[news.eclipse.platform] Re: How to create a workspace programmatically?

["Martin Skorsky" <Martin.Skorsky@xxxxxxxxxxxxxx>]

Here is an example:
(for more examples see the automated tests of the eclipse platform project.)


 /**
  * Creates a IJavaProject.
  */
 static IJavaProject createJavaProject(String projectName, String 
binFolderName) throws CoreException {
  IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
  IProject project= root.getProject(projectName);
  if (!project.exists()) {
   project.create(null);
  } else {
   project.refreshLocal(IResource.DEPTH_INFINITE, null);
  }

  if (!project.isOpen()) {
   project.open(null);
  }

  IPath outputLocation;
  if (binFolderName != null && binFolderName.length() > 0) {
   IFolder binFolder= project.getFolder(binFolderName);
   if (!binFolder.exists()) {
    createFolder(binFolder, false, true, null);
   }
   outputLocation= binFolder.getFullPath();
  } else {
   outputLocation= project.getFullPath();
  }

  if (!project.hasNature(JavaCore.NATURE_ID)) {
   addNatureToProject(project, JavaCore.NATURE_ID, null);
  }

  IJavaProject jproject= JavaCore.create(project);

  jproject.setOutputLocation(outputLocation, null);
  jproject.setRawClasspath(new IClasspathEntry[0], null);

  return jproject;
 }

 private static void addNatureToProject(IProject proj, String natureId, 
IProgressMonitor monitor) throws CoreException {
  IProjectDescription description = proj.getDescription();
  String[] prevNatures= description.getNatureIds();
  String[] newNatures= new String[prevNatures.length + 1];
  System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
  newNatures[prevNatures.length]= natureId;
  description.setNatureIds(newNatures);
  proj.setDescription(description, monitor);
 }

 /**
  * Creates a folder and all parent folders if not existing.
  * Project must exist.
  * <code>org.eclipse.ui.dialogs.ContainerGenerator</code> is too heavy
  * (creates a runnable)
  */
 static void createFolder(IFolder folder, boolean force, boolean local, 
IProgressMonitor monitor) throws CoreException {
  if (!folder.exists()) {
   IContainer parent= folder.getParent();
   if (parent instanceof IFolder) {
    createFolder((IFolder)parent, force, local, null);
   }
   folder.create(force, local, monitor);
  }
 }

 /**
  * @param project the project to delete.
  * @throws CoreException
  */
 static void delete(final IJavaProject jproject) throws CoreException {
  IWorkspaceRunnable runnable= new IWorkspaceRunnable() {
   public void run(IProgressMonitor monitor) throws CoreException {
    jproject.setRawClasspath(new IClasspathEntry[0], 
jproject.getProject().getFullPath(), null);
    for (int i= 0; i < MAX_RETRY; i++) {
     try {
      IProject tmpProject = jproject.getProject();
      synchronized (tmpProject) {
       if (tmpProject.exists())
        tmpProject.delete(true, true, null);
      }
      i= MAX_RETRY;
     } catch (CoreException e) {
      if (i == MAX_RETRY - 1) {
       EntireXWorkbenchTestPlugin.log(e);
       throw e;
      }
      try {
       Thread.sleep(1000); // sleep a second
      } catch (InterruptedException e1) {
      }
     }
    }
   }
  };
  ResourcesPlugin.getWorkspace().run(runnable, null);
 }

"Karl-Heinz Damm" <Karl-Heinz.Damm@xxxxxxxxxxxxxxx> wrote in message 
news:542707156e078bc1f5efe9935d5db189$1@xxxxxxxxxxxxxxxxxx
> Is there a simple way to create a workspace including one (or more) 
> projects programmatically using the Eclipse API. By simple I mean 
> something like two API function calls, the first call specifying 
> essentially only the location for the new workspace, the second call 
> specifying essentially only the location of an existing project or 
> directory.
>
> The reason why I'm asking this is that we would like to be able to create 
> a workspace with projects from one or more simple configuration files, 
> e.g. like it is done in Visual Studio with *.dsw and *.dsp files, and we 
> want to save these workspace description files within our CVS repository.
>
>