/*
* Copyright 2013 JBoss, by Red Hat, Inc
*
* 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.impl;
import io.undertow.websockets.api.SendCallback;
import io.undertow.websockets.api.TextFrameSender;
import io.undertow.websockets.core.WebSocketFrameType;
import io.undertow.websockets.core.WebSocketUtils;
import org.xnio.channels.StreamSinkChannel;
import java.io.IOException;
import java.io.Writer;
import java.nio.ByteBuffer;
/**
* Default implementation of a {@link TextFrameSender}
*
* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
class DefaultTextFrameSender extends AbstractSender implements TextFrameSender {
public DefaultTextFrameSender(WebSocketChannelSession session) {
super(session);
}
@Override
protected WebSocketFrameType type() {
return WebSocketFrameType.TEXT;
}
@Override
public void sendText(CharSequence payload, final SendCallback callback) {
try {
final ByteBuffer buffer = WebSocketUtils.fromUtf8String(payload);
StreamSinkChannel sink = StreamSinkChannelUtils.applyAsyncSendTimeout(session, createSink(buffer.remaining()));
StreamSinkChannelUtils.send(sink, buffer, callback);
} catch (IOException e) {
StreamSinkChannelUtils.safeNotify(callback, e);
}
}
@Override
public void sendText(CharSequence payload) throws IOException {
checkBlockingAllowed();
final ByteBuffer buffer = WebSocketUtils.fromUtf8String(payload);
StreamSinkChannel sink = createSink(buffer.remaining());
StreamSinkChannelUtils.send(sink, buffer);
}
@Override
public Writer sendText(long payloadSize) throws IOException {
checkBlockingAllowed();
return new TextWriter(session.getChannel(), createSink(payloadSize));
}
}