1 files changed, 68 insertions, 0 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/cli/ICommandMode.java b/BJC-Utils2/src/main/java/bjc/utils/cli/ICommandMode.java
new file mode 100644
index 0000000..5208657
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/cli/ICommandMode.java
@@ -0,0 +1,68 @@
+package bjc.utils.cli;
+
+/**
+ * A mode for determining the commands that are valid to enter, and then
+ * handling those commands
+ * 
+ * @author ben
+ *
+ */
+public interface ICommandMode {
+	/**
+	 * Process a command in this mode
+	 * 
+	 * @param command
+	 *            The command to process
+	 * @param args
+	 *            A list of arguments to the command
+	 * @return The command mode to use for the next command. Defaults to
+	 *         returning this, and doing nothing else
+	 */
+	public default ICommandMode processCommand(String command,
+			String[] args) {
+		return this;
+	};
+
+	/**
+	 * Check to see if this mode can handle the specified command
+	 * 
+	 * @param command
+	 *            The command to check
+	 * @return Whether or not this mode can handle the command. It is
+	 *         assumed not by default
+	 */
+	public default boolean canHandleCommand(String command) {
+		return false;
+	}
+
+	/**
+	 * Get the name of this command mode
+	 * 
+	 * @return The name of this command mode, which is "crawler" by default
+	 */
+	public default String getName() {
+		return "crawler";
+	}
+
+	/**
+	 * Check if this mode uses a custom prompt
+	 * 
+	 * @return Whether or not this mode uses a custom prompt
+	 */
+	public default boolean useCustomPrompt() {
+		return false;
+	}
+
+	/**
+	 * Get the custom prompt for this mode
+	 * 
+	 * @return the custom prompt for this mode
+	 * 
+	 * @throws UnsupportedOperationException
+	 *             if this mode doesn't support a custom prompt
+	 */
+	public default String getCustomPrompt() {
+		throw new UnsupportedOperationException(
+				"This mode doesn't support a custom prompt");
+	}
+}