Minor bugfixes/changes, as well as beginnings of CLI systems

1 files changed, 60 insertions, 0 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/cli/CLICommander.java b/BJC-Utils2/src/main/java/bjc/utils/cli/CLICommander.java
new file mode 100644
index 0000000..f48f08e
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/cli/CLICommander.java
@@ -0,0 +1,60 @@
+package bjc.utils.cli;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * Runs a CLI interface from the provided set of streams
+ * 
+ * @author ben
+ *
+ */
+public class CLICommander {
+	private InputStream		input;
+	private OutputStream	output;
+	private OutputStream	error;
+	private ICommandMode	initialMode;
+
+	/**
+	 * Create a new CLI interface powered by streams
+	 * 
+	 * @param input
+	 *            The stream to get user input from
+	 * @param output
+	 *            The stream to send user output to
+	 * @param error
+	 *            The stream to send error messages to
+	 */
+	public CLICommander(InputStream input, OutputStream output,
+			OutputStream error) {
+		if (input == null) {
+			throw new NullPointerException(
+					"Input stream must not be null");
+		} else if (output == null) {
+			throw new NullPointerException(
+					"Output stream must not be null");
+		} else if (error == null) {
+			throw new NullPointerException(
+					"Error stream must not be null");
+		}
+
+		this.input = input;
+		this.output = output;
+		this.error = error;
+	}
+
+	/**
+	 * Set the initial command mode to use
+	 * 
+	 * @param initialMode
+	 *            The initial command mode to use
+	 */
+	public void setInitialCommandMode(ICommandMode initialMode) {
+		if (initialMode == null) {
+			throw new NullPointerException(
+					"Initial mode must be non-zero");
+		}
+
+		this.initialMode = initialMode;
+	}
+}