Start splitting into maven modules

1 files changed, 84 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/cli/GenericCommand.java b/base/src/main/java/bjc/utils/cli/GenericCommand.java
new file mode 100644
index 0000000..4ae4dea
--- /dev/null
+++ b/base/src/main/java/bjc/utils/cli/GenericCommand.java
@@ -0,0 +1,84 @@
+package bjc.utils.cli;
+
+/**
+ * Generic command implementation.
+ *
+ * @author ben
+ *
+ */
+public class GenericCommand implements Command {
+	/*
+	 * The behavior for invoking the command.
+	 */
+	private final CommandHandler handler;
+
+	/*
+	 * The help for the command.
+	 */
+	private CommandHelp help;
+
+	/**
+	 * Create a new generic command.
+	 *
+	 * @param handler
+	 *                The handler to use for the command.
+	 * @param description
+	 *                The description of the command. May be null, in which
+	 *                case a default is provided.
+	 * @param help
+	 *                The detailed help message for the command. May be
+	 *                null, in which case the description is repeated for
+	 *                the detailed help.
+	 */
+	public GenericCommand(final CommandHandler handler, final String description, final String help) {
+		if (handler == null) throw new NullPointerException("Command handler must not be null");
+
+		this.handler = handler;
+
+		if (description == null) {
+			this.help = new NullHelp();
+		} else {
+			this.help = new GenericHelp(description, help);
+		}
+	}
+
+	@Override
+	public Command aliased() {
+		return new DelegatingCommand(this);
+	}
+
+	@Override
+	public CommandHandler getHandler() {
+		return handler;
+	}
+
+	@Override
+	public CommandHelp getHelp() {
+		return help;
+	}
+
+	@Override
+	public boolean isAlias() {
+		return false;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 *
+	 * @see java.lang.Object#toString()
+	 */
+	@Override
+	public String toString() {
+		final StringBuilder builder = new StringBuilder();
+		builder.append("GenericCommand [");
+
+		if (help != null) {
+			builder.append("help=");
+			builder.append(help);
+		}
+
+		builder.append("]");
+
+		return builder.toString();
+	}
+}