content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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 org.apache.causeway.viewer.wicket.ui.errors;
  
  import java.io.Serializable;
  
  public record StackTraceDetail(
          Type type,
          String line) implements Serializable {
  
      enum Type {
          EXCEPTION_CLASS_NAME,
          EXCEPTION_MESSAGE,
          STACKTRACE_ELEMENT,
          LITERAL
      }
  
      public static StackTraceDetail exceptionClassName(final Throwable cause) {
          return new StackTraceDetail(StackTraceDetail.Type.EXCEPTION_CLASS_NAME, cause.getClass().getName());
      }
  
      public static StackTraceDetail exceptionMessage(final Throwable cause) {
          return new StackTraceDetail(StackTraceDetail.Type.EXCEPTION_MESSAGE, cause.getMessage());
      }
  
      public static StackTraceDetail element(final StackTraceElement el) {
          var buf = new StringBuilder();
          buf.append("    ")
              .append(el.getClassName())
              .append("#")
              .append(el.getMethodName())
              .append("(")
              .append(el.getFileName())
              .append(":")
              .append(el.getLineNumber())
              .append(")\n");
  
          return new StackTraceDetail(StackTraceDetail.Type.STACKTRACE_ELEMENT, buf.toString());
      }
  
      public static StackTraceDetail spacer() {
          return new StackTraceDetail(Type.LITERAL, "");
      }
  
      public static StackTraceDetail causedBy() {
          return new StackTraceDetail(Type.LITERAL, "Caused by:");
      }
  
  }