/** * 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.activemq.transport.amqp.client; import java.util.concurrent.atomic.AtomicReference; import org.apache.qpid.proton.amqp.Binary; import org.apache.qpid.proton.amqp.transport.Attach; import org.apache.qpid.proton.amqp.transport.Begin; import org.apache.qpid.proton.amqp.transport.Close; import org.apache.qpid.proton.amqp.transport.Detach; import org.apache.qpid.proton.amqp.transport.Disposition; import org.apache.qpid.proton.amqp.transport.End; import org.apache.qpid.proton.amqp.transport.Flow; import org.apache.qpid.proton.amqp.transport.Open; import org.apache.qpid.proton.amqp.transport.Transfer; /** * Abstract base for a validation hook that is used in tests to check * the values of incoming or outgoing AMQP frames. */ public class AmqpFrameValidator { private AtomicReference<String> errorMessage = new AtomicReference<>(); public void inspectOpen(Open open, Binary encoded) { } public void inspectBegin(Begin begin, Binary encoded) { } public void inspectAttach(Attach attach, Binary encoded) { } public void inspectFlow(Flow flow, Binary encoded) { } public void inspectTransfer(Transfer transfer, Binary encoded) { } public void inspectDisposition(Disposition disposition, Binary encoded) { } public void inspectDetach(Detach detach, Binary encoded) { } public void inspectEnd(End end, Binary encoded) { } public void inspectClose(Close close, Binary encoded) { } public boolean isValid() { return errorMessage.get() != null; } public final void clearErrorMessage() { errorMessage.set(null); } public final String getErrorMessage() { return errorMessage.get(); } protected final boolean markAsInvalid(String message) { if (message == null) { throw new NullPointerException("Provided error message cannot be null!"); } return errorMessage.compareAndSet(null, message); } public final void assertValid() { final String assertionErrorMessage = errorMessage.get(); if (assertionErrorMessage != null) { throw new AssertionError(assertionErrorMessage); } } }