Apply fixes

Author: liamhughes

src/main/java/com/octopus/openfeature/provider/FeatureToggleEvaluation.java

@@ -1,25 +1,32 @@
 package com.octopus.openfeature.provider;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
+@JsonIgnoreProperties(ignoreUnknown = true)
 class FeatureToggleEvaluation {
     private final String name;
     private final String slug;
     private final boolean isEnabled;
     private final List<Map.Entry<String, String>> segments;
 
     @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
-    FeatureToggleEvaluation(@JsonProperty("name") String name, @JsonProperty("slug")String slug, @JsonProperty("isEnabled") boolean isEnabled,
-                            @JsonProperty("segments") List<Map.Entry<String, String>> segments) {
+    FeatureToggleEvaluation(
+            @JsonProperty("name") String name,
+            @JsonProperty("slug") String slug,
+            @JsonProperty("isEnabled") boolean isEnabled,
+            @JsonDeserialize(contentUsing = SegmentDeserializer.class) @JsonProperty("segments") List<Map.Entry<String, String>> segments
+    ) {
         this.name = name;
         this.slug = slug;
         this.isEnabled = isEnabled;
-        
+
         this.segments = new ArrayList<>();
         if (segments != null) {
             this.segments.addAll(segments);

src/main/java/com/octopus/openfeature/provider/SegmentDeserializer.java

@@ -0,0 +1,20 @@
+package com.octopus.openfeature.provider;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+
+import java.io.IOException;
+import java.util.AbstractMap;
+import java.util.Map;
+
+class SegmentDeserializer extends JsonDeserializer<Map.Entry<String, String>> {
+    @Override
+    public Map.Entry<String, String> deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        JsonNode node = p.getCodec().readTree(p);
+        String key = node.get("key").asText();
+        String value = node.get("value").asText();
+        return new AbstractMap.SimpleEntry<>(key, value);
+    }
+}