Example usage for android.hardware.camera2 CameraMetadata getClass

Introduction

In this page you can find the example usage for android.hardware.camera2 CameraMetadata getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:com.android.camera2.its.ItsSerializer.java

private static Object getKeyValue(CameraMetadata md, Object keyObj) throws ItsException {
    if (md.getClass() == CaptureResult.class || md.getClass() == TotalCaptureResult.class) {
        return ((CaptureResult) md).get((CaptureResult.Key) keyObj);
    } else if (md.getClass() == CaptureRequest.class) {
        return ((CaptureRequest) md).get((CaptureRequest.Key) keyObj);
    } else if (md.getClass() == CameraCharacteristics.class) {
        return ((CameraCharacteristics) md).get((CameraCharacteristics.Key) keyObj);
    }//from   ww  w .  j av  a2 s  . c  o m
    throw new ItsException("Invalid key object");
}

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From source file:com.android.camera2.its.ItsSerializer.java

@SuppressWarnings("unchecked")
public static JSONObject serialize(CameraMetadata md) throws ItsException {
    JSONObject jsonObj = new JSONObject();
    Field[] allFields = md.getClass().getDeclaredFields();
    if (md.getClass() == TotalCaptureResult.class) {
        allFields = CaptureResult.class.getDeclaredFields();
    }//from  ww w  .  j ava2 s  .c o m
    for (Field field : allFields) {
        if (Modifier.isPublic(field.getModifiers()) && Modifier.isStatic(field.getModifiers())
                && (field.getType() == CaptureRequest.Key.class || field.getType() == CaptureResult.Key.class
                        || field.getType() == TotalCaptureResult.Key.class
                        || field.getType() == CameraCharacteristics.Key.class)
                && field.getGenericType() instanceof ParameterizedType) {
            ParameterizedType paramType = (ParameterizedType) field.getGenericType();
            Type[] argTypes = paramType.getActualTypeArguments();
            if (argTypes.length > 0) {
                try {
                    Type keyType = argTypes[0];
                    Object keyObj = field.get(md);
                    MetadataEntry entry;
                    if (keyType instanceof GenericArrayType) {
                        entry = serializeArrayEntry(keyType, keyObj, md);
                    } else {
                        entry = serializeEntry(keyType, keyObj, md);
                    }

                    // TODO: Figure this weird case out.
                    // There is a weird case where the entry is non-null but the toString
                    // of the entry is null, and if this happens, the null-ness spreads like
                    // a virus and makes the whole JSON object null from the top level down.
                    // Not sure if it's a bug in the library or I'm just not using it right.
                    // Workaround by checking for this case explicitly and not adding the
                    // value to the jsonObj when it is detected.
                    if (entry != null && entry.key != null && entry.value != null
                            && entry.value.toString() == null) {
                        Logt.w(TAG, "Error encountered serializing value for key: " + entry.key);
                    } else if (entry != null) {
                        jsonObj.put(entry.key, entry.value);
                    } else {
                        // Ignore.
                    }
                } catch (IllegalAccessException e) {
                    throw new ItsException("Access error for field: " + field + ": ", e);
                } catch (org.json.JSONException e) {
                    throw new ItsException("JSON error for field: " + field + ": ", e);
                }
            }
        }
    }
    return jsonObj;
}

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