/**
* It reads the information in the header of the file. It reads relation's name, attributes'
* names, and inputs and outputs.
*
* @param parser is the parser of the data set
* @param isTrain is a boolean indicating if this is a train set (and so parameters information
* must be read) or a test set (parameters information has not to be read).
*/
public void parseHeader(InstanceParser parser, boolean isTrain) {
// 1. Declaration of variables
Vector inputAttrNames = new Vector();
Vector outputAttrNames = new Vector();
boolean inputsDef = false;
boolean outputsDef = false;
String line, aux;
header = "";
int attCount = 0, lineCount = 0;
attHeader = null;
while (!(line = parser.getLine().trim()).equalsIgnoreCase("@data")) {
line = line.trim();
// System.out.println (" > Line read: " + line +"." );
lineCount++;
if (line.toLowerCase().indexOf("@relation") != -1) {
if (isTrain) Attributes.setRelationName(line.replaceAll("@relation", ""));
}
if (line.toLowerCase().indexOf("@attribute") != -1) {
if (isTrain) insertAttribute(line);
attCount++;
}
if (line.toLowerCase().indexOf("@inputs") != -1) {
attHeader = header;
inputsDef = true;
aux = line.substring(8);
if (isTrain) insertInputOutput(aux, lineCount, inputAttrNames, "inputs", isTrain);
}
if (line.toLowerCase().indexOf("@outputs") != -1) {
if (attHeader == null) attHeader = header;
outputsDef = true;
// System.out.println ( " >>> Defining the output !!!");
aux = line.substring(8);
if (isTrain) insertInputOutput(aux, lineCount, outputAttrNames, "outputs", isTrain);
System.out.println(" >> Size of the output is: " + outputAttrNames.size());
}
header += line + "\n";
}
if (attHeader == null) attHeader = header;
processInputsAndOutputs(isTrain, inputsDef, outputsDef, outputAttrNames, inputAttrNames);
} // end headerParse
