bundles/org.eclipse.emf.ecp.emfstore.ui/src/org/eclipse/emf/ecp/emfstore/internal/ui/property/EmfStoreLocalServerAndNotRunningTester.java

/*******************************************************************************
 * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 * Eugen Neufeld - initial API and implementation
 ******************************************************************************/
package org.eclipse.emf.ecp.emfstore.internal.ui.property;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.emf.ecp.core.ECPRepository;
import org.eclipse.emf.ecp.core.util.ECPUtil;
import org.eclipse.emf.ecp.emfstore.core.internal.EMFStoreProvider;
import org.eclipse.emf.ecp.spi.core.InternalRepository;
import org.eclipse.emf.emfstore.client.ESServer;
import org.eclipse.emf.emfstore.internal.server.EMFStoreController;

/**
 * Tests, whether a repository is a local EMFStore server, which can be directly started.
 *
 * @author Jonas
 *
 */
public class EmfStoreLocalServerAndNotRunningTester extends PropertyTester {

	private static final Set<String> ALLOWEDLOCALURIS = new HashSet<String>();
	static {
		ALLOWEDLOCALURIS.add("localhost"); //$NON-NLS-1$
		ALLOWEDLOCALURIS.add("127.0.0.1"); //$NON-NLS-1$
	}

	/**
	 *
	 * {@inheritDoc}
	 *
	 * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[],
	 *      java.lang.Object)
	 */
	@Override
	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
		if (receiver instanceof ECPRepository && expectedValue instanceof Boolean) {
			final ECPRepository ecpRepository = (ECPRepository) receiver;
			final EMFStoreProvider emfStoreProvider = (EMFStoreProvider) ECPUtil
				.getResolvedElement(ECPUtil.getECPProviderRegistry().getProvider(EMFStoreProvider.NAME));
			final ESServer serverInfo = emfStoreProvider.getServerInfo((InternalRepository) ecpRepository);
			if (ALLOWEDLOCALURIS.contains(serverInfo.getURL())) {
				if (EMFStoreController.getInstance() == null) {
					return Boolean.TRUE.equals(expectedValue);
				}
			}
		}
		return Boolean.FALSE.equals(expectedValue);
	}
}