Annotate Filter interface with @NotNull

[rhynodge.git] / src / main / java / net / pterodactylus / rhynodge / filters / HttpQueryFilter.java

diff --git a/src/main/java/net/pterodactylus/rhynodge/filters/HttpQueryFilter.java b/src/main/java/net/pterodactylus/rhynodge/filters/HttpQueryFilter.java
index 2600288..00533de 100644 (file)
--- a/src/main/java/net/pterodactylus/rhynodge/filters/HttpQueryFilter.java
+++ b/src/main/java/net/pterodactylus/rhynodge/filters/HttpQueryFilter.java
@@ -25,6 +25,8 @@ import net.pterodactylus.rhynodge.queries.HttpQuery;
 import net.pterodactylus.rhynodge.states.HttpState;
 import net.pterodactylus.rhynodge.states.StringState;
 
+import org.jetbrains.annotations.NotNull;
+
 /**
  * {@link Filter} implementation that uses the {@link StringState#value() value}
  * of a {@link StringState} as a URL for {@link HttpQuery}, turning it into an
@@ -34,8 +36,9 @@ import net.pterodactylus.rhynodge.states.StringState;
  */
 public class HttpQueryFilter implements Filter {
 
+       @NotNull
        @Override
-       public State filter(State state) {
+       public State filter(@NotNull State state) {
                checkArgument(state instanceof StringState, "state must be a String state");
 
                StringState stringState = (StringState) state;