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/*
* 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.camel.support;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.function.Supplier;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.spi.HeadersMapFactory;
import org.apache.camel.util.ObjectHelper;
/**
* The default implementation of {@link org.apache.camel.Message}
*
* This implementation uses a {@link org.apache.camel.util.CaseInsensitiveMap} storing the headers.
* This allows us to be able to lookup headers using case insensitive keys, making it easier for end users
* as they do not have to be worried about using exact keys.
* See more details at {@link org.apache.camel.util.CaseInsensitiveMap}.
* The implementation of the map can be configured by the {@link HeadersMapFactory} which can be set
* on the {@link CamelContext}. The default implementation uses the {@link org.apache.camel.util.CaseInsensitiveMap CaseInsensitiveMap}.
*/
public class DefaultMessage extends MessageSupport {
private Map headers;
public DefaultMessage(Exchange exchange) {
setExchange(exchange);
setCamelContext(exchange != null ? exchange.getContext() : null);
}
public DefaultMessage(CamelContext camelContext) {
setCamelContext(camelContext);
}
@Override
public Object getHeader(String name) {
if (hasHeaders()) {
return getHeaders().get(name);
} else {
return null;
}
}
@Override
public Object getHeader(String name, Object defaultValue) {
Object answer = getHeaders().get(name);
return answer != null ? answer : defaultValue;
}
@Override
public Object getHeader(String name, Supplier