/* * 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 * * http://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; /** * 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 is empty. */ @Override public void afterConnected(StompSession session, StompHeaders connectedHeaders) { } /** * 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, Object payload) { } /** * This implementation is empty. */ @Override public void handleException(StompSession session, StompCommand command, StompHeaders headers, byte[] payload, Throwable exception) { } /** * This implementation is empty. */ @Override public void handleTransportError(StompSession session, Throwable exception) { } }