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Aspectran module showcasing a demo application

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/*
 * Copyright (c) 2008-2025 The Aspectran Project
 *
 * 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 com.aspectran.demo.chat.codec;

import com.aspectran.demo.chat.model.ChatMessage;
import com.aspectran.utils.json.JsonBuilder;
import jakarta.websocket.EncodeException;
import jakarta.websocket.Encoder;
import jakarta.websocket.EndpointConfig;

/**
 * Encoder for {@link ChatMessage}.
 *
 * Created: 2019/10/09
 */
public class ChatMessageEncoder implements Encoder.Text {

    @Override
    public String encode(ChatMessage message) throws EncodeException {
        try {
            return new JsonBuilder()
                .prettyPrint(false)
                .nullWritable(false)
                .put(message)
                .toString();
        } catch (Exception e) {
            throw new EncodeException(message, "Badly formatted message", e);
        }
    }

    @Override
    public void init(EndpointConfig config) {
    }

    @Override
    public void destroy() {
    }

}