ad2a4e950d
better. git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@116187 13f79535-47bb-0310-9956-ffa450edef68
134 lines
6.0 KiB
XML
134 lines
6.0 KiB
XML
<?xml version="1.0"?>
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<!--
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/*
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* Copyright 2001-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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-->
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<document>
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<properties>
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<title>Maven Eclipse Plugin</title>
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<author email="vmassol@octo.com">Vincent Massol</author>
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<author email="dion@apache.org">dIon Gillard</author>
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</properties>
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<body>
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<section name="Maven Eclipse Plugin">
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<p>
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This plug-in provides the ability to generate Eclipse project files
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(<code>.classpath</code> and <code>.project</code> files), as well as
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configure Eclipse to use Maven as an <i>External Tool</i>.
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</p>
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<p>
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For more information on the functionality provided by this plugin,
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please see the <a href="goals.html">Goals</a> document.
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</p>
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<p>
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For more information on how to customise the functionality provided
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by this plugin, please see the <a href="properties.html">properties</a>
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document.
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</p>
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</section>
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<section name="Defining dependencies as eclipse projects">
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<p>
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The dependencies defined in the POM need not to be jars strictly. They can
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be projects in the eclipse workspace. If a dependency is an eclipse project
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a property needs to be added to that dependency to indicate so.
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</p>
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<source><![CDATA[
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<dependency>
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<groupId>group</groupId>
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<artifactId>artifact</artifactId>
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<version>version</version>
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<properties>
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<eclipse.dependency>true</eclipse.dependency>
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</properties>
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</dependency>
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]]></source>
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<p>
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This indicates that the dependency is another project in the workspace.
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Note that the name of the referenced project is the artifactId.
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</p>
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<p>
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The inverse also works. If you have included extra jars that shouldn't be
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in the eclipse classpath then you can set <code>eclipse.dependency=false</code>
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</p>
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</section>
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<section name="Source Code Integration w/ Eclipse">
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<subsection name="Artifact Sources">
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<p>
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Frequently you will want to include for compiled jars the source .java files to help
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with debugging.
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</p>
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<p>
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The plugin will check if the file specified is located in <code>MAVEN_REPO/${groupId}/src/</code> directory
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and ending in <code>maven.eclipse.src.extension</code> exists and will add it as a source attachment.
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Using default values the dependency <code>MAVEN_REPO/eclipse/<em>jars</em>/eclipse-ui-3.0.0.<em>jar</em></code>
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will be mapped to <code>MAVEN_REPO/eclipse/<em>src</em>/eclipse-ui-3.0.0.<em>zip</em></code>
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</p>
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<p>
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While this implementation isn't the perfect solution, for example no downloading of
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source .zip files, it is a minimal solution that will work now. Future versions
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of Maven will have more sophisticated solutions for dealing with source code. There is
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no guarantee that this implementation will remain in later versions of Maven and this
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plugin.
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</p>
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</subsection>
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<subsection name="Generated Source Code">
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<p>
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When Eclipse is not generating source code for you there is a conflict between
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Maven generating the source code and then Eclipse treating it as compiled code.
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Typically when generating code using Maven the code ends up in the target/classes
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directory. This is fine as long as Maven is doing the build. However, if Eclipse
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is then setup to do the build, when Eclipse performs a clean build all the generated
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code in target/classes will be removed.
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</p>
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<p>
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The alternatives typically are to place the generated code in the /src/java directory
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and allow Maven and Eclipse to treat it the same. However, this leads to a tendency
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to check generated code into source control, which typically is not appropriate for
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generated code. Alternatively, it can be placed in some sort of /src/generated or
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target/generated directory. In Maven2, generated code lives in target/generated-sources,
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in a manner similiar to generated xdoc's live in target/generated-xdocs. Within the
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target/generated-sources would be each type of generated code.
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</p>
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<p>
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By default, the plugin will load as seperate source folders any directory found in
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<code>${maven.build.dir}/generated-sources</code>. So, if you generate your mock objects into
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<code>${maven.build.dir}/generated-sources/mocks</code> and your wsdl classes into
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<code>${maven.build.dir}/generated-sources/wsdl</code> then each of these directories will be mounted
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as source folders. Note: You must have already created these directories, otherwise the
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plugin won't know to add them as source folders. Before running <code>maven eclipse</code>
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just ensure you have already generated all of your source code.
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</p>
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<p>
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For example, if you used the XDoclet Plugin for Maven to generate Hibernate mapping files,
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they would be placed in <code>/target/generated-sources/xdoclet/</code>. While, if you used the
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Hibernate Plugin for Maven to generate the SQL scripts for generating a database then that
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would be placed in <code>/target/generated-sources/schema/</code>.
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<br/>
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Settings in project.properties:
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<source>
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maven.xdoclet.hibernatedoclet.destDir=${maven.build.dir}/generated-sources/xdoclet
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maven.hibernate.output.dir=${maven.build.dir}/generated-sources/schema
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</source>
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</p>
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</subsection>
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</section>
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</body>
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</document>
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