Merge pull request #25 from mreichelt/fix-24-remove-resourcenotfounde…

…xception

fix #24 remove ResourceNotFoundException

src/main/java/moe/banana/jsonapi2/Document.java

@@ -38,17 +38,16 @@ public void addInclude(Resource resource) {
      *
      * @param type resource type.
      * @param id resource id.
-     * @return resource object.
-     * @throws ResourceNotFoundException when there is no matching resource.
+     * @return resource object, or {@code null} if not found.
      */
-    public Resource find(String type, String id) throws ResourceNotFoundException {
+    public Resource find(String type, String id) {
         if (index != null) {
             final String key = indexName(type, id);
             if (index.containsKey(key)) {
                 return index.get(key);
             }
         }
-        throw new ResourceNotFoundException(type, id);
+        return null;
     }
 
     private String indexName(String type, String id) {

src/main/java/moe/banana/jsonapi2/Resource.java

@@ -131,21 +131,17 @@ public void addToIncluded(Document document) {
      *
      * @param type resource type
      * @param id resource identifier
-     * @return resource or null if resource does not exists in document
+     * @return resource or {@code null} if resource does not exist in document
      */
     public Resource find(String type, String id) {
-        try {
-            return _doc.find(type, id);
-        } catch (ResourceNotFoundException e) {
-            return null;
-        }
+        return _doc.find(type, id);
     }
 
     /**
      * Find resource in document.
      *
      * @param ref ResourceLinkage like object
-     * @return resource or null if resource does not exists in document
+     * @return resource or {@code null} if resource does not exists in document
      */
     public Resource find(ResourceRef ref) {
         return find(ref.getType(), ref.getId());