Add utility for triggered readers

Add a simple utility class for easy I/O prompting on triggered readers.

1 files changed, 45 insertions, 0 deletions

diff --git a/BJC-Utils2/src/main/java/bjc/utils/ioutils/Prompter.java b/BJC-Utils2/src/main/java/bjc/utils/ioutils/Prompter.java
new file mode 100644
index 0000000..ac6e558
--- /dev/null
+++ b/BJC-Utils2/src/main/java/bjc/utils/ioutils/Prompter.java
@@ -0,0 +1,45 @@
+package bjc.utils.ioutils;
+
+import java.io.PrintStream;
+
+/**
+ * A runnable for use with {@link TriggeredBlockReader} to prompt the user for
+ * input.
+ * 
+ * @author bjculkin
+ *
+ */
+public final class Prompter implements Runnable {
+	private String		promt;
+	private PrintStream	printer;
+
+	/**
+	 * Create a new prompter using the specified prompt.
+	 * 
+	 * @param prompt
+	 *                The prompt to present.
+	 * 
+	 * @param output
+	 *                The stream to print the prompt on.
+	 */
+	public Prompter(String prompt, PrintStream output) {
+		promt = prompt;
+
+		printer = output;
+	}
+
+	/**
+	 * Set the prompt this prompter uses.
+	 * 
+	 * @param prompt
+	 *                The prompt this prompter uses.
+	 */
+	public void setPrompt(String prompt) {
+		promt = prompt;
+	}
+
+	@Override
+	public void run() {
+		printer.print(promt);
+	}
+}
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