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Implement MessageHandler hierarchy

This commit is contained in:
woo-jin-shin 2021-08-21 00:45:18 +09:00
parent 3866c20cea
commit 41bc9cad37
9 changed files with 192 additions and 39 deletions
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10
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/ReceiverApplication.java
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@ -1,11 +1,7 @@
package com.myoa.engineering.music.soundhoundfound.receiver;
import com.myoa.engineering.music.soundhoundfound.receiver.dispatch.MessageHandler;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.telegram.telegrambots.meta.TelegramBotsApi;
import org.telegram.telegrambots.meta.exceptions.TelegramApiException;
import org.telegram.telegrambots.updatesreceivers.DefaultBotSession;
/**
* ReceiverApplication
@ -18,11 +14,5 @@ public class ReceiverApplication {
public static void main(String[] args) {
SpringApplication.run(ReceiverApplication.class, args);
try {
TelegramBotsApi api = new TelegramBotsApi(DefaultBotSession.class);
api.registerBot(new MessageHandler());
} catch(TelegramApiException e) {
e.printStackTrace();
}
}
}

37
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/configuration/TelegramBotConfiguration.java Normal file
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@ -0,0 +1,37 @@
package com.myoa.engineering.music.soundhoundfound.receiver.configuration;
import java.util.List;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.telegram.telegrambots.meta.TelegramBotsApi;
import org.telegram.telegrambots.meta.exceptions.TelegramApiException;
import org.telegram.telegrambots.updatesreceivers.DefaultBotSession;
import com.myoa.engineering.music.soundhoundfound.receiver.dispatch.MessageDispatcher;
import com.myoa.engineering.music.soundhoundfound.receiver.handler.message.MessageHandler;
/**
* TelegramBotConfiguration
* @author Shin Woo-jin (woo-jin.shin@linecorp.com)
* @since 2021-08-21
*
*/
@Configuration
public class TelegramBotConfiguration {
private static final String BOT_TOKEN = "bottoken"; // TODO extract to property
private static final String BOT_NAME = "nthfuncx_SoundHoundFoundBot"; // TODO extract to property
@Bean
public TelegramBotsApi telegramBotsApi(MessageDispatcher messageDispatcher) throws TelegramApiException {
TelegramBotsApi api = new TelegramBotsApi(DefaultBotSession.class);
api.registerBot(messageDispatcher);
return api;
}
@Bean
public MessageDispatcher messageDispatcher(List<MessageHandler> messageHandlers) {
return new MessageDispatcher(messageHandlers, BOT_TOKEN, BOT_NAME);
}
}

51
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/dispatch/MessageDispatcher.java Normal file
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@ -0,0 +1,51 @@
package com.myoa.engineering.music.soundhoundfound.receiver.dispatch;
import java.util.List;
import org.telegram.telegrambots.bots.TelegramLongPollingBot;
import org.telegram.telegrambots.meta.api.objects.Message;
import org.telegram.telegrambots.meta.api.objects.Update;
import com.myoa.engineering.music.soundhoundfound.receiver.handler.message.MessageHandler;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public class MessageDispatcher extends TelegramLongPollingBot {
private final List<MessageHandler> messageHandlers;
private final String botToken;
private final String botName;
public MessageDispatcher(List<MessageHandler> messageHandlers, String botToken, String botName) {
this.messageHandlers = messageHandlers;
this.botToken = botToken;
this.botName = botName;
}
@Override
public String getBotToken() {
return botToken;
}
@Override
public void onUpdateReceived(Update update) {
Message message = update.getMessage();
MessageHandler handler = getMessageHandler(message);
log.info(message.getText());
handler.handle(message);
}
private MessageHandler getMessageHandler(Message message) {
return messageHandlers.stream()
.filter(e -> e.isApplicable(message))
.findFirst()
.orElseThrow(() -> new IllegalArgumentException("Can not found applicable handler"));
}
@Override
public String getBotUsername() {
return botName;
}
}

