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/*******************************************************************************
* Copyright (c) 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.Expression;
import org.eclipse.jdt.core.dom.PrimitiveType;
import org.eclipse.jdt.core.dom.TypeLiteral;
import org.eclipse.jpt.common.core.utility.jdt.ExpressionConverter;
/**
* Convert a type literal to/from a string representation of a
* simple type (e.g. "java.lang.Object") or primitive type (e.g. "int").
*/
public final class TypeStringExpressionConverter
extends AbstractExpressionConverter<String>
{
private static final ExpressionConverter<String> INSTANCE = new TypeStringExpressionConverter();
/**
* Return the singleton.
*/
public static ExpressionConverter<String> instance() {
return INSTANCE;
}
/**
* Ensure single instance.
*/
private TypeStringExpressionConverter() {
super();
}
@Override
protected TypeLiteral convertObject(String string, AST ast) {
if (PrimitiveType.toCode(string) != null) {
return (TypeLiteral) PrimitiveTypeStringExpressionConverter.instance().convert(string, ast);
}
return (TypeLiteral) SimpleTypeStringExpressionConverter.instance().convert(string, ast);
}
@Override
protected String convertExpression(Expression expression) {
String name = SimpleTypeStringExpressionConverter.instance().convert(expression);
return name != null ? name : PrimitiveTypeStringExpressionConverter.instance().convert(expression);
}
}
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