zhibo/android-app/app/src/main/java/com/example/livestreaming/ChatMessage.java

package com.example.livestreaming;

public class ChatMessage {
    private String username;
    private String message;
    private long timestamp;
    private boolean isSystemMessage;

    public ChatMessage(String username, String message) {
        this.username = username;
        this.message = message;
        this.timestamp = System.currentTimeMillis();
        this.isSystemMessage = false;
    }

    public ChatMessage(String message, boolean isSystemMessage) {
        this.message = message;
        this.timestamp = System.currentTimeMillis();
        this.isSystemMessage = isSystemMessage;
        this.username = isSystemMessage ? "系统" : "匿名用户";
    }

    public String getUsername() {
        return username;
    }

    public String getMessage() {
        return message;
    }

    public long getTimestamp() {
        return timestamp;
    }

    public boolean isSystemMessage() {
        return isSystemMessage;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public void setTimestamp(long timestamp) {
        this.timestamp = timestamp;
    }

    public void setSystemMessage(boolean systemMessage) {
        isSystemMessage = systemMessage;
    }
}