| /******************************************************************************* |
| * Copyright (c) 2009, 2011 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.jpa.db.internal.driver; |
| |
| import org.eclipse.jpt.common.utility.internal.StringTools; |
| |
| /** |
| * Fold <em>regular</em> identifiers to lower case. |
| */ |
| class LowerCaseFoldingStrategy |
| implements FoldingStrategy |
| { |
| // singleton |
| private static final FoldingStrategy INSTANCE = new LowerCaseFoldingStrategy(); |
| |
| /** |
| * Return the singleton. |
| */ |
| static FoldingStrategy instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private LowerCaseFoldingStrategy() { |
| super(); |
| } |
| |
| public String fold(String identifier) { |
| return identifier.toLowerCase(); |
| } |
| |
| public boolean nameIsFolded(String name) { |
| return StringTools.stringIsLowercase(name); |
| } |
| |
| @Override |
| public String toString() { |
| return this.getClass().getSimpleName(); |
| } |
| } |