| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.openjpa.jdbc.kernel.exps; |
| |
| import org.apache.openjpa.jdbc.sql.DBDictionary; |
| import org.apache.openjpa.jdbc.sql.SQLBuffer; |
| import org.apache.openjpa.jdbc.sql.Select; |
| |
| /** |
| * Upper-cases a string. |
| * |
| * @author Abe White |
| */ |
| class ToUpperCase |
| extends StringFunction { |
| |
| /** |
| * Constructor. Provide the string to operate on. |
| */ |
| public ToUpperCase(Val val) { |
| super(val); |
| } |
| |
| public void appendTo(Select sel, ExpContext ctx, ExpState state, |
| SQLBuffer buf, int index) { |
| |
| DBDictionary dict = ctx.store.getDBDictionary(); |
| String func = dict.toUpperCaseFunction; |
| dict.assertSupport(func != null, "ToUpperCaseFunction"); |
| |
| int idx = func.indexOf("{0}"); |
| buf.append(func.substring(0, idx)); |
| getValue().appendTo(sel, ctx, state, buf, index); |
| buf.append(func.substring(idx + 3)); |
| } |
| } |
| |