Biomart datasets for the Ensembl Genes mart service

Script

if((species == void) || (species == null) || species.size()==0) {
	List speciesBackup = new ArrayList();
	speciesBackup.add("all");
	species = speciesBackup;	
}

String biomartUrlDomain = "http://www.biomart.org";
String martName = "ensembl";
String ensemblBiomartDatasetsUrl = biomartUrlDomain + "/biomart/martservice?type=datasets&mart=" + martName;

List datasetName = new ArrayList();
List datasetSpecie = new ArrayList();
List datasetAssembly = new ArrayList();
List datasetDate = new ArrayList();

URL url = new URL(ensemblBiomartDatasetsUrl);
BufferedReader reader = new BufferedReader (new InputStreamReader(url.openStream()));

//read each line of text file
String line = null;
while((line = reader.readLine()) != null){
    if(line.length() > 1){
        StringTokenizer st = new StringTokenizer(line,"\t");
        int col = 0;
        boolean specieMatch = false;
        String name = "";
        String specie = "";
        String assembly = "";
        String date = "";
        while (st.hasMoreTokens()){
            String field = st.nextToken();
            if(col==1){
                name = field;
            } else if(col==2){
                int i = field.indexOf(" genes ");
                if(i > -1){
                    specie = field.substring(0,i);
                }
                for(Object sp:species){
                    if(sp.toString().equalsIgnoreCase(specie)){
                        specieMatch = true;
                    }
                }
                if(species.contains( specie )){
                    specieMatch = true;
                }
            } else if(col==4){
                assembly = field;
            } else if(col==8){
                date = field;
            }
            col++;
        }
        if(specieMatch == true || species.contains("all")){
            datasetName.add(name);
            datasetSpecie.add(specie);
            datasetAssembly.add(assembly);
            datasetDate.add(date);
        }
    }
}
reader.close();