private Number readNumber(JsonLexer lexer) throws ParseException {
expectCurrentToken(lexer, NUMBER);
Number num = (Number) lexer.getValue();
lexer.moveNext();
return new BigDecimal(num.toString());
}
private String readString(JsonLexer lexer) throws ParseException {
expectCurrentToken(lexer, STRING);
String str = unescape((String) lexer.getValue());
lexer.moveNext();
return str.toString();
}
private Boolean readBoolean(JsonLexer lexer) throws ParseException {
expectCurrentToken(lexer, BOOLEAN);
Boolean bool = (Boolean) lexer.getValue();
lexer.moveNext();
return bool;
}