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com.jgoodies.validation.tutorial.formatted.format
Class DisplayFormat  

java.lang.Object
  java.text.Format
      com.jgoodies.validation.tutorial.formatted.format.DisplayFormat

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

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public final class DisplayFormat

extends java.text.Format

Wraps a given Format and overrides that null values are formatted to the empty string.

Examples:

 new DisplayFormat(DateFormat.getDateInstance());
 new DisplayFormat(new NumberFormat());
 new DisplayFormat(new NumberFormat(), true);
 

Version:

$Revision: 1.4 $

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Nested Class Summary

 

Nested classes inherited from class java.text.Format

java.text.Format.Field

 

Field Summary
private  java.text.Format	delegate           Refers to the wrapped Format that is used to forward #format.
private  boolean	showClass           Describes whether the value's class is part of formatted output.

 

Fields inherited from class java.text.Format

 

Constructor Summary

DisplayFormat(java.text.Format format)           Constructs an EmptyFormat that wraps the given format to convert null to the empty string and vice versa.

DisplayFormat(java.text.Format format, boolean showClass)           Constructs an EmptyFormat that wraps the given format to convert null to the empty string and vice versa.

 

Method Summary
java.lang.StringBuffer	format(java.lang.Object obj, java.lang.StringBuffer toAppendTo, java.text.FieldPosition pos)           Formats an object and appends the resulting text to a given string buffer.
java.lang.Object	parseObject(java.lang.String source, java.text.ParsePosition pos)           Parses text from a string to produce an object.
private  java.lang.String	shortClassName(java.lang.Object object)

 

Methods inherited from class java.text.Format

clone, format, formatToCharacterIterator, parseObject

 

Methods inherited from class java.lang.Object

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

 

Field Detail

delegate

private final java.text.Format delegate

Refers to the wrapped Format that is used to forward #format.

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showClass

private final boolean showClass

Describes whether the value's class is part of formatted output.

Constructor Detail

DisplayFormat

public DisplayFormat(java.text.Format format)

Constructs an EmptyFormat that wraps the given format to convert null to the empty string and vice versa.

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DisplayFormat

public DisplayFormat(java.text.Format format,
                     boolean showClass)

Constructs an EmptyFormat that wraps the given format to convert null to the empty string and vice versa.

Method Detail

format

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

Formats an object and appends the resulting text to a given string buffer. If the pos argument identifies a field used by the format, then its indices are set to the beginning and end of the first such field encountered.

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shortClassName

private java.lang.String shortClassName(java.lang.Object object)

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parseObject

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

Parses text from a string to produce an object.

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