Question

我愿有一个马文目标,促使执行一个 j马类。 Im试图通过Makefile迁移,行文如下:

neotest:
    mvn exec:java -Dexec.mainClass="org.dhappy.test.NeoTraverse"

我愿mvn Newtest ,以制作make Newtest is present.

http://mojo.codehaus.org/exec-maven-plugin/usage.html Maven 任务:网页有任何形式的直截了当。

目前:

<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>exec-maven-plugin</artifactId>
  <version>1.1</version>
  <executions><execution>
    <goals><goal>java</goal></goals>
  </execution></executions>
  <configuration>
    <mainClass>org.dhappy.test.NeoTraverse</mainClass>
  </configuration>
</plugin>

不过,我不知道如何触发从指挥线的原始.。

Answer 1

<>全球组合,你为前述-形式确定:

<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>exec-maven-plugin</artifactId>
  <version>1.4.0</version>
  <configuration>
    <mainClass>org.dhappy.test.NeoTraverse</mainClass>
  </configuration>
</plugin>

在指挥线上援引<代码>mvn exec:java时,将援引为执行<代码>org.dhappy.test而配置的原始图。 NeoTraverse。

因此,为了触发从指挥线上gin出的花gin:

mvn exec:java

现在,如果你想要执行<代码>exec:java <>/code>中的目标,作为你标准建设的一部分,你需要把目标约束在 default lifeillirix 。为此,请您在<条码>上对目标加以约束。内容:

<plugin>
  <groupId>org.codehaus.mojo</groupId>
  <artifactId>exec-maven-plugin</artifactId>
  <version>1.4</version>
  <executions>
    <execution>
      <id>my-execution</id>
      <phase>package</phase>
      <goals>
        <goal>java</goal>
      </goals>
    </execution>
  </executions>
  <configuration>
    <mainClass>org.dhappy.test.NeoTraverse</mainClass>
  </configuration>
</plugin>

举例来说,你的班级将在<编码> 包装/编码>阶段执行。这只是一个例子,它适应你们的需要。参考书1.1。

Answer 2

为了执行多个方案,我还需要一个<条码>明细表部分:

<profiles>
  <profile>
    <id>traverse</id>
    <activation>
      <property>
        <name>traverse</name>
      </property>
    </activation>
    <build>
      <plugins>
        <plugin>
          <groupId>org.codehaus.mojo</groupId>
          <artifactId>exec-maven-plugin</artifactId>
          <configuration>
            <executable>java</executable>
            <arguments>
              <argument>-classpath</argument>
              <argument>org.dhappy.test.NeoTraverse</argument>
            </arguments>
          </configuration>
        </plugin>
      </plugins>
    </build>
  </profile>
</profiles>

因此,可以起诉:

mvn exec:exec -Ptraverse

Answer 3

Better use maven-antrun-plugin. It allows to call what you want using more flexible way. If you need to get it (tool and all required dependencies) appeared in class path just add it as plugin dependencies. Such dependencies will not be picked up during final jar building (if you build it). They are added to maven.plugin.classpath for plugin execution only. I remember that we have some troubles with maven-exec plugin. It was able to find only dependencies added as dependencies for whole pom file and didn t want to use plugin s runtime dependencies (something like that). Anyway stop talking let s go through the example below:

<artifactId>maven-antrun-plugin</artifactId>
<dependencies>
    <dependency>
        <groupId>x.y.z.codegen</groupId>
        <artifactId>Generator-Project</artifactId>
        <version>${generator.project.version}</version>
    </dependency>
</dependencies>
<executions>
    <execution>
        <id>Code generation</id>
        <phase>generate-sources</phase>
        <configuration>
            <target>
                <parallel threadsPerProcessor="2">
                    <java classname="x.y.z.codegen.ObjectModelCodeGenerator" fork="true" failonerror="true">
                        <classpath>
                            <path refid="maven.plugin.classpath"/>
                        </classpath>
                        <jvmarg value="-Duser.dir=${generator.root}"/>
                        <arg value="arg1"/>
                        <arg value="arg2"/>
                        <arg value="arg3"/>
                    </java>
                    <java classname="x.y.z.codegen.ObjectModelCodeGenerator" fork="true" failonerror="true">
                        <classpath>
                            <path refid="maven.plugin.classpath"/>
                        </classpath>
                        <jvmarg value="-Duser.dir=${generator.root}"/>
                        <arg value="arg1"/>
                        <arg value="arg2"/>
                        <arg value="arg3"/>
                    </java>
                </parallel>
            </target>
        </configuration>
        <goals>
            <goal>run</goal>
        </goals>
    </execution>
  </executions>

P.s. You can see that I use parallel execution here. It can be done if your tool can be called in parallel. Such possibility exists for maven-antrun-plugin 1.8 but was lot for much recent versions. Means that parallel execution doesn t happen.

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