import replica code from assignment

1 files changed, 151 insertions, 0 deletions

diff --git a/src/main/java/derms/replica/replica1/ResponderClientCLI.java b/src/main/java/derms/replica/replica1/ResponderClientCLI.java
new file mode 100644
index 0000000..5bfbb11
--- /dev/null
+++ b/src/main/java/derms/replica/replica1/ResponderClientCLI.java
@@ -0,0 +1,151 @@
+package derms.replica.replica1;
+
+import java.net.MalformedURLException;
+import java.net.UnknownHostException;
+
+public class ResponderClientCLI extends CLI {
+	public static final String usage = "Usage: java ResponderClientCLI <city> <id number>";
+
+	private final ResponderClient client;
+
+	private ResponderClientCLI(City city, short idNum) {
+		client = new ResponderClient(city, idNum);
+		System.out.println("ID: "+client.id);
+
+		commands.put("add", new Add());
+		cmdDescriptions.add(new Description(
+			"add <resource ID> <resource name> <duration>",
+			"Add a resource to the server"));
+
+		commands.put("remove", new Remove());
+		cmdDescriptions.add(new Description(
+			"remove <resource ID> <duration>",
+			"Decrease the duration of a resource. If duration is negative, the tresource is removed entirely."));
+
+		commands.put("list",  new List());
+		cmdDescriptions.add(new Description(
+			"list <resource name>",
+			"List available resources."));
+
+		argDescriptions.add(new Description(
+			"<resource ID>",
+			"3-letter city code followed by 4-digit number."));
+		argDescriptions.add(new Description(
+			"<resource name>",
+			"E.g., AMBULANCE."));
+		argDescriptions.add(new Description(
+			"<duration>",
+			"A number representing a time period."));
+	}
+
+	public static void main(String[] cmdlineArgs) {
+		Args args = null;
+		try {
+			args = new Args(cmdlineArgs);
+		} catch (IllegalArgumentException e) {
+			System.err.println(e);
+			System.err.println(usage);
+			System.exit(1);
+		}
+
+		(new ResponderClientCLI(args.city, args.idNum)).run();
+	}
+
+	private class Add implements Command {
+		public void exec(String[] args) {
+			if (args.length < 3) {
+				System.out.println("invalid arguments for 'add'");
+			} else {
+				add(args[0], args[1], args[2]);
+			}
+		}
+	}
+
+	private void add(String resourceIDStr, String resourceNameStr, String durationStr) {
+		ResourceID rid = ResourceID.parse(resourceIDStr);
+		ResourceName name = ResourceName.parse(resourceNameStr);
+		int duration = Integer.parseInt(durationStr);
+		if (duration < 0) {
+			throw new NumberFormatException("duration less than 0");
+		}
+		try {
+			client.add(rid, name, duration);
+			System.out.println("Successfully added resource to server.");
+		} catch (Exception e) {
+			System.out.println("Failed to add resource: "+e.getMessage());
+		}
+	}
+
+	private class Remove implements Command {
+		public void exec(String[] args) {
+			if (args.length < 2) {
+				System.out.println("invalid arguments for 'remove'");
+			} else {
+				remove(args[0], args[1]);
+			}
+		}
+	}
+
+	private void remove(String resourceIDStr, String durationStr) {
+		try {
+			ResourceID resourceID = ResourceID.parse(resourceIDStr);
+			int duration = Integer.parseInt(durationStr);
+			client.remove(resourceID, duration);
+			System.out.println("Successfully removed resource from server.");
+		} catch (NumberFormatException e) {
+			System.out.println("invalid duration: "+durationStr);
+		} catch (IllegalArgumentException e) {
+			System.out.println(e.getMessage());
+		} catch (Exception e) {
+			System.out.println("Failed to remove resource: "+e.getMessage());
+		}
+	}
+
+	private class List implements Command {
+		public void exec(String[] args) {
+			if (args.length < 1) {
+				System.out.println("invalid arguments for 'list'");
+			} else {
+				list(args[0]);
+			}
+		}
+	}
+
+	private void list(String resourceNameStr) {
+		try {
+			ResourceName name = ResourceName.parse(resourceNameStr);
+			Resource[] resources = client.listResources(name);
+			System.out.println("Available resources:");
+			for (Resource resource : resources) {
+				System.out.println(resource.toString());
+			}
+		} catch (IllegalArgumentException e) {
+			System.out.println("invalid resource name: " + resourceNameStr);
+		} catch (UnknownHostException | MalformedURLException e) {
+			System.err.println(e.getMessage());
+		} catch (ServerCommunicationError e) {
+			System.err.println("Failed to retrieve resources from server: "+e.getMessage());
+		}
+	}
+
+	private static class Args {
+		private final City city;
+		private final short idNum;
+
+		private Args(String[] args) throws IllegalArgumentException {
+			if (args.length < 1) {
+				throw new IllegalArgumentException("Missing argument 'city'");
+			}
+			city = new City(args[0]);
+
+			if (args.length < 2) {
+				throw new IllegalArgumentException("Missing argument 'id number'");
+			}
+			try {
+				idNum = Short.parseShort(args[1]);
+			} catch (NumberFormatException e) {
+				throw new IllegalArgumentException("Bad value of 'id number'");
+			}
+		}
+	}
+}