| /* |
| * 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.rat; |
| |
| import org.apache.commons.cli.Option; |
| import org.apache.rat.utils.DefaultLog; |
| import org.apache.rat.utils.Log; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| import java.util.function.Consumer; |
| |
| import static java.lang.String.format; |
| |
| /** |
| * Reporting methods for deprecated objects. |
| */ |
| public final class DeprecationReporter { |
| |
| private DeprecationReporter() { |
| // DO NOT INSTANTIATE |
| } |
| /** |
| * Deprecated Command line option consumer. |
| */ |
| |
| public static Consumer<Option> getLogReporter(final Log log) { |
| return o -> { |
| StringBuilder buff = new StringBuilder(); |
| if (o.getOpt() != null) { |
| buff.append("-").append(o.getOpt()); |
| if (o.getLongOpt() != null) { |
| buff.append(", --").append(o.getLongOpt()); |
| } |
| } else { |
| buff.append("--").append(o.getLongOpt()); |
| } |
| log.warn(format("Option [%s] used. %s", buff, o.getDeprecated().toString())); |
| }; |
| } |
| |
| /** |
| * Log Deprecated class use. |
| * @param clazz the Deprecated class to log |
| */ |
| public static void logDeprecated(final Class<?> clazz) { |
| if (clazz.getAnnotation(Deprecated.class) != null) { |
| StringBuilder sb = new StringBuilder(format("Deprecated class used: %s ", clazz)); |
| Info info = clazz.getAnnotation(Info.class); |
| if (info != null) { |
| if (info.forRemoval()) { |
| sb.append(" Scheduled for removal"); |
| if (!info.since().isEmpty()) { |
| sb.append(" since ").append(info.since()); |
| } |
| sb.append("."); |
| } else if (!info.since().isEmpty()) { |
| sb.append(" Deprecated since ").append(info.since()).append("."); |
| } |
| if (!info.use().isEmpty()) { |
| sb.append(" Use ").append(info.use()).append(" instead."); |
| } |
| } |
| DefaultLog.getInstance().warn(sb.toString()); |
| } |
| } |
| |
| /** |
| * Log deprecated options |
| * @param log The log to write to. |
| * @param option potentially deprecated option to log. |
| */ |
| // TODO remove this when commons-cli 1.7.1 or higher is available |
| public static void logDeprecated(final Log log, final Option option) { |
| if (option.isDeprecated()) { |
| getLogReporter(log).accept(option); |
| } |
| } |
| |
| /** |
| * Annotation to provide deprecation information for Java8. |
| * TODO remove this when Java 8 no longer supported. |
| */ |
| @Target(ElementType.TYPE) |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface Info { |
| /** |
| * The common name for the component. If not specified the name of the field or class is used. |
| * @return the component name. |
| */ |
| String since() default ""; |
| |
| /** |
| * The description of the component. |
| * @return the component description. |
| */ |
| boolean forRemoval() default false; |
| /** |
| * The component type |
| * @return the component type. |
| */ |
| String use() default ""; |
| } |
| } |