/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tomcat.websocket.pojo;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
import jakarta.websocket.DecodeException;
import jakarta.websocket.MessageHandler;
import jakarta.websocket.Session;
import org.apache.tomcat.websocket.WsSession;
/**
* Common implementation code for the POJO partial message handlers. All the real work is done in this class and in the
* superclass.
*
* @param <T> The type of message to handle
*/
public abstract class PojoMessageHandlerPartialBase<T> extends PojoMessageHandlerBase<T>
implements MessageHandler.Partial<T> {
private final int indexBoolean;
public PojoMessageHandlerPartialBase(Object pojo, Method method, Session session, Object[] params, int indexPayload,
boolean convert, int indexBoolean, int indexSession, long maxMessageSize) {
super(pojo, method, session, params, indexPayload, convert, indexSession, maxMessageSize);
this.indexBoolean = indexBoolean;
}
@Override
public final void onMessage(T message, boolean last) {
if (params.length == 1 && params[0] instanceof DecodeException) {
((WsSession) session).getLocal().onError(session, (DecodeException) params[0]);
return;
}
Object[] parameters = params.clone();
if (indexBoolean != -1) {
parameters[indexBoolean] = Boolean.valueOf(last);
}
if (indexSession != -1) {
parameters[indexSession] = session;
}
if (convert) {
parameters[indexPayload] = ((ByteBuffer) message).array();
} else {
parameters[indexPayload] = message;
}
Object result = null;
try {
result = method.invoke(pojo, parameters);
} catch (InvocationTargetException e) {
handlePojoMethodInvocationTargetException(e);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
processResult(result);
}
}