package com.connectconnect.cc.jsonparser; /** * 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 org.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 org.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(); } }