TagUtils.java 文件源码

/**
 * Groups the operations by tag. The key of the Multimap is the tag name.
 * The value of the Multimap is a PathOperation
 *
 * @param allOperations     all operations
 * @param operationOrdering comparator for operations, for a given tag
 * @return Operations grouped by Tag
 */
public static Multimap<String, PathOperation> groupOperationsByTag(List<PathOperation> allOperations, Comparator<PathOperation> operationOrdering) {

    Multimap<String, PathOperation> operationsGroupedByTag;
    if (operationOrdering == null) {
        operationsGroupedByTag = LinkedHashMultimap.create();
    } else {
        operationsGroupedByTag = MultimapBuilder.linkedHashKeys().treeSetValues(operationOrdering).build();
    }
    for (PathOperation operation : allOperations) {
        List<String> tags = operation.getOperation().getTags();

        Validate.notEmpty(tags, "Can't GroupBy.TAGS. Operation '%s' has no tags", operation);
        for (String tag : tags) {
            if (logger.isDebugEnabled()) {
                logger.debug("Added path operation '{}' to tag '{}'", operation, tag);
            }
            operationsGroupedByTag.put(tag, operation);
        }
    }

    return operationsGroupedByTag;
}