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| 2 | <head>
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| 3 | <meta http-equiv="Content-Language" content="en-us">
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| 4 | <title>Extension Type</title>
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| 5 | <link rel="stylesheet" type="text/css" href="../stylesheets/antmanual.css">
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| 6 | </head>
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| 7 |
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| 8 | <body>
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| 9 | <h2><a name="fileset">Extension</a></h2>
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| 10 | <p>Utility type that represents either an available "Optional Package"
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| 11 | (formerly known as "Standard Extension") as described in the manifest
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| 12 | of a JAR file, or the requirement for such an optional package.</p>
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| 13 | <p>Note that this type
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| 14 | works with extensions as defined by the "Optional Package" specification.
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| 15 | For more information about optional packages, see the document
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| 16 | <em>Optional Package Versioning</em> in the documentation bundle for your
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| 17 | Java2 Standard Edition package, in file
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| 18 | <code>guide/extensions/versioning.html</code> or online at
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| 19 | <a href="http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html">
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| 20 | http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html</a>.</p>
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| 21 |
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| 22 | <h3>Attributes</h3>
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| 23 | <p>The extension type supports the following attributes</a>:
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| 24 | </p>
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| 25 |
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| 26 | <table border="1" cellpadding="2" cellspacing="0">
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| 27 | <tr>
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| 28 | <td valign="top"><b>Attribute</b></td>
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| 29 | <td valign="top"><b>Description</b></td>
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| 30 | <td align="center" valign="top"><b>Required</b></td>
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| 31 | </tr>
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| 32 | <tr>
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| 33 | <td valign="top">extensionName</td>
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| 34 | <td valign="top">The name of extension</td>
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| 35 | <td valign="top" align="center">yes</td>
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| 36 | </tr>
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| 37 | <tr>
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| 38 | <td valign="top">specificationVersion</td>
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| 39 | <td valign="top">The version of extension specification (Must be in
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| 40 | dewey decimal aka dotted decimal notation. 3.2.4)</td>
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| 41 | <td valign="top" align="center">no</td>
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| 42 | </tr>
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| 43 | <tr>
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| 44 | <td valign="top">specificationVendor</td>
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| 45 | <td valign="top">The specification vendor</td>
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| 46 | <td valign="top" align="center">no</td>
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| 47 | </tr>
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| 48 | <tr>
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| 49 | <td valign="top">implementationVersion</td>
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| 50 | <td valign="top">The version of extension implementation (Must be in
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| 51 | dewey decimal aka dotted decimal notation. 3.2.4)</td>
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| 52 | <td valign="top" align="center">no</td>
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| 53 | </tr>
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| 54 | <tr>
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| 55 | <td valign="top">implementationVendor</td>
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| 56 | <td valign="top">The implementation vendor</td>
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| 57 | <td valign="top" align="center">no</td>
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| 58 | </tr>
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| 59 | <tr>
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| 60 | <td valign="top">implementationVendorId</td>
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| 61 | <td valign="top">The implementation vendor ID</td>
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| 62 | <td valign="top" align="center">no</td>
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| 63 | </tr>
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| 64 | <tr>
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| 65 | <td valign="top">implementationURL</td>
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| 66 | <td valign="top">The url from which to retrieve extension.</td>
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| 67 | <td valign="top" align="center">no</td>
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| 68 | </tr>
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| 69 | </table>
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| 70 |
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| 71 | <h4>Examples</h4>
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| 72 | <blockquote><pre>
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| 73 | <extension id="e1"
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| 74 | extensionName="MyExtensions"
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| 75 | specificationVersion="1.0"
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| 76 | specificationVendor="Peter Donald"
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| 77 | implementationVendorID="vv"
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| 78 | implementationVendor="Apache"
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| 79 | implementationVersion="2.0"
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| 80 | implementationURL="http://somewhere.com/myExt.jar"/>
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| 81 | </pre></blockquote>
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| 82 |
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| 83 | <p>Fully specific extension object.</p>
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| 84 |
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| 85 | <blockquote><pre>
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| 86 | <extension id="e1"
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| 87 | extensionName="MyExtensions"
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| 88 | specificationVersion="1.0"
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| 89 | specificationVendor="Peter Donald"/>
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| 90 | </pre></blockquote>
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| 91 |
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| 92 | <p>Extension object that just species the specification details.</p>
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| 93 |
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| 94 | <hr>
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| 95 | <p align="center">Copyright © 2002-2004 The Apache Software Foundation. All rights
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| 96 | Reserved.</p>
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| 97 |
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| 98 | </body>
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| 99 | </html>
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| 100 |
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