Java tutorial
/** * * Copyright 2013 * * Licensed 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. * * @author Kalyan Mulampaka */ package com.edgar.jdbc.codegen; import com.google.common.base.CharMatcher; import com.google.common.base.Strings; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.File; /** * Utility class used in code generation * * @author Kalyan Mulampaka */ public class CodeGenUtil { final static Logger logger = LoggerFactory.getLogger(CodeGenUtil.class); private CodeGenUtil() { } public static boolean checkIfSourceCodeExists(String rootFolderPath, String packageName) throws Exception { boolean exists = false; String path = ""; if (!Strings.isNullOrEmpty(packageName)) { path = CharMatcher.anyOf(".").replaceFrom(packageName, "/"); if (!Strings.isNullOrEmpty(rootFolderPath)) { path = rootFolderPath + "/" + path; } logger.info("Checking if dir structure:{} exists", path); File file = new File(path); if (file.exists() && file.list().length > 0) { logger.debug("Found package structure:{} with {} files", path, file.list().length); exists = true; } else { logger.info("Package structure does not exist:" + path); exists = false; } } return exists; } /** * Creates the package folder structure if already not present * * @param packageName String * @throws Exception */ public static void createPackage(String rootFolderPath, String packageName) throws Exception { String path = ""; if (!Strings.isNullOrEmpty(packageName)) { path = CharMatcher.anyOf(".").replaceFrom(packageName, "/"); if (!Strings.isNullOrEmpty(rootFolderPath)) { path = rootFolderPath + "/" + path; } logger.info("Generated code will be in folder:{}", path); File file = new File(path); if (!file.exists()) { file.mkdirs(); logger.info("Package structure created:" + path); } else { logger.info("Package structure:{} exists.", path); } } } }