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.common.internal.StringUtils.*;
016
017import java.text.*;
018
019/**
020 * An extension of {@link AssertionError} with helper constructors for messages with message-style arguments.
021 *
022 * <h5 class='section'>See Also:</h5><ul>
023 * </ul>
024 *
025 * @serial exclude
026 */
027public class BasicAssertionError extends AssertionError {
028
029   private static final long serialVersionUID = 1L;
030
031   /**
032    * Constructor.
033    *
034    * @param message The {@link MessageFormat}-style message.
035    * @param args Optional {@link MessageFormat}-style arguments.
036    */
037   public BasicAssertionError(String message, Object...args) {
038      super(format(message, args));
039   }
040
041   /**
042    * Constructor.
043    *
044    * @param cause The cause of this exception.
045    * @param message The {@link MessageFormat}-style message.
046    * @param args Optional {@link MessageFormat}-style arguments.
047    */
048   public BasicAssertionError(Throwable cause, String message, Object...args) {
049      this(getMessage(cause, message, null), args);
050      initCause(cause);
051   }
052
053   /**
054    * Finds the message.
055    *
056    * @param cause The cause.
057    * @param msg The message.
058    * @param def The default value if both above are <jk>null</jk>.
059    * @return The resolved message.
060    */
061   protected static final String getMessage(Throwable cause, String msg, String def) {
062      if (msg != null)
063         return msg;
064      if (cause != null)
065         return cause.getMessage();
066      return def;
067   }
068}