infovis.io
Class AbstractWriter

java.lang.Object
  infovis.io.AbstractWriter

Direct Known Subclasses:

AbstractTreeWriter, AbstractXMLWriter, CSVTableWriter, DOTGraphWriter

public abstract class AbstractWriter
extends Object

Abstract base class for Table writers.

Version:

$Revision: 1.8 $

Author:

Jean-Daniel Fekete

Constructor Summary

AbstractWriter(OutputStream out, String name, Table table)
Constructor for AbstractWriter

Method Summary

void	addAllColumnLabels() Adds the name of all the non-internal Columns to the list of written columns.
void	addColumnLabel(String name) Adds the name of a Column to write to the list of written column.
void	flush()
String	getColumnLabelAt(int col) Returns the name of the column to write at a specified index.
ArrayList	getColumnLabels() Returns the ArrayList of column names to write.
String	getEncoding()
String	getName()
OutputStream	getOut()
BufferedWriter	getWriter()
static String	namedType(Column col) Returns a type name from a column.
void	setEncoding(String encoding)
abstract boolean	write() Abstract method that performs the actual writing of data.
void	write(char c) Write one character in the output writer.
void	write(String s) Write a string in the output writer.
void	writeBuffer() Write the StringBuffer in the output writer and clears it.
void	writeln() Write a newline in the ouput writer.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractWriter

public AbstractWriter(OutputStream out,
                      String name,
                      Table table)

Constructor for AbstractWriter

Parameters:

out - the Writer

table - the Table.

Method Detail

getName

public String getName()

namedType

public static String namedType(Column col)

Returns a type name from a column.

Parameters:

col - the column

Returns:

a type name for creating a column of that class.

addColumnLabel

public void addColumnLabel(String name)

Adds the name of a Column to write to the list of written column.

Parameters:

name - the Column name.

addAllColumnLabels

public void addAllColumnLabels()

Adds the name of all the non-internal Columns to the list of written columns.

getColumnLabelAt

public String getColumnLabelAt(int col)

Returns the name of the column to write at a specified index.

Parameters:

col - the index.

Returns:

the name of the column to write at a specified index.

getColumnLabels

public ArrayList getColumnLabels()

Returns the ArrayList of column names to write.

Returns:

the ArrayList of column names to write.

getOut

public OutputStream getOut()

getWriter

public BufferedWriter getWriter()

write

public final void write(char c)
                 throws IOException

Write one character in the output writer.

Parameters:

c - the character.

Throws:

IOException

write

public final void write(String s)
                 throws IOException

Write a string in the output writer.

Parameters:

s - the string.

Throws:

IOException

writeBuffer

public void writeBuffer()
                 throws IOException

Write the StringBuffer in the output writer and clears it.

Throws:

IOException

writeln

public void writeln()
             throws IOException

Write a newline in the ouput writer.

Throws:

IOException

flush

public void flush()
           throws IOException

Throws:

IOException

write

public abstract boolean write()

Abstract method that performs the actual writing of data.

getEncoding

public String getEncoding()

setEncoding

public void setEncoding(String encoding)