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/*******************************************************************************
* Copyright (c) 2006, 2008 Oracle. 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:
* 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.ASTNode;
import org.eclipse.jdt.core.dom.Expression;
import org.eclipse.jdt.core.dom.Name;
import org.eclipse.jpt.common.core.utility.jdt.ExpressionConverter;
/**
* Convert a name to/from a string representation of a name/identifier
* (e.g. "com.xxx.Foo.VALUE1" or "value").
*/
public final class NameStringExpressionConverter
extends AbstractExpressionConverter<String>
{
private static final ExpressionConverter<String> INSTANCE = new NameStringExpressionConverter();
/**
* Return the singleton.
*/
public static ExpressionConverter<String> instance() {
return INSTANCE;
}
/**
* Ensure single instance.
*/
private NameStringExpressionConverter() {
super();
}
@Override
protected Name convertObject(String string, AST ast) {
return ast.newName(string);
}
@Override
protected String convertExpression(Expression expression) {
switch (expression.getNodeType()) {
case ASTNode.QUALIFIED_NAME:
case ASTNode.SIMPLE_NAME:
return ((Name) expression).getFullyQualifiedName();
default:
return null;
}
}
}
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