wizardzhang commented on code in PR #4594: URL: https://github.com/apache/eventmesh/pull/4594#discussion_r1412803666
########## eventmesh-connectors/eventmesh-connector-wechat/src/main/java/org/apache/eventmesh/connector/wechat/sink/connector/WeChatSinkConnector.java: ########## @@ -0,0 +1,202 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 org.apache.eventmesh.connector.wechat.sink.connector; + +import org.apache.eventmesh.common.utils.JsonUtils; +import org.apache.eventmesh.connector.wechat.sink.config.WeChatSinkConfig; +import org.apache.eventmesh.openconnect.api.config.Config; +import org.apache.eventmesh.openconnect.api.connector.ConnectorContext; +import org.apache.eventmesh.openconnect.api.connector.SinkConnectorContext; +import org.apache.eventmesh.openconnect.api.sink.Sink; +import org.apache.eventmesh.openconnect.offsetmgmt.api.data.ConnectRecord; + +import org.apache.commons.lang3.builder.ToStringBuilder; + +import java.io.IOException; +import java.util.List; +import java.util.Objects; +import java.util.concurrent.TimeUnit; + +import com.alibaba.fastjson.JSON; +import com.alibaba.fastjson.JSONObject; +import com.google.common.cache.Cache; +import com.google.common.cache.CacheBuilder; + +import lombok.SneakyThrows; +import lombok.extern.slf4j.Slf4j; + +import okhttp3.MediaType; +import okhttp3.OkHttpClient; +import okhttp3.Request; +import okhttp3.RequestBody; +import okhttp3.Response; +import okhttp3.ResponseBody; + +/** + * WeChat sink connector. WeChat doc: <a href="https://developer.work.weixin.qq.com/document/path/90236";>...</a> + */ +@Slf4j +public class WeChatSinkConnector implements Sink { + + public static final Cache<String, String> ACCESS_TOKEN_CACHE = CacheBuilder.newBuilder() + .initialCapacity(12) + .maximumSize(10) + .concurrencyLevel(5) + .expireAfterWrite(120, TimeUnit.MINUTES) + .build(); + + public static final String ACCESS_TOKEN_CACHE_KEY = "access_token"; + + private static final String ACCESS_TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s";; + + private static final String MESSAGE_SEND_URL = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=%s";; + + private OkHttpClient okHttpClient; + + private WeChatSinkConfig sinkConfig; + + private volatile boolean isRunning = false; + + @Override + public Class<? extends Config> configClass() { + return WeChatSinkConfig.class; + } + + @Override + public void init(Config config) { + this.sinkConfig = (WeChatSinkConfig) config; + okHttpClient = new OkHttpClient.Builder() + .connectTimeout(60, TimeUnit.SECONDS) + .readTimeout(60, TimeUnit.SECONDS) + .writeTimeout(60, TimeUnit.SECONDS) + .retryOnConnectionFailure(true) + .build(); + } + + @Override + public void init(ConnectorContext connectorContext) { + SinkConnectorContext sinkConnectorContext = (SinkConnectorContext) connectorContext; + this.sinkConfig = (WeChatSinkConfig) sinkConnectorContext.getSinkConfig(); + okHttpClient = new OkHttpClient.Builder() + .connectTimeout(60, TimeUnit.SECONDS) + .readTimeout(60, TimeUnit.SECONDS) + .writeTimeout(60, TimeUnit.SECONDS) + .retryOnConnectionFailure(true) + .build(); + } + + @Override + public void start() { + isRunning = true; + } + + @Override + public void commit(ConnectRecord record) { + + } + + @Override + public String name() { + return this.sinkConfig.getSinkConnectorConfig().getConnectorName(); + } + + @Override + public void stop() throws IOException { + isRunning = false; + } + + public boolean isRunning() { + return isRunning; + } + + @Override + public void put(List<ConnectRecord> sinkRecords) { + for (ConnectRecord record : sinkRecords) { + try { + if (Objects.isNull(record.getData())) { + log.warn("ConnectRecord data is null, ignore."); + continue; + } + sendMessage(record); + } catch (Exception e) { + log.error("Failed to sink message to WeChat.", e); + } + } + } + + @SneakyThrows + private void sendMessage(ConnectRecord record) { + // get access token + String accessToken = getAccessToken(); + MediaType mediaType = MediaType.parse("application/json; charset=utf-8"); + RequestBody body = RequestBody.create(new String((byte[]) record.getData()), mediaType); + Request request = new Request.Builder() + .url(String.format(MESSAGE_SEND_URL, accessToken)) + .post(body) + .build(); + try (Response response = okHttpClient.newCall(request).execute()) { + if (!response.isSuccessful()) { + log.error("server response: {}", ToStringBuilder.reflectionToString(response)); + throw new IOException("Unexpected code " + response); + } + + ResponseBody responseBody = response.body(); + if (responseBody == null) { + throw new IOException("Response body is null."); + } + + String jsonStr = responseBody.string(); + TemplateMessageResponse messageResponse = JsonUtils.parseObject(jsonStr, TemplateMessageResponse.class); + if (messageResponse == null) { + throw new IOException("message response is null."); + } + + if (messageResponse.getErrocode() != 0) { + throw new IllegalAccessException(String.format("Send message to weCom error! errorCode=%s, errorMessage=%s", + messageResponse.getErrocode(), messageResponse.getErrmsg())); + } + } + + } + + @SneakyThrows + private String getAccessToken() { Review Comment: > Can this method be placed in `init()` or `start()` method call? This way, there is no need to invoke this method every time a message is sent. the token has expire time, when expired ,u have to get it from server again, so i cache it in local, that why use the "Cache<String, String>" structure -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
