Apache Maven

Maven is a software project management and comprehension tool. Based on the concept of a Project Object Model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information.

Requires Java.

Slackbuild

su
cd /tmp
wget http://slackbuilds.org/slackbuilds/14.0/development/apache-maven.tar.gz
tar xvzf apache-maven.tar.gz
cd apache-maven
wget http://archive.apache.org/dist/maven/binaries/apache-maven-3.0.4-bin.tar.gz
./apache-maven.SlackBuild
installpkg /tmp/apache-maven-3.0.4-noarch-1_SBo.tgz

Package: apache-maven-3.0.4-noarch-1_SBo.tgz

User settings

You can specify your user configuration in ${user.home}/.m2/settings.xml. The default location of your local repository is ${user.home}/.m2/repository/.

Maven sample web app for JBoss AS 7.1.1

Web application creation

cd ~
mvn archetype:generate -DgroupId=org.allowed.bitarus -DartifactId=WebApp -DarchetypeArtifactId=maven-archetype-webapp -DinteractiveMode=false
cd WebApp
mvn clean
mvn compile
mvn package

Deploy web application on jboss AS 7.1.1

/opt/jboss-as-7.1.1.Final/bin/standalone.sh
http://localhost:9990
admin 12345678
Manage deployments
Add content
Choose file ~/WebApp/target/WebApp.war
next, save
enable , confirm
http://localhost:8080/WebApp/

Add REST and servlet support

url http://localhost:8080/WebApp/rest/testSvc/paramx

Add dependencies to pom.xml, jboss AS 7.1.1 JAX-RS

   1 <dependency>
   2     <groupId>org.jboss.resteasy</groupId>
   3     <artifactId>resteasy-jaxrs</artifactId>
   4     <version>2.2.1.GA</version>
   5     <scope>provided</scope>
   6 </dependency>
   7 <dependency>
   8     <groupId>javax</groupId>
   9     <artifactId>javaee-web-api</artifactId>
  10     <version>6.0</version>
  11     <scope>provided</scope>
  12 </dependency>

In JBoss 5.1.0 comment the scope provided for resteasy, to add to WEB-INF folder the required libraries for resteasy.

Create source code for REST service and servlet

File src/main/java/org/allowed/bitarus/TestService.java

URL http://localhost:8080/WebApp/rest/testSvc/asddddd

   1 package org.allowed.bitarus;
   2 
   3 import javax.ws.rs.GET;
   4 import javax.ws.rs.Path;
   5 import javax.ws.rs.PathParam;
   6 import javax.ws.rs.core.Response;
   7 
   8 @Path("/testSvc")
   9 public class TestService {
  10 
  11     @GET
  12     @Path("/{param}")
  13     public Response getMsg(@PathParam("param") String msg) {
  14         String out = String.format("testSvc returns %s", msg);
  15         return Response.status(200).entity(out).build();
  16     }
  17 
  18 }

File src/main/java/org/allowed/bitarus/Servletx.java

http://localhost:8080/WebApp/servletxxx

   1 package org.allowed.bitarus;
   2 
   3 import javax.servlet.*;
   4 import javax.servlet.http.*;
   5 import java.io.*;
   6 
   7 public class Servletx extends HttpServlet{
   8     public void service(HttpServletRequest req, HttpServletResponse res) throws IOException
   9     {
  10         res.setContentType("text/html");
  11         PrintWriter out = res.getWriter();
  12         out.println("<html><head><title>Hello World!</title></head>");
  13         out.println("<body><h1>Hello World!</h1></body></html>");
  14     }
  15 }

