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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>ClassFileSet 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">ClassFileSet</a></h2>
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| 10 | <p>A classfileset is a specialised type of fileset which, given a set of
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| 11 | "root" classes, will include all of the class files upon which the
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| 12 | root classes depend. This is typically used to create a jar with all of the
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| 13 | required classes for a particular application.
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| 14 | </p>
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| 15 | <p>
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| 16 | classfilesets are typically used by reference. They are declared with an
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| 17 | "id" value and this is then used as a reference where a normal fileset
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| 18 | is expected.
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| 19 | </p>
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| 20 | <p>
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| 21 | This type requires the <code>jakarta-BCEL</code> library.
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| 22 | </p>
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| 23 |
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| 24 |
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| 25 | <h3>Attributes</h3>
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| 26 | <p>The class fileset support the following attributes in addition
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| 27 | to those supported by the
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| 28 | <a href="../CoreTypes/fileset.html">standard fileset</a>:
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| 29 | </p>
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| 30 |
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| 31 | <table border="1" cellpadding="2" cellspacing="0">
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| 32 | <tr>
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| 33 | <td valign="top"><b>Attribute</b></td>
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| 34 | <td valign="top"><b>Description</b></td>
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| 35 | <td align="center" valign="top"><b>Required</b></td>
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| 36 | </tr>
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| 37 | <tr>
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| 38 | <td valign="top">rootclass</td>
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| 39 | <td valign="top">A single root class name</td>
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| 40 | <td valign="top" align="center">No</td>
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| 41 | </tr>
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| 42 | </table>
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| 43 |
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| 44 | <h3>Nested Elements</h3>
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| 45 |
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| 46 | <h4>Root</h4>
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| 47 | <p>
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| 48 | When more than one root class is required, multiple nested <code><root></code> elements
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| 49 | may be used
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| 50 | </p>
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| 51 | <table border="1" cellpadding="2" cellspacing="0">
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| 52 | <tr>
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| 53 | <td valign="top"><b>Attribute</b></td>
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| 54 | <td valign="top"><b>Description</b></td>
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| 55 | <td align="center" valign="top"><b>Required</b></td>
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| 56 | </tr>
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| 57 | <tr>
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| 58 | <td valign="top">classname</td>
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| 59 | <td valign="top">The fully qualified name of the root class</td>
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| 60 | <td align="center" valign="top">Yes</td>
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| 61 | </tr>
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| 62 | </table>
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| 63 |
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| 64 | <h4>RootFileSet</h4>
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| 65 | <p>
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| 66 | A root fileset is used to add a set of root classes from a fileset. In this case the entries in
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| 67 | the fileset are expected to be Java class files. The name of the Java class is determined by the
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| 68 | relative location of the classfile in the fileset. So, the file
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| 69 | <code>org/apache/tools/ant/Project.class</code> corresponds to the Java class
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| 70 | <code>org.apache.tools.ant.Project</code>.</p>
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| 71 |
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| 72 | <h4>Examples</h4>
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| 73 | <blockquote><pre>
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| 74 | <classfileset id="reqdClasses" dir="${classes.dir}">
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| 75 | <root classname="org.apache.tools.ant.Project"/>
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| 76 | </classfileset>
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| 77 | </pre></blockquote>
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| 78 |
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| 79 | <p>This example creates a fileset containing all the class files upon which the
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| 80 | <code>org.apache.tools.ant.Project</code> class depends. This fileset could
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| 81 | then be used to create a jar.
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| 82 | </p>
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| 83 |
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| 84 | <blockquote><pre>
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| 85 | <jar destfile="minimal.jar">
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| 86 | <fileset refid="reqdClasses"/>
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| 87 | </jar>
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| 88 | </pre></blockquote>
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| 89 |
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| 90 | <blockquote><pre>
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| 91 | <classfileset id="reqdClasses" dir="${classes.dir}">
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| 92 | <rootfileset dir="${classes.dir}" includes="org/apache/tools/ant/Project*.class"/>
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| 93 | </classfileset>
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| 94 | </pre></blockquote>
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| 95 |
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| 96 | <p>This example constructs the classfileset using all the class with names starting with Project
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| 97 | in the org.apache.tools.ant package</p>
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| 98 |
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| 99 | <hr>
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| 100 | <p align="center">Copyright © 2002,2004 The Apache Software Foundation. All rights
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| 101 | Reserved.</p>
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| 102 |
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| 103 | </body>
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| 104 | </html>
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| 105 |
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