whoops, null check. You'd think I would have learned by now (#254)

sapessi · sapessi · commit 915bee3743ef · 2019-06-27T09:43:30.000-07:00
diff --git a/aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/internal/servlet/AwsServletContext.java b/aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/internal/servlet/AwsServletContext.java
@@ -144,7 +144,7 @@ public int getEffectiveMinorVersion() {
     @Override
     @SuppressFBWarnings("PATH_TRAVERSAL_IN") // suppressing because we are using the getValidFilePath
     public String getMimeType(String s) {
-        if (!s.contains(".")) {
+        if (s == null || !s.contains(".")) {
             return null;
         }
         if (mimeTypes == null) {

Original file line number	Diff line number	Diff line change
`@@ -144,7 +144,7 @@ public int getEffectiveMinorVersion() {`
`144`	`144`	`@Override`
`145`	`145`	`@SuppressFBWarnings("PATH_TRAVERSAL_IN") // suppressing because we are using the getValidFilePath`
`146`	`146`	`public String getMimeType(String s) {`
`147`		`- if (!s.contains(".")) {`
	`147`	`+ if (s == null \|\| !s.contains(".")) {`
`148`	`148`	`return null;`
`149`	`149`	`}`
`150`	`150`	`if (mimeTypes == null) {`