process:
1. download eclipse 3.6
ftp://ftp.jaist.ac.jp/pub/eclipse/technology/epp/downloads/release/helios/R/eclipse-jee-helios-win32.zip
2. install maven plugin :m2eclipse
Update Site: http://m2eclipse.sonatype.org/sites/m2e
IMPORTANT NOTE: You cannot upgrade from m2eclipse 0.9.8 or m2eclipse 0.9.9 to m2eclipse 0.10.0. If you are running m2eclipse 0.9.8 or 0.9.9 you must either uninstall m2eclipse from your Eclipse installation or start with a fresh installation of Eclipse.
To install this plugin in the Eclipse IDE:
Note about 0.9.8 Workspace Incompatibility: If you are using m2eclipse 0.10.0 with a workspace that contains projects created under m2eclipse 0.9.8, you must remove the workspaceState.ser file. The workspaceState.ser file is located within the workspace directory in $workspacedir/.metadata/.plugins/org.maven.ide.eclipse/workspaceState.ser. If you remove this file, m2eclipse 0.10.0 will regenerate it as needed.
3. If you want, you can install m2eclipse extras
To install optional m2eclipse components, you will need to use the m2eclipse Extras update site. This update site contains the following m2eclipse components:
m2eclipse Extras Update Site: http://m2eclipse.sonatype.org/sites/m2e-extras
4. for svn plugin, you can install subclipse:
update site: http://subclipse.tigris.org/update_1.6.x
5. even if you want to install xtext plugin, you can :
update site: http://download.eclipse.org/modeling/tmf/updates/releases
6. even if you want to install ANTLR IDE plugin, you can:
update site: http://antlrv3ide.sourceforge.net/updates