TagsProcessor

Description

The TagsProcessor class allows you to extract and process search tags from objects.

Important points

• The search tags can be kept individually or embedded as hash tags inside text. E.g. “This text has #hash_tag that can be used for search.”

Static methods

compressTagList

Compresses a comma-separated list of tags.

public static List compressTagList(String tagList)

• tagList: String - comma-separated list of tags to compress.
• returns: List - list with compressed tags.

compressTags

Compresses a list of tags.

public static List compressTags(List tags)

• tags: List - tag to compress.
• returns: List - list of compressed tags.

equalTags

Compares two tags using their compressed form.

public static Boolean equalTags(String tag1, String tag2)

• tag1: String - first tag.
• tag2: String - second tag.
• returns: Boolean - true if the tags are equal and false otherwise.

extractHashTags

Extracts hash tags from a text.

public static List extractHashTags(String text)

• text: String - text that contains hash tags
• returns: List - list with extracted and compressed tags.

extractHashTagsFromValue

Extracts hash tags from selected fields in an object.

public static List extractHashTagsFromValue(Object obj, List searchFields)

• obj: Object - object which contains hash tags.
• searchFields: List - list of fields in the objects where to extract tags
• returns: List - list of extracted and compressed tags.

normalizeTag

Normalizes a tag by replacing special symbols like ‘_’ and ‘#’ with spaces. When tags are normalized, they are presented in similar shape and form.

public static List normalizeTags(List tags)

• tag: List - tag to normalize.
• returns: List - normalized tag.

normalizeTagList

Normalizes a comma-separated list of tags.

public static List normalizeTagList(String tagList)

• tagList: String - comma-separated list of tags to normalize.
• returns: List - list with normalized tags.

normalizeTags

Normalizes a list of tags.

public static List normalizeTags(List tags)

• tags: List - tags to normalize.
• returns: List - list with normalized tags.