113 lines
4.4 KiB
Java
113 lines
4.4 KiB
Java
package cy.agorise.graphenej.api;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.reflect.TypeToken;
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import cy.agorise.graphenej.AssetAmount;
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import cy.agorise.graphenej.RPC;
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import cy.agorise.graphenej.interfaces.WitnessResponseListener;
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import cy.agorise.graphenej.models.ApiCall;
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import cy.agorise.graphenej.models.BaseResponse;
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import cy.agorise.graphenej.models.WitnessResponse;
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import com.neovisionaries.ws.client.WebSocket;
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import com.neovisionaries.ws.client.WebSocketException;
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import com.neovisionaries.ws.client.WebSocketFrame;
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import cy.agorise.graphenej.Asset;
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import cy.agorise.graphenej.BaseOperation;
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import java.io.Serializable;
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import java.lang.reflect.Type;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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/**
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* Class that implements get_required_fees request handler.
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*
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* For each operation calculate the required fee in the specified asset type.
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*
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* @see <a href="https://goo.gl/MB4TXq">get_required_fees API doc</a>
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*/
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public class GetRequiredFees extends BaseGrapheneHandler {
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private WitnessResponseListener mListener;
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private List<BaseOperation> operations;
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private Asset asset;
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private boolean mOneTime;
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/**
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* Default Constructor
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*
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* @param operations list of operations that fee should be calculated
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* @param asset specify the asset of the operations
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* @param oneTime boolean value indicating if WebSocket must be closed (true) or not
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* (false) after the response
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* @param listener A class implementing the WitnessResponseListener interface. This should
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* be implemented by the party interested in being notified about the
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* success/failure of the operation.
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*/
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public GetRequiredFees(List<BaseOperation> operations, Asset asset, boolean oneTime, WitnessResponseListener listener){
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super(listener);
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this.operations = operations;
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this.asset = asset;
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this.mOneTime = oneTime;
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this.mListener = listener;
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}
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/**
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* Using this constructor the WebSocket connection closes after the response.
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*
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* @param operations list of operations that fee should be calculated
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* @param asset specify the asset of the operations
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* @param listener A class implementing the WitnessResponseListener interface. This should
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* be implemented by the party interested in being notified about the
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* success/failure of the operation.
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*/
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public GetRequiredFees(List<BaseOperation> operations, Asset asset, WitnessResponseListener listener){
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this(operations, asset, true, listener);
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}
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@Override
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public void onConnected(WebSocket websocket, Map<String, List<String>> headers) throws Exception {
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ArrayList<Serializable> accountParams = new ArrayList<>();
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accountParams.add((Serializable) this.operations);
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accountParams.add(this.asset.getObjectId());
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ApiCall getRequiredFees = new ApiCall(0, RPC.CALL_GET_REQUIRED_FEES, accountParams, RPC.VERSION, 1);
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websocket.sendText(getRequiredFees.toJsonString());
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}
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@Override
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public void onTextFrame(WebSocket websocket, WebSocketFrame frame) throws Exception {
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String response = frame.getPayloadText();
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Gson gson = new Gson();
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Type GetRequiredFeesResponse = new TypeToken<WitnessResponse<List<AssetAmount>>>(){}.getType();
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GsonBuilder gsonBuilder = new GsonBuilder();
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gsonBuilder.registerTypeAdapter(AssetAmount.class, new AssetAmount.AssetAmountDeserializer());
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WitnessResponse<List<AssetAmount>> witnessResponse = gsonBuilder.create().fromJson(response, GetRequiredFeesResponse);
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if(witnessResponse.error != null){
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mListener.onError(witnessResponse.error);
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}else{
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mListener.onSuccess(witnessResponse);
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}
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}
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@Override
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public void onError(WebSocket websocket, WebSocketException cause) throws Exception {
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mListener.onError(new BaseResponse.Error(cause.getMessage()));
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if(mOneTime){
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websocket.disconnect();
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}
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}
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@Override
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public void handleCallbackError(WebSocket websocket, Throwable cause) throws Exception {
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mListener.onError(new BaseResponse.Error(cause.getMessage()));
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if(mOneTime){
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websocket.disconnect();
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}
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}
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}
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