add command handlers for user arguments with different number of tokens,... (1fec8c25) · Commits · EC504 Spring 2024 Group Projects / Group4

src/Main.java

+44 −13

Original line number	Diff line number	Diff line
		import edu.bu.ec504.project.Molecule;
		import java.io.BufferedReader;
		import java.io.IOException;
		import java.io.InputStream;
		@@ -10,6 +11,38 @@ import java.net.Socket;

		public class Main {

		static MoleculeDatabase moleculeDb = null;

		public static void commandHandler1(String cmd) {
		switch (cmd) {
		case "--printDb":
		moleculeDb.printDb();
		break;
		default:
		System.out.println("unrecognized command: " + cmd);
		break;
		}
		}

		public static void commandHandler2(String cmd, String moleculePath) {
		switch (cmd) {
		case "--addMolecule":
		moleculeDb.addMolecule(new Molecule(moleculePath));
		break;
		case "--findMolecule":
		Molecule molecule = moleculeDb.findMolecule(new Molecule(moleculePath));
		if (molecule == null) {
		System.out.println("NOT FOUND");
		} else {
		System.out.println("FOUND");
		}
		break;
		default:
		System.out.println("unrecognized command: " + cmd);
		break;
		}
		}

		/**
		* Method to run the client side of the program
		*
		@@ -37,28 +70,26 @@ public class Main {
		public static void runServer(ServerSocket serverSocket, String cmd, String moleculePath,
		String dbName) throws IOException {
		// Load the database
		MoleculeDatabase moleculeDb = new MoleculeDatabase();
		moleculeDb = new MoleculeDatabase();
		moleculeDb.load(dbName);

		// Continue processing commands until "--quit" command is received
		while (!cmd.equals("--quit")) {
		// Perform actions based on the received command
		if (moleculePath.equals("")) {
		System.out.println("moleculePath is empty. moleculePath cannot be empty");
		} else if (cmd.equals("--addMolecule")) {
		System.out.println("received: add " + moleculePath);

		// Add molecule logic here
		} else if (cmd.equals("--findMolecules")) {
		System.out.println("received: find " + moleculePath);

		// Find molecule logic here
		if (moleculePath.isEmpty()) {
		commandHandler1(cmd);
		} else {
		System.out.println("unrecognized command: " + cmd);
		commandHandler2(cmd, moleculePath);
		}

		// Accept incoming client connections
		Socket clientSocket = serverSocket.accept();
		Socket clientSocket;
		try {
		clientSocket = serverSocket.accept();
		} catch (IOException e) {
		System.out.println("connection timed out");
		break;
		}
		InputStream inStream = clientSocket.getInputStream();
		BufferedReader reader = new BufferedReader(new InputStreamReader(inStream));
		String[] args = reader.readLine().split(" ");