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/*****************************************************************************
* Copyright (c) 2015 CEA LIST.
*
* 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:
*
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.effbd.provider;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.gmf.runtime.common.core.service.AbstractProvider;
import org.eclipse.gmf.runtime.common.core.service.IOperation;
import org.eclipse.gmf.runtime.common.ui.services.parser.GetParserOperation;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParser;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParserProvider;
import org.eclipse.gmf.runtime.notation.View;
/**
* Parser provider for labels used by diagrams.
*/
public abstract class AbstractParserProvider extends AbstractProvider implements IParserProvider {
/** map from graphical hint to parsers */
protected Map<String, IParser> graphicalHintToParser = new HashMap<String, IParser>();
/**
* {@inheritDoc}
*/
@Override
public boolean provides(IOperation operation) {
if (operation instanceof GetParserOperation) {
IAdaptable hint = ((GetParserOperation) operation).getHint();
return getParser(hint) != null;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public IParser getParser(IAdaptable hint) {
String parserHint = hint.getAdapter(String.class);
if (parserHint != null) {
IParser parser = graphicalHintToParser.get(parserHint);
if (parser != null) {
return parser;
}
}
View view = hint.getAdapter(View.class);
if (view != null) {
IParser parser = graphicalHintToParser.get(view.getType());
if (parser != null) {
return parser;
}
}
return null;
}
}
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