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/*******************************************************************************
* Copyright (c) 2006, 2012 Oracle. 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/.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.core.internal.utility.jdt;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.Expression;
import org.eclipse.jpt.common.core.utility.jdt.ExpressionConverter;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
/**
* No conversion.
*/
public final class NullExpressionConverter
implements ExpressionConverter<Expression>
{
// singleton
private static final ExpressionConverter<Expression> INSTANCE = new NullExpressionConverter();
/**
* Return the singleton.
*/
public static ExpressionConverter<Expression> instance() {
return INSTANCE;
}
/**
* Ensure single instance.
*/
private NullExpressionConverter() {
super();
}
public Expression convert(Expression expression, AST ast) {
return expression;
}
public Expression convert(Expression expression) {
return expression;
}
@Override
public String toString() {
return ObjectTools.toString(this);
}
}
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