java maven 将本地类目录添加到模块的类路径
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maven add a local classes directory to module's classpath
提问by Eldad Assis
I know this is a bit out of maven's scope, but I need to add a local directory with compiled classes to the module's classpath. I saw: Maven: add a folder or jar file into current classpath, but this is good for a jar only.
我知道这有点超出了 maven 的范围，但是我需要将一个包含编译类的本地目录添加到模块的类路径中。我看到：Maven: add a folder or jar file into current classpath，但这仅适用于 jar。
I need to have a similar solution but with compiled classes in a directory on local file system. Is this even possible?
我需要一个类似的解决方案，但在本地文件系统的目录中编译类。这甚至可能吗？
Thx!
谢谢！
采纳答案by Eldad Assis
After some extensive research, I found that my best option was to use the maven-antrun-plugin and during the process-resources phase, generate a jar from the classes and add it as dependency with system scope and systemPath to the jar I just built.
经过一些广泛的研究，我发现我最好的选择是使用 maven-antrun-plugin 并在 process-resources 阶段，从类生成一个 jar 并将其作为依赖项添加到我刚刚构建的 jar 中，具有系统范围和 systemPath .
Pom snippets:
Pom 片段：
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.6</version>
<executions>
<execution>
<phase>process-resources</phase>
<goals>
<goal>run</goal>
</goals>
<configuration>
<target name="mpower.jar">
<taskdef resource="net/sf/antcontrib/antcontrib.properties" classpath="${env.USERPROFILE}\.m2\repository\ant-contrib\ant-contrib.0b3\ant-contrib-1.0b3.jar"/>
<if>
<available file="${classes.dir}" type="dir"/>
<then>
<jar destfile="${env.TEMP}\classes.jar">
<fileset dir="${classes.dir}\classes">
<include name="**/**"/>
</fileset>
</jar>
</then>
<else>
<fail message="${classes.dir} not found. Skipping jar creation"/>
</else>
</if>
</target>
</configuration>
</execution>
</executions>
....
....
<dependency>
<groupId>ant-contrib</groupId>
<artifactId>ant-contrib</artifactId>
<version>1.0b3</version>
</dependency>
<dependency>
<groupId>com.my.code</groupId>
<artifactId>classes.jar</artifactId>
<version>1.1</version>
<scope>system</scope>
<systemPath>${env.TEMP}\classes.jar</systemPath>
</dependency>
