init

p1/Client.java

@@ -0,0 +1,91 @@
+import java.util.*;
+
+// A program to work with Mini-Git. Manages the state of repositories and allows for all
+// operations defined in Mini-Git.
+public class Client {
+    private static List<String> ops = new ArrayList<>();
+
+    public static void main(String[] args) {
+        Collections.addAll(ops, "create", "head", "history", "commit", "drop",
+                           "synchronize", "quit");
+        Scanner console = new Scanner(System.in);
+        Map<String, Repository> repos = new HashMap<>();
+        String op = "";
+        String name = "";
+
+        intro();
+
+        while (!op.equalsIgnoreCase("quit")) {
+            System.out.println("Available repositories: ");
+            for (Repository repo : repos.values()) {
+                System.out.println("\t" + repo);
+            }
+            System.out.println("Operations: " + ops);
+            System.out.print("Enter operation and repository: ");
+            String[] input = console.nextLine().split("\\s+");
+            op = input[0];
+            name = input.length > 1 ? input[1] : "";
+            while (!ops.contains(op) || (!op.equalsIgnoreCase("create") &&
+                    !op.equalsIgnoreCase("quit") &&
+                    !repos.containsKey(name))) {
+                System.out.println("  **ERROR**: Operation or repository not recognized.");
+                System.out.print("Enter operation and repository: ");
+                input = console.nextLine().split("\\s+");
+                op = input[0];
+                name = input.length > 1 ? input[1] : "";
+            }
+
+            Repository currRepo = repos.get(name);
+            op = op.toLowerCase();
+            if (op.equalsIgnoreCase("create")) {
+                if (currRepo != null) {
+                    System.out.println("  **ERROR**: Repository with that name already exists.");
+                } else {
+                    Repository newRepo = new Repository(name);
+                    repos.put(name, newRepo);
+                    System.out.println("  New repository created: " + newRepo);
+                }
+            } else if (op.equalsIgnoreCase("head")) {
+                System.out.println(currRepo.getRepoHead());
+            } else if (op.equalsIgnoreCase("history")) {
+                System.out.print("How many commits back? ");
+                int nHist = console.nextInt();
+                console.nextLine();
+                System.out.println(currRepo.getHistory(nHist));
+            } else if (op.equalsIgnoreCase("commit")) {
+                System.out.print("Enter commit message: ");
+                String message = console.nextLine();
+                System.out.println("  New commit: " + currRepo.commit(message));
+            } else if (op.equalsIgnoreCase("drop")) {
+                System.out.print("Enter ID to drop: ");
+                String idDrop = console.nextLine();
+                if (currRepo.drop(idDrop)) {
+                    System.out.println("  Successfully dropped " + idDrop);
+                } else {
+                    System.out.println("  No commit dropped!");
+                }
+            } else if (op.equalsIgnoreCase("synchronize")) {
+                System.out.print("Which repository would you like to " +
+                        "synchronize into the given one? ");
+                String repo = console.nextLine();
+                if (repo.equals(name)) {
+                    System.out.println("Cannot synchronize the same repositories!");
+                } else if (!repos.containsKey(repo)) {
+                    System.out.println("Repository does not exist!");
+                } else {
+                    currRepo.synchronize(repos.get(repo));
+                }
+            }
+            System.out.println();
+        }
+    }
+
+    // Prints out an introduction to the Mini-Git test client.
+    public static void intro() {
+        System.out.println("Welcome to the Mini-Git test client!");
+        System.out.println("Use this program to test your Mini-Git repository implemenation.");
+        System.out.println("Make sure to test all operations in all cases --");
+        System.out.println("some cases are particularly tricky.");
+        System.out.println();
+    }
+}