infovis.table.io
Class AbstractTableReader

java.lang.Object
  infovis.io.AbstractReader
      infovis.table.io.AbstractTableReader

Direct Known Subclasses:

AbstractGraphReader, AbstractTreeReader, CSVTableReader, HTMLGraphReader

public abstract class AbstractTableReader
extends AbstractReader

Abstract class for loading a table from a textual file.

Version:

$Revision: 1.6 $

Author:

Jean-Daniel Fekete

Constructor Summary

AbstractTableReader(InputStream in, String name, Table table)
Creates a new AbstractTableReader object.

Method Summary

void	close() Closes the reader.
StringBuffer	getBuffer() Returns the buffer.
BufferedReader	getBufferedReader() Returns a BufferedReader associated with this stream, creating it if it does not exist yet.
char	getCommentChar() Returns the commentChar.
String	getField() Returns a string from the current buffer content.
InputStream	getIn() Returns the input InputStream.
Table	getTable() Returns the table.
void	ignoreLine() Ignores all comments line plus one.
boolean	isEof() Returns the eof.
int	read() Read a character.
int	readInt() Read an integer and return it.
String	readLine() Returns a line.
boolean	readQuoted(char quote) Read a field quoted with a specified quote character.
void	setBuffer(StringBuffer buffer) Sets the buffer.
void	setCommentChar(char commentChar) Sets the commentChar.
void	setEof(boolean eof) Sets the eof.
void	setTable(Table table) Sets the table.
void	skipToEol() Skips the rest of the line.

Methods inherited from class infovis.io.AbstractReader

createColumn, getEncoding, getName, guessFieldType, load, setEncoding, setIn, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractTableReader

public AbstractTableReader(InputStream in,
                           String name,
                           Table table)

Creates a new AbstractTableReader object.

Parameters:

in - the BufferedReader

name - a name.

table - the table.

Method Detail

getBufferedReader

public BufferedReader getBufferedReader()

Returns a BufferedReader associated with this stream, creating it if it does not exist yet.

Overrides:

getBufferedReader in class AbstractReader

Returns:

a BufferedReader associated with this stream.

getIn

public InputStream getIn()

Returns the input InputStream.

Overrides:

getIn in class AbstractReader

Returns:

the input InputStream.

close

public void close()
           throws IOException

Closes the reader.

Overrides:

close in class AbstractReader

Throws:

IOException - when the underlying stream does so

read

public final int read()
               throws IOException

Read a character.

Returns:

a character.

Throws:

IOException - pass it.

skipToEol

public void skipToEol()
               throws IOException

Skips the rest of the line.

Throws:

IOException - pass the IOException

ignoreLine

public void ignoreLine()
                throws IOException

Ignores all comments line plus one.

Throws:

IOException - pass it.

readLine

public String readLine()
                throws IOException

Returns a line.

Returns:

a line.

Throws:

IOException - pass it.

readInt

public int readInt()
            throws IOException

Read an integer and return it.

Returns:

an integer.

Throws:

IOException - pass it.

readQuoted

public boolean readQuoted(char quote)
                   throws IOException

Read a field quoted with a specified quote character.

Parameters:

quote - the quote character,

Returns:

true if it ends the line.

Throws:

IOException - pass exception from BufferedReader.

getTable

public Table getTable()

Returns the table.

Returns:

DefaultTable

setTable

public void setTable(Table table)

Sets the table.

Parameters:

table - The table to set

getBuffer

public StringBuffer getBuffer()

Returns the buffer.

Returns:

StringBuffer

setBuffer

public void setBuffer(StringBuffer buffer)

Sets the buffer.

Parameters:

buffer - The buffer to set

getField

public String getField()

Returns a string from the current buffer content.

Returns:

a string from the current buffer content.

isEof

public boolean isEof()

Returns the eof.

Returns:

boolean

setEof

public void setEof(boolean eof)

Sets the eof.

Parameters:

eof - The eof to set

getCommentChar

public char getCommentChar()

Returns the commentChar.

Returns:

char

setCommentChar

public void setCommentChar(char commentChar)

Sets the commentChar.

Parameters:

commentChar - The commentChar to set