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/*****************************************************************************
* Copyright (c) 2010, 2016 CEA LIST, Christian W. Damus.
*
* 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
*
* Contributors:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus - bug 485220
*
*****************************************************************************/
package org.eclipse.papyrus.infra.properties.internal;
import static org.eclipse.papyrus.infra.properties.internal.InfraPropertiesPlugin.LOG;
import static org.eclipse.papyrus.infra.properties.internal.InfraPropertiesPlugin.PLUGIN_ID;
import java.io.IOException;
import java.util.function.Consumer;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.util.URI;
import org.eclipse.papyrus.infra.constraints.runtime.ConstraintsManager;
/**
* Handles the extension point <tt>org.eclipse.papyrus.infra.properties.environments</tt>.
* Registers the given Environment models to the Property View framework
*
* @author Camille Letavernier
*/
public class EnvironmentExtensionPoint {
private final String EXTENSION_ID = PLUGIN_ID + ".environments"; //$NON-NLS-1$
public EnvironmentExtensionPoint(ModelConsumer environmentAcceptor) {
IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(EXTENSION_ID);
for (IConfigurationElement e : config) {
final String environmentResource = e.getAttribute("environmentModel"); //$NON-NLS-1$
URI uri = URI.createURI("ppe:/environment/" + e.getContributor().getName() + "/" + environmentResource); //$NON-NLS-1$ //$NON-NLS-2$
try {
environmentAcceptor.accept(uri);
ConstraintsManager.instance.addEnvironment(uri); // Add it to the constraints extension point, which we "extend"
} catch (IOException ex) {
LOG.error("The plugin " + e.getContributor() + " contributed an invalid " + "extension for " + EXTENSION_ID, ex); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
}
}
}
//
// Nested types
//
/**
* An analogue of the Java {@link Consumer} protocol that accepts models and
* potentially throws {@link IOException} on failure to load a model.
*/
@FunctionalInterface
public interface ModelConsumer {
/**
* Accepts a model URI.
*
* @param modelURI
* the model URI (presumably to be loaded)
*
* @throws IOException
* on failure to load the model from the given URI
*/
void accept(URI modelURI) throws IOException;
}
}
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