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Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils/AvatarUtil.java')
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/AvatarUtil.java40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/AvatarUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/AvatarUtil.java
index 63dc320e..b6ffd570 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/AvatarUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/AvatarUtil.java
@@ -1,12 +1,14 @@
package de.thedevstack.conversationsplus.utils;
import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
import android.net.Uri;
import android.util.Base64;
import android.util.Base64OutputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
+import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
@@ -60,6 +62,44 @@ public final class AvatarUtil {
} catch (IOException e) {
return null;
}
+
+ }
+
+ public static Avatar getStoredPepAvatar(String hash) {
+ if (hash == null) {
+ return null;
+ }
+ Avatar avatar = new Avatar();
+ File file = new File(getAvatarPath(hash));
+ FileInputStream is = null;
+ try {
+ BitmapFactory.Options options = new BitmapFactory.Options();
+ options.inJustDecodeBounds = true;
+ BitmapFactory.decodeFile(file.getAbsolutePath(), options);
+ is = new FileInputStream(file);
+ ByteArrayOutputStream mByteArrayOutputStream = new ByteArrayOutputStream();
+ Base64OutputStream mBase64OutputStream = new Base64OutputStream(mByteArrayOutputStream, Base64.DEFAULT);
+ MessageDigest digest = MessageDigest.getInstance("SHA-1");
+ DigestOutputStream os = new DigestOutputStream(mBase64OutputStream, digest);
+ byte[] buffer = new byte[4096];
+ int length;
+ while ((length = is.read(buffer)) > 0) {
+ os.write(buffer, 0, length);
+ }
+ os.flush();
+ os.close();
+ avatar.sha1sum = CryptoHelper.bytesToHex(digest.digest());
+ avatar.image = new String(mByteArrayOutputStream.toByteArray());
+ avatar.height = options.outHeight;
+ avatar.width = options.outWidth;
+ return avatar;
+ } catch (IOException e) {
+ return null;
+ } catch (NoSuchAlgorithmException e) {
+ return null;
+ } finally {
+ StreamUtil.close(is);
+ }
}
/**