/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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 io.undertow.websockets.utils;
import io.netty.buffer.ByteBuf;
import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketFrame;
import org.junit.Assert;
import org.xnio.FutureResult;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
/**
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
public final class FrameChecker implements WebSocketTestClient.FrameListener {
private final Class<? extends WebSocketFrame> clazz;
private final byte[] expectedPayload;
private final FutureResult<?> latch;
private volatile boolean first = true;
public FrameChecker(Class<? extends WebSocketFrame> clazz, byte[] expectedPayload, FutureResult<?> latch) {
this.clazz = clazz;
this.expectedPayload = expectedPayload;
this.latch = latch;
}
@Override
public void onFrame(WebSocketFrame frame) {
try {
if (first) {
first = false;
Assert.assertTrue(clazz.isInstance(frame));
if (frame instanceof TextWebSocketFrame) {
String buf = ((TextWebSocketFrame) frame).text();
Assert.assertEquals(new String(expectedPayload, StandardCharsets.UTF_8), buf);
} else {
ByteBuf buf = frame.content();
byte[] data = new byte[buf.readableBytes()];
buf.readBytes(data);
Assert.assertArrayEquals(expectedPayload, data);
}
latch.setResult(null);
} else {
Assert.assertTrue(CloseWebSocketFrame.class.isInstance(frame));
}
} catch (Throwable e) {
latch.setException(new IOException(e));
}
}
@Override
public void onError(Throwable t) {
try {
t.printStackTrace();
Assert.fail();
} finally {
latch.setException(new IOException(t));
}
}
}