[14982] | 1 | <!--
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| 2 | Licensed to the Apache Software Foundation (ASF) under one or more
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| 3 | contributor license agreements. See the NOTICE file distributed with
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| 5 | The ASF licenses this file to You under the Apache License, Version 2.0
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| 6 | (the "License"); you may not use this file except in compliance with
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| 9 | http://www.apache.org/licenses/LICENSE-2.0
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| 11 | Unless required by applicable law or agreed to in writing, software
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| 12 | distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 17 | <html>
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| 18 |
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| 19 | <head>
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| 20 | <meta http-equiv="Content-Language" content="en-us">
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| 21 | <link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
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| 22 | <title>jarlib-resolve Task</title>
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| 23 | </head>
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| 24 |
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| 25 | <body>
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| 26 |
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| 27 | <h2><a name="jarlib-resolve">jarlib-resolve</a></h2>
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| 28 | <h3>Description</h3>
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| 29 | <p>Try to locate a jar to satisfy an extension and place
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| 30 | location of jar into property. The task allows you to
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| 31 | add a number of resolvers that are capable of locating a
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| 32 | library for a specific extension. Each resolver will be attempted
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| 33 | in specified order until library is found or no resolvers are left.
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| 34 | If no resolvers are left and failOnError is true then a BuildException
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| 35 | will be thrown.</p>
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| 36 |
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| 37 | <p>Note that this task
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| 38 | works with extensions as defined by the "Optional Package" specification.
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| 39 | For more information about optional packages, see the document
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| 40 | <em>Optional Package Versioning</em> in the documentation bundle for your
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| 41 | Java2 Standard Edition package, in file
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| 42 | <code>guide/extensions/versioning.html</code> or online at
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| 43 | <a href="http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html">
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| 44 | http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html</a>.</p>
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| 45 | <p>See the Extension and ExtensionSet documentation for further details</p>
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| 46 |
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| 47 | <h3>Parameters</h3>
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| 48 | <table border="1" cellpadding="2" cellspacing="0">
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| 49 | <tr>
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| 50 | <td valign="top"><b>Attribute</b></td>
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| 51 | <td valign="top"><b>Description</b></td>
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| 52 | <td align="center" valign="top"><b>Required</b></td>
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| 53 | </tr>
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| 54 | <tr>
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| 55 | <td valign="top">property</td>
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| 56 | <td valign="top">The name of property to set to library location.</td>
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| 57 | <td valign="top" align="center">Yes</td>
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| 58 | </tr>
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| 59 | <tr>
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| 60 | <td valign="top">failOnError</td>
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| 61 | <td valign="top">True if failure to locate library should result in build exception.</td>
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| 62 | <td valign="top" align="center">No, defaults to true.</td>
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| 63 | </tr>
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| 64 | <tr>
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| 65 | <td valign="top">checkExtension</td>
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| 66 | <td valign="top">True if libraries returned by nested resolvers should be checked to see if
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| 67 | they supply extension.</td>
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| 68 | <td valign="top" align="center">No, defaults to true.</td>
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| 69 | </tr>
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| 70 | </table>
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| 71 | <h3>Parameters specified as nested elements</h3>
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| 72 |
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| 73 | <h4>extension</h4>
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| 74 | <p><a href="../OptionalTypes/extension.html">Extension</a> the extension
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| 75 | to resolve. Must be present</p>
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| 76 |
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| 77 | <h4>location</h4>
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| 78 | <p>The location sub element allows you to look for a library in a
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| 79 | location relative to project directory.</p>
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| 80 | <table border="1" cellpadding="2" cellspacing="0">
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| 81 | <tr>
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| 82 | <td valign="top"><b>Attribute</b></td>
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| 83 | <td valign="top"><b>Description</b></td>
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| 84 | <td align="center" valign="top"><b>Required</b></td>
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| 85 | </tr>
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| 86 | <tr>
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| 87 | <td valign="top">location</td>
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| 88 | <td valign="top">The pathname of library.</td>
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| 89 | <td valign="top" align="center">Yes</td>
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| 90 | </tr>
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| 91 | </table>
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| 92 |
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| 93 | <h4>url</h4>
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| 94 | <p>The url resolver allows you to download a library from a URL to a
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| 95 | local file.</p>
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| 96 | <table border="1" cellpadding="2" cellspacing="0">
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| 97 | <tr>
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| 98 | <td valign="top"><b>Attribute</b></td>
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| 99 | <td valign="top"><b>Description</b></td>
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| 100 | <td align="center" valign="top"><b>Required</b></td>
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| 101 | </tr>
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| 102 | <tr>
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| 103 | <td valign="top">url</td>
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| 104 | <td valign="top">The URL to download.</td>
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| 105 | <td valign="top" align="center">Yes</td>
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| 106 | </tr>
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| 107 | <tr>
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| 108 | <td valign="top">destfile</td>
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| 109 | <td valign="top">The file to download URL into.</td>
