/*******************************************************************************
* Copyright (c) 2000, 2017 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
*******************************************************************************/
package org.eclipse.dltk.internal.corext.refactoring.participants;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.dltk.internal.ui.util.StringMatcher;
public class ResourceExtender extends PropertyTester {
private static final String PROPERTY_MATCHES_PATTERN= "matchesPattern"; //$NON-NLS-1$
private static final String PROJECT_NATURE = "projectNature"; //$NON-NLS-1$
private static final String CAN_DELETE= "canDelete"; //$NON-NLS-1$
@Override
public boolean test(Object receiver, String method, Object[] args, Object expectedValue) {
IResource resource= (IResource)receiver;
if (PROPERTY_MATCHES_PATTERN.equals(method)) {
String fileName= resource.getName();
StringMatcher matcher= new StringMatcher((String)expectedValue, false, false);
return matcher.match(fileName);
} else if (PROJECT_NATURE.equals(method)) {
try {
IProject proj = resource.getProject();
return proj.isAccessible() && proj.hasNature((String)expectedValue);
} catch (CoreException e) {
return false;
}
} else if (CAN_DELETE.equals(method)) {
return canDelete(resource);
}
Assert.isTrue(false);
return false;
}
private boolean canDelete(IResource resource) {
if (!resource.exists() || resource.isPhantom())
return false;
if (resource.getType() == IResource.ROOT || resource.getType() == IResource.PROJECT)
return false;
return true;
}
}