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 java.text.*;
016
017/**
018 * An exception that typically occurs when trying to perform an invalid operation on a configuration property.
019 *
020 * <h5 class='section'>See Also:</h5><ul>
021 * </ul>
022 *
023 * @serial exclude
024 */
025public class ConfigException extends BasicRuntimeException {
026   private static final long serialVersionUID = 1L;
027
028   /**
029    * Constructor.
030    *
031    * @param cause The cause of this exception.
032    * @param message The {@link MessageFormat}-style message.
033    * @param args Optional {@link MessageFormat}-style arguments.
034    */
035   public ConfigException(Throwable cause, String message, Object... args) {
036      super(cause, message, args);
037   }
038
039   /**
040    * Constructor
041    *
042    * @param message The error message.
043    * @param args Optional {@link MessageFormat}-style arguments.
044    */
045   public ConfigException(String message, Object...args) {
046      this(null, message, args);
047   }
048
049   @Override
050   public String getMessage() {
051      Throwable t = getCause();
052      if (t == null)
053         return super.getMessage();
054      StringBuilder sb = new StringBuilder(super.getMessage());
055      while (t != null) {
056         sb.append("  ").append(t.getMessage());
057         t = t.getCause();
058      }
059      return sb.toString();
060   }
061}