/**
* 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.builder;
import java.util.ArrayList;
import java.util.Collections;
import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.TestSupport;
import org.apache.camel.ValidationException;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.processor.DelegateProcessor;
/**
* @version $Revision: 689379 $
*/
public class BuilderWithScopesTest extends TestSupport {
final ArrayList<String> order = new ArrayList<String>();
final DelegateProcessor interceptor1 = new DelegateProcessor() {
@Override
public void process(Exchange exchange) throws Exception {
order.add("START:1");
super.process(exchange);
order.add("END:1");
}
};
final DelegateProcessor interceptor2 = new DelegateProcessor() {
@Override
public void process(Exchange exchange) throws Exception {
order.add("START:2");
super.process(exchange);
order.add("END:2");
}
};
final Processor orderProcessor = new Processor() {
public void process(Exchange exchange) {
order.add("INVOKED");
}
};
final Processor orderProcessor2 = new Processor() {
public void process(Exchange exchange) {
order.add("INVOKED2");
}
};
final Processor orderProcessor3 = new Processor() {
public void process(Exchange exchange) {
order.add("INVOKED3");
}
};
final Processor toProcessor = new Processor() {
public void process(Exchange exchange) {
order.add("TO");
}
};
final Processor validator = new Processor() {
public void process(Exchange exchange) throws Exception {
order.add("VALIDATE");
Object value = exchange.getIn().getHeader("foo");
if (value == null) {
throw new IllegalArgumentException("The foo header is not present.");
} else if (!value.equals("bar")) {
throw new ValidationException(exchange, "The foo header does not equal bar! Was: " + value);
}
}
};
protected void runTest(RouteBuilder builder, ArrayList<String> expected) throws Exception {
runTest(builder, expected, null);
}
protected void runTest(RouteBuilder builder, ArrayList<String> expected, String header) throws Exception {
order.clear();
CamelContext container = new DefaultCamelContext();
container.addRoutes(builder);
container.start();
Endpoint endpoint = container.getEndpoint("direct:a");
Exchange exchange = endpoint.createExchange();
if (header != null) {
exchange.getIn().setHeader("foo", header);
}
Producer producer = endpoint.createProducer();
producer.process(exchange);
log.debug("Interceptor invocation order:" + order);
assertEquals(expected, order);
}
public void testRouteWithFilterEnd() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("TO");
runTest(new RouteBuilder() {
public void configure() {
from("direct:a").filter(header("foo").isEqualTo("bar")).process(orderProcessor).end()
.process(toProcessor);
}
}, expected, "banana");
}
public void testRouteWithFilterNoEnd() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
runTest(new RouteBuilder() {
public void configure() {
from("direct:a").filter(header("foo").isEqualTo("bar")).process(orderProcessor)
.process(toProcessor);
}
}, expected, "banana");
}
protected RouteBuilder createChoiceBuilder() {
return new RouteBuilder() {
public void configure() {
from("direct:a").choice().when(header("foo").isEqualTo("bar")).process(orderProcessor)
.when(header("foo").isEqualTo("cheese")).process(orderProcessor2).end()
.process(toProcessor);
}
};
}
public void testRouteWithChoice1() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED");
expected.add("TO");
runTest(createChoiceBuilder(), expected, "bar");
}
public void testRouteWithChoice2() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED2");
expected.add("TO");
runTest(createChoiceBuilder(), expected, "cheese");
}
public void testRouteWithChoice3() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("TO");
runTest(createChoiceBuilder(), expected, "banana");
}
public void testRouteWithChoiceNoEnd() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED");
runTest(new RouteBuilder() {
public void configure() {
from("direct:a").choice().when(header("foo").isEqualTo("bar")).process(orderProcessor)
.when(header("foo").isEqualTo("cheese")).process(orderProcessor2).process(toProcessor); // continuation of the second when clause
}
}, expected, "bar");
}
protected RouteBuilder createChoiceWithOtherwiseBuilder() {
return new RouteBuilder() {
public void configure() {
from("direct:a").choice().when(header("foo").isEqualTo("bar")).process(orderProcessor)
.when(header("foo").isEqualTo("cheese")).process(orderProcessor2).otherwise()
.process(orderProcessor3).end().process(toProcessor);
}
};
}
public void testRouteWithChoiceOtherwise1() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED");
expected.add("TO");
runTest(createChoiceWithOtherwiseBuilder(), expected, "bar");
}
public void testRouteWithChoiceOtherwise2() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED2");
expected.add("TO");
