Introduces a dedicated class to represent an uploaded file

core/src/main/java/org/apache/struts2/dispatcher/multipart/UploadedFile.java

@@ -0,0 +1,39 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.struts2.dispatcher.multipart;
+
+/**
+ * Virtual representation of a uploaded file used by {@link MultiPartRequest}
+ */
+public interface UploadedFile<T> {
+
+    Long length();
+
+    String getName();
+
+    boolean isFile();
+
+    boolean delete();
+
+    String getAbsolutePath();
+
+    T getContent();
+
+}