風(fēng)之語

            <dependencies>
            <dependency>
            <groupId>com.ibm.devworks</groupId>
            <artifactId>OpsImp</artifactId>
            <version>1.0-SNAPSHOT</version>
            </dependency>
            </dependencies>
            

            <dependencies>
            <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            </dependency>
            </dependencies>
            

            C:\>mvn -help
            usage: mvn [options] [<goal(s)>] [<phase(s)>]
            Options:
            -C,--strict-checksums         Fail the build if checksums don't match
            -c,--lax-checksums            Warn if checksums don't match
            -P,--activate-profiles        Comma-delimited list of profiles to
            activate
            -ff,--fail-fast               Stop at first failure in reactorized builds
            -fae,--fail-at-end            Only fail the build afterwards; allow all
            non-impacted builds to continue
            -B,--batch-mode               Run in non-interactive (batch) mode
            -fn,--fail-never              NEVER fail the build, regardless of project
            result
            -up,--update-plugins          Synonym for cpu
            -N,--non-recursive            Do not recurse into sub-projects
            -npr,--no-plugin-registry     Don't use ~/.m2/plugin-registry.xml for
            plugin versions
            -U,--update-snapshots         Update all snapshots regardless of
            repository policies
            -cpu,--check-plugin-updates   Force upToDate check for any relevant
            registered plugins
            -npu,--no-plugin-updates      Suppress upToDate check for any relevant
            registered plugins
            -D,--define                   Define a system property
            -X,--debug                    Produce execution debug output
            -e,--errors                   Produce execution error messages
            -f,--file                     Force the use of an alternate POM file.
            -h,--help                     Display help information
            -o,--offline                  Work offline
            -r,--reactor                  Execute goals for project found in the
            reactor
            -s,--settings                 Alternate path for the user settings file
            -v,--version                  Display version information
            

            package com.ibm.devworks;
            import java.util.ArrayList;
            import java.util.Iterator;
            import java.util.List;
            public class NumOps {
            private List <Operation> ops = new ArrayList
            <Operation>();
            public  NumOps() {
            ops.add( new AddOps());
            }
            public Operation getOp(int i)
            { Operation retval;
            if (i > ops.size())
            { retval = null;
            } else {
            retval = (Operation) ops.get(i);
            } return retval;
            }
            public int size() {
            return ops.size();
            }
            public static void main( String[] args ) {
            NumOps nop = new NumOps();
            for (int i=0;  i < nop.size(); i++) {
            System.out.println( "2 " +
            nop.getOp(i).getDesc() +
            " 1 is " +
            nop.getOp(i).op(2,1) );
            }
            }
            }
            

            package com.ibm.devworks;
            public interface Operation {
            int op(int a, int b);
            String getDesc();
            }
            

            package com.ibm.devworks;
            public class AddOps implements Operation {
            public int op(int a, int b) {
            return a+b;
            }
            public String getDesc() {
            return "plus";
            }
            }

 2 plus 1 is 3
            

mvn archetype:create -DarchetypeGroupId=org.apache.maven.archetypes
            -DgroupId=com.ibm.devworks -DartifactId=NumOps
            

            [INFO] Scanning for projects...
            [INFO] Searching repository for plugin with prefix: 'archetype'.
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] Building Maven Default Project
            [INFO]    task-segment: [archetype:create] (aggregator-style)
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] Setting property: classpath.resource.loader.class => 'org.codehaus.plexus
            ...
            [INFO] [archetype:create]
            [INFO] Defaulting package to group ID: com.ibm.devworks
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] Using following parameters for creating Archetype: maven-archetype-quicks
            tart:RELEASE
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] Parameter: groupId, Value: com.ibm.devworks
            [INFO] Parameter: packageName, Value: com.ibm.devworks
            [INFO] Parameter: basedir, Value: C:\temp\maven
            [INFO] Parameter: package, Value: com.ibm.devworks
            [INFO] Parameter: version, Value: 1.0-SNAPSHOT
            [INFO] Parameter: artifactId, Value: NumOps
            [INFO] ********************* End of debug info from resources from generated POM
            ***********************
            [INFO] Archetype created in dir: C:\temp\maven\NumOps
            [INFO] ------------------------------------------------------------------------
            [INFO] BUILD SUCCESSFUL
            [INFO] ------------------------------------------------------------------------
            [INFO] Total time: 1 second
            [INFO] Finished at: Sat Dec 02 22:04:02 EST 2006
            [INFO] Final Memory: 4M/8M
            [INFO] ------------------------------------------------------------------------
            

            <project xmlns="http://maven.apache.org/POM/4.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
            http://maven.apache.org/maven-v4_0_0.xsd">
            <modelVersion>4.0.0</modelVersion>
            <groupId>com.ibm.devworks</groupId>
            <artifactId>NumOps</artifactId>
            <packaging>jar</packaging>
            <version>1.0-SNAPSHOT</version>
            <name>Maven Quick Start Archetype</name>
            <url>http://maven.apache.org</url>
            <dependencies>
            <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
            </dependency>
            </dependencies>
            </project>
            

