private T convert()

in src/main/java/com/univocity/parsers/common/record/RecordMetaDataImpl.java [285:353]
61 lines of code
20 McCabe index (conditional complexity)

	private <T> T convert(MetaData md, String[] data, Class<T> type, T defaultValue, Annotation annotation) {
		Object out = md.index < data.length ? data[md.index] : null;

		if (out == null) {
			out = defaultValue == null ? md.defaultValue : defaultValue;
		}

		if (annotation == null) {
			initializeMetadataConversions(data, md);
			out = md.convert(out);

			if (out == null) {
				out = defaultValue == null ? md.defaultValue : defaultValue;
			}
		}

		if (type != null) {
			if (out != null && type.isAssignableFrom(out.getClass())) {
				return (T) out;
			}
			Conversion conversion;
			if (type != String.class) {
				if (annotation == null) {
					conversion = conversionByType.get(type);
					if (conversion == null) {
						conversion = AnnotationHelper.getDefaultConversion(type, null, null);
						conversionByType.put(type, conversion);
					}
				} else {
					Map<Annotation, Conversion> m = conversionsByAnnotation.get(type);
					if (m == null) {
						m = new HashMap<Annotation, Conversion>();
						conversionsByAnnotation.put(type, m);
					}
					conversion = m.get(annotation);
					if (conversion == null) {
						conversion = AnnotationHelper.getConversion(type, annotation);
						m.put(annotation, conversion);
					}
				}

				if (conversion == null) {
					String message = "";
					if (type == Date.class || type == Calendar.class) {
						message = ". Need to specify format for date";
					}
					DataProcessingException exception = new DataProcessingException("Cannot convert '{value}' to " + type.getName() + message);
					exception.setValue(out);
					exception.setErrorContentLength(context.errorContentLength());
					throw exception;


				}
				out = conversion.execute(out);
			}

		}
		if (type == null) {
			return (T) out;
		}
		try {
			return type.cast(out);
		} catch (ClassCastException e) {
			DataProcessingException exception = new DataProcessingException("Cannot cast value '{value}' of type " + out.getClass().toString() + " to " + type.getName());
			exception.setValue(out);
			exception.setErrorContentLength(context.errorContentLength());
			throw exception;
		}
	}