org.epics.pvmanager.data
Class ValueFormat

java.lang.Object
  java.text.Format
      org.epics.pvmanager.data.ValueFormat

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

SimpleValueFormat

public abstract class ValueFormat
extends java.text.Format

Formats a data type to a String representation. This class provide default implementations that can format scalars and arrays to an arbitrary precision and a maximum number of array elements.

Author:

carcassi

See Also:

Serialized Form

ValueFormat

public ValueFormat()

format

public java.lang.StringBuffer format(java.lang.Object data,
                                     java.lang.StringBuffer toAppendTo,
                                     java.text.FieldPosition pos)

Formats the given data object. For scalars and arrays redirects to the appropriate methods. For anything else uses Object.toString().

Specified by:

format in class java.text.Format

Parameters:

data - data object to format

Returns:

a String representation

format

public java.lang.String format(Scalar scalar)

Formats an scalar.

Parameters:

scalar - data object to format

Returns:

a String representation

format

public java.lang.String format(Array<?> array)

Formats an array.

Parameters:

array - data object to format

Returns:

a String representation

format

protected abstract java.lang.StringBuffer format(Scalar scalar,
                                                 java.lang.StringBuffer toAppendTo,
                                                 java.text.FieldPosition pos)

Formats a scalar.

Parameters:

scalar - data object to format

toAppendTo - output buffer

pos - the field position

Returns:

the output buffer

format

protected abstract java.lang.StringBuffer format(Array<?> array,
                                                 java.lang.StringBuffer toAppendTo,
                                                 java.text.FieldPosition pos)

Formats an array.

Parameters:

array - data object to format

toAppendTo - output buffer

pos - the field position

Returns:

the output buffer

getNumberFormat

public java.text.NumberFormat getNumberFormat()

Returns the NumberFormat used to format the numeric values. If null, it will use the NumberFormat from the value Display.

Returns:

a NumberFormat

setNumberFormat

public void setNumberFormat(java.text.NumberFormat numberFormat)

Changes the NumberFormat used to format the numeric values. If null, it will use the NumberFormat from the value Display.

Parameters:

numberFormat - a NumberFormat

parseObject

public java.lang.Object parseObject(java.lang.String source,
                                    java.text.ParsePosition pos)

Specified by:

parseObject in class java.text.Format