org.das2.datum.format
Class ExponentialDatumFormatter

java.lang.Object
  org.das2.datum.format.DatumFormatter
      org.das2.datum.format.ExponentialDatumFormatter

public class ExponentialDatumFormatter
extends DatumFormatter

Formats Datums forcing a given exponent and number of decimal places. This is useful for axes where each of the labels should have the same exponent. Zero is treated specially, just "0" is returned. This helps one to quickly identify zero on the axis.

Constructor Summary

ExponentialDatumFormatter(int digits, int exponent)

Method Summary

java.lang.String	format(Datum datum)
java.lang.String	format(Datum datum, Units units)
java.lang.String	grannyFormat(Datum datum) Returns the datum formatted as a String with special formatting characters.
java.lang.String	grannyFormat(Datum datum, Units units) formats the Datum in the context of the units.
java.lang.String	toString()

Methods inherited from class org.das2.datum.format.DatumFormatter

axisFormat

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExponentialDatumFormatter

public ExponentialDatumFormatter(int digits,
                                 int exponent)

Method Detail

format

public java.lang.String format(Datum datum)

Specified by:

format in class DatumFormatter

format

public java.lang.String format(Datum datum,
                               Units units)

Overrides:

format in class DatumFormatter

grannyFormat

public java.lang.String grannyFormat(Datum datum,
                                     Units units)

Description copied from class: DatumFormatter

formats the Datum in the context of the units.

Overrides:

grannyFormat in class DatumFormatter

grannyFormat

public java.lang.String grannyFormat(Datum datum)

Description copied from class: DatumFormatter

Returns the datum formatted as a String with special formatting characters. As with format, this should be out-of-context and should be tagged with the Units. The default implementation just returns the result of DatumFormatter.format(org.das2.datum.Datum)

Overrides:

grannyFormat in class DatumFormatter

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object