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Allow Java database module to deal with Array data types #5

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Merged
Salakar merged 1 commit into from
Nov 21, 2016
Merged

Allow Java database module to deal with Array data types #5

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50 changes: 0 additions & 50 deletions android/src/main/java/io/fullstack/firestack/FirestackDatabase.java
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Original file line number Diff line number Diff line change
Expand Up @@ -618,54 +618,4 @@ private DatabaseReference getDatabaseReferenceAtPath(final String path) {
DatabaseReference mDatabase = FirebaseDatabase.getInstance().getReference(path);
return mDatabase;
}


//private WritableMap dataSnapshotToMap(String name, String path, DataSnapshot dataSnapshot) {
// return FirestackUtils.dataSnapshotToMap(name, path, dataSnapshot);
//}

private <Any> Any castSnapshotValue(DataSnapshot snapshot) {
if (snapshot.hasChildren()) {
WritableMap data = Arguments.createMap();
for (DataSnapshot child : snapshot.getChildren()) {
Any castedChild = castSnapshotValue(child);
switch (castedChild.getClass().getName()) {
case "java.lang.Boolean":
data.putBoolean(child.getKey(), (Boolean) castedChild);
break;
case "java.lang.Long":
data.putDouble(child.getKey(), (Long) castedChild);
break;
case "java.lang.Double":
data.putDouble(child.getKey(), (Double) castedChild);
break;
case "java.lang.String":
data.putString(child.getKey(), (String) castedChild);
break;
case "com.facebook.react.bridge.WritableNativeMap":
data.putMap(child.getKey(), (WritableMap) castedChild);
break;
}
}
return (Any) data;
} else {
if (snapshot.getValue() != null) {
String type = snapshot.getValue().getClass().getName();
switch (type) {
case "java.lang.Boolean":
return (Any)((Boolean) snapshot.getValue());
case "java.lang.Long":
return (Any) ((Long) snapshot.getValue());
case "java.lang.Double":
return (Any)((Double) snapshot.getValue());
case "java.lang.String":
return (Any)((String) snapshot.getValue());
default:
return (Any) null;
}
} else {
return (Any) null;
}
}
}
}
111 changes: 86 additions & 25 deletions android/src/main/java/io/fullstack/firestack/FirestackUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -109,32 +109,11 @@ public static WritableMap dataSnapshotToMap(

public static <Any> Any castSnapshotValue(DataSnapshot snapshot) {
if (snapshot.hasChildren()) {
WritableMap data = Arguments.createMap();
for (DataSnapshot child : snapshot.getChildren()) {
Any castedChild = castSnapshotValue(child);
switch (castedChild.getClass().getName()) {
case "java.lang.Boolean":
data.putBoolean(child.getKey(), (Boolean) castedChild);
break;
case "java.lang.Long":
Long longVal = (Long) castedChild;
data.putDouble(child.getKey(), (double) longVal);
break;
case "java.lang.Double":
data.putDouble(child.getKey(), (Double) castedChild);
break;
case "java.lang.String":
data.putString(child.getKey(), (String) castedChild);
break;
case "com.facebook.react.bridge.WritableNativeMap":
data.putMap(child.getKey(), (WritableMap) castedChild);
break;
default:
Log.w(TAG, "Invalid type: " + castedChild.getClass().getName());
break;
}
if (isArray(snapshot)) {
return (Any) buildArray(snapshot);
} else {
return (Any) buildMap(snapshot);
}
return (Any) data;
} else {
if (snapshot.getValue() != null) {
String type = snapshot.getValue().getClass().getName();
Expand All @@ -156,6 +135,88 @@ public static <Any> Any castSnapshotValue(DataSnapshot snapshot) {
}
}

private static boolean isArray(DataSnapshot snapshot) {
long expectedKey = 0;
for (DataSnapshot child : snapshot.getChildren()) {
try {
long key = Long.parseLong(child.getKey());
if (key == expectedKey) {
expectedKey++;
} else {
return false;
}
} catch (NumberFormatException ex) {
return false;
}
}
return true;
}

private static <Any> WritableArray buildArray(DataSnapshot snapshot) {
WritableArray array = Arguments.createArray();
for (DataSnapshot child : snapshot.getChildren()) {
Any castedChild = castSnapshotValue(child);
switch (castedChild.getClass().getName()) {
case "java.lang.Boolean":
array.pushBoolean((Boolean) castedChild);
break;
case "java.lang.Long":
Long longVal = (Long) castedChild;
array.pushDouble((double) longVal);
break;
case "java.lang.Double":
array.pushDouble((Double) castedChild);
break;
case "java.lang.String":
array.pushString((String) castedChild);
break;
case "com.facebook.react.bridge.WritableNativeMap":
array.pushMap((WritableMap) castedChild);
break;
case "com.facebook.react.bridge.WritableNativeArray":
array.pushArray((WritableArray) castedChild);
break;
default:
Log.w(TAG, "Invalid type: " + castedChild.getClass().getName());
break;
}
}
return array;
}

private static <Any> WritableMap buildMap(DataSnapshot snapshot) {
WritableMap map = Arguments.createMap();
for (DataSnapshot child : snapshot.getChildren()) {
Any castedChild = castSnapshotValue(child);

switch (castedChild.getClass().getName()) {
case "java.lang.Boolean":
map.putBoolean(child.getKey(), (Boolean) castedChild);
break;
case "java.lang.Long":
Long longVal = (Long) castedChild;
map.putDouble(child.getKey(), (double) longVal);
break;
case "java.lang.Double":
map.putDouble(child.getKey(), (Double) castedChild);
break;
case "java.lang.String":
map.putString(child.getKey(), (String) castedChild);
break;
case "com.facebook.react.bridge.WritableNativeMap":
map.putMap(child.getKey(), (WritableMap) castedChild);
break;
case "com.facebook.react.bridge.WritableNativeArray":
map.putArray(child.getKey(), (WritableArray) castedChild);
break;
default:
Log.w(TAG, "Invalid type: " + castedChild.getClass().getName());
break;
}
}
return map;
}

public static WritableArray getChildKeys(DataSnapshot snapshot) {
WritableArray childKeys = Arguments.createArray();

Expand Down