| /* |
| * 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.seatunnel.datasource.configuration.util; |
| |
| import org.apache.seatunnel.datasource.configuration.Option; |
| |
| import com.fasterxml.jackson.core.type.TypeReference; |
| import org.apache.commons.lang3.StringUtils; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class OptionUtil { |
| |
| private OptionUtil() { |
| } |
| |
| public static String getOptionKeys(List<Option<?>> options) { |
| StringBuilder builder = new StringBuilder(); |
| boolean flag = false; |
| for (Option<?> option : options) { |
| if (flag) { |
| builder.append(", "); |
| } |
| builder.append("'") |
| .append(option.key()) |
| .append("'"); |
| flag = true; |
| } |
| return builder.toString(); |
| } |
| |
| public static String getOptionKeys(List<Option<?>> options, |
| List<RequiredOption.BundledRequiredOptions> bundledOptions) { |
| List<List<Option<?>>> optionList = new ArrayList<>(); |
| for (Option<?> option : options) { |
| optionList.add(Collections.singletonList(option)); |
| } |
| for (RequiredOption.BundledRequiredOptions bundledOption : bundledOptions) { |
| optionList.add(bundledOption.getRequiredOption()); |
| } |
| boolean flag = false; |
| StringBuilder builder = new StringBuilder(); |
| for (List<Option<?>> optionSet : optionList) { |
| if (flag) { |
| builder.append(", "); |
| } |
| builder.append("[") |
| .append(getOptionKeys(optionSet)) |
| .append("]"); |
| flag = true; |
| } |
| return builder.toString(); |
| } |
| |
| public static List<Option<?>> getOptions(Class<?> clazz) throws InstantiationException, IllegalAccessException { |
| Field[] fields = clazz.getDeclaredFields(); |
| List<Option<?>> options = new ArrayList<>(); |
| Object object = clazz.newInstance(); |
| for (Field field : fields) { |
| field.setAccessible(true); |
| OptionMark option = field.getAnnotation(OptionMark.class); |
| if (option != null) { |
| options.add(new Option<>( |
| !StringUtils.isNotBlank(option.name()) ? formatUnderScoreCase(field.getName()) : option.name(), |
| new TypeReference<Object>() { |
| @Override |
| public Type getType() { |
| return field.getType(); |
| } |
| }, field.get(object)).withDescription(option.description())); |
| } |
| } |
| return options; |
| } |
| |
| private static String formatUnderScoreCase(String camel) { |
| StringBuilder underScore = new StringBuilder(String.valueOf(Character.toLowerCase(camel.charAt(0)))); |
| for (int i = 1; i < camel.length(); i++) { |
| char c = camel.charAt(i); |
| underScore.append(Character.isLowerCase(c) ? c : "_" + Character.toLowerCase(c)); |
| } |
| return underScore.toString(); |
| } |
| } |