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| 110 | <td valign="top" align="center">No, But one of destfile or
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| 111 | destdir must be present</td>
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| 112 | </tr>
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| 113 | <tr>
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| 114 | <td valign="top">destdir</td>
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| 115 | <td valign="top">The directory in which to place downloaded file.</td>
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| 116 | <td valign="top" align="center">No, But one of destfile or
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| 117 | destdir must be present</td>
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| 118 | </tr>
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| 119 | </table>
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| 120 |
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| 121 | <h4>ant</h4>
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| 122 | <p>The ant resolver allows you to run a ant build file to generate a library.</p>
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| 123 | <table border="1" cellpadding="2" cellspacing="0">
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| 124 | <tr>
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| 125 | <td valign="top"><b>Attribute</b></td>
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| 126 | <td valign="top"><b>Description</b></td>
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| 127 | <td align="center" valign="top"><b>Required</b></td>
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| 128 | </tr>
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| 129 | <tr>
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| 130 | <td valign="top">antfile</td>
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| 131 | <td valign="top">The build file.</td>
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| 132 | <td valign="top" align="center">Yes</td>
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| 133 | </tr>
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| 134 | <tr>
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| 135 | <td valign="top">destfile</td>
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| 136 | <td valign="top">The file that the ant build creates.</td>
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| 137 | <td valign="top" align="center">Yes</td>
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| 138 | </tr>
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| 139 | <tr>
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| 140 | <td valign="top">target</td>
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| 141 | <td valign="top">The target to run in build file.</td>
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| 142 | <td valign="top" align="center">No</td>
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| 143 | </tr>
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| 144 | </table>
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| 145 |
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| 146 | <h3>Examples</h3>
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| 147 | <p><b>Resolve Extension to file.</b> If file does not exist or file
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| 148 | does not implement extension then throw an exception.</p>
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| 149 | <pre>
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| 150 | <extension id="dve.ext"
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| 151 | extensionName="org.realityforge.dve"
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| 152 | specificationVersion="1.2"
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| 153 | specificationVendor="Peter Donald"/>
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| 154 |
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| 155 | <jarlib-resolve property="dve.library">
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| 156 | <extension refid="dve.ext"/>
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| 157 | <location location="/opt/jars/dve.jar"/>
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| 158 | </jarlib-resolve>
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| 159 | </pre>
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| 160 |
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| 161 | <p><b>Resolve Extension to url.</b> If url does not exist or can not write
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| 162 | to destfile or files does not implement extension then throw an exception.</p>
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| 163 | <pre>
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| 164 | <extension id="dve.ext"
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| 165 | extensionName="org.realityforge.dve"
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| 166 | specificationVersion="1.2"
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| 167 | specificationVendor="Peter Donald"/>
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| 168 |
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| 169 | <jarlib-resolve property="dve.library">
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| 170 | <extension refid="dve.ext"/>
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| 171 | <url url="http://www.realityforge.net/jars/dve.jar" destfile="lib/dve.jar"/>
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| 172 | </jarlib-resolve>
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| 173 | </pre>
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| 174 |
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| 175 | <p><b>Resolve Extension to file produce by ant build.</b> If file does not get produced
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| 176 | or ant file is missing or build fails then throw an exception (Note does not check
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| 177 | that library implements extension).</p>
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| 178 | <pre>
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| 179 | <extension id="dve.ext"
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| 180 | extensionName="org.realityforge.dve"
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| 181 | specificationVersion="1.2"
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| 182 | specificationVendor="Peter Donald"/>
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| 183 |
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| 184 | <jarlib-resolve property="dve.library" checkExtension="false">
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| 185 | <extension refid="dve.ext"/>
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| 186 | <ant antfile="../dve/build.xml" target="main" destfile="lib/dve.jar"/>
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| 187 | </jarlib-resolve>
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| 188 | </pre>
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| 189 |
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| 190 | <p><b>Resolve Extension via multiple methods.</b> First check local file to see if it implements
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| 191 | extension. If it does not then try to build it from source in parallel directory. If that
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| 192 | fails then finally try to download it from a website. If all steps fail then throw a build
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| 193 | exception.</p>
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| 194 | <pre>
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| 195 | <extension id="dve.ext"
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| 196 | extensionName="org.realityforge.dve"
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| 197 | specificationVersion="1.2"
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| 198 | specificationVendor="Peter Donald"/>
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| 199 |
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| 200 | <jarlib-resolve property="dve.library">
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| 201 | <extension refid="dve.ext"/>
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| 202 | <location location="/opt/jars/dve.jar"/>
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| 203 | <ant antfile="../dve/build.xml" target="main" destfile="lib/dve.jar"/>
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| 204 | <url url="http://www.realityforge.net/jars/dve.jar" destfile="lib/dve.jar"/>
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| 205 | </jarlib-resolve>
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| 206 | </pre>
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| 207 |
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| 208 |
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| 209 |
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| 210 | </body>
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| 211 | </html>
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| 212 |
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