CommonsMultipartResolver allows for specifying max upload size per file

Issue: SPR-13200

Author: jhoeller

spring-web/src/main/java/org/springframework/web/multipart/commons/CommonsFileUploadSupport.java

@@ -100,7 +100,7 @@ public FileUpload getFileUpload() {
 	}
 
 	/**
-	 * Set the maximum allowed size (in bytes) before uploads are refused.
+	 * Set the maximum allowed size (in bytes) before an upload gets rejected.
 	 * -1 indicates no limit (the default).
 	 * @param maxUploadSize the maximum upload size allowed
 	 * @see org.apache.commons.fileupload.FileUploadBase#setSizeMax
@@ -109,6 +109,17 @@ public void setMaxUploadSize(long maxUploadSize) {
 		this.fileUpload.setSizeMax(maxUploadSize);
 	}
 
+	/**
+	 * Set the maximum allowed size (in bytes) for each individual file before
+	 * an upload gets rejected. -1 indicates no limit (the default).
+	 * @param maxUploadSizePerFile the maximum upload size per file
+	 * @since 4.2
+	 * @see org.apache.commons.fileupload.FileUploadBase#setFileSizeMax
+	 */
+	public void setMaxUploadSizePerFile(long maxUploadSizePerFile) {
+		this.fileUpload.setFileSizeMax(maxUploadSizePerFile);
+	}
+
 	/**
 	 * Set the maximum allowed size (in bytes) before uploads are written to disk.
 	 * Uploaded files will still be received past this amount, but they will not be