core/camel-core/src/test/java/org/apache/camel/impl/HeaderFilterStrategyComponentTest.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.camel.impl;

import java.util.Map;

import org.apache.camel.Consumer;
import org.apache.camel.Endpoint;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.spi.HeaderFilterStrategy;
import org.apache.camel.spi.HeaderFilterStrategyAware;
import org.apache.camel.support.DefaultEndpoint;
import org.apache.camel.support.DefaultHeaderFilterStrategy;
import org.apache.camel.support.HeaderFilterStrategyComponent;
import org.junit.Assert;
import org.junit.Test;

public class HeaderFilterStrategyComponentTest extends Assert {

    private static class MyComponent extends HeaderFilterStrategyComponent {

        MyComponent(Class<? extends Endpoint> endpointClass) {
        }

        @Override
        protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
            return null;
        }
    }

    private static class MyEndpoint extends DefaultEndpoint implements HeaderFilterStrategyAware {

        private HeaderFilterStrategy strategy;

        @Override
        public HeaderFilterStrategy getHeaderFilterStrategy() {
            return strategy;
        }

        @Override
        public void setHeaderFilterStrategy(HeaderFilterStrategy strategy) {
            this.strategy = strategy;
        }

        @Override
        public Producer createProducer() throws Exception {
            return null;
        }

        @Override
        public Consumer createConsumer(Processor processor) throws Exception {
            return null;
        }

        @Override
        public boolean isSingleton() {
            return true;
        }
    }

    @Test
    public void testHeaderFilterStrategyComponent() {
        MyComponent comp = new MyComponent(MyEndpoint.class);
        assertNull(comp.getHeaderFilterStrategy());

        HeaderFilterStrategy strategy = new DefaultHeaderFilterStrategy();
        comp.setHeaderFilterStrategy(strategy);

        assertSame(strategy, comp.getHeaderFilterStrategy());
    }

    @Test
    public void testHeaderFilterStrategyAware() {
        MyComponent comp = new MyComponent(MyEndpoint.class);
        assertNull(comp.getHeaderFilterStrategy());

        HeaderFilterStrategy strategy = new DefaultHeaderFilterStrategy();
        comp.setHeaderFilterStrategy(strategy);

        MyEndpoint my = new MyEndpoint();
        comp.setEndpointHeaderFilterStrategy(my);

        assertSame(strategy, my.getHeaderFilterStrategy());
        assertSame(strategy, comp.getHeaderFilterStrategy());
    }

}