void validateMappings()

in src/main/java/com/univocity/parsers/common/processor/core/BeanConversionProcessor.java [198:236]

35 lines of code
9 McCabe index (conditional complexity)


	void validateMappings() {
		Map<String, FieldMapping> mappedNames = new HashMap<String, FieldMapping>();
		Map<Integer, FieldMapping> mappedIndexes = new HashMap<Integer, FieldMapping>();

		Set<FieldMapping> duplicateNames = new HashSet<FieldMapping>();
		Set<FieldMapping> duplicateIndexes = new HashSet<FieldMapping>();

		for (FieldMapping mapping : parsedFields) {
			String name = mapping.getFieldName();
			int index = mapping.getIndex();

			if (index != -1) {
				if (mappedIndexes.containsKey(index)) {
					duplicateIndexes.add(mapping);
					duplicateIndexes.add(mappedIndexes.get(index));
				} else {
					mappedIndexes.put(index, mapping);
				}
			} else {
				if (mappedNames.containsKey(name)) {
					duplicateNames.add(mapping);
					duplicateNames.add(mappedNames.get(name));
				} else {
					mappedNames.put(name, mapping);
				}
			}
		}

		if (duplicateIndexes.size() > 0 || duplicateNames.size() > 0) {
			StringBuilder msg = new StringBuilder("Conflicting field mappings defined in annotated class: " + this.getBeanClass().getName());
			for (FieldMapping mapping : duplicateIndexes) {
				msg.append("\n\tIndex: '").append(mapping.getIndex()).append("' of  ").append(describeField(mapping.getTarget()));
			}
			for (FieldMapping mapping : duplicateNames) {
				msg.append("\n\tName: '").append(mapping.getFieldName()).append("' of ").append(describeField(mapping.getTarget()));
			}
			throw new DataProcessingException(msg.toString());
		}
	}