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Camel Spark (REST DSL) support

There is a newer version: 3.1.0

/**
 * 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.component.sparkrest;

import org.apache.camel.Endpoint;
import org.apache.camel.Processor;
import org.apache.camel.impl.DefaultConsumer;

public class SparkConsumer extends DefaultConsumer {

    private final CamelSparkRoute route;
    private boolean enableCors;

    public SparkConsumer(Endpoint endpoint, Processor processor, CamelSparkRoute route) {
        super(endpoint, processor);
        this.route = route;
    }

    @Override
    public SparkEndpoint getEndpoint() {
        return (SparkEndpoint) super.getEndpoint();
    }

    public boolean isEnableCors() {
        return enableCors;
    }

    public void setEnableCors(boolean enableCors) {
        this.enableCors = enableCors;
    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();

        String verb = getEndpoint().getVerb();
        String path = getEndpoint().getPath();
        String accept = getEndpoint().getAccept();
        boolean matchOnUriPrefix = getEndpoint().getSparkConfiguration().isMatchOnUriPrefix();

        if (accept != null) {
            log.debug("Spark-rest: {}({}) accepting: {}", verb, path, accept);
        } else {
            log.debug("Spark-rest: {}({})", verb, path);
        }
        CamelSpark.spark(verb, path, accept, route);

        // special if cors is enabled in rest-dsl then we need a spark-route to trigger cors support
        if (enableCors && !"options".equals(verb)) {
            CamelSpark.spark("options", path, accept, route);
        }

        if (matchOnUriPrefix) {
            CamelSpark.spark(verb, path + "/*", accept, route);
        }
    }

}