                    <project xmlns=http://maven.apache.org/POM/4.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
            http://maven.apache.org/maven-v4_0_0.xsd">
            <modelVersion>4.0.0</modelVersion>
            <groupId>com.ibm.devworks</groupId>
            <artifactId>NumOps</artifactId>
            <packaging>jar</packaging>
            <version>1.0-SNAPSHOT</version>
              <name>Intro to Maven 2 Example 1</name>
              <url>http://www.ibm.com/java</url>
               <build>
                <plugins>
                  <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <configuration>
                      <source>1.5</source>
                      <target>1.5</target>
                    </configuration>
                   </plugin>
                </plugins>
              </build>
            <dependencies>
            <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
            </dependency>
            </dependencies>
            </project>
            

            [INFO] Scanning for projects...
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] Building Intro to Maven 2 Example 1
            [INFO]    task-segment: [compile]
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] [resources:resources]
            [INFO] Using default encoding to copy filtered resources.
            [INFO] [compiler:compile]
            Compiling 3 source files to C:\temp\maven\NumOps\target\classes
            [INFO] ------------------------------------------------------------------------
            [INFO] BUILD SUCCESSFUL
            [INFO] ------------------------------------------------------------------------
            [INFO] Total time: 1 second
            [INFO] Finished at: Sat Dec 02 22:52:16 EST 2006
            [INFO] Final Memory: 3M/7M
            [INFO] ------------------------------------------------------------------------
            

            package com.ibm.devworks;
            import junit.framework.Test;
            import junit.framework.TestCase;
            import junit.framework.TestSuite;
            /**
            * Unit test for simple App.
            */
            public class NumOpsTest
            extends TestCase
            {
            /**
            * Create the test case
            *
            * @param testName name of the test case
            */
                public NumOpsTest( String testName )
                {
            super( testName );
            }
            ...
                public void testNumOps()
                {
                NumOps nops = new NumOps();
                assertTrue( nops.size() == 1);
                    assertTrue( 
                     nops.getOp(0).getDesc().equals("plus"));
                    assertTrue( nops.getOp(0).op(2,1) == 3);
            
                }
            }
            

            [INFO] Scanning for projects...
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] Building Intro to Maven 2 Example 1
            [INFO]    task-segment: [test]
            [INFO] -------------------------------------------------------------------------
            ---
            [INFO] [resources:resources]
            [INFO] Using default encoding to copy filtered resources.
            [INFO] [compiler:compile]
            [INFO] Nothing to compile - all classes are up to date
            [INFO] [resources:testResources]
            [INFO] Using default encoding to copy filtered resources.
            [INFO] [compiler:testCompile]
            Compiling 1 source file to C:\temp\maven\NumOps\target\test-classes
            [INFO] [surefire:test]
            [INFO] Surefire report directory: C:\temp\maven\NumOps\target\surefire-reports
            -------------------------------------------------------
            T E S T S
            -------------------------------------------------------
            Running com.ibm.devworks.NumOpsTest
            Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.031 sec
            Results :
            Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
            [INFO] ------------------------------------------------------------------------
            [INFO] BUILD SUCCESSFUL
            [INFO] ------------------------------------------------------------------------
            [INFO] Total time: 2 seconds
            [INFO] Finished at: Sat Dec 02 23:04:27 EST 2006
            [INFO] Final Memory: 3M/6M
            [INFO] ------------------------------------------------------------------------
            

            package com.ibm.devworks;
            public class SubOps implements Operation {
            public int op(int a, int b) {
            return a-b;
            }
            public String getDesc() {
            return "minus";
            }
            }

            <project xmlns="http://maven.apache.org/POM/4.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
            http://maven.apache.org/maven-v4_0_0.xsd">
            <modelVersion>4.0.0</modelVersion>
            <groupId>com.ibm.devworks</groupId>
            <artifactId>mavenex2</artifactId>
            <packaging>pom</packaging>
            <version>1.0-SNAPSHOT</version>
            <name>Maven Example 2</name>
            <url>http://maven.apache.org</url>
            <modules>
            <module>NumOps</module>
            <module>OpsImp</module>
            </modules>
            <build>
            <plugins>
            <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
            <source>1.5</source>
            <target>1.5</target>
            </configuration>
            </plugin>
            </plugins>
            </build>
            <dependencyManagement>
            <dependencies>
                <dependency>
                  <groupId>com.ibm.devworks</groupId>
                  <artifactId>OpsImp</artifactId>
                  <version>${project.version}</version>
                </dependency>
              </dependencies>
            </dependencyManagement>
            <dependencies>
            <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
            </dependency>
            </dependencies>
            </project>
            

            <project xmlns="http://maven.apache.org/POM/4.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
            http://maven.apache.org/maven-v4_0_0.xsd">
            <parent>
            <groupId>com.ibm.devworks</groupId>
            <artifactId>mavenex2</artifactId>
            <version>1.0-SNAPSHOT</version>
            </parent>
            <modelVersion>4.0.0</modelVersion>
            <artifactId>OpsImp</artifactId>
            <packaging>jar</packaging>
            </project>
            

            <project xmlns="http://maven.apache.org/POM/4.0.0"
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
            http://maven.apache.org/maven-v4_0_0.xsd">
            <parent>
            <groupId>com.ibm.devworks</groupId>
            <artifactId>mavenex2</artifactId>
            <version>1.0-SNAPSHOT</version>
            </parent>
            <modelVersion>4.0.0</modelVersion>
            <artifactId>NumOps</artifactId>
            <packaging>jar</packaging>
              <dependencies>
                <dependency>
                  <groupId>com.ibm.devworks</groupId>
                  <artifactId>OpsImp</artifactId>
                 </dependency>
              </dependencies>
            </project>