CLParsingException.java

/*
 * 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;

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;
    }
  }

  public String reason() {
    return mReason + " (" + mElementClass + " at line " + mLineNumber + ")";
  }

  @Override
  public String toString() {
    return "CLParsingException (" + this.hashCode() + ") : " + reason();
  }
}