java.lang.Object
- org.orekit.files.spice.binary.daf.generic.DAFConstants

```
public final class DAFConstants
extends Object
```
Constants used for DAF file parsing and writing.

Since:

14.0

Author:

Rafael Ayala

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`BIG_ENDIAN_STRING`	Big endian string.
`static int`	`BUFFER_SIZE`	Buffer size for parsing DAF files.
`static int`	`COMMENT_RECORD_MAX_CHARS`	Maximum number of characters in a comment record.
`static int`	`DESCRIPTION_LENGTH`	Maximum number of characters in description.
`static int`	`DOUBLE_SIZE_BYTES`	Each double is 8 bytes.
`static int`	`DOUBLES_PER_RECORD`	Number of doubles per record (128 = 1024 / 8).
`static int`	`ENDIAN_STRING_LENGTH`	Number of characters in endian string.
`static byte`	`EOT_ASCII`	ASCII code for EOT character.
`static Pattern`	`FILE_TYPE_PATTERN`	Pattern for validating DAF file type string format.
`static int`	`FTP_STRING_LENGTH`	Number of characters in the FTP string.
`static int`	`FTP_STRING_OFFSET`	Byte offset for FTP string.
`static String`	`FTPSTR`	Standard valid FTPSTR for integrity checking.
`static int`	`INT_SIZE_BYTES`	Each int is 4 bytes.
`static String`	`LITTLE_ENDIAN_STRING`	Little endian string.
`static byte`	`NULL_ASCII`	ASCII code for null character.
`static int`	`RECORD_LENGTH_BYTES`	Each DAF record is 1024 bytes.
`static byte`	`SPACE_ASCII`	ASCII code for space character.
`static int`	`SUMMARY_RECORD_CONTROL_WORDS`	Number of control words stored at the beginning of each summary record.
`static int`	`SUMMARY_RECORD_MAX_SUMMARY_DOUBLES`	Maximum number of summary doubles that could be stored in a summary record.
`static int`	`TYPE_STRING_LENGTH`	Maximum number of characters in type string.

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

- Field Detail
  - RECORD_LENGTH_BYTES
```
public static final int RECORD_LENGTH_BYTES
```
    Each DAF record is 1024 bytes.
    
    See Also:
    
    Constant Field Values
  - DOUBLE_SIZE_BYTES
```
public static final int DOUBLE_SIZE_BYTES
```
    Each double is 8 bytes.
    
    See Also:
    
    Constant Field Values
  - INT_SIZE_BYTES
```
public static final int INT_SIZE_BYTES
```
    Each int is 4 bytes.
    
    See Also:
    
    Constant Field Values
  - DOUBLES_PER_RECORD
```
public static final int DOUBLES_PER_RECORD
```
    Number of doubles per record (128 = 1024 / 8).
    
    See Also:
    
    Constant Field Values
  - SUMMARY_RECORD_CONTROL_WORDS
```
public static final int SUMMARY_RECORD_CONTROL_WORDS
```
    Number of control words stored at the beginning of each summary record. Note that even though these are integers, they are stored as doubles.
    
    See Also:
    
    Constant Field Values
  - SUMMARY_RECORD_MAX_SUMMARY_DOUBLES
```
public static final int SUMMARY_RECORD_MAX_SUMMARY_DOUBLES
```
    Maximum number of summary doubles that could be stored in a summary record. This is calculated as DOUBLES_PER_RECORD minus SUMMARY_RECORD_CONTROL_WORDS.
    
    See Also:
    
    Constant Field Values
  - COMMENT_RECORD_MAX_CHARS
```
public static final int COMMENT_RECORD_MAX_CHARS
```
    Maximum number of characters in a comment record.
    
    See Also:
    
    Constant Field Values
  - TYPE_STRING_LENGTH
```
public static final int TYPE_STRING_LENGTH
```
    Maximum number of characters in type string. This is LOCIDW_MAX_CHARS in SPICE docs.
    
    See Also:
    
    Constant Field Values
  - ENDIAN_STRING_LENGTH
```
public static final int ENDIAN_STRING_LENGTH
```
    Number of characters in endian string.
    
    See Also:
    
    Constant Field Values
  - DESCRIPTION_LENGTH
```
public static final int DESCRIPTION_LENGTH
```
    Maximum number of characters in description. This is LOCIFN_MAX_CHARS in SPICE docs.
    
    See Also:
    
    Constant Field Values
  - FTP_STRING_OFFSET
```
public static final int FTP_STRING_OFFSET
```
    Byte offset for FTP string.
    
    See Also:
    
    Constant Field Values
  - FTPSTR
```
public static final String FTPSTR
```
    Standard valid FTPSTR for integrity checking.
    
    See Also:
    
    Constant Field Values
  - FTP_STRING_LENGTH
```
public static final int FTP_STRING_LENGTH
```
    Number of characters in the FTP string.
    
    See Also:
    
    Constant Field Values
  - LITTLE_ENDIAN_STRING
```
public static final String LITTLE_ENDIAN_STRING
```
    Little endian string.
    
    See Also:
    
    Constant Field Values
  - BIG_ENDIAN_STRING
```
public static final String BIG_ENDIAN_STRING
```
    Big endian string.
    
    See Also:
    
    Constant Field Values
  - FILE_TYPE_PATTERN
```
public static final Pattern FILE_TYPE_PATTERN
```
    Pattern for validating DAF file type string format. File type should be "DAF/" followed by 0 to 4 characters.
  - BUFFER_SIZE
```
public static final int BUFFER_SIZE
```
    Buffer size for parsing DAF files.
    
    See Also:
    
    Constant Field Values
  - NULL_ASCII
```
public static final byte NULL_ASCII
```
    ASCII code for null character.
    
    See Also:
    
    Constant Field Values
  - EOT_ASCII
```
public static final byte EOT_ASCII
```
    ASCII code for EOT character.
    
    See Also:
    
    Constant Field Values
  - SPACE_ASCII
```
public static final byte SPACE_ASCII
```
    ASCII code for space character.
    
    See Also:
    
    Constant Field Values

Class DAFConstants

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

RECORD_LENGTH_BYTES

DOUBLE_SIZE_BYTES

INT_SIZE_BYTES

DOUBLES_PER_RECORD

SUMMARY_RECORD_CONTROL_WORDS

SUMMARY_RECORD_MAX_SUMMARY_DOUBLES

COMMENT_RECORD_MAX_CHARS

TYPE_STRING_LENGTH

ENDIAN_STRING_LENGTH

DESCRIPTION_LENGTH

FTP_STRING_OFFSET

FTPSTR

FTP_STRING_LENGTH

LITTLE_ENDIAN_STRING

BIG_ENDIAN_STRING

FILE_TYPE_PATTERN

BUFFER_SIZE

NULL_ASCII

EOT_ASCII

SPACE_ASCII