Package org.jf.util

Class TwoColumnOutput

java.lang.Object

org.jf.util.TwoColumnOutput

public final class TwoColumnOutput
extends Object

Class that takes a combined output destination and provides two output writers, one of which ends up writing to the left column and one which goes on the right.

Field Summary

Fields

Modifier and Type	Field	Description
private String[]	leftLines
private final int	leftWidth	> 0; the left column width
private final Writer	out	non-null; underlying writer for final output
private String[]	rightLines
private final int	rightWidth
private final String	spacer

Constructor Summary

Constructors

Constructor	Description
TwoColumnOutput(OutputStream out, int leftWidth, int rightWidth, String spacer)	Constructs an instance.
TwoColumnOutput(Writer out, int leftWidth, int rightWidth, String spacer)	Constructs an instance.

Method Summary

Modifier and Type	Method	Description
void	write(String left, String right)
private static void	writeSpaces(Writer out, int amt)	Writes the given number of spaces to the given writer.

Methods inherited from class java.lang.Object

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

Field Details

out

private final Writer out

non-null; underlying writer for final output

leftWidth

private final int leftWidth

> 0; the left column width

rightWidth

private final int rightWidth

spacer

private final String spacer

leftLines

private String[] leftLines

rightLines

private String[] rightLines

Constructor Details

TwoColumnOutput

public TwoColumnOutput(@Nonnull
 Writer out,
 int leftWidth,
 int rightWidth,
 @Nonnull
 String spacer)

Constructs an instance.

Parameters:

out - non-null; writer to send final output to

leftWidth - > 0; width of the left column, in characters

rightWidth - > 0; width of the right column, in characters

spacer - non-null; spacer string to sit between the two columns

TwoColumnOutput

public TwoColumnOutput(OutputStream out,
 int leftWidth,
 int rightWidth,
 String spacer)

Constructs an instance.

Parameters:

out - non-null; stream to send final output to

leftWidth - >= 1; width of the left column, in characters

rightWidth - >= 1; width of the right column, in characters

spacer - non-null; spacer string to sit between the two columns

Method Details

write

public void write(String left,
 String right)
           throws IOException

Throws:

IOException

writeSpaces

private static void writeSpaces(Writer out,
 int amt)
                         throws IOException

Writes the given number of spaces to the given writer.

Parameters:

out - non-null; where to write

amt - >= 0; the number of spaces to write

Throws:

IOException