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;
014
015import static org.apache.juneau.internal.StringUtils.*;
016
017import java.text.*;
018
019/**
020 * Subclass of runtime exceptions that take in a message and zero or more arguments.
021 */
022public class FormattedRuntimeException extends RuntimeException {
023
024   private static final long serialVersionUID = 1L;
025
026   /**
027    * Constructor.
028    *
029    * @param message The {@link MessageFormat}-style message.
030    * @param args Optional {@link MessageFormat}-style arguments.
031    */
032   public FormattedRuntimeException(String message, Object...args) {
033      super(format(message, args));
034   }
035
036   /**
037    * Constructor.
038    *
039    * @param cause The cause of this exception.
040    * @param message The {@link MessageFormat}-style message.
041    * @param args Optional {@link MessageFormat}-style arguments.
042    */
043   public FormattedRuntimeException(Throwable cause, String message, Object...args) {
044      this(getMessage(cause, message, null), args);
045      initCause(cause);
046   }
047
048   /**
049    * Finds the message.
050    *
051    * @param cause The cause.
052    * @param msg The message.
053    * @param def The default value if both above are <jk>null</jk>.
054    * @return The resolved message.
055    */
056   protected static final String getMessage(Throwable cause, String msg, String def) {
057      if (msg != null)
058         return msg;
059      if (cause != null)
060         return cause.getMessage();
061      return def;
062   }
063}