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Added getAvatarHash to allow for avatar updates.
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2974 b35dd754-fafc-0310-a699-88a17e54d16e
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1 changed files with 25 additions and 0 deletions
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@ -34,6 +34,8 @@ import java.io.InputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.net.URL;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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@ -309,6 +311,7 @@ public class VCard extends IQ {
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/**
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* Specify the bytes for the avatar to use.
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*
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* @param bytes the bytes of the avatar.
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*/
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public void setAvatar(byte[] bytes) {
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@ -377,6 +380,28 @@ public class VCard extends IQ {
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return buffer;
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}
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/**
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* Returns the SHA-1 Hash of the Avatar image.
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* @return the SHA-1 Hash of the Avatar image.
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*/
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public String getAvatarHash() {
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byte[] bytes = getAvatar();
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if (bytes == null) {
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return null;
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}
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MessageDigest digest = null;
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try {
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digest = MessageDigest.getInstance("SHA-1");
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}
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catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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}
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digest.update(bytes);
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return StringUtils.encodeHex(digest.digest());
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}
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/**
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* Save this vCard for the user connected by 'connection'. Connection should be authenticated
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* and not anonymous.<p>
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