feat(agents): move agents into dbx repo

agents/drivers/databricks/src/main/java/com/dbx/agent/databricks/DatabricksAgent.java

@@ -0,0 +1,41 @@
+package com.dbx.agent.databricks;
+
+import com.dbx.agent.ConfiguredJdbcAgent;
+import com.dbx.agent.ConnectParams;
+import com.dbx.agent.JdbcAgentProfile;
+import com.dbx.agent.JsonRpcServer;
+
+public final class DatabricksAgent extends ConfiguredJdbcAgent {
+    public static final JdbcAgentProfile DATABRICKS_PROFILE = new DatabricksProfile();
+
+    public DatabricksAgent() {
+        super(DATABRICKS_PROFILE);
+    }
+
+    public static void main(String[] args) {
+        new JsonRpcServer(new DatabricksAgent()).run();
+    }
+
+    private static final class DatabricksProfile extends JdbcAgentProfile {
+        private DatabricksProfile() {
+            super("com.databricks.client.jdbc.Driver", "jdbc:databricks://{host}:{port}/{database}", 443, true);
+        }
+
+        @Override
+        public String buildUrl(ConnectParams params) {
+            if (!params.getConnection_string().trim().isEmpty()) {
+                return params.getConnection_string();
+            }
+            int port = params.getPort() > 0 ? params.getPort() : getDefaultPort();
+            String base = getUrlTemplate()
+                .replace("{host}", params.getHost())
+                .replace("{port}", Integer.toString(port))
+                .replace("{database}", params.getDatabase());
+            String urlParams = params.getUrl_params() == null ? "" : params.getUrl_params().trim();
+            while (urlParams.startsWith(";") || urlParams.startsWith("?") || urlParams.startsWith("&")) {
+                urlParams = urlParams.substring(1);
+            }
+            return urlParams.isEmpty() ? base : base + ";" + urlParams;
+        }
+    }
+}

agents/drivers/databricks/src/test/java/com/dbx/agent/databricks/DatabricksAgentTest.java

@@ -0,0 +1,22 @@
+package com.dbx.agent.databricks;
+
+import com.dbx.agent.ConnectParams;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class DatabricksAgentTest {
+    @Test
+    void buildsHttpPathUrl() {
+        ConnectParams params = new ConnectParams();
+        params.setHost("adb-123.azuredatabricks.net");
+        params.setPort(443);
+        params.setDatabase("default");
+        params.setUrl_params("httpPath=/sql/1.0/warehouses/abc;AuthMech=3");
+
+        assertEquals(
+            "jdbc:databricks://adb-123.azuredatabricks.net:443/default;httpPath=/sql/1.0/warehouses/abc;AuthMech=3",
+            DatabricksAgent.DATABRICKS_PROFILE.buildUrl(params)
+        );
+    }
+}