/* | |
* 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.searchStrategy; | |
import java.util.ArrayList; | |
import java.util.Collection; | |
import java.util.List; | |
import org.apache.uima.caseditor.ide.TypeSystemLocationPropertyPage; | |
import org.apache.uima.caseditor.ide.searchstrategy.ITypeSystemSearchStrategy; | |
import org.apache.uima.ruta.ide.core.RutaNature; | |
import org.apache.uima.ruta.ide.core.builder.RutaProjectUtils; | |
import org.eclipse.core.resources.IFile; | |
import org.eclipse.core.resources.IFolder; | |
import org.eclipse.core.resources.IProject; | |
import org.eclipse.core.resources.IProjectNature; | |
import org.eclipse.core.resources.IResource; | |
import org.eclipse.core.runtime.CoreException; | |
import org.eclipse.jface.viewers.IStructuredContentProvider; | |
import org.eclipse.jface.viewers.LabelProvider; | |
import org.eclipse.jface.viewers.Viewer; | |
import org.eclipse.swt.widgets.Display; | |
import org.eclipse.ui.dialogs.ListDialog; | |
public class DescriptorFolderSearchStrategy implements ITypeSystemSearchStrategy { | |
private List<IFile> collectTypeSystems(IFolder folder) throws CoreException { | |
List<IFile> result = new ArrayList<IFile>(); | |
for (IResource each : folder.members()) { | |
if (each instanceof IFolder) { | |
result.addAll(collectTypeSystems((IFolder) each)); | |
} else if (each instanceof IFile && each.getFileExtension() != null | |
&& each.getFileExtension().equals("xml")) { | |
result.add((IFile) each); | |
} | |
} | |
return result; | |
} | |
public IFile findTypeSystem(IFile casFile) { | |
IProject project = casFile.getProject(); | |
IFile typeSystemLocation = TypeSystemLocationPropertyPage.getTypeSystemLocation(project); | |
if(typeSystemLocation != null && !typeSystemLocation.getName().equals("TypeSystem.xml")) { | |
// do not override the properties! | |
return null; | |
} | |
try { | |
IProjectNature nature = project.getNature(RutaNature.NATURE_ID); | |
if (!(nature instanceof RutaNature)) { | |
return null; | |
} | |
} catch (CoreException e) { | |
return null; | |
} | |
IFolder folder = project.getFolder(RutaProjectUtils.getDefaultDescriptorLocation()); | |
try { | |
List<IFile> list = collectTypeSystems(folder); | |
ListDialog ld = new ListDialog(Display.getCurrent().getActiveShell()); | |
ld.setContentProvider(new IStructuredContentProvider() { | |
public void dispose() { | |
} | |
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
} | |
public Object[] getElements(Object inputElement) { | |
return ((Collection<?>) inputElement).toArray(); | |
} | |
}); | |
ld.setLabelProvider(new LabelProvider() { | |
@Override | |
public String getText(Object element) { | |
return ((IFile) element).getName(); | |
} | |
}); | |
if (list == null || list.isEmpty()) { | |
return null; | |
} | |
ld.setTitle("Select Type System Descriptor"); | |
ld.setInput(list); | |
ld.open(); | |
if (ld.getResult() != null) { | |
return (IFile) ld.getResult()[0]; | |
} else { | |
return null; | |
} | |
} catch (Exception e) { | |
return null; | |
} | |
} | |
} |