graphenej/graphenej/src/main/java/cy/agorise/graphenej/api/LookupAssetSymbols.java

96 lines
3.7 KiB
Java

package cy.agorise.graphenej.api;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.neovisionaries.ws.client.WebSocket;
import com.neovisionaries.ws.client.WebSocketFrame;
import java.io.Serializable;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import cy.agorise.graphenej.Asset;
import cy.agorise.graphenej.RPC;
import cy.agorise.graphenej.interfaces.WitnessResponseListener;
import cy.agorise.graphenej.models.ApiCall;
import cy.agorise.graphenej.models.WitnessResponse;
/**
* Class that implements lookup_asset_symbols request handler.
*
* Get the assets corresponding to the provided IDs.
*
* The response returns the assets corresponding to the provided symbols or IDs.
*
* @see <a href="https://goo.gl/WvREGV">lookup_asset_symbols API doc</a>
*/
public class LookupAssetSymbols extends BaseGrapheneHandler {
private WitnessResponseListener mListener;
private List<Asset> assets;
private boolean mOneTime;
/**
* Default Constructor
*
* @param assets list of the assets to retrieve
* @param oneTime boolean value indicating if WebSocket must be closed (true) or not
* (false) after the response
* @param listener A class implementing the WitnessResponseListener interface. This should
* be implemented by the party interested in being notified about the
* success/failure of the operation.
*/
public LookupAssetSymbols(List<Asset> assets, boolean oneTime, WitnessResponseListener listener){
super(listener);
this.assets = assets;
this.mOneTime = oneTime;
this.mListener = listener;
}
/**
* Using this constructor the WebSocket connection closes after the response.
*
* @param assets list of the assets to retrieve
* @param listener A class implementing the WitnessResponseListener interface. This should
* be implemented by the party interested in being notified about the
* success/failure of the operation.
*/
public LookupAssetSymbols(List<Asset> assets, WitnessResponseListener listener){
this(assets, true, listener);
}
@Override
public void onConnected(WebSocket websocket, Map<String, List<String>> headers) throws Exception {
ArrayList<Serializable> params = new ArrayList<>();
ArrayList<String> subArray = new ArrayList<>();
for(Asset asset : this.assets){
subArray.add(asset.getObjectId());
params.add(subArray);
}
ApiCall loginCall = new ApiCall(0, RPC.CALL_LOOKUP_ASSET_SYMBOLS, params, RPC.VERSION, 0);
websocket.sendText(loginCall.toJsonString());
}
@Override
public void onTextFrame(WebSocket websocket, WebSocketFrame frame) throws Exception {
String response = frame.getPayloadText();
System.out.println("<<< "+response);
GsonBuilder gsonBuilder = new GsonBuilder();
Type LookupAssetSymbolsResponse = new TypeToken<WitnessResponse<List<Asset>>>(){}.getType();
gsonBuilder.registerTypeAdapter(Asset.class, new Asset.AssetDeserializer());
WitnessResponse<List<Asset>> witnessResponse = gsonBuilder.create().fromJson(response, LookupAssetSymbolsResponse);
mListener.onSuccess(witnessResponse);
if(mOneTime){
websocket.disconnect();
}
}
@Override
public void onFrameSent(WebSocket websocket, WebSocketFrame frame) throws Exception {
if(frame.isTextFrame())
System.out.println(">>> "+frame.getPayloadText());
}
}