From 375ee443819914c3c81383ccd55c4afb2ce467db Mon Sep 17 00:00:00 2001
From: Nils Schwabe
Date: Wed, 23 Jul 2014 15:10:09 +0200
Subject: [CRCFile] Fix that crc file is always recalculating if it is valid

---
 .../java/org/openslx/imagemaster/crcchecker/CRCFile.java | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'src/main/java/org/openslx/imagemaster')

diff --git a/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java b/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
index 807aac1..1fa7453 100644
--- a/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
+++ b/src/main/java/org/openslx/imagemaster/crcchecker/CRCFile.java
@@ -18,6 +18,7 @@ public class CRCFile
 {
 	private File file = null;
 	private List<Integer> crcSums = null;
+	private Boolean valid = null;
 
 	/**
 	 * Loads a crcFile from file
@@ -93,13 +94,16 @@ public class CRCFile
 	 */
 	public boolean isValid() throws IOException
 	{
-		if ( file == null ) {
-			return sumsAreValid( this.crcSums );
-		} else {
-			if ( crcSums == null )
-				loadSums();
-			return sumsAreValid( this.crcSums );
+		if ( valid == null ) {
+			if ( file == null ) {
+				valid = sumsAreValid( this.crcSums );
+			} else {
+				if ( crcSums == null )
+					loadSums();
+				valid = sumsAreValid( this.crcSums );
+			}
 		}
+		return valid;
 	}
 
 	/**
-- 
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