runTest(createChoiceWithOtherwiseBuilder(), expected, "cheese");
}
public void testRouteWithChoiceOtherwise3() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED3");
expected.add("TO");
runTest(createChoiceWithOtherwiseBuilder(), expected, "banana");
}
public void testRouteWithChoiceOtherwiseNoEnd() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("INVOKED");
runTest(new RouteBuilder() {
public void configure() {
from("direct:a").choice().when(header("foo").isEqualTo("bar")).process(orderProcessor)
.when(header("foo").isEqualTo("cheese")).process(orderProcessor2).otherwise()
.process(orderProcessor3).process(toProcessor); // continuation of the otherwise clause
}
}, expected, "bar");
}
protected RouteBuilder createTryCatchNoEnd() {
return new RouteBuilder() {
public void configure() {
from("direct:a").tryBlock().process(validator).process(toProcessor)
.handle(ValidationException.class).process(orderProcessor).process(orderProcessor3); // continuation of the handle clause
}
};
}
public void testRouteWithTryCatchNoEndNoException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("TO");
runTest(createTryCatchNoEnd(), expected, "bar");
}
public void testRouteWithTryCatchNoEndWithCaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("INVOKED");
expected.add("INVOKED3");
runTest(createTryCatchNoEnd(), expected, "banana");
}
public void testRouteWithTryCatchNoEndWithUncaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.addAll(Collections.nCopies(6, "VALIDATE"));
runTest(createTryCatchNoEnd(), expected);
}
protected RouteBuilder createTryCatchEnd() {
return new RouteBuilder() {
public void configure() {
from("direct:a").tryBlock().process(validator).process(toProcessor)
.handle(ValidationException.class).process(orderProcessor).end().process(orderProcessor3);
}
};
}
public void testRouteWithTryCatchEndNoException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("TO");
expected.add("INVOKED3");
runTest(createTryCatchEnd(), expected, "bar");
}
public void testRouteWithTryCatchEndWithCaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("INVOKED");
expected.add("INVOKED3");
runTest(createTryCatchEnd(), expected, "banana");
}
public void testRouteWithTryCatchEndWithUncaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.addAll(Collections.nCopies(6, "VALIDATE"));
runTest(createTryCatchEnd(), expected);
}
protected RouteBuilder createTryCatchFinallyNoEnd() {
return new RouteBuilder() {
public void configure() {
errorHandler(deadLetterChannel().maximumRedeliveries(1));
from("direct:a").tryBlock().process(validator).process(toProcessor)
.handle(ValidationException.class).process(orderProcessor).finallyBlock()
.process(orderProcessor2).process(orderProcessor3); // continuation of the finallyBlock clause
}
};
}
public void testRouteWithTryCatchFinallyNoEndNoException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("TO");
expected.add("INVOKED2");
expected.add("INVOKED3");
runTest(createTryCatchFinallyNoEnd(), expected, "bar");
}
public void testRouteWithTryCatchFinallyNoEndWithCaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("INVOKED");
expected.add("INVOKED2");
expected.add("INVOKED3");
runTest(createTryCatchFinallyNoEnd(), expected, "banana");
}
public void testRouteWithTryCatchFinallyNoEndWithUncaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("INVOKED2");
expected.add("INVOKED3");
// exchange should be processed twice for an uncaught exception and maximumRedeliveries(1)
expected.add("VALIDATE");
expected.add("INVOKED2");
expected.add("INVOKED3");
runTest(createTryCatchFinallyNoEnd(), expected);
}
protected RouteBuilder createTryCatchFinallyEnd() {
return new RouteBuilder() {
public void configure() {
errorHandler(deadLetterChannel().maximumRedeliveries(1));
from("direct:a").tryBlock().process(validator).process(toProcessor)
.handle(ValidationException.class).process(orderProcessor).finallyBlock()
.process(orderProcessor2).end().process(orderProcessor3);
}
};
};
public void testRouteWithTryCatchFinallyEndNoException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("TO");
expected.add("INVOKED2");
expected.add("INVOKED3");
runTest(createTryCatchFinallyEnd(), expected, "bar");
}
public void testRouteWithTryCatchFinallyEndWithCaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("INVOKED");
expected.add("INVOKED2");
expected.add("INVOKED3");
runTest(createTryCatchFinallyEnd(), expected, "banana");
}
public void testRouteWithTryCatchFinallyEndWithUncaughtException() throws Exception {
ArrayList<String> expected = new ArrayList<String>();
expected.add("VALIDATE");
expected.add("INVOKED2");
// exchange should be processed twice for an uncaught exception and maximumRedeliveries(1)
expected.add("VALIDATE");
expected.add("INVOKED2");
// orderProcessor3 will not be invoked past end() with an uncaught exception
runTest(createTryCatchFinallyEnd(), expected);
}
}