/**
* 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.simple.types;
import org.apache.camel.ExpressionIllegalSyntaxException;
/**
* Syntax error in the simple language expression.
*/
public class SimpleIllegalSyntaxException extends ExpressionIllegalSyntaxException {
private static final long serialVersionUID = 1L;
private final int index;
private final String message;
public SimpleIllegalSyntaxException(String expression, int index, String message) {
super(expression);
this.index = index;
this.message = message;
}
public SimpleIllegalSyntaxException(String expression, int index, String message, Throwable cause) {
super(expression, cause);
this.index = index;
this.message = message;
}
/**
* Index where the parsing error occurred
*
* @return index of the parsing error in the input, returns <tt>-1</tt> if the cause of the problem
* is not applicable to specific index in the input
*/
public int getIndex() {
return index;
}
/**
* Gets a short error message.
*/
public String getShortMessage() {
if (message == null) {
return "[null]";
}
return message;
}
@Override
public String getMessage() {
if (message == null) {
return "[null]";
}
StringBuilder sb = new StringBuilder(message);
if (index > -1) {
sb.append(" at location ").append(index);
// create a nice looking message with indicator where the problem is
sb.append("\n").append(getExpression()).append("\n");
for (int i = 0; i < index; i++) {
sb.append(" ");
}
sb.append("*\n");
}
return sb.toString();
}
}