/*
* Copyright 2008-2011 the original author or authors.
*
* 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 com.nominanuda.dataobject;
/**
* ParseException explains why and where the error occurs in source JSON text.
*
* @author FangYidong<fangyidong@yahoo.com.cn>
*
*/
public class ParseException extends Exception {
private static final long serialVersionUID = -7880698968187728548L;
public static final int ERROR_UNEXPECTED_CHAR = 0;
public static final int ERROR_UNEXPECTED_TOKEN = 1;
public static final int ERROR_UNEXPECTED_EXCEPTION = 2;
private int errorType;
private Object unexpectedObject;
private int position;
public ParseException(int errorType){
this(-1, errorType, null);
}
public ParseException(int errorType, Object unexpectedObject){
this(-1, errorType, unexpectedObject);
}
public ParseException(int position, int errorType, Object unexpectedObject){
this.position = position;
this.errorType = errorType;
this.unexpectedObject = unexpectedObject;
}
public int getErrorType() {
return errorType;
}
public void setErrorType(int errorType) {
this.errorType = errorType;
}
/**
* @see com.nominanuda.dataobject.json.simple.parser.JSONParser#getPosition()
*
* @return The character position (starting with 0) of the input where the error occurs.
*/
public int getPosition() {
return position;
}
public void setPosition(int position) {
this.position = position;
}
/**
* @see com.nominanuda.dataobject.json.simple.parser.Yytoken
*
* @return One of the following base on the value of errorType:
* ERROR_UNEXPECTED_CHAR java.lang.Character
* ERROR_UNEXPECTED_TOKEN org.json.simple.parser.Yytoken
* ERROR_UNEXPECTED_EXCEPTION java.lang.Exception
*/
public Object getUnexpectedObject() {
return unexpectedObject;
}
public void setUnexpectedObject(Object unexpectedObject) {
this.unexpectedObject = unexpectedObject;
}
public String toString(){
StringBuffer sb = new StringBuffer();
switch(errorType){
case ERROR_UNEXPECTED_CHAR:
sb.append("Unexpected character (").append(unexpectedObject).append(") at position ").append(position).append(".");
break;
case ERROR_UNEXPECTED_TOKEN:
sb.append("Unexpected token ").append(unexpectedObject).append(" at position ").append(position).append(".");
break;
case ERROR_UNEXPECTED_EXCEPTION:
sb.append("Unexpected exception at position ").append(position).append(": ").append(unexpectedObject);
break;
default:
sb.append("Unkown error at position ").append(position).append(".");
break;
}
return sb.toString();
}
}