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## org.apache.poi.hssf.usermodel
Class HSSFDataFormat

    java.lang.Object
      org.apache.poi.hssf.usermodel.HSSFDataFormat

All Implemented Interfaces:
  DataFormat

    public final class HSSFDataFormat

extends java.lang.Object
implements DataFormat

Identifies both built-in and user defined formats within a workbook.

See `BuiltinFormats` for a list of supported built-in formats.

International Formats
Since version 2003 Excel has supported international formats. These are denoted with a prefix "[$-xxx]" (where xxx is a 1-7 digit hexadecimal number). See the Microsoft article Creating international number formats for more details on these codes.

Method Summary
`static java.lang.String` | `getBuiltinFormat(short index)` get the format string that matches the given format index
`static short` | `getBuiltinFormat(java.lang.String format)` get the format index that matches the given format string
`static java.util.List<java.lang.String>` | `getBuiltinFormats()`
`java.lang.String` | `getFormat(short index)` get the format string that matches the given format index
`short` | `getFormat(java.lang.String pFormat)` Get the format index that matches the given format string, creating a new format entry if required.
`static int` | `getNumberOfBuiltinBuiltinFormats()` get the number of built-in and reserved builtinFormats

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

### getBuiltinFormats

    public static java.util.List<java.lang.String> getBuiltinFormats()

### getBuiltinFormat

    public static short getBuiltinFormat(java.lang.String format)

  get the format index that matches the given format string

  Automatically converts "text" to excel's format string to represent text.

  Parameters:
    `format` - string matching a built in format
  Returns:
    index of format or -1 if undefined.

### getFormat

    public short getFormat(java.lang.String pFormat)

  Get the format index that matches the given format string, creating a new format entry if required. Aliases text to the proper format as required.

  Specified by:
    `getFormat` in interface `DataFormat`
  Parameters:
    `pFormat` - string matching a built in format
  Returns:
    index of format.

### getFormat

    public java.lang.String getFormat(short index)

  get the format string that matches the given format index

  Specified by:
    `getFormat` in interface `DataFormat`
  Parameters:
    `index` - of a format
  Returns:
    string represented at index of format or null if there is not a format at that index

### getBuiltinFormat

    public static java.lang.String getBuiltinFormat(short index)

  get the format string that matches the given format index

  Parameters:
    `index` - of a built in format
  Returns:
    string represented at index of format or null if there is not a builtin format at that index

### getNumberOfBuiltinBuiltinFormats

    public static int getNumberOfBuiltinBuiltinFormats()

  get the number of built-in and reserved builtinFormats

  Returns:
    number of built-in and reserved builtinFormats

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