@return Returns the system time and date as a formatted string.

Returns a time from the given hours, minutes, seconds, and microseconds, given as four separate values. If any input is null, null will be returned.

Returns the time given the number of seconds since midnight. If seconds is null, midnight will be returned. @param seconds since midnight. @return ti

Returns the time, with offsets applied from the base time. hour offset, minute offset, and second offset each given as separate values. The seconds of

Converts a date to long -- unix timestamp in milli-seconds. @param date to be converted to unix timestamp. @return unixtimestamp of the date.

Converts a date to long -- unix timestamp in seconds. @param date to be converted to unix timestamp. @return unixtimestamp of the date.

This constructor should be used when initializing the registry from <tt>Service</tt>. <p><tt>Service</tt> context implements {@link ArtifactManager}

@return Returns the day number of the week from the given date with start of week provided. If date is null, null will be returned. If startOfWeek is

Private constructor to prevent instantiation of this utility class. <p> This class is designed to contain only static utility methods for handling exc

Extracts only year from Date. @param date to extract year from. @return year as integer.

@return Returns the year from the given date. If date is null, null will be returned

@return Returns the day number in the year from the given date. If date is null, null will be returned.

@return Returns the week number in the year from the given date. If date is null, null will be returned.

<code>repeated .tutorial.Person people = 1;</code>

<code>repeated .tutorial.Person.PhoneNumber phones = 4;</code>

Adds a data model to workspace. There is a one-to-one mapping between workspaces and models. @param request Handler for incoming request. @param resp

Adds a model to the workspace. There is a one-to-one mapping between workspace and model. In addition, the model must be a member of the data model as

<code>repeated .tutorial.Person people = 1;</code>

<code>repeated .tutorial.Person.PhoneNumber phones = 4;</code>

Aggregates statistics for all the rows. @param rows to be aggregated. @return Summary in the form of {@link Row}

This HTTP endpoint is used to retrieve artifacts that include plugins of type <code>Directive.Type</code> (directive). Artifact will be reported if it

Returns a fully constructed and valid <code>RecipeSymbol</code> object. @return An instance of <code>RecipeSymbol</code>

@return a instance of <code>UsageDefinition</code> object.

Generates the capability matrix, with versions and build number. @param request Handler for incoming request. @param responder Responder for data goi

Extracts the charsets supported. @param request to gather information of the request. @param responder to respond to the service request.