141 lines
5.8 KiB
Java
141 lines
5.8 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.JsonArray;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonParser;
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import com.neovisionaries.ws.client.WebSocket;
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import com.neovisionaries.ws.client.WebSocketFrame;
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import java.io.Serializable;
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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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import cy.agorise.graphenej.AccountOptions;
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import cy.agorise.graphenej.Asset;
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import cy.agorise.graphenej.AssetAmount;
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import cy.agorise.graphenej.Authority;
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import cy.agorise.graphenej.GrapheneObject;
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import cy.agorise.graphenej.RPC;
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import cy.agorise.graphenej.UserAccount;
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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.AssetFeed;
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import cy.agorise.graphenej.models.BitAssetData;
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import cy.agorise.graphenej.models.ReportedAssetFeed;
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import cy.agorise.graphenej.models.WitnessResponse;
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/**
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*
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* Class that implements get_objects request handler.
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*
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* Get the objects corresponding to the provided IDs.
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*
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* The response returns a list of objects retrieved, in the order they are mentioned in ids
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*
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* @see <a href="https://goo.gl/isRfeg">get_objects API doc</a>
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*
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*/
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public class GetObjects extends BaseGrapheneHandler {
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private List<String> ids;
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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 ids list of IDs of the objects to retrieve
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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 GetObjects(List<String> ids, boolean oneTime, WitnessResponseListener listener){
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super(listener);
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this.ids = ids;
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this.mOneTime = oneTime;
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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 ids list of IDs of the objects to retrieve
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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 GetObjects(List<String> ids, WitnessResponseListener listener){
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this(ids, 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> params = new ArrayList<>();
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ArrayList<Serializable> subParams = new ArrayList<>();
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subParams.addAll(this.ids);
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params.add(subParams);
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ApiCall apiCall = new ApiCall(0, RPC.CALL_GET_OBJECTS, params, RPC.VERSION, 0);
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websocket.sendText(apiCall.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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if(frame.isTextFrame()){
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System.out.println("<< "+frame.getPayloadText());
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}
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String response = frame.getPayloadText();
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GsonBuilder gsonBuilder = new GsonBuilder();
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gsonBuilder.registerTypeAdapter(BitAssetData.class, new BitAssetData.BitAssetDataDeserializer());
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gsonBuilder.registerTypeAdapter(AssetFeed.class, new AssetFeed.AssetFeedDeserializer());
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gsonBuilder.registerTypeAdapter(ReportedAssetFeed.class, new ReportedAssetFeed.ReportedAssetFeedDeserializer());
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gsonBuilder.registerTypeAdapter(AssetAmount.class, new AssetAmount.AssetAmountDeserializer());
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gsonBuilder.registerTypeAdapter(Asset.class, new Asset.AssetDeserializer());
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gsonBuilder.registerTypeAdapter(UserAccount.class, new UserAccount.UserAccountFullDeserializer());
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gsonBuilder.registerTypeAdapter(Authority.class, new Authority.AuthorityDeserializer());
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gsonBuilder.registerTypeAdapter(AccountOptions.class, new AccountOptions.AccountOptionsDeserializer());
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Gson gson = gsonBuilder.create();
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List<GrapheneObject> parsedResult = new ArrayList<>();
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JsonParser parser = new JsonParser();
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JsonArray resultArray = parser.parse(response).getAsJsonObject().get(WitnessResponse.KEY_RESULT).getAsJsonArray();
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for(int i = 0; i < resultArray.size(); i++){
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JsonElement element = resultArray.get(i);
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String id = element.getAsJsonObject().get(GrapheneObject.KEY_ID).getAsString();
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GrapheneObject grapheneObject = new GrapheneObject(id);
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switch (grapheneObject.getObjectType()){
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case ASSET_OBJECT:
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Asset asset = gson.fromJson(element, Asset.class);
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parsedResult.add(asset);
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break;
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case ACCOUNT_OBJECT:
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UserAccount account = gson.fromJson(element, UserAccount.class);
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parsedResult.add(account);
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break;
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case ASSET_BITASSET_DATA:
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BitAssetData bitAssetData = gson.fromJson(element, BitAssetData.class);
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parsedResult.add(bitAssetData);
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break;
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}
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}
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WitnessResponse<List<GrapheneObject>> output = new WitnessResponse<>();
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output.result = parsedResult;
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mListener.onSuccess(output);
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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 onFrameSent(WebSocket websocket, WebSocketFrame frame) throws Exception {
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if(frame.isTextFrame()){
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System.out.println(">> "+frame.getPayloadText());
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}
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}
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}
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