diff options
| -rw-r--r-- | pdf-over-signator/src/main/java/at/asit/pdfover/signator/Emblem.java | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Emblem.java b/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Emblem.java index 26f05f08..b3ac5527 100644 --- a/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Emblem.java +++ b/pdf-over-signator/src/main/java/at/asit/pdfover/signator/Emblem.java @@ -58,6 +58,7 @@ public class Emblem { private static final int MAX_EMBLEM_HEIGHT = 600; private String originalFileName = null; + private String originalFileHash = null; private Image image = null; /* image data, if we have it */ private void lazyLoadImage() { @@ -181,13 +182,16 @@ public class Emblem { * @return the original filename */ public String getOriginalFileHash() { - if (this.originalFileName == null || !(new File(this.originalFileName).exists())) - return ""; - try { - return getFileHash(this.originalFileName); - } catch (IOException e) { - log.debug("Error getting file hash", e); - return ""; + if (this.originalFileHash == null) { + if (this.originalFileName == null || !(new File(this.originalFileName).exists())) { + this.originalFileHash = ""; + } else try { + this.originalFileHash = getFileHash(this.originalFileName); + } catch (IOException e) { + log.debug("Error getting file hash", e); + this.originalFileHash = ""; + } } + return this.originalFileHash; } } |