DataHandler (Starjava TTOOLS API)

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java.lang.Object
- uk.ac.starlink.ttools.votlint.ElementHandler
- - uk.ac.starlink.ttools.votlint.DataHandler

```
public class DataHandler
extends ElementHandler
```
Element handler for DATA elements.

Since:

7 Apr 2005

Author:

Mark Taylor (Starlink)

Constructor Summary

Constructors
Constructor Description

DataHandler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getColumnCount()`	Returns the number of columns in this DATA's table.
`FieldHandler`	`getField(int icol)`	Returns the FieldHandler object for a given column.
`void`	`startElement()`	Called after the attributes have been set and checked.

Methods inherited from class uk.ac.starlink.ttools.votlint.ElementHandler
characters, configure, endElement, error, getAncestry, getAttribute, getContext, getName, getRef, info, registerChildName, setAncestry, setAttributes, toString, warning

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

- Constructor Detail
  - DataHandler
```
public DataHandler()
```
- Method Detail
  - startElement
```
public void startElement()
```
    Description copied from class: ElementHandler
    
    Called after the attributes have been set and checked. The default implementation does nothing.
    
    Overrides:
    
    startElement in class ElementHandler
  - getField
```
public FieldHandler getField(int icol)
```
    Returns the FieldHandler object for a given column.
    
    Parameters:
    
    icol - column index
    
    Returns:
    
    field handler for column icol, or null if that column doesn't exist
  - getColumnCount
```
public int getColumnCount()
```
    Returns the number of columns in this DATA's table.
    
    Returns:
    
    column count

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