spring-boot-splitter-eip/src/main/java/org/apache/camel/example/spring/boot/MyMessageTransformer.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,
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 *  * See the License for the specific language governing permissions and
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package org.apache.camel.example.spring.boot;

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

public class MyMessageTransformer {

	private final Map<String, String> messagesDictionary = new HashMap<>();

	public MyMessageTransformer() {
		messagesDictionary.put("A", "Alpha");
		messagesDictionary.put("B", "Beta");
		messagesDictionary.put("C", "Charlie");
	}

	public String transform(String key){
		if (!messagesDictionary.containsKey(key)){
			throw new IllegalArgumentException("Unknown key " + key);
		}
		return messagesDictionary.get(key);
	}
}