Maven and Erlide

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 +====Notice====
 +'''This is a two-part article'''
 +
 +[[Maven_and_Erlang|The first part]] deals with installing Maven and maven-erlang plugin for Maven
 +
 +This part will deal with using Maven with Erlide
 +
 +
===How do you marry Maven and Erlide?=== ===How do you marry Maven and Erlide?===
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You need Erlide version 0.3.26 or higher for Erlide to work with Maven You need Erlide version 0.3.26 or higher for Erlide to work with Maven
 +
 +
 +[[Category:HowTo]]

Current revision

Contents

[edit] Notice

This is a two-part article

The first part deals with installing Maven and maven-erlang plugin for Maven

This part will deal with using Maven with Erlide


[edit] How do you marry Maven and Erlide?

Briefly, you would have to do the following:

  1. Teach Maven how to create Eclipse projects
  2. Create a project using erlang-plugin
  3. Create an Eclipse project using Maven
  4. Edit the project to make it Erlide-aware
  5. Open the project in Eclipse
  6. Change Erlide's paths

All is very simple though rather lengthy.

[edit] Teach Maven how to create Eclipse projects

Attention! Read the following steps carefully, as there are some caveats in installing maven-eclipse-plugin.

1. Maven will not be able to install maven-eclipse-plugin because it doesn't have access to developer repositories.

In order to make Maven aware of these repositories, locate and open MAVEN_INSTALL_DIR/conf/settings.xml

Locate the following section: 

<profiles>
</profiles>

Add the following: 

<profiles>
  <profile>
   <id>apache</id>
    <repositories>
     <repository>
      <id>apache.org</id>
      <name>Maven Snapshots</name>
      <url>http://people.apache.org/maven-snapshot-repository</url>
      <releases>
       <enabled>false</enabled>
      </releases>
      <snapshots>
       <enabled>true</enabled>
      </snapshots>
    </repository>
   </repositories>
   <pluginRepositories>
    <pluginRepository>
     <id>apache.org</id>
      <name>Maven Plugin Snapshots</name>
      <url>http://people.apache.org/maven-snapshot-repository</url>
      <releases>
       <enabled>false</enabled>
      </releases>
      <snapshots>
       <enabled>true</enabled>
      </snapshots>
   </pluginRepository>
  </pluginRepositories>
 </profile>
 <profile>
  <id>codehaus</id>
   <repositories>
    <repository>
     <id>codehaus.org</id>
      <name>CodeHaus Snapshots</name>
      <url>http://snapshots.repository.codehaus.org</url>
      <releases>
       <enabled>false</enabled>
      </releases>
      <snapshots>
       <enabled>true</enabled>
      </snapshots>
    </repository>
   </repositories>
   <pluginRepositories>
    <pluginRepository>
     <id>codehaus.org</id>
     <name>CodeHaus Plugin Snapshots</name>
     <url>http://snapshots.repository.codehaus.org</url>
     <releases>
      <enabled>false</enabled>
     </releases>
     <snapshots>
      <enabled>true</enabled>
     </snapshots>
   </pluginRepository>
  </pluginRepositories>
 </profile>
</profiles>

Locate the following section: 

<activeProfiles>
</activeProfiles>

Add the follwoing: 

<activeProfiles>
 <activeProfile>apache</activeProfile>
 <activeProfile>codehaus</activeProfile>
</activeProfiles>

Save the file

[edit] Install maven-eclipse-plugin

1. Create a floder for the plugin

2. SVN checkout from http://svn.apache.org/repos/asf/maven/plugins/trunk/maven-eclipse-plugin

3. Type mvn install

4. Maven will download and install any additional dependencies

5. After onstallation run the following: 

mvn -Declipse.workspace=<path-to-eclipse-workspace> eclipse:add-maven-repo

[edit] Create a project

The follwoing assumes that you've repeated all the steps from the first part of this tutorial and that you have mvncreate.bat in your path

1. Go into a directory of your choosing and type mvncreate Test Core

2. In the same console cd Core

3. In the same console mvn eclipse:eclipse

4. Maven will create a file called .project which contains a stub for Eclipse: 

<projectDescription>
 <name>Core</name>
 <comment/>
 <projects/>
 <buildSpec/>
 <natures/>
</projectDescription>

5. We need to change buildspec and natures to make the project aware of Erlide and Maven: 

<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
 <name>Core</name>
 <comment></comment>
 <projects>
 </projects>

 <buildSpec>
   <buildCommand>
     <name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
     <triggers>full,incremental,</triggers>
     <arguments>
         <dictionary>
             <key>LaunchConfigHandle</key>
              <value><project>/.externalToolBuilders/Compile.launch</value>
         </dictionary>
     </arguments>
   </buildCommand>
   <buildCommand>
     <name>org.erlide.core.erlbuilder</name>
     <arguments>
     </arguments>
   </buildCommand>
  </buildSpec>

  <natures>
    <nature>org.maven.ide.eclipse.maven2Nature</nature>
    <nature>org.erlide.core.erlnature</nature>
  </natures>

</projectDescription>

[edit] Using the projext in Eclipse

1. Run Eclipse

2. File -> Import -> General -> Existing Projects Into Workspace

3. Select the Core directory

4. Finish

Right-click the project -> Properties

  1. Erlang Properties
    1. Build output: target/ebin
    2. Source: src/main/erlang;src/test/erlang
    3. Include: src/include

Here you can also select Maven as a default builder for the project (Builders -> New -> m2 Build) or you can set it as an external tool (Run -> External Tools -> External Tools... -> m2 build -> New). In both cases settings are the same:

1. Name: I prefer to name it according to goals I'm trying to accomplish - one of: compile, test, install, deploy

2. Base directory: ${workspace_loc:/Workspace} (click Browse workspace -> current project)

3. Goals: one of Mavens goals: compile, test, install, deploy (you may also select them from Goals... -> Lifecycle Phases)

All is done and installed

[edit] Note on Erlide version

You need Erlide version 0.3.26 or higher for Erlide to work with Maven

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