/*
 * Copyright (c) 2011, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package org.glassfish.grizzly.websockets.frametypes;

import org.glassfish.grizzly.utils.Charsets;
import org.glassfish.grizzly.websockets.BaseFrameType;
import org.glassfish.grizzly.websockets.DataFrame;
import org.glassfish.grizzly.websockets.Utf8Utils;
import org.glassfish.grizzly.websockets.WebSocket;

public class TextFrameType extends BaseFrameType {
    @Override
    public void setPayload(DataFrame frame, byte[] data) {
        frame.setPayload(data);
    }

    @Override
    public byte[] getBytes(DataFrame dataFrame) {
        final byte[] bytes = dataFrame.getBytes();
        if (bytes == null) {
            setPayload(dataFrame, Utf8Utils.encode(Charsets.UTF8_CHARSET, dataFrame.getTextPayload()));
        }
        return dataFrame.getBytes();
    }

    @Override
    public void respond(WebSocket socket, DataFrame frame) {
        if (frame.isLast()) {
            socket.onMessage(frame.getTextPayload());
        } else {
            socket.onFragment(frame.isLast(), frame.getTextPayload());
        }
    }
}