Burned by 'git commit -am' again. Add ActivationStrategy

veinminer-bukkit/src/main/java/wtf/choco/veinminer/player/ActivationStrategy.java

@@ -0,0 +1,84 @@
+package wtf.choco.veinminer.player;
+
+import com.google.common.base.Predicates;
+
+import java.util.function.Predicate;
+
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Represents a different method of activating vein miner.
+ */
+public enum ActivationStrategy implements Predicate<VeinMinerPlayer> {
+
+    /**
+     * Never activated.
+     */
+    NONE("None", Predicates.alwaysFalse()),
+
+    /**
+     * Activated by the client with the client-sided mod.
+     */
+    CLIENT("Client", VeinMinerPlayer::isClientKeyPressed),
+
+    /**
+     * Activated when a player is sneaking.
+     */
+    SNEAK("Sneak", player -> player.getPlayer().isSneaking()),
+
+    /**
+     * Activated when a player is standing up (i.e. not sneaking).
+     */
+    STAND("Stand", player -> !player.getPlayer().isSneaking()),
+
+    /**
+     * Always activated.
+     */
+    ALWAYS("Always", Predicates.alwaysTrue());
+
+    private final String friendlyName;
+    private final Predicate<VeinMinerPlayer> predicate;
+
+    private ActivationStrategy(@NotNull String friendlyName, @NotNull Predicate<VeinMinerPlayer> predicate) {
+        this.friendlyName = friendlyName;
+        this.predicate = predicate;
+    }
+
+    /**
+     * Get the friendly name for this activation strategy. This is just the name of the enum
+     * with more appropriate capitalization.
+     *
+     * @return the friendly name
+     */
+    @NotNull
+    public String getFriendlyName() {
+        return friendlyName;
+    }
+
+    /**
+     * Check whether or not the given player has activated this strategy.
+     *
+     * @param player the player
+     *
+     * @return true if active, false otherwise
+     */
+    @Override
+    public boolean test(VeinMinerPlayer player) {
+        return predicate.test(player);
+    }
+
+    /**
+     * Check whether or not the given player has activated this strategy.
+     * <p>
+     * This method exists purely for the sake of clarity and simply delegates to
+     * {@link #test(VeinMinerPlayer)}.
+     *
+     * @param player the player
+     *
+     * @return true if active, false otherwise
+     */
+    public boolean isActive(@NotNull VeinMinerPlayer player) {
+        return test(player);
+    }
+
+}