X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Freactor%2Ftriggers%2FFileExistenceTrigger.java;h=a2858434669492c606d2ac25d7df9e971e46b250;hb=13a4fe6bece23b3dd561de657cf9bb7ea307e2b6;hp=2be86ea6ee0783b821953c0c79869f4788f07458;hpb=2447518c3e5f8269f12f772c5d11dca10b3967f2;p=rhynodge.git

diff --git a/src/main/java/net/pterodactylus/reactor/triggers/FileExistenceTrigger.java b/src/main/java/net/pterodactylus/reactor/triggers/FileExistenceTrigger.java
index 2be86ea..a285843 100644
--- a/src/main/java/net/pterodactylus/reactor/triggers/FileExistenceTrigger.java
+++ b/src/main/java/net/pterodactylus/reactor/triggers/FileExistenceTrigger.java
@@ -17,15 +17,21 @@
 
 package net.pterodactylus.reactor.triggers;
 
+import net.pterodactylus.reactor.Reaction;
+import net.pterodactylus.reactor.State;
 import net.pterodactylus.reactor.Trigger;
+import net.pterodactylus.reactor.output.DefaultOutput;
+import net.pterodactylus.reactor.output.Output;
 import net.pterodactylus.reactor.states.FileState;
 
+import com.google.common.base.Preconditions;
+
 /**
  * A trigger that detects changes in the existence of a file.
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
-public class FileExistenceTrigger implements Trigger<FileState> {
+public class FileExistenceTrigger implements Trigger {
 
 	//
 	// TRIGGER METHODS
@@ -35,8 +41,18 @@ public class FileExistenceTrigger implements Trigger<FileState> {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public boolean triggers(FileState previousState, FileState currentState) {
-		return previousState.exists() != currentState.exists();
+	public boolean triggers(State previousState, State currentState) {
+		Preconditions.checkState(previousState instanceof FileState, "previousState is not a FileState");
+		Preconditions.checkState(currentState instanceof FileState, "currentState is not a FileState");
+		return ((FileState) previousState).exists() != ((FileState) currentState).exists();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public Output output(Reaction reaction) {
+		return new DefaultOutput("File appeared/disappeared").addText("text/plain", "File appeared/disappeared").addText("text/html", "<div>File appeared/disappeared</div>");
 	}
 
 }