001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.http.exception;
014
015import static org.apache.juneau.http.exception.FailedDependency.*;
016
017import java.text.*;
018
019import org.apache.juneau.http.annotation.*;
020
021/**
022 * Exception representing an HTTP 424 (Failed Dependency).
023 *
024 * <p>
025 * The request failed because it depended on another request and that request failed (e.g., a PROPPATCH).
026 */
027@Response(code=CODE, description=MESSAGE)
028public class FailedDependency extends HttpException {
029   private static final long serialVersionUID = 1L;
030
031   /** HTTP status code */
032   public static final int CODE = 424;
033
034   /** Default message */
035   public static final String MESSAGE = "Failed Dependency";
036
037   /**
038    * Constructor.
039    *
040    * @param cause The cause.  Can be <jk>null</jk>.
041    * @param msg The message.  Can be <jk>null</jk>.
042    * @param args Optional {@link MessageFormat}-style arguments in the message.
043    */
044   public FailedDependency(Throwable cause, String msg, Object...args) {
045      super(cause, CODE, msg, args);
046   }
047
048   /**
049    * Constructor.
050    *
051    * @param msg The message.  Can be <jk>null</jk>.
052    */
053   public FailedDependency(String msg) {
054      super(msg);
055      setStatus(CODE);
056   }
057
058   /**
059    * Constructor.
060    */
061   public FailedDependency() {
062      this((Throwable)null, MESSAGE);
063   }
064
065   /**
066    * Constructor.
067    *
068    * @param msg The message.  Can be <jk>null</jk>.
069    * @param args Optional {@link MessageFormat}-style arguments in the message.
070    */
071   public FailedDependency(String msg, Object...args) {
072      this(null, msg, args);
073   }
074
075   /**
076    * Constructor.
077    *
078    * @param cause The cause.  Can be <jk>null</jk>.
079    */
080   public FailedDependency(Throwable cause) {
081      this(cause, null);
082   }
083}