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The core HTTP and composition mechanisms of Ratpack

There is a newer version: 2.0.0-rc-1

/*
 * Copyright 2013 the original author or authors.
 *
 * 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 ratpack.websocket.internal;

import ratpack.func.Action;
import ratpack.func.Function;
import ratpack.websocket.WebSocket;
import ratpack.websocket.WebSocketClose;
import ratpack.websocket.WebSocketMessage;
import ratpack.websocket.WebSocketHandler;

import static ratpack.util.ExceptionUtils.uncheck;

public class BuiltWebSocketHandler implements WebSocketHandler {

  private final Function open;
  private final Action> close;
  private final Action> message;

  public BuiltWebSocketHandler(Function open, Action> close, Action> message) {
    this.open = open;
    this.close = close;
    this.message = message;
  }

  @Override
  public T onOpen(WebSocket webSocket) throws Exception {
    return open.apply(webSocket);
  }

  @Override
  public void onClose(WebSocketClose close) {
    try {
      this.close.execute(close);
    } catch (Exception e) {
      throw uncheck(e);
    }
  }

  @Override
  public void onMessage(WebSocketMessage frame) {
    try {
      this.message.execute(frame);
    } catch (Exception e) {
      throw uncheck(e);
    }
  }
}