| /* |
| * 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.kernel.JDBCStore; |
| import org.apache.openjpa.jdbc.meta.ClassMapping; |
| import org.apache.openjpa.jdbc.sql.SQLBuffer; |
| import org.apache.openjpa.kernel.exps.WildcardMatch; |
| import org.apache.openjpa.lib.util.Localizer; |
| import org.apache.openjpa.util.UserException; |
| |
| /** |
| * Tests if the target matches the wildcard expression given in the |
| * argument. The wildcard '?' is used to represent any single character, |
| * while '*' is used to represent any series of 0 or more characters. |
| * Examples:<br /> |
| * <code>"address.street.ext:wildcardMatch (\"?ain*reet\")"</code> |
| * |
| * @nojavadoc |
| * @deprecated Use <code>matches()</code> instead. |
| */ |
| public class JDBCWildcardMatch |
| extends WildcardMatch |
| implements JDBCFilterListener { |
| |
| private static final Localizer _loc = Localizer.forPackage |
| (JDBCWildcardMatch.class); |
| |
| public void appendTo(SQLBuffer sql, FilterValue target, FilterValue[] args, |
| ClassMapping type, JDBCStore store) { |
| if (!args[0].isConstant()) |
| throw new UserException(_loc.get("const-only", TAG)); |
| |
| Object val = args[0].getValue(); |
| target.appendTo(sql); |
| if (val == null) |
| sql.append(" IS ").appendValue(null); |
| else { |
| // create a DB wildcard string by replacing '*' with '%' and |
| // '?' with '_' |
| String wild = val.toString().replace('*', '%').replace('?', '_'); |
| sql.append(" LIKE ").appendValue(wild); |
| } |
| } |
| } |