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常用maven打包配置记录

记录常用的一些maven打包配置。

  1. 打成jar包，并放入指定目录：

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    <build>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
                 <version>2.3.2</version>
                 <configuration>
                     <outputDirectory>${project.build.directory}/${project.artifactId}/</outputDirectory>
                 </configuration>
             </plugin>
         </plugins>
     </build>

  2. 将依赖包拷贝入指定文件夹：

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     <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-dependency-plugin</artifactId>
            <executions>
                <execution>
                    <id>copy-dependencies</id>
                    <phase>prepare-package</phase>
                    <goals>
                        <goal>copy-dependencies</goal>
                    </goals>
                    <configuration>
                        <outputDirectory>${project.build.directory}/${project.artifactId}/</outputDirectory>
                        <overWriteReleases>false</overWriteReleases>
                        <overWriteSnapshots>false</overWriteSnapshots>
                        <overWriteIfNewer>true</overWriteIfNewer>
                        <includeArtifactIds>*</includeArtifactIds>
                        <excludeArtifactIds>isuwang-soa-core</excludeArtifactIds>
                    </configuration>
                </execution>
            </executions>
    </plugin>

    这里<includeArtifactIds>表示要包括的包，<excludeAritifactIds>表示排除的包，冲突的情况下以<excludeArtifactIds>为准。

  3. 将资源文件移动到指定目录：

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    <artifactId>isuwang-soa-container</artifactId>
    <properties>
        <devName>${project.artifactId}</devName>
    </properties>
    <build>
        <resources>
            <resource>
                <filtering>true</filtering>
                <directory>${basedir}/src/main/command</directory>
                <includes>
                    <include>startup.sh</include>
                    <include>shutdown.sh</include>
                </includes>
                <targetPath>${project.build.directory}/${devName}/bin</targetPath>
            </resource>
            <resource>
                <filtering>true</filtering>
                <directory>${basedir}/src/main/resources</directory>
                <includes>
                    <include>containers.xml</include>
                    <include>logback.xml</include>
                    <include>filters-server.xml</include>
                </includes>
                <targetPath>${project.build.directory}/${devName}/conf</targetPath>
            </resource>
        </resources>
    </build>

  4. 创建空文件夹：

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    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-antrun-plugin</artifactId>
        <version>1.8</version>
        <executions>
            <execution>
                <id>create-empty-directory</id>
                <phase>process-classes</phase>
                <goals>
                    <goal>run</goal>
                </goals>
                <configuration>
                    <tasks>
                        <mkdir dir="${project.build.directory}/${devName}/apps"/>
                        <mkdir dir="${project.build.directory}/${devName}/logs"/>
                    </tasks>
                </configuration>
            </execution>
        </executions>
    </plugin>

    因为maven本身不具备创建空文件夹能力(打包的时候，如果是空文件夹会被忽略)，所以要用这个ant插件。

  5. 使用profile配置不同条件下打包：

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    <profiles>
        <profile>
            <id>default</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
        </profile>

        <profile>
            <id>dev</id>
            <activation>
                <activeByDefault>false</activeByDefault>
            </activation>

            <build>
            ...
            </build>
        </profile>
    </profiles>

    打包时clean install默认使用default,但如果用clean install -Pdev加入参数，就使用dev下的配置。

  6. 打包源文件

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       <plugin>
    	<groupId>org.apache.maven.plugins</groupId>
    	<artifactId>maven-source-plugin</artifactId>
    	<version>2.4</version>
    	<executions>
    		<execution>
    			<id>attach-sources</id>
    			<phase>verify</phase>
    			<goals>
    				<goal>jar-no-fork</goal>
    			</goals>
    		</execution>
    	</executions>
    </plugin>

  7. 编译scala

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      <plugin>
    	<groupId>net.alchim31.maven</groupId>
    	<artifactId>scala-maven-plugin</artifactId>
    	<version>3.2.0</version>
    	<executions>
    		<execution>
    			<id>scala-compile-first</id>
    			<phase>process-resources</phase>
    			<goals>
    				<goal>add-source</goal>
    				<goal>compile</goal>
    			</goals>
    		</execution>
    		<execution>
    			<id>scala-test-compile</id>
    			<phase>process-test-resources</phase>
    			<goals>
    				<goal>testCompile</goal>
    			</goals>
    		</execution>
    	</executions>
    	<configuration>
    		<scalaVersion>${scala.version}</scalaVersion>
    	</configuration>
    </plugin>

    不这样做install的时候，java代码可能提示找不到scala的包

  8. 指定多个源文件目录

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      <plugin>
    	<groupId>org.codehaus.mojo</groupId>
    	<artifactId>build-helper-maven-plugin</artifactId>
    	<version>1.4</version>
    	<executions>
    		<execution>
    			<id>add-source</id>
    			<phase>generate-sources</phase>
    			<goals>
    				<goal>add-source</goal>
    			</goals>
    			<configuration>
    				<sources>
    					<source>${basedir}/src/main/java</source>
    					<source>${basedir}/src/main/scala</source>
    				</sources>
    			</configuration>
    		</execution>
    		<execution>
    			<id>add-test-source</id>
    			<phase>generate-sources</phase>
    			<goals>
    				<goal>add-test-source</goal>
    			</goals>
    			<configuration>
    				<sources>
    					<source>src/test/java</source>
    				</sources>
    			</configuration>
    		</execution>
    	</executions>
    </plugin>

    Maven默认只允许指定一个主Java代码目录和一个测试Java代码目录，虽然这其实是个应当尽量遵守的约定，但偶尔你还是会希望能够指定多个源码目录（例如为了应对遗留项目），build-helper-maven-plugin的add-source目标就是服务于这个目的，通常它被绑定到默认生命周期的generate-sources阶段以添加额外的源码目录。需要强调的是，这种做法还是不推荐的，因为它破坏了 Maven的约定，而且可能会遇到其他严格遵守约定的插件工具无法正确识别额外的源码目录。

  9. 将依赖打入jar包，并指明可执行入口类：

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      <plugin>
    	<artifactId>maven-assembly-plugin</artifactId>
    	<configuration>
    		<descriptorRefs>
    			<descriptorRef>jar-with-dependencies</descriptorRef>
    		</descriptorRefs>
    		<archive>
    			<manifest>
    				<addClasspath>true</addClasspath>
    				<classpathPrefix></classpathPrefix>
    				<mainClass>com.isuwang.soa.code.Scrooge</mainClass>
    			</manifest>
    		</archive>
    	</configuration>
    	<executions>
    		<execution>
    			<id>make-assembly</id>
    			<phase>package</phase>
    			<goals>
    				<goal>single</goal>
    			</goals>
    		</execution>
    	</executions>
    </plugin>
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