| /******************************************************************************* |
| * 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 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.utility.jdt; |
| |
| import org.eclipse.jdt.core.dom.AST; |
| import org.eclipse.jdt.core.dom.Expression; |
| |
| /** |
| * Define the protocol for converting an AST expression back and forth |
| * from an arbitrary type (e.g. StringLiteral <=> String). |
| * <p> |
| * This interface is not intended to be implemented by clients. |
| * <p> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| * |
| * @param <T> the type of the object to be converted to and from an expression |
| */ |
| public interface ExpressionConverter<T> { |
| |
| /** |
| * Convert the specified object to an |
| * expression that is owned by the specified AST. |
| * The type of the object is determined by the |
| * contract specified by the client. |
| */ |
| Expression convert(T object, AST ast); |
| |
| /** |
| * Convert the specified expression to an object of some |
| * pre-determined type. |
| */ |
| T convert(Expression expression); |
| } |
