[英]m2e: Generated code with exec-maven-plugin
I have been using m2eclipse for 2 years or so and have now switched to m2e . 我已经使用m2eclipse 2年左右,现在已经切换到m2e 。
Unfortunately, this has broken some functionality for me. 不幸的是,这已经破坏了我的一些功能。
In many projects, I have generated Java code, usually generated through a main class in a library project. 在许多项目中,我生成了Java代码,通常是通过库项目中的主类生成的。 Here's a typical setup: 这是一个典型的设置:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<executions>
<execution>
<id>generateDTOs</id>
<phase>generate-sources</phase>
<goals>
<goal>java</goal>
</goals>
<configuration>
<classpathScope>test</classpathScope>
<mainClass>com.somecompany.SomeCodeGenerator</mainClass>
<arguments>
<argument>${project.build.directory}/generated-sources/foo</argument>
<argument>${project.basedir}/path/to/a/config/file</argument>
<argument>more arguments</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>build-helper-maven-plugin</artifactId>
<executions>
<execution>
<id>addDtoSourceFolder</id>
<goals>
<goal>add-source</goal>
</goals>
<phase>process-sources</phase>
<configuration>
<sources>
<source>${project.build.directory}/generated-sources/foo</source>
</sources>
</configuration>
</execution>
</executions>
</plugin>
Previously, I would just have to import that project with eclipse as a maven project, the code would automatically be executed and the source folder added to the eclipse project. 以前,我只需要将eclipse作为maven项目导入该项目,代码将自动执行并将源文件夹添加到eclipse项目中。
Now, m2e has installed a "connector" for the buildhelper plugin, so the source folder is created, but I have to manually trigger code generation by executing Run As > Maven > generate-sources
. 现在,m2e已经为buildhelper插件安装了一个“连接器”,因此创建了源文件夹,但我必须通过执行Run As > Maven > generate-sources
手动触发代码生成。 This is really annoying, I would like the maven build to respond to pom.xml changes, Project > Clean ...
, SVN Updates, Eclipse startup etc. as it previously did. 这真的很烦人,我希望maven构建能够响应pom.xml的更改, Project > Clean ...
,SVN Updates,Eclipse启动等,就像以前一样。
What can I do to make m2e work like m2eclipse? 我能做些什么让m2e像m2eclipse一样工作?
You have to tell M2E that it's okay to run your code generator as part of the Eclipse build: 你必须告诉M2E,可以将代码生成器作为Eclipse构建的一部分运行:
<project>
<build>
[...]
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence
on the Maven build itself. -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<versionRange>[,)</versionRange>
<goals>
<goal>java</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute/>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
Notes: 笔记:
In Eclipse you can define which life-cycle step will be run during an import which is by default empty. 在Eclipse中,您可以定义在导入期间将运行哪个生命周期步骤,默认为空。 You can simply change this to process-resources or do a simply Maven -> Update Project Configuration. 您只需将其更改为process-resources或简单地进行Maven - > Update Project Configuration。 In the configuration (Windows -> Preferences -> Maven) you can change the default behaviour to simplify your live. 在配置(Windows - > Preferences - > Maven)中,您可以更改默认行为以简化实时操作。
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