First commit

src/main/java/cli/JsonSignedPreKeyStore.java

@@ -0,0 +1,84 @@
+package cli;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.whispersystems.libaxolotl.InvalidKeyIdException;
+import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
+import org.whispersystems.libaxolotl.state.SignedPreKeyStore;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+public class JsonSignedPreKeyStore implements SignedPreKeyStore {
+
+    private final Map<Integer, byte[]> store = new HashMap<>();
+
+    public JsonSignedPreKeyStore() {
+
+    }
+
+    public JsonSignedPreKeyStore(JSONArray list) throws IOException {
+        for (int i = 0; i < list.length(); i++) {
+            JSONObject k = list.getJSONObject(i);
+            try {
+                store.put(k.getInt("id"), Base64.decode(k.getString("record")));
+            } catch (IOException e) {
+                System.out.println("Error while decoding prekey for: " + k.getString("name"));
+            }
+        }
+    }
+
+    public JSONArray getJson() {
+        JSONArray result = new JSONArray();
+        for (Integer id : store.keySet()) {
+            result.put(new JSONObject().put("id", id.toString()).put("record", store.get(id)));
+        }
+        return result;
+    }
+
+    @Override
+    public SignedPreKeyRecord loadSignedPreKey(int signedPreKeyId) throws InvalidKeyIdException {
+        try {
+            if (!store.containsKey(signedPreKeyId)) {
+                throw new InvalidKeyIdException("No such signedprekeyrecord! " + signedPreKeyId);
+            }
+
+            return new SignedPreKeyRecord(store.get(signedPreKeyId));
+        } catch (IOException e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    @Override
+    public List<SignedPreKeyRecord> loadSignedPreKeys() {
+        try {
+            List<SignedPreKeyRecord> results = new LinkedList<>();
+
+            for (byte[] serialized : store.values()) {
+                results.add(new SignedPreKeyRecord(serialized));
+            }
+
+            return results;
+        } catch (IOException e) {
+            throw new AssertionError(e);
+        }
+    }
+
+    @Override
+    public void storeSignedPreKey(int signedPreKeyId, SignedPreKeyRecord record) {
+        store.put(signedPreKeyId, record.serialize());
+    }
+
+    @Override
+    public boolean containsSignedPreKey(int signedPreKeyId) {
+        return store.containsKey(signedPreKeyId);
+    }
+
+    @Override
+    public void removeSignedPreKey(int signedPreKeyId) {
+        store.remove(signedPreKeyId);
+    }
+}