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Add event interceptor to server config. #465

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24 changes: 22 additions & 2 deletions src/main/java/com/corundumstudio/socketio/Configuration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,18 +16,20 @@
package com.corundumstudio.socketio;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import javax.net.ssl.KeyManagerFactory;

import com.corundumstudio.socketio.handler.SuccessAuthorizationListener;
import com.corundumstudio.socketio.listener.DefaultExceptionListener;
import com.corundumstudio.socketio.listener.EventInterceptor;
import com.corundumstudio.socketio.listener.ExceptionListener;
import com.corundumstudio.socketio.protocol.JsonSupport;
import com.corundumstudio.socketio.store.MemoryStoreFactory;
import com.corundumstudio.socketio.store.StoreFactory;

import javax.net.ssl.KeyManagerFactory;

public class Configuration {

private ExceptionListener exceptionListener = new DefaultExceptionListener();
Expand Down Expand Up @@ -85,6 +87,8 @@ public class Configuration {
private boolean httpCompression = true;

private boolean websocketCompression = true;

private List<EventInterceptor> eventInterceptors = new ArrayList<EventInterceptor>();

public Configuration() {
}
Expand Down Expand Up @@ -151,6 +155,7 @@ public Configuration() {

setHttpCompression(conf.isHttpCompression());
setWebsocketCompression(conf.isWebsocketCompression());
setEventInterceptors(conf.getEventInterceptors());
}

public JsonSupport getJsonSupport() {
Expand Down Expand Up @@ -573,5 +578,20 @@ public void setWebsocketCompression(boolean websocketCompression) {
public boolean isWebsocketCompression() {
return websocketCompression;
}

/**
* Add interceptor will run when onEvent.
* @param eventInterceptor
*/
public void addEventInterceptor(EventInterceptor eventInterceptor){
this.eventInterceptors.add(eventInterceptor);
}
public List<EventInterceptor> getEventInterceptors(){
List<EventInterceptor> interceptors = new ArrayList<EventInterceptor>(eventInterceptors);
return interceptors;
}
private void setEventInterceptors(List<EventInterceptor> eventInterceptors){
this.eventInterceptors = eventInterceptors;
}

}
12 changes: 12 additions & 0 deletions src/main/java/com/corundumstudio/socketio/listener/EventInterceptor.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
package com.corundumstudio.socketio.listener;

import java.util.List;

import com.corundumstudio.socketio.AckRequest;
import com.corundumstudio.socketio.transport.NamespaceClient;

public interface EventInterceptor {

void onEvent(NamespaceClient client, String eventName, List<Object> args, AckRequest ackRequest);

}
13 changes: 13 additions & 0 deletions src/main/java/com/corundumstudio/socketio/namespace/Namespace.java
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Expand Up @@ -37,6 +37,7 @@
import com.corundumstudio.socketio.listener.ConnectListener;
import com.corundumstudio.socketio.listener.DataListener;
import com.corundumstudio.socketio.listener.DisconnectListener;
import com.corundumstudio.socketio.listener.EventInterceptor;
import com.corundumstudio.socketio.listener.ExceptionListener;
import com.corundumstudio.socketio.listener.MultiTypeEventListener;
import com.corundumstudio.socketio.protocol.JsonSupport;
Expand Down Expand Up @@ -72,6 +73,7 @@ public class Namespace implements SocketIONamespace {
private final JsonSupport jsonSupport;
private final StoreFactory storeFactory;
private final ExceptionListener exceptionListener;
private final List<EventInterceptor> eventInterceptors;

public Namespace(String name, Configuration configuration) {
super();
Expand All @@ -80,6 +82,7 @@ public Namespace(String name, Configuration configuration) {
this.storeFactory = configuration.getStoreFactory();
this.exceptionListener = configuration.getExceptionListener();
this.ackMode = configuration.getAckMode();
this.eventInterceptors = configuration.getEventInterceptors();
}

public void addClient(SocketIOClient client) {
Expand Down Expand Up @@ -137,6 +140,7 @@ public void onEvent(NamespaceClient client, String eventName, List<Object> args,
}

try {
runEventInterceptors(client, eventName, args, ackRequest);
Queue<DataListener> listeners = entry.getListeners();
for (DataListener dataListener : listeners) {
Object data = getEventData(args, dataListener);
Expand Down Expand Up @@ -360,4 +364,13 @@ public SocketIOClient getClient(UUID uuid) {
return allClients.get(uuid);
}

private void runEventInterceptors(NamespaceClient client, String eventName, List<Object> args, AckRequest ackRequest){
for(EventInterceptor interceptor:eventInterceptors){
try{
interceptor.onEvent(client, eventName, args, ackRequest);
}catch(Exception e){
e.printStackTrace();
}
}
}
}