java.lang.Object
- uk.ac.starlink.table.StreamStarTableWriter
- - uk.ac.starlink.table.formats.AbstractTextTableWriter
  - - uk.ac.starlink.table.formats.AsciiTableWriter

All Implemented Interfaces:

StarTableWriter
```
public class AsciiTableWriter
extends AbstractTextTableWriter
```
A StarTableWriter which outputs text to a simple format machine-readable text file. This format is suitable for reading using AsciiStarTable and AsciiTableBuilder.

Since:

29 Mar 2004

Author:

Mark Taylor (Starlink)

Constructor Summary

Constructors
Constructor Description

AsciiTableWriter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.String`	`formatValue(java.lang.Object val, ValueInfo vinfo, int width)`	Formats a data value for output.
`java.lang.String`	`getFormatName()`	Returns "ascii".
`int`	`getMaxWidth()`	Returns the maximum width for a given column.
`boolean`	`looksLikeFile(java.lang.String location)`	Returns true for if the location ends with "`.txt`".
`protected void`	`printColumnHeads(java.io.OutputStream strm, int[] colwidths, ColumnInfo[] cinfos)`	Outputs headings for the table columns.
`protected void`	`printLine(java.io.OutputStream strm, int[] colwidths, java.lang.String[] data)`	Outputs a line of table data.
`protected void`	`printParam(java.io.OutputStream strm, java.lang.String name, java.lang.String value, java.lang.Class<?> clazz)`	Outputs a parameter and its value.
`protected void`	`printSeparator(java.io.OutputStream strm, int[] colwidths)`	Outputs a decorative separator line, of the sort you might find between the column headings and the table data.

Methods inherited from class uk.ac.starlink.table.formats.AbstractTextTableWriter
getBytes, getMaximumParameterLength, getMimeType, getMinNameWidth, getSampledRows, getWriteParameters, setWriteParameters, writeStarTable

Methods inherited from class uk.ac.starlink.table.StreamStarTableWriter
writeStarTable

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

- Constructor Detail
  - AsciiTableWriter
```
public AsciiTableWriter()
```
- Method Detail
  - formatValue
```
protected java.lang.String formatValue(java.lang.Object val,
                                       ValueInfo vinfo,
                                       int width)
```
    Description copied from class: AbstractTextTableWriter
    
    Formats a data value for output.
    
    Specified by:
    
    formatValue in class AbstractTextTableWriter
    
    Parameters:
    
    val - the value
    
    vinfo - the metadata object describing val's type
    
    width - maximum preferred width into which the value should be formatted
    
    Returns:
    
    formatted string meaning value, preferably no longer than width characters
  - getFormatName
```
public java.lang.String getFormatName()
```
    Returns "ascii".
    
    Specified by:
    
    getFormatName in interface StarTableWriter
    
    Overrides:
    
    getFormatName in class AbstractTextTableWriter
    
    Returns:
    
    output format
  - looksLikeFile
```
public boolean looksLikeFile(java.lang.String location)
```
    Returns true for if the location ends with ".txt".
    
    Parameters:
    
    location - the location name (probably filename)
    
    Returns:
    
    true iff it looks like a file this writer would normally write
  - getMaxWidth
```
public int getMaxWidth()
```
    Description copied from class: AbstractTextTableWriter
    
    Returns the maximum width for a given column. Values longer than this may be truncated.
    
    Specified by:
    
    getMaxWidth in class AbstractTextTableWriter
    
    Returns:
    
    maximum permitted column width in characters
  - printSeparator
```
protected void printSeparator(java.io.OutputStream strm,
                              int[] colwidths)
```
    Description copied from class: AbstractTextTableWriter
    
    Outputs a decorative separator line, of the sort you might find between the column headings and the table data.
    
    Specified by:
    
    printSeparator in class AbstractTextTableWriter
    
    Parameters:
    
    strm - stream to write into
    
    colwidths - column widths in characters
  - printLine
```
protected void printLine(java.io.OutputStream strm,
                         int[] colwidths,
                         java.lang.String[] data)
                  throws java.io.IOException
```
    Description copied from class: AbstractTextTableWriter
    
    Outputs a line of table data.
    
    Specified by:
    
    printLine in class AbstractTextTableWriter
    
    Parameters:
    
    strm - stream to write into
    
    colwidths - column widths in characters
    
    data - array of strings to be output, one per column
    
    Throws:
    
    java.io.IOException
  - printColumnHeads
```
protected void printColumnHeads(java.io.OutputStream strm,
                                int[] colwidths,
                                ColumnInfo[] cinfos)
                         throws java.io.IOException
```
    Description copied from class: AbstractTextTableWriter
    
    Outputs headings for the table columns.
    
    Specified by:
    
    printColumnHeads in class AbstractTextTableWriter
    
    Parameters:
    
    strm - stream to write into
    
    colwidths - column widths in characters
    
    cinfos - array of column headings
    
    Throws:
    
    java.io.IOException
  - printParam
```
protected void printParam(java.io.OutputStream strm,
                          java.lang.String name,
                          java.lang.String value,
                          java.lang.Class<?> clazz)
                   throws java.io.IOException
```
    Description copied from class: AbstractTextTableWriter
    
    Outputs a parameter and its value.
    
    Specified by:
    
    printParam in class AbstractTextTableWriter
    
    Parameters:
    
    strm - stream to write into
    
    name - parameter name
    
    value - formatted parameter value
    
    clazz - type of value
    
    Throws:
    
    java.io.IOException

Class AsciiTableWriter

Constructor Summary

Method Summary

Methods inherited from class uk.ac.starlink.table.formats.AbstractTextTableWriter

Methods inherited from class uk.ac.starlink.table.StreamStarTableWriter

Methods inherited from class java.lang.Object

Constructor Detail

AsciiTableWriter

Method Detail

formatValue

getFormatName

looksLikeFile

getMaxWidth

printSeparator

printLine

printColumnHeads

printParam