Java tutorial
/** * The MIT License (MIT) * * Copyright (c) 2011-2016 Incapture Technologies LLC * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package rapture.structured; import org.apache.commons.lang3.StringUtils; public class DefaultValidator implements Validator { @Override public boolean isTableValid(String table) { return isValid(table); } @Override public boolean isColumnValid(String column) { return isValid(column); } @Override public boolean isCursorCountValid(int count) { return count > 0; } /** * Do not allow the '.' character in columns or tables, which is standard sql * * @param s * @return */ private boolean isValid(String s) { return !StringUtils.isBlank(s) && !StringUtils.containsAny(s, "."); } }