Adds most of the code necessary for #11

src/main/java/net/knarcraft/blacksmith/formatting/TimeInterval.java

@@ -0,0 +1,65 @@
+package net.knarcraft.blacksmith.formatting;
+
+/**
+ * The important intervals when not using exact wait times
+ */
+public enum TimeInterval {
+
+    /**
+     * Less than 10 seconds left
+     */
+    INTERVAL_LESS_THAN_10_SECONDS("momentarily", 10),
+
+    /**
+     * Less than 30 seconds left
+     */
+    INTERVAL_LESS_THAN_30_SECONDS("in a little while", 30),
+
+    /**
+     * Less than 1 minute left
+     */
+    INTERVAL_LESS_THAN_1_MINUTE("in a while", 60),
+
+    /**
+     * Less than 5 minutes left
+     */
+    INTERVAL_LESS_THAN_5_MINUTES("after some time", 300),
+
+    /**
+     * More than 5 minutes left
+     */
+    INTERVAL_MORE_THAN_5_MINUTES("in quite a while", Integer.MAX_VALUE);
+
+    private final String defaultText;
+    private final int maxSeconds;
+
+    /**
+     * Instantiates a new time interval
+     *
+     * @param defaultText <p>The default text used to describe the time interval</p>
+     * @param maxSeconds  <p>The maximum number of seconds to fall within this interval</p>
+     */
+    TimeInterval(String defaultText, int maxSeconds) {
+        this.defaultText = defaultText;
+        this.maxSeconds = maxSeconds;
+    }
+
+    /**
+     * Gets the default text to display for this interval
+     *
+     * @return <p>The default text to display for this interval</p>
+     */
+    public String getDefaultText() {
+        return this.defaultText;
+    }
+
+    /**
+     * Gets the maximum number of seconds before exceeding this interval
+     *
+     * @return <p>The max seconds of this interval</p>
+     */
+    public int getIntervalMax() {
+        return maxSeconds;
+    }
+
+}