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There is a newer version: 0.10.0
package org.jooq.tools.json;

/**
 * ParseException explains why and where the error occurs in source JSON text.
 *
 * @author FangYidong
 *
 */
public class ParseException extends Exception {
    private static final long serialVersionUID = -7880698968187728547L;

    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 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 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;
    }

    @Override
    public String getMessage() {
        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();
    }
}