Retrieving a protein by its accession and accessing some of its data

retrieveprot.java

public static void main(String[] args) {
        if (args.length != 1) {
            System.out.println("The program expects one parameter: \n"
                    + "1. Protein accesion\n");
        } else {

            String inputSt = args[0];

            Bio4jManager manager = null;

            try {

                //--creating manager and node retriever----
                manager = new Bio4jManager(CommonData.DATABASE_FOLDER);
                NodeRetriever nodeRetriever = new NodeRetriever(manager);
                
                //--------------------------------------------------------------
                //-----retrieving protein node by its Uniprot accession---------
                
                ProteinNode protein = nodeRetriever.getProteinNodeByAccession(inputSt);
                
                //checking there's a protein with the accession provided...
                if (protein == null) {
                    System.out.println("There's no protein with the accession " + inputSt);
                } else {
                    System.out.println("Protein data: \n" + protein);
                }
                //--------------------------------------------------------------
            } catch (Exception e) {
                //deal somehow with the exception
            } finally {

                //---closing the manager----
                manager.shutDown();

            }

        }