29
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/dispatch/MessageHandler.java
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@ -1,29 +0,0 @@
package com.myoa.engineering.music.soundhoundfound.receiver.dispatch;
import lombok.extern.slf4j.Slf4j;
import org.telegram.telegrambots.bots.TelegramLongPollingBot;
import org.telegram.telegrambots.meta.api.objects.Message;
import org.telegram.telegrambots.meta.api.objects.Update;
@Slf4j
public class MessageHandler extends TelegramLongPollingBot {
private static final String BOT_TOKEN = "bottoken";
private static final String BOT_NAME = "nthfuncx_SoundHoundFoundBot";
@Override
public String getBotToken() {
return BOT_TOKEN;
}
@Override
public void onUpdateReceived(Update update) {
Message message = update.getMessage();
log.info(message.getText());
}
@Override
public String getBotUsername() {
return BOT_NAME;
}
}

12
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/handler/message/ImageMessageHandler.java Normal file
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@ -0,0 +1,12 @@
package com.myoa.engineering.music.soundhoundfound.receiver.handler.message;
/**
* ImageHandler
* @author Shin Woo-jin (woo-jin.shin@linecorp.com)
* @since 2021-08-21
*
*/
public interface ImageMessageHandler extends MessageHandler {
}

17
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/handler/message/MessageHandler.java Normal file
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@ -0,0 +1,17 @@
package com.myoa.engineering.music.soundhoundfound.receiver.handler.message;
import org.telegram.telegrambots.meta.api.objects.Message;
/**
* MessageHandler
* @author Shin Woo-jin (woo-jin.shin@linecorp.com)
* @since 2021-08-21
*
*/
public interface MessageHandler {
boolean isApplicable(Message message);
void handle(Message message);
}

17
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/handler/message/TextMessageHandler.java Normal file
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@ -0,0 +1,17 @@
package com.myoa.engineering.music.soundhoundfound.receiver.handler.message;
import org.telegram.telegrambots.meta.api.objects.Message;
/**
* TextMessageHandler
* @author Shin Woo-jin (woo-jin.shin@linecorp.com)
* @since 2021-08-21
*
*/
public interface TextMessageHandler extends MessageHandler {
@Override
default boolean isApplicable(Message message) {
return message.isUserMessage() && message.hasText();
}
}

29
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/handler/message/text/AddCommandHandler.java Normal file
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@ -0,0 +1,29 @@
package com.myoa.engineering.music.soundhoundfound.receiver.handler.message.text;
import org.springframework.stereotype.Component;
import org.telegram.telegrambots.meta.api.objects.Message;
import com.myoa.engineering.music.soundhoundfound.receiver.handler.message.TextMessageHandler;
import lombok.extern.slf4j.Slf4j;
/**
* AddCommandHandler
* @author Shin Woo-jin (woo-jin.shin@linecorp.com)
* @since 2021-08-21
*
*/
@Slf4j
@Component
public class AddCommandHandler implements TextMessageHandler {
@Override
public boolean isApplicable(Message message) {
return TextMessageHandler.super.isApplicable(message) && message.getText().startsWith("/add");
}
@Override
public void handle(Message message) {
log.info("AddCommandHandler : {}", message.getText());
}
}

29
receiver/src/main/java/com/myoa/engineering/music/soundhoundfound/receiver/handler/message/text/CommonTextHandler.java Normal file
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@ -0,0 +1,29 @@
package com.myoa.engineering.music.soundhoundfound.receiver.handler.message.text;
import org.springframework.stereotype.Component;
import org.telegram.telegrambots.meta.api.objects.Message;
import com.myoa.engineering.music.soundhoundfound.receiver.handler.message.TextMessageHandler;
import lombok.extern.slf4j.Slf4j;
/**
* NormalTextHandler
* @author Shin Woo-jin (woo-jin.shin@linecorp.com)
* @since 2021-08-21
*
*/
@Slf4j
@Component
public class CommonTextHandler implements TextMessageHandler {
@Override
public boolean isApplicable(Message message) {
return TextMessageHandler.super.isApplicable(message) && message.isCommand() == false;
}
@Override
public void handle(Message message) {
log.info("CommonTextHandler : {}", message.getText());
}
}