content: /*
   * Copyright (C) 2021 The Android Open Source Project
   *
   * Licensed 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 androidx.constraintlayout.core.parser;
  
  @SuppressWarnings("OverrideThrowableToString")
  public class CLParsingException extends Exception {
      private final String mReason;
      private final int mLineNumber;
      private final String mElementClass;
  
      public CLParsingException(String reason, CLElement element) {
          mReason = reason;
          if (element != null) {
              mElementClass = element.getStrClass();
              mLineNumber = element.getLine();
          } else {
              mElementClass = "unknown";
              mLineNumber = 0;
          }
      }
  
      // @TODO: add description
      public String reason() {
          return mReason + " (" + mElementClass + " at line " + mLineNumber + ")";
      }
  
  
      @Override
      public String toString() {
          return "CLParsingException (" + this.hashCode() + ") : " + reason();
      }
  }
  