DirectVmHeaderFilterStrategyTest.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.component.directvm;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.spi.HeaderFilterStrategy;

/**
 *
 */
public class DirectVmHeaderFilterStrategyTest extends ContextTestSupport {

    public void testPropertiesPropagatedOrNot() throws Exception {
        context.getRegistry(JndiRegistry.class).bind("headerFilterStrategy", new HeaderFilterStrategy() {
            @Override
            public boolean applyFilterToExternalHeaders(String headerName, Object headerValue, Exchange exchange) {
                return headerName.equals("Header2");
            }
            
            @Override
            public boolean applyFilterToCamelHeaders(String headerName, Object headerValue, Exchange exchange) {
                return headerName.equals("Header1");
            }
        });
        
        Exchange response = template.request("direct-vm:start.filter?headerFilterStrategy=#headerFilterStrategy", exchange -> {
            exchange.getIn().setBody("Hello World");
            exchange.getIn().setHeader("Header1", "Value1");
        });
        
        assertNull(response.getException());
        assertNull(response.getOut().getHeader("Header2"));
        
        response = template.request("direct-vm:start.nofilter", exchange -> {
            exchange.getIn().setBody("Hello World");
            exchange.getIn().setHeader("Header1", "Value1");
        });
        
        assertNull(response.getException());
        assertEquals("Value2", response.getOut().getHeader("Header2", String.class));
        
    }

    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                from("direct-vm:start.filter")
                    .process(exchange -> {
                        assertNull(exchange.getIn().getHeader("Header1"));
                        exchange.getIn().setHeader("Header2", "Value2");
                    });
                
                from("direct-vm:start.nofilter")
                    .process(exchange -> {
                        assertEquals("Value1", exchange.getIn().getHeader("Header1"));
                        exchange.getIn().setHeader("Header2", "Value2");
                    });
            }
        };
    }

}