X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Frhynodge%2Ffilters%2FExtractUrlFilter.java;h=78c589e24d6e66eedb05533bf6eced02a77452ee;hb=d4fe0c7f56a77104924bf50cbfeb6775cd12dc25;hp=b0756866f6a8a6fd3b3efb988fff4e2a9a2301f9;hpb=ddb2be2da6903b948859076ed522551fb81ae536;p=rhynodge.git

diff --git a/src/main/java/net/pterodactylus/rhynodge/filters/ExtractUrlFilter.java b/src/main/java/net/pterodactylus/rhynodge/filters/ExtractUrlFilter.java
index b075686..78c589e 100644
--- a/src/main/java/net/pterodactylus/rhynodge/filters/ExtractUrlFilter.java
+++ b/src/main/java/net/pterodactylus/rhynodge/filters/ExtractUrlFilter.java
@@ -26,6 +26,7 @@ import net.pterodactylus.rhynodge.states.HtmlState;
 import net.pterodactylus.rhynodge.states.StringState;
 
 import com.google.common.base.Optional;
+import org.jetbrains.annotations.NotNull;
 import org.jsoup.nodes.Document;
 
 /**
@@ -35,8 +36,9 @@ import org.jsoup.nodes.Document;
  */
 public abstract class ExtractUrlFilter implements Filter {
 
+	@NotNull
 	@Override
-	public State filter(State state) {
+	public State filter(@NotNull State state) {
 		checkArgument(state instanceof HtmlState, "state must be an HTML state");
 
 		HtmlState htmlState = (HtmlState) state;