org.springframework.messaging.simp.stomp.StompSessionHandlerAdapter Maven / Gradle / Ivy
/*
* Copyright 2002-2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.messaging.simp.stomp;
import java.lang.reflect.Type;
import org.springframework.lang.Nullable;
/**
* Abstract adapter class for {@link StompSessionHandler} with mostly empty
* implementation methods except for {@link #getPayloadType} which returns String
* as the default Object type expected for STOMP ERROR frame payloads.
*
* @author Rossen Stoyanchev
* @since 4.2
*/
public abstract class StompSessionHandlerAdapter implements StompSessionHandler {
/**
* This implementation returns String as the expected payload type
* for STOMP ERROR frames.
*/
@Override
public Type getPayloadType(StompHeaders headers) {
return String.class;
}
/**
* This implementation is empty.
*/
@Override
public void handleFrame(StompHeaders headers, @Nullable Object payload) {
}
/**
* This implementation is empty.
*/
@Override
public void afterConnected(StompSession session, StompHeaders connectedHeaders) {
}
/**
* This implementation is empty.
*/
@Override
public void handleException(StompSession session, @Nullable StompCommand command,
StompHeaders headers, byte[] payload, Throwable exception) {
}
/**
* This implementation is empty.
*/
@Override
public void handleTransportError(StompSession session, Throwable exception) {
}
}