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Maven basic concept
- 1. Maven
- 2. Outline • POM • Dependency • Life cycle • Plugin • Profile • SCM
- 3. Maven • Dependency Management • Remote Repositories • Universal Reuse of Build Logic • Tool Portablility/Integration • Easy Searching and Filtering of Project Artifact
- 4. Project Object Model (POM) <project> <modelVersion>4.0.0</modelVersion> <groupId>com.estinet</groupId> <artifactId>controller</artifactId> <version>1.0.0</version> </project> •groupId •Group identifier •Java package name •arti •project main identifier
- 5. Effective POM • mvn help:effective-pom • de Super POM com.estinet.controller bod 1.0-SNAPSHOT com.estinet.switch broadcom 1.0-SNAPSHOT
- 6. Project Inheritance • dependencies • developers and contributors • plugin lists (including reports) • plugin executions with matching ids • plugin configuration • resources
- 8. SNAPSHOT Version • Expand SNAPSHOT to UTC date and time • e.g., – 1.0-SNAPSHOT – 1.0-20160616-150000-1
- 9. Properties • env – exposed by OS ${evn.PATH} • project – project variable, defined in POM ${project.groupId} • setting – setting variable – ./.m2/setting.xml ${setting.offline}
- 11. Dependency Scope • compile – default • provided – required on compilation, but not for execution – provided by JDK or other container • runtime – required for execution and test • test – for test only • system – like provided – must supply systemPath
- 12. Grouping Dependencies <project> <groupId>com.estinet.controller</groupId> <artifactId>controller-dependencies</artifactId> <version>1.0.0</version> <packaging>POM<packaging> <dependencies> <dependency> <groupId>org.codehaus.xfire</groupId> <artifactId>xfire-java5</artifactId> <version>1.2.5</version> </dependency> <dependency> ... </dependency> </dependencies> </project> install POM to your local repository (~/.m2) mvn install
- 15. Maven Usages usage: mvn [options] [<goal(s)>] [<phase(s)>]
- 16. Lifecycle lifecycle description clean clean the build directory default complie, test, package, deploy site report, document
- 17. Clean Lifecycle Phase pre-clean clean post-clean command description mvn clean execute the clean lifecycle including pre-clean, clean, post-clean mvn clean:clean execute the clean phase of the clean lifecycle
- 18. Default Lifecycle Phase Phase validate test generate-sources prepare-package process-sources package generate-resources pre-integration-test process-resources verify compile install generate-test-sources deploy process-test-sources generate-test-resources process-test-resources test-compile
- 19. Default Lifecycle command description mvn validate execute validate phase mvn compile execute from validate phase to compile phase mvn test execute from validate phase to test phase mvn install execute fomr validate phase to install phase
- 20. Package-specific Lifecycle (JAR) Lifecycle Phase Goal <pluging>:<goal> process-resource resources:resources compile compiler:compile process-test-resources resources:testResources test-compile compiler:testCompile test surefire:test package jar:jar install install:install deploy deploy:deploy
- 21. Package-specific Lifecycle (POM) Lifecycle Phase Goal <pluging>:<goal> package site:attach-descriptor install install:install deploy deploy:deploy
- 22. Test • Run as JUNIT test • Variables – testSourceDirectory • src/test/java – testOutputdirectory • target/test-classes – result • target/surefire-reports • Includsion – Java filenames that start with "Test" • **/Test*.java – Java filenames that end with "Test" • **/*Test.java – Java filenames that end with "TestCase" • **/*TestCase.java
- 23. Test mvn -Dtest=TestCircle test run test on TestCircle class mvn -Dtest=TestSquare,TestCi*le test run multiple names/patterns, separated by commas mvn -Dtest=TestCircle#mytest test mvn -Dtest=TestCircle#test* test mvn -Dtest=TestCircle#testOne+testTwo test run test on multiple methods mvn install -Dmaven.test.skip=true skip test
- 24. Package-specific Lifecycle (Maven Plugin) Lifecycle Phase Goal <pluging>:<goal> generate-resource plugin:descriptor process-resources resources:resources compile compiler:compile process-test-resource resources:testResources test-compile compile:testCompile test surefire:test package jar:jar, plugin:addPluginArtifactMetaData deploy deploy:deploy
- 25. Process Resource copy from ${basedir}/src/main/resource to ${project.build.outputDirector} (${basedir}/target/classes by default)
- 28. Plugin <project> ... <build> <pluginManagement> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.5</source> <target>1.5</target> </configuration> </plugin> </plugins> </pluginManagement> </build> </project> Configure variable used by plugin "Maven" is really just a core framework for a collection of Maven Plugins
- 31. Profile • Per Project – pom.xml • Per User – %USER_HOME%/.m2/settings.xml • Global – %M2_HOME%/config/settings.xml mvn groupId:artifactId:goal -P profile-1,profile-2
- 32. Profile for Development <profile> <id>development</id> <properties> <db.driverClass>oracle.jdbc.driver.OracleDriver</db.driverClass> <db.connectionURL>jdbc:oracle:thin:@127.0.0.1:1521:XE</db.connectionURL> <db.username>devuser</db.username> <db.password>devpassword</db.password> <logo.image>mylogo.png</logo.image> </properties> </profile> mvn groupId:artifactId:goal -P development
- 33. Profile for Production <profile> <id>production</id> <properties> <db.driverClass>oracle.jdbc.driver.OracleDriver</db.driverClass> <db.connectionURL>jdbc:oracle:thin:@10.0.1.14:1521:APPS</db.connectionURL> <db.username>productionuser</db.username> <db.password>productionpassword</db.password> <logo.image>production_logo.png</logo.image> </properties> </profile> mvn groupId:artifactId:goal -P production
- 34. Resource Filtering <resources> <resource> <directory>src/main/resources</directory> <filtering>true</filtering> </resource> </resources> Enable resource filtering in specific directory maven variable in files in the specific directory will be replaced <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-resources-plugin</artifactId> <version>2.3</version> <configuration> <encoding>UTF-8</encoding> </configuration> </plugin> add plugin configure resource filtering
- 37. Source Code Management (SCM) Use SCM to update and checkin code <project> ... <scm> <connection>scm:svn:http://somerepository.com/svn_repo/trunk</connection> <developerConnection>scm:svn:https://somerepository.com/svn_repo/trunk</developerConnection> <url>http://somerepository.com/view.cvs</url> </scm> ... </project> mvn -Dmessage="<commit_log_here>" scm:checkin mvn scm:update check in code update
- 38. Name Value -Dmaven.test.skip=true skip test -o work offline, skip download pom -P <args> configurate active profile -X enable debug output -q quiet output, only show errors -npu no pluging updates help:active-profiles help:effective-pom output effective pom help:effective-setting output effective setting help:describe describe plugin, mvn help:describe -Dplugin=help