1 files changed, 33 insertions, 0 deletions
diff --git a/src/com/isode/stroke/vcards/VCardStorage.java b/src/com/isode/stroke/vcards/VCardStorage.java
new file mode 100644
index 0000000..9021599
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+++ b/src/com/isode/stroke/vcards/VCardStorage.java
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+/*
+ * Copyright (c) 2010-2015, Isode Limited, London, England.
+ * All rights reserved.
+ */
+package com.isode.stroke.vcards;
+
+import com.isode.stroke.crypto.CryptoProvider;
+import com.isode.stroke.elements.VCard;
+import com.isode.stroke.jid.JID;
+import com.isode.stroke.stringcodecs.Hexify;
+
+public abstract class VCardStorage {
+	private CryptoProvider crypto;
+
+	public abstract VCard getVCard(JID jid);
+	public abstract void setVCard(JID jid, VCard vcard);
+
+	public VCardStorage(CryptoProvider crypto) {
+		this.crypto = crypto;
+	}
+
+	public void delete() {};
+
+	public String getPhotoHash(final JID jid) {
+		VCard vCard = getVCard(jid);
+		if (vCard != null && vCard.getPhoto().getSize() != 0) {
+			return Hexify.hexify(crypto.getSHA1Hash(vCard.getPhoto()));
+		}
+		else {
+			return "";
+		}
+	}
+}