protonj2-test-driver/src/main/java/org/apache/qpid/protonj2/test/driver/matchers/messaging/AbstractListSectionMatcher.java

/*
 * 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.qpid.protonj2.test.driver.matchers.messaging;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.qpid.protonj2.test.driver.codec.primitives.Symbol;
import org.apache.qpid.protonj2.test.driver.codec.primitives.UnsignedLong;
import org.hamcrest.Matcher;

public abstract class AbstractListSectionMatcher extends AbstractMessageSectionMatcher {

    public AbstractListSectionMatcher(UnsignedLong numericDescriptor, Symbol symbolicDescriptor, Map<Object, Matcher<?>> fieldMatchers, boolean expectTrailingBytes) {
        super(numericDescriptor, symbolicDescriptor, fieldMatchers, expectTrailingBytes);
    }

    @SuppressWarnings("unchecked")
    @Override
    protected void verifyReceivedDescribedObject(Object described) {
        if (!(described instanceof List)) {
            throw new IllegalArgumentException(
                "Unexpected section contents. Expected List, but got: " + (described == null ? "null" : described.getClass()));
        }

        int fieldNumber = 0;
        Map<Object, Object> valueMap = new HashMap<>();
        for (Object value : (List<Object>) described) {
            valueMap.put(getField(fieldNumber++), value);
        }

        verifyReceivedFields(valueMap);
    }
}