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63 lines
2.1 KiB
HTML
63 lines
2.1 KiB
HTML
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<link rel="stylesheet" type="text/css" href="../stylesheets/style.css">
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<title>Componentdef Task</title>
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</head>
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<body>
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<h2><a name="componentdef">componentdef</a></h2>
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<h3>Description</h3>
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<p>
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Adds a component definition to the current project.
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A compenent definition is the same as a
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<a href="typedef.html">typedef</a> except:
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</p>
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<ol>
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<li>
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that it can only be used in other types or tasks that
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accept components (by having an <i>add()</i> method).
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</li>
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<li>
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multiple components may have the same name, provided they
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implement different interfaces.
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</li>
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</ol>
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<p>
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The purpose of this is to allow internal Ant definitions to be
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made for tags like "and" or "or".
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</p>
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<h3>Examples</h3>
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<pre> <componentdef name="or" onerror="ignore"
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classname="com.apache.tools.ant.taskdefs.conditions.Or"/>
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<componentdef name="or" onerror="ignore"
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classname="com.apache.tools.ant.types.resources.selectors.Or"/></pre>
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<p>
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defines two components with the same name "or"; one is a condition
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(see <a href="conditions.html">conditions</a>) and one is
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a selector (see <a href="../CoreTypes/selectors.html">selectors</a>).
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</p>
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</body>
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</html>
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