Configure web app

File src/main/webapp/WEB-INF/web.xml

   1 <web-app>
   2   <display-name>Archetype Created Web Application</display-name>
   3   <context-param>
   4     <param-name>resteasy.scan</param-name>
   5     <param-value>true</param-value>
   6   </context-param>
   7  
   8   <context-param>
   9     <param-name>resteasy.servlet.mapping.prefix</param-name>
  10     <param-value>/rest</param-value>
  11   </context-param>
  12 
  13   <servlet>
  14     <servlet-name>resteasy-servlet</servlet-name>
  15     <servlet-class>org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher</servlet-class>
  16   </servlet>
  17   <servlet-mapping>
  18     <servlet-name>resteasy-servlet</servlet-name>
  19     <url-pattern>/rest/*</url-pattern>
  20   </servlet-mapping>
  21 
  22   <servlet>
  23     <servlet-name>Servletx</servlet-name>
  24     <servlet-class>org.allowed.bitarus.Servletx</servlet-class>
  25   </servlet>
  26   <servlet-mapping>
  27     <servlet-name>Servletx</servlet-name>
  28     <url-pattern>/servletxxx</url-pattern> 
  29   </servlet-mapping>
  30 </web-app>

Dependencies scopes on pom.xml

compile

compile is the default scope; all dependencies are compile-scoped if a scope is not supplied. compile dependencies are available in all classpaths, and they are packaged.

provided

provided dependencies are used when you expect the JDK or a container to provide them.

Eclipse plugin

Install on Eclipse 3.8.2

Choose Help menu
Install new software
Name: M2Eclipse
Location: http://download.eclipse.org/technology/m2e/releases
Maven Integration For Eclipse
Select all
next
next
I accept
Finish

Import existing project

Java perspective
Import
Maven
Existing Maven project
next
root folder
next
finish

Maven sample enterprise app

cd /tmp
mvn archetype:generate -DgroupId=org.allowed.bitarus -DartifactId=EnterpriseApp -DarchetypeArtifactId=org.jboss.spec.archetypes.jboss-javaee6-ear-webapp -DinteractiveMode=false
cd EnterpriseApp/
Edit pom.xml and comment site module
mvn clean
mvn compile
mvn package # /tmp/EnterpriseApp/EnterpriseApp-ear/target/EnterpriseApp.ear
Deploy the EnterpriseApp.ear with http://localhost:9990
Open http://localhost:8080/EnterpriseApp/index.jsf

Maven sample ejb JEE5

cd /tmp
mvn archetype:generate -DgroupId=org.allowed.bitarus -DartifactId=EjbJEE5 -DarchetypeArtifactId=org.codehaus.mojo.archetypes.ejb-jee5 -DinteractiveMode=false
cd EnterpriseApp/
Edit pom.xml and comment site module
mvn clean
mvn compile
mvn package # /tmp/EnterpriseApp/EnterpriseApp-ear/target/EnterpriseApp.ear

POM EJB 3.0 + JAX-WS

For JBoss 5.0. Source code Java below folder ejbModule. Create source folder in Eclipse named ejbModule.

pom.xml

   1 <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/xsd/maven-4.0.0.xsd">
   2   <modelVersion>4.0.0</modelVersion>
   3   <groupId>org.allowed.bitarus</groupId>
   4   <artifactId>test2</artifactId>
   5   <version>0.0.1</version>
   6   <packaging>ejb</packaging>
   7   
   8   <build>
   9     <sourceDirectory>ejbModule</sourceDirectory>
  10     <resources>
  11       <resource>
  12         <directory>ejbModule</directory>
  13         <excludes>
  14           <exclude>**/*.java</exclude>
  15         </excludes>
  16       </resource>
  17     </resources>
  18     <plugins>
  19       <plugin>
  20         <artifactId>maven-ejb-plugin</artifactId>
  21         <version>2.3</version>
  22         <configuration>
  23           <ejbVersion>3.0</ejbVersion>
  24         </configuration>
  25       </plugin>
  26     </plugins>
  27   </build>
  28   
  29   <dependencies>
  30     <dependency>
  31         <!-- EJB 3.0 -->
  32         <groupId>javax.ejb</groupId>
  33         <artifactId>ejb-api</artifactId>
  34         <version>3.0</version>
  35     </dependency>
  36     <dependency>
  37         <!--jax ws web servies -->
  38         <groupId>sun-jaxws</groupId>
  39         <artifactId>jsr181-api</artifactId>
  40         <version>1.0</version>
  41     </dependency>
  42   </dependencies>
  43 </project>

Source code files

Build EJB JAR with maven

mvn clean compile package

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