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.kernel.cache.config; import java.util.ArrayList; import java.util.List; import org.apache.commons.lang3.StringUtils; /** * @author bardhi * @since 3/9/15. */ public class FormatHelper { public int getNumExpected(String standardTemplate) { return StringUtils.countMatches(standardTemplate, "%s"); } /** * If we expect more args than we have, return a new list with empty args to make up for more args. Else, return current list. * * @param numExpected * @param args */ public List<String> padExtras(int numExpected, List<String> args) { List<String> list = new ArrayList<>(numExpected); for (String arg : args) { list.add(arg); } for (int i = args.size(); i < numExpected; i++) { list.add(""); } return list; } /** * Some standard templates have no placeholders, e.g. USING MONGODB "". Fill in a Java-friendly %s in there. * @param standardTemplate * @return */ public String fillInPlaceholders(String standardTemplate) { return standardTemplate.replaceAll("\"\"", "\"%s\""); } }