/*
* 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.mina.handler.chain;
import org.apache.mina.core.session.DummySession;
import org.apache.mina.core.session.IoSession;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* A test case for {@link ChainedIoHandler}.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev: 713100 $, $Date: 2008-11-11 19:39:46 +0100 (Tue, 11 Nov 2008) $
*/
public class ChainedIoHandlerTest {
@Test
public void testChainedCommand() throws Exception {
IoHandlerChain chain = new IoHandlerChain();
StringBuilder buf = new StringBuilder();
chain.addLast("A", new TestCommand(buf, 'A'));
chain.addLast("B", new TestCommand(buf, 'B'));
chain.addLast("C", new TestCommand(buf, 'C'));
new ChainedIoHandler(chain).messageReceived(new DummySession(), null);
assertEquals("ABC", buf.toString());
}
private class TestCommand implements IoHandlerCommand {
private final StringBuilder buf;
private final char ch;
private TestCommand(StringBuilder buf, char ch) {
this.buf = buf;
this.ch = ch;
}
public void execute(NextCommand next, IoSession session, Object message)
throws Exception {
buf.append(ch);
next.execute(session, message);
}
}
}