@Override
public Object[] extract(T item) {
ExpressionParser parser = new SpelExpressionParser();
EvaluationContext elContext = new CoreMappingEvaluationContext(item);
elContext.getPropertyAccessors().add(new ExtendedAttributePropertyAccessor());
try (InputStream iStream = resource.getInputStream()) {
List<String> expressions = IOUtils.readLines(iStream);
List<Object> fields = Lists.newArrayListWithCapacity(expressions.size());
for (String expression : expressions) {
String value = parser.parseExpression(expression).getValue(elContext, String.class);
if (value != null && value.contains("\"") && !"\"\"".equals(value)) {
value = value.replaceAll("\"", "\"\"");
}
if (value != null && value.contains(",")) {
StringBuilder sb = new StringBuilder(value.length() + 2);
sb.append("\"");
sb.append(value);
sb.append("\"");
value = sb.toString();
}
fields.add(value);
}
return fields.toArray(new Object[fields.size()]);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public List<PropertyAccessor> getPropertyAccessors() {
return delegate.getPropertyAccessors();
}