uk.ac.ebi.adfconverter.common.tools.file.reader
Interface DataReader

All Known Implementing Classes:
PlainTextDataFileReader, WorkBookFileReaderjxl

public interface DataReader

Interface for all file format classes used in reading data

Version:
1 ADF MAGE-TOOL - MicroArray Informatics Team / European Bioinformatics Institute (EBI) ArrayExpress License: ============================================================================== Copyright (c) 2002 The European Bioinformatics Institute. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. The name ArrayExpress must not be used to endorse or promote products derived from this software without prior written permission. For written permission, please contact arrayexpress@ebi.ac.uk 4. Products derived from this software may not be called "ArrayExpress" nor may "ArrayExpress" appear in their names without prior written permission of the ArrayExpress developers. 5. Redistributions of any form whatsoever must retain the following acknowledgment: "This product includes software developed by ArrayExpress (http://www.ebi.ac.uk/arrayexpress)" THIS SOFTWARE IS PROVIDED BY THE ARRAYEXPRESS GROUP ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARRAYEXPRESS GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. The European Bioinformatics Institute may publish revised and/or new versions of this license with new releases of ArrayExpress software. ==============================================================================
Author:
Pierre MARGUERITE
See Also:
DataTable

Method Summary
 void closeFile()
          Closes a data text file.
 DataRow getDataLine(java.lang.Integer length)
           Retrieves a line from a data file Only when termination requirements have been met, the method should return a DataRow/code> object.
 int getLineNumber()
           Retrieves the line number of current line in the data file
 void openFile()
          Opens a data file for reading or writing
 

Method Detail

closeFile

public void closeFile()
Closes a data text file.


getDataLine

public DataRow getDataLine(java.lang.Integer length)
                    throws java.io.IOException,
                           IncorrectDataFile

Retrieves a line from a data file Only when termination requirements have been met, the method should return a DataRow/code> object.

Parameters:
length - the maximal number of data in the row
Returns:
line containing data items in one String
Throws:
IOException, - if an error occurs during file reading
IncorrectDataFile - if the red file is incorrect
java.io.IOException

getLineNumber

public int getLineNumber()

Retrieves the line number of current line in the data file

Returns:
the current line number

openFile

public void openFile()
              throws java.io.IOException
Opens a data file for reading or writing

Throws:
java.io.IOException - if an error occurs


European Bioinformatics InstituteMicroarray Informatics Team