Package nom.tam.fits.utilities
Class FitsLineAppender
- java.lang.Object
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- nom.tam.fits.utilities.FitsLineAppender
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public class FitsLineAppender extends java.lang.Object
This class handles the writing of a card line. It keeps track of the position in the line and will limit it to 80 characters. A write will never cross the line border but a write when the line is at position 80 will start a new line.- Author:
- Richard van Nieuwenhoven
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Constructor Summary
Constructors Constructor Description FitsLineAppender()
create a new FitsLineAppender that will have space allocated for one line.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
append(char character)
append a character to the fits line.void
append(java.lang.String string)
append a string to the fits line, but limit the append to the line length.void
append(java.lang.String key, int start, int end)
void
append(FitsSubString stringValue)
Append a sub-string to this line.void
appendReplacing(java.lang.String key, char toReplace, char with)
append a string to the buffer, replacing all occurrences of a character with an other.void
appendSpacesTo(int count)
append a number of spaces to the line, limited to the line length! This will only be done if the line is already started, so attention when a line is still empty this method will have no effect on empty lines.void
completeLine()
fill the rest of current line with spaces and start a new fits line.int
length()
int
spaceLeftInLine()
java.lang.String
toString()
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Method Detail
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append
public void append(char character)
append a character to the fits line.- Parameters:
character
- the character to append to the line.
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append
public void append(FitsSubString stringValue)
Append a sub-string to this line.- Parameters:
stringValue
- the sub string to append.
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append
public void append(java.lang.String string)
append a string to the fits line, but limit the append to the line length. rest of the string will be silently truncated.- Parameters:
string
- the string to append
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appendReplacing
public void appendReplacing(java.lang.String key, char toReplace, char with)
append a string to the buffer, replacing all occurrences of a character with an other.- Parameters:
key
- the string to writetoReplace
- the character to replacewith
- the character to replace the toReplace character with.
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appendSpacesTo
public void appendSpacesTo(int count)
append a number of spaces to the line, limited to the line length! This will only be done if the line is already started, so attention when a line is still empty this method will have no effect on empty lines.- Parameters:
count
- the number of spaces to write.
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completeLine
public void completeLine()
fill the rest of current line with spaces and start a new fits line.
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length
public int length()
- Returns:
- the character position in the current line.
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spaceLeftInLine
public int spaceLeftInLine()
- Returns:
- the number of characters still available in the current fits line.
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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append
public void append(java.lang.String key, int start, int end)
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