update

Author: Kirill Peshin

src/main/java/com/github/tomakehurst/wiremock/common/xml/XmlNode.java

@@ -107,7 +107,7 @@ private static Map<String, String> convertAttributeMap(NamedNodeMap namedNodeMap
  map.put(node.getNodeName(), node.getNodeValue());
  }
 
- return map;
+ return Collections.unmodifiableMap(map);
  }
 
  public Map<String, String> getAttributes() {

src/main/java/com/github/tomakehurst/wiremock/extension/Extensions.java

@@ -186,13 +186,14 @@ public static Extension load(Class<? extends Extension> extensionClass) {
  @SuppressWarnings("unchecked")
  public <T extends Extension> Map<String, T> ofType(Class<T> extensionType) {
  return (Map<String, T>)
- loadedExtensions.entrySet().stream()
- .filter(valueAssignableFrom(extensionType))
- .collect(
- Collectors.toMap(
- Map.Entry::getKey,
- Map.Entry::getValue,
- (entry1, entry2) -> entry1,
- LinkedHashMap::new));
+ Collections.unmodifiableMap(
+ loadedExtensions.entrySet().stream()
+ .filter(valueAssignableFrom(extensionType))
+ .collect(
+ Collectors.toMap(
+ Map.Entry::getKey,
+ Map.Entry::getValue,
+ (entry1, entry2) -> entry1,
+ LinkedHashMap::new)));
  }
 }

src/main/java/com/github/tomakehurst/wiremock/extension/requestfilter/RequestWrapper.java

@@ -193,7 +193,7 @@ public Map<String, Cookie> getCookies() {
 
  cookieMap.putAll(additionalCookies);
 
- return cookieMap;
+ return Collections.unmodifiableMap(cookieMap);
  }
 
  @Override