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Diffstat (limited to '')
| -rw-r--r-- | src/main/java/eu/siacs/conversations/utils/FileUtils.java | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/utils/FileUtils.java b/src/main/java/eu/siacs/conversations/utils/FileUtils.java index 7c2a51c5..967c9b41 100644 --- a/src/main/java/eu/siacs/conversations/utils/FileUtils.java +++ b/src/main/java/eu/siacs/conversations/utils/FileUtils.java @@ -153,6 +153,9 @@ public class FileUtils { * @return last extension or empty string */ public static String getLastExtension(final String filename) { + if (filename == null || filename.isEmpty()) { + return ""; + } final int lastDotPosition = filename.lastIndexOf('.'); final String lastPart = lastDotPosition != -1 ? filename.substring(lastDotPosition + 1) : ""; @@ -164,6 +167,9 @@ public class FileUtils { * @return second to last extension or empty string */ public static String getSecondToLastExtension(final String filename) { + if (filename == null || filename.isEmpty()) { + return ""; + } final int lastDotPosition = filename.lastIndexOf('.'); final int secondToLastDotPosition = filename.lastIndexOf('.', lastDotPosition - 1); final String secondToLastPart = secondToLastDotPosition != -1 ? |