[eclipse-dev] Problem Adding NatureIds to JavaProjects

["Cote, Steve" <steve.cote@xxxxxxxxx>]

I am creating a plugin in eclipse 2.1.1 that will create a template project for developers. It will create all the directories and files needed for a simple project saving the time it takes to copy an existing project over and initializing everything. I am having problems adding a Nature Id to a project when I try to set the updated project description in the existing project

 

The extension point in my plugin.xml is as follows:

 

  <extension

    id="com.qwest.bus.busnature"

    name="BusConnector Nature"

    point="org.eclipse.core.resources.natures">

    <runtime>

      <run

        class="com.qwest.bus.BusProject">

      </run>

    </runtime>

  </extension>

 

 

The method in question is:

 

  public static void addNatureToProject( IProject project, String natureId ) throws CoreException

  {

    Log.debug( "BusPlugin.addNatureToProject(" + project + ", " + natureId + ")" );

 

    IProject proj = project.getProject();

    Log.debug( "BusPlugin.addNatureToProject() got project '" + proj + "'" );

 

    // Add nature only if it is not already there

    if( !proj.hasNature(natureId) )

    {

      Log.debug( "BusPlugin.addNatureToProject() adding nature '" + natureId + "' to " + project );

      IProjectDescription description = proj.getDescription();

      String[] currentNatures = description.getNatureIds();

      String[] newNatures = new String[currentNatures.length + 1];

      System.arraycopy( currentNatures, 0, newNatures, 0, currentNatures.length );

      newNatures[currentNatures.length] = natureId;

      description.setNatureIds( newNatures );

      try

      {

        StringBuffer buf = new StringBuffer("Project status:\r\n");

        buf.append(" isAccessible: ");buf.append( proj.isAccessible());buf.append( "\r\n");

        buf.append(" isDerived: ");buf.append( proj.isDerived());buf.append( "\r\n");

        buf.append(" isLinked: ");buf.append( proj.isLinked());buf.append( "\r\n");

        buf.append(" isLocal: ");buf.append( proj.isLocal(0));buf.append( "\r\n");

        buf.append(" isNatureEnabled: ");buf.append( proj.isNatureEnabled(natureId));buf.append( "\r\n");

        buf.append(" isOpen: ");buf.append( proj.isOpen());buf.append( "\r\n");

        buf.append(" isPhantom: ");buf.append( proj.isPhantom());buf.append( "\r\n");

        buf.append(" isReadOnly: ");buf.append( proj.isReadOnly());buf.append( "\r\n");

        buf.append(" isSynchronized: ");buf.append( proj.isSynchronized(0));buf.append( "\r\n");

        buf.append(" isTeamPrivateMember: ");buf.append( proj.isTeamPrivateMember());buf.append( "\r\n");

        Log.debug( buf.toString() );

       

        proj.setDescription( description, null );

        Log.debug( "BusPlugin.addNatureToProject() there are now "+newNatures.length+" current natures" );

      }

      catch (CoreException e)

      {

        Log.err("D'oh! "+e.getMessage());

        e.printStackTrace();

      }

    }

    else

    {

      Log.debug( "BusPlugin.addNatureToProject() nature '" + natureId + "' is already associated to this project" );

    }

  }

 

 

 

And here is the log that I'm generating:

 

DEBUG[30524:0] main | Thu Sep 18 14:35:12 EDT 2003 | BusProject.setting nature id 'com.qwest.bus.busnature'

DEBUG[30524:0] main | Thu Sep 18 14:35:12 EDT 2003 | BusPlugin.addNatureToProject(P/TestProject, com.qwest.bus.busnature)

DEBUG[30524:0] main | Thu Sep 18 14:35:12 EDT 2003 | BusPlugin.addNatureToProject() got project 'P/TestProject'

DEBUG[30534:10] main | Thu Sep 18 14:35:12 EDT 2003 | BusPlugin.addNatureToProject() adding nature 'com.qwest.bus.busnature' to P/TestProject

DEBUG[30544:10] main | Thu Sep 18 14:35:12 EDT 2003 | Project status:

 isAccessible: true

 isDerived: false

 isLinked: false

 isLocal: true

 isNatureEnabled: false

 isOpen: true

 isPhantom: false

 isReadOnly: false

 isSynchronized: true

 isTeamPrivateMember: false

 

ERROR[30544:0] main | Thu Sep 18 14:35:12 EDT 2003 | D'oh! Problems encountered while setting project description.

org.eclipse.core.runtime.CoreException: Problems encountered while setting project description.

      at org.eclipse.core.internal.resources.Project.setDescription(Project.java:805)

      at org.eclipse.core.internal.resources.Project.setDescription(Project.java:829)

      at com.qwest.bus.BusPlugin.addNatureToProject(BusPlugin.java:228)

      at com.qwest.bus.BusProject.addBusNatureToProject(BusProject.java:170)

      at com.qwest.bus.BusProjectCreationWizard.performFinish(BusProjectCreationWizard.java:168)

      at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:608)

--[snip]--

 

 

 

What am I missing / doing wrong?

 

Thanks in advance for any help received.

 

 

-Steve Coté