83 lines
2.7 KiB
Java
83 lines
2.7 KiB
Java
package cy.agorise.graphenej.api;
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import com.neovisionaries.ws.client.WebSocket;
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import com.neovisionaries.ws.client.WebSocketAdapter;
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import com.neovisionaries.ws.client.WebSocketException;
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import cy.agorise.graphenej.interfaces.NodeErrorListener;
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import cy.agorise.graphenej.interfaces.WitnessResponseListener;
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import cy.agorise.graphenej.models.BaseResponse;
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/**
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* Base class that should be extended by any implementation of a specific request to the full node.
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*/
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public abstract class BaseGrapheneHandler extends WebSocketAdapter {
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protected WitnessResponseListener mListener;
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protected NodeErrorListener mErrorListener;
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/**
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* The 'id' field of a message to the node. This is used in order to multiplex different messages
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* using the same websocket connection.
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*
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* For example:
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*
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* {"id":5,"method":"call","params":[0,"get_accounts",[["1.2.100"]]],"jsonrpc":"2.0"}
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*
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* The 'requestId' here is 5.
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*/
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protected long requestId;
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/**
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* Constructor (The original constructor, should be replaced with the one that receives
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* NodeErrorListener instead of WitnessResponseListener)
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*
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* @param listener listener to be notified in if an error occurs
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*/
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@Deprecated
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public BaseGrapheneHandler(WitnessResponseListener listener){
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this.mListener = listener;
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}
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/**
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* Constructor
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*
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* @param listener listener to be notified if an error occurs
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*/
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public BaseGrapheneHandler(NodeErrorListener listener){
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this.mErrorListener = listener;
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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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System.out.println("onError. cause: "+cause.getMessage());
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mErrorListener.onError(new BaseResponse.Error(cause.getMessage()));
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websocket.disconnect();
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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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System.out.println("handleCallbackError. message: "+cause.getMessage()+", error: "+cause.getClass());
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for (StackTraceElement element : cause.getStackTrace()){
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System.out.println(element.getFileName()+"#"+element.getClassName()+":"+element.getLineNumber());
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}
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// Should be replaced for mErrorListener (NodeErrorListener type) only in the future
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if(mErrorListener != null){
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mErrorListener.onError(new BaseResponse.Error(cause.getMessage()));
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}
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else{
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mListener.onError(new BaseResponse.Error(cause.getMessage()));
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}
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websocket.disconnect();
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}
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public void setRequestId(long id){
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this.requestId = id;
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}
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public long getRequestId(){
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return this.requestId;
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}
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}
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