| /* |
| * 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.logging.log4j.core.config.plugins.validation.constraints; |
| |
| import org.apache.logging.log4j.core.config.plugins.validation.Constraint; |
| import org.apache.logging.log4j.core.config.plugins.validation.validators.ValidHostValidator; |
| |
| import java.lang.annotation.*; |
| import java.net.InetAddress; |
| |
| /** |
| * Indicates that a plugin attribute must be a valid host. This relies on the same validation rules as |
| * {@link InetAddress#getByName(String)}. |
| * |
| * @since 2.8 |
| */ |
| @Documented |
| @Retention(RetentionPolicy.RUNTIME) |
| @Target({ElementType.FIELD, ElementType.PARAMETER}) |
| @Constraint(ValidHostValidator.class) |
| public @interface ValidHost { |
| |
| /** |
| * The message to be logged if this constraint is violated. This should normally be overridden. |
| */ |
| String message() default "The hostname is invalid"; |
| } |