remove webJarVersion and hide the constructor to override the cache imp

Author: jamesward

README.md

@@ -31,12 +31,3 @@ WebJarVersionLocator webJarVersionLocator = new WebJarVersionLocator();
 webJarVersionLocator.version("bootstrap"); // cache miss
 webJarVersionLocator.version("bootstrap"); // cache hit, avoiding looking up metadata in the classpath
 ```
-
-The default cache uses a `ConcurrentHashMap` but you can provide a custom cache implementation:
-```
-class WebJarCacheMine implements WebJarCache {
-    ...
-}
-
-WebJarVersionLocator webJarVersionLocator = new WebJarVersionLocator(new WebJarCacheMine());
-```

src/main/java/org/webjars/WebJarCache.java

@@ -12,7 +12,7 @@
  * Cache keys and values are Strings because that is all that is needed.
  */
 @NullMarked
-public interface WebJarCache {
+interface WebJarCache {
 
     Optional<String> computeIfAbsent(String key, Function<String, Optional<String>> function);
 

src/main/java/org/webjars/WebJarCacheDefault.java

@@ -8,7 +8,7 @@
 
 
 @NullMarked
-public class WebJarCacheDefault implements WebJarCache {
+class WebJarCacheDefault implements WebJarCache {
 
     final ConcurrentMap<String, Optional<String>> cache;
 

src/main/java/org/webjars/WebJarVersionLocator.java

@@ -34,7 +34,7 @@ public WebJarVersionLocator() {
         this.cache = new WebJarCacheDefault(new ConcurrentHashMap<>());
     }
 
-    public WebJarVersionLocator(WebJarCache cache) {
+    WebJarVersionLocator(WebJarCache cache) {
         this.cache = cache;
     }
 
@@ -77,17 +77,6 @@ public String path(final String webJarName, final String exactPath) {
         return null;
     }
 
-    /**
-     * @param webJarName The name of the WebJar, i.e. bootstrap
-     * @return The version of the WebJar, i.e 3.1.1
-     * @deprecated Use {@link #version(String)} instead
-     */
-    @Deprecated
-    @Nullable
-    public String webJarVersion(final String webJarName) {
-        return version(webJarName);
-    }
-
     /**
      * @param webJarName The name of the WebJar, i.e. bootstrap
      * @return The version of the WebJar, i.e 3.1.1