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<TITLE>Creating 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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<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>
e453.
Creating a ZIP File</h3>
<pre>
// These are the files to include in the ZIP file
String[] filenames = new String[]{<font color="#0066ff"><i>"filename1"</i></font>, <font color="#0066ff"><i>"filename2"</i></font>};
// Create a buffer for reading the files
byte[] buf = new byte[<font color="#0066ff"><i>1024</i></font>];
try {
// Create the ZIP file
String outFilename = <font color="#0066ff"><i>"outfile.zip"</i></font>;
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outFilename));
// Compress the files
for (int i=0; i<filenames.length; i++) {
FileInputStream in = new FileInputStream(filenames[i]);
// Add ZIP entry to output stream.
out.putNextEntry(new ZipEntry(filenames[i]));
// Transfer bytes from the file to the ZIP file
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
// Complete the entry
out.closeEntry();
in.close();
}
// Complete the ZIP file
out.close();
} catch (IOException e) {
}
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Related Examples
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e454. <a class="eglink" href="ListZip.html?l=rel">
Listing the Contents of a ZIP File
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e455. <a class="eglink" href="GetZip.html?l=rel">
Retrieving a Compressed File from 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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