public T toJavaRepresentation()

in jbatch/src/main/java/org/apache/batchee/container/services/data/DefaultDataRepresentationService.java [88:132]

35 lines of code
10 McCabe index (conditional complexity)


    public <T> T toJavaRepresentation(byte[] internalRepresentation) {
        if (internalRepresentation == null) {
            return null;
        }

        T data = null;
        String stringRep = new String(internalRepresentation, UTF8_CHARSET);

        if (stringRep.startsWith(BATCHEE_DATA_PREFIX)) {
            String dataVal = stringRep.substring(BATCHEE_DATA_PREFIX.length());
            String typeVal = dataVal.substring(0, dataVal.indexOf(BATCHEE_SPLIT_TOKEN));
            String valueVal = dataVal.substring(dataVal.indexOf(BATCHEE_SPLIT_TOKEN) + BATCHEE_SPLIT_TOKEN.length());

            data = convertBackJavaNativeTypes(typeVal, valueVal);
            if (data == null) {
                data = convertBackJava7DateTypes(typeVal, valueVal);
            }
            if (data == null) {
                data = convertBackJava8DateTypes(typeVal, valueVal);
            }
            if (data == null) {
                data = convertBackJodaDateTypes(typeVal, valueVal);
            }
            if (data == null) {
                data = convertBackCustomEnumTypes(typeVal, valueVal);
            }
            if (data == null) {
                data = convertBackCustomTypes(typeVal, valueVal);
            }
        }


        if (data == null) {
            data = convertBackSerializableObjectTypes(internalRepresentation);
        }

        // as last resort we do a simple java deserialisation


        if (data == null) {
            throw new IllegalStateException("Cannot convert back BatchEE data: " + internalRepresentation);
        }

        return data;
    }