Package org.apache.uima.ruta.utils.update

Source Code of org.apache.uima.ruta.utils.update.ConvertProjectHandler$ConvertProjectHandlerJob

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

package org.apache.uima.ruta.utils.update;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.uima.ruta.addons.RutaAddonsPlugin;
import org.apache.uima.ruta.ide.core.RutaNature;
import org.apache.uima.ruta.ide.ui.wizards.RutaProjectCreationWizard;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.utils.ResourceUtil;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

public class ConvertProjectHandler implements IHandler {

  private class ConvertProjectHandlerJob extends Job {
    ExecutionEvent event;

    ConvertProjectHandlerJob(ExecutionEvent event) {
      super("Converting...");
      this.event = event;
      setUser(true);
    }

    @Override
    public IStatus run(IProgressMonitor monitor) {
      List<IProject> projects = new ArrayList<IProject>();
      final ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
      if (currentSelection instanceof IStructuredSelection) {
        StructuredSelection selection = (StructuredSelection) currentSelection;
        Iterator<?> iter = selection.iterator();
        while (iter.hasNext()) {
          Object object = iter.next();
          if (object instanceof IScriptProject) {
            IScriptProject p = (IScriptProject) object;
            projects.add(p.getProject());
          } else if (object instanceof IProject) {
            projects.add((IProject) object);
          }
        }
      }
      monitor.beginTask("Converting to UIMA Ruta project...", projects.size());
      for (IProject each : projects) {
        try {
          IScriptProject scriptProject = DLTKCore.create(each);
          ResourceUtil.addNature(each, monitor, RutaNature.NATURE_ID);
          RutaProjectCreationWizard.createRutaProject(scriptProject, null, monitor);
        } catch (CoreException e) {
          RutaAddonsPlugin.error(e);
        }
      }
      monitor.done();
      return Status.OK_STATUS;
    }
  }

  public void addHandlerListener(IHandlerListener arg0) {

  }

  public void dispose() {

  }

  public Object execute(ExecutionEvent event) throws ExecutionException {
    new ConvertProjectHandlerJob(event).schedule();
    return Status.OK_STATUS;
  }

  public boolean isEnabled() {
    return true;
  }

  public boolean isHandled() {
    return true;
  }

  public void removeHandlerListener(IHandlerListener arg0) {

  }

}
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