/**
* 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.processor;
import java.util.Iterator;
import java.util.function.Consumer;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
public class SplitIteratorNullTest extends ContextTestSupport {
private MyIterator myIterator = new MyIterator();
public void testSplitIteratorNull() throws Exception {
assertFalse(myIterator.isNullReturned());
getMockEndpoint("mock:line").expectedBodiesReceived("A", "B", "C");
template.sendBody("direct:start", "Hello World");
assertMockEndpointsSatisfied();
assertTrue(myIterator.isNullReturned());
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("direct:start")
.split(constant(myIterator))
.to("mock:line");
}
};
}
private class MyIterator implements Iterator<String> {
private int count = 4;
private boolean nullReturned;
@Override
public boolean hasNext() {
// we return true one extra time, and cause next to return null
return count > 0;
}
@Override
public String next() {
count--;
if (count == 0) {
nullReturned = true;
return null;
} else if (count == 1) {
return "C";
} else if (count == 2) {
return "B";
} else {
return "A";
}
}
public boolean isNullReturned() {
return nullReturned;
}
@Override
public void remove() {
// noop
}
@Override
public void forEachRemaining(Consumer<? super String> action) {
// noop
}
}
}