[GitHub] [dolphinscheduler] guodongym commented on a diff in pull request #11157: [Feature-10273][Datasource] Add dataSource for AWS Athena

[GitBox <gi...@apache.org>]

guodongym commented on code in PR #11157:
URL: https://github.com/apache/dolphinscheduler/pull/11157#discussion_r940261494


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dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-athena/src/main/java/org/apache/dolphinscheduler/plugin/datasource/athena/param/AthenaDataSourceProcessor.java:
##########
@@ -0,0 +1,158 @@
+/*
+ * 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.dolphinscheduler.plugin.datasource.athena.param;
+
+import com.google.auto.service.AutoService;
+import org.apache.commons.collections4.MapUtils;
+import org.apache.dolphinscheduler.plugin.datasource.api.datasource.AbstractDataSourceProcessor;
+import org.apache.dolphinscheduler.plugin.datasource.api.datasource.BaseDataSourceParamDTO;
+import org.apache.dolphinscheduler.plugin.datasource.api.datasource.DataSourceProcessor;
+import org.apache.dolphinscheduler.plugin.datasource.api.utils.PasswordUtils;
+import org.apache.dolphinscheduler.spi.datasource.BaseConnectionParam;
+import org.apache.dolphinscheduler.spi.datasource.ConnectionParam;
+import org.apache.dolphinscheduler.spi.enums.DbType;
+import org.apache.dolphinscheduler.spi.utils.Constants;
+import org.apache.dolphinscheduler.spi.utils.JSONUtils;
+import org.apache.dolphinscheduler.spi.utils.StringUtils;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+@AutoService(DataSourceProcessor.class)
+public class AthenaDataSourceProcessor extends AbstractDataSourceProcessor {
+
+    @Override
+    public BaseDataSourceParamDTO castDatasourceParamDTO(String paramJson) {
+        return JSONUtils.parseObject(paramJson, AthenaDataSourceParamDTO.class);
+    }
+
+    @Override
+    public BaseDataSourceParamDTO createDatasourceParamDTO(String connectionJson) {
+        AthenaConnectionParam
+            connectionParams = (AthenaConnectionParam) this.createConnectionParams(connectionJson);
+
+        AthenaDataSourceParamDTO
+            athenaDatasourceParamDTO = new AthenaDataSourceParamDTO();
+        athenaDatasourceParamDTO.setAwsRegion(connectionParams.getAwsRegion());
+        athenaDatasourceParamDTO.setDatabase(connectionParams.getDatabase());
+        athenaDatasourceParamDTO.setUserName(connectionParams.getUser());
+        athenaDatasourceParamDTO.setOther(this.parseOther(connectionParams.getOther()));
+
+        return athenaDatasourceParamDTO;
+    }
+
+    @Override
+    public BaseConnectionParam createConnectionParams(BaseDataSourceParamDTO datasourceParam) {
+        AthenaDataSourceParamDTO athenaParam = (AthenaDataSourceParamDTO) datasourceParam;
+        String address = String.format("%s%s=%s;", Constants.JDBC_ATHENA, "AwsRegion", athenaParam.getAwsRegion());
+
+        AthenaConnectionParam
+            athenaConnectionParam = new AthenaConnectionParam();
+        athenaConnectionParam.setUser(athenaParam.getUserName());
+        athenaConnectionParam.setPassword(PasswordUtils.encodePassword(athenaParam.getPassword()));
+        athenaConnectionParam.setAwsRegion(athenaParam.getAwsRegion());
+        athenaConnectionParam.setOther(this.transformOther(athenaParam.getOther()));
+        athenaConnectionParam.setAddress(address);
+        athenaConnectionParam.setJdbcUrl(address);
+        athenaConnectionParam.setDatabase(athenaParam.getDatabase());
+        athenaConnectionParam.setDriverClassName(this.getDatasourceDriver());
+        athenaConnectionParam.setValidationQuery(this.getValidationQuery());
+        athenaConnectionParam.setProps(athenaParam.getOther());
+
+        return athenaConnectionParam;
+    }
+
+    @Override
+    public ConnectionParam createConnectionParams(String connectionJson) {
+        return JSONUtils.parseObject(connectionJson, AthenaConnectionParam.class);
+    }
+
+    @Override
+    public String getDatasourceDriver() {
+        return Constants.COM_ATHENA_JDBC_DRIVER;
+    }
+
+    @Override
+    public String getValidationQuery() {
+        return Constants.ATHENA_VALIDATION_QUERY;
+    }
+
+    @Override
+    public String getJdbcUrl(ConnectionParam connectionParam) {
+        AthenaConnectionParam
+            athenaConnectionParam = (AthenaConnectionParam) connectionParam;
+        if (!StringUtils.isEmpty(athenaConnectionParam.getOther())) {
+            return String.format("%s%s", athenaConnectionParam.getJdbcUrl(), athenaConnectionParam.getOther());
+        }
+        return athenaConnectionParam.getJdbcUrl();
+    }
+
+    @Override
+    public Connection getConnection(ConnectionParam connectionParam) throws ClassNotFoundException, SQLException {
+        AthenaConnectionParam athenaConnectionParam = (AthenaConnectionParam) connectionParam;
+        Class.forName(this.getDatasourceDriver());
+        return DriverManager.getConnection(this.getJdbcUrl(connectionParam),
+            athenaConnectionParam.getUser(), PasswordUtils.decodePassword(athenaConnectionParam.getPassword()));
+    }
+
+    @Override
+    public DbType getDbType() {
+        return DbType.ATHENA;
+    }
+
+    @Override
+    public DataSourceProcessor create() {
+        return new AthenaDataSourceProcessor();
+    }
+
+    private String transformOther(Map<String, String> otherMap) {
+        if (MapUtils.isNotEmpty(otherMap)) {
+            List<String> list = new ArrayList<>(otherMap.size());
+            otherMap.forEach((key, value) -> list.add(String.format("%s=%s", key, value)));
+            return String.join(Constants.SEMICOLON, list);
+        }
+        return null;
+    }
+
+    private Map<String, String> parseOther(String other) {
+        Map<String, String> otherMap = new LinkedHashMap<>();
+        if (StringUtils.isEmpty(other)) {
+            return otherMap;
+        }
+        String[] configs = other.split(Constants.SEMICOLON);
+        for (String config : configs) {
+            otherMap.put(config.split(Constants.EQUAL_SIGN)[0], config.split(Constants.EQUAL_SIGN)[1]);
+        }
+        return otherMap;
+    }
+
+    @Override
+    protected void checkHost(String host) {
+        // Do not need to set the host, nothing to do
+    }
+
+    @Override
+    protected void checkDatabasePatter(String database) {
+        // Do not need to set the database, nothing to do
+    }

Review Comment:
   if remove those method, will cause the parent class parameter check error, `org.apache.dolphinscheduler.plugin.datasource.api.datasource.AbstractDataSourceProcessor#checkDatasourceParam` , I find  POSTGRESQL  are also problems with database verification 
    



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