating a ZIP File
</a>
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e454. <a class="eglink" href="ListZip.html?l=rel">
Listing the Contents of a ZIP File
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See also:
<a class="eglink" href="/egs/java.util.zip/pkg.html?l=rel#Checksums">
Checksums
</a>
<a class="eglink" href="/egs/java.util.zip/pkg.html?l=rel#GZIP">
GZIP
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© 2002 Addison-Wesley.
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