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.camel.language.groovy;
  
  import java.io.LineNumberReader;
  import java.io.StringReader;
  
  import org.codehaus.groovy.control.MultipleCompilationErrorsException;
  import org.codehaus.groovy.control.messages.Message;
  import org.codehaus.groovy.control.messages.SyntaxErrorMessage;
  
  /**
   * Exception when validating groovy scripts.
   */
  public class GroovyValidationException extends Exception {
  
      private final String script;
  
      public GroovyValidationException(String script, Throwable cause) {
          super(cause);
          this.script = script;
      }
  
      public String getScript() {
          return script;
      }
  
      public int getIndex() {
          if (getCause() instanceof MultipleCompilationErrorsException me) {
              Message gm = me.getErrorCollector().getLastError();
              if (gm instanceof SyntaxErrorMessage sem) {
                  LineNumberReader lr = new LineNumberReader(new StringReader(script));
                  int pos = -1;
                  for (int i = 1; i < sem.getCause().getLine(); i++) {
                      try {
                          String line = lr.readLine();
                          pos += line.length() + System.lineSeparator().length();
                      } catch (Exception e) {
                          // ignore
                      }
                  }
                  pos += sem.getCause().getStartColumn();
                  return pos;
              }
          }
          return -1;
      }
  
  }
  