private IonValueLite load_value_helper()

in src/com/amazon/ion/impl/lite/IonSystemLite.java [324:440]

• 106 lines of code
• 38 McCabe index (conditional complexity)

    private IonValueLite load_value_helper(IonReader reader, boolean isTopLevel)
    {
        boolean symbol_is_present = false;

        IonType t = reader.getType();
        if (t == null) {
            return null;
        }
        IonValueLite v;
        if (reader.isNullValue()) {
            v = newNull(t);
        }
        else {
            switch (t) {
            case BOOL:
                v = newBool(reader.booleanValue());
                break;
            case INT:
                // TODO amzn/ion-java/issues/9  Inefficient since we can't determine the size
                // of the integer in order to avoid making BigIntegers.
                v = newInt(reader.bigIntegerValue());
                break;
            case FLOAT:
                v = newFloat(reader.doubleValue());
                break;
            case DECIMAL:
                v = newDecimal(reader.decimalValue());
                break;
            case TIMESTAMP:
                v = newTimestamp(reader.timestampValue());
                break;
            case SYMBOL:
                v = newSymbol(reader.symbolValue());
                symbol_is_present = true;
                break;
            case STRING:
                v = newString(reader.stringValue());
                break;
            case CLOB:
                v = newClob(reader.newBytes());
                break;
            case BLOB:
                v = newBlob(reader.newBytes());
                break;
            case LIST:
                v = newEmptyList();
                break;
            case SEXP:
                v = newEmptySexp();
                break;
            case STRUCT:
                v = newEmptyStruct();
                break;
            default: throw new IonException("unexpected type encountered reading value: "+t.toString());
            }
        }

        // Forget any incoming SIDs on field names.
        if (!isTopLevel && reader.isInStruct()) {
            SymbolToken token = reader.getFieldNameSymbol();
            String text = token.getText();
            if (text != null && token.getSid() != UNKNOWN_SYMBOL_ID)
            {
                token = newSymbolToken(text, UNKNOWN_SYMBOL_ID);
            }
            v.setFieldNameSymbol(token);
            symbol_is_present = true;
        }

        // Forget any incoming SIDs on annotations.
        // This is a fresh array so we can modify it:
        SymbolToken[] annotations = reader.getTypeAnnotationSymbols();
        if (annotations.length != 0)
        {
            for (int i = 0; i < annotations.length; i++)
            {
                SymbolToken token = annotations[i];
                String text = token.getText();
                if (text != null && token.getSid() != UNKNOWN_SYMBOL_ID )
                {
                    annotations[i] = newSymbolToken(text, UNKNOWN_SYMBOL_ID);
                }
            }
            v.setTypeAnnotationSymbols(annotations);
            symbol_is_present = true;
        }

        if (!reader.isNullValue()) {
            switch (t) {
            case BOOL:
            case INT:
            case FLOAT:
            case DECIMAL:
            case TIMESTAMP:
            case SYMBOL:
            case STRING:
            case CLOB:
            case BLOB:
                break;
            case LIST:
            case SEXP:
            case STRUCT:
                // we have to load the children after we grabbed the
                // fieldname and annotations off of the parent container
                if (load_children((IonContainerLite)v, reader)) {
                    symbol_is_present = true;
                }
                break;
            default:
                throw new IonException("unexpected type encountered reading value: "+t.toString());
            }
        }
        if (symbol_is_present) {
            v._isSymbolPresent(true);
        }
        return v;
    }