JAVA Google Sheets Connector
In this article you will learn how to integrate Using Google Sheets Connector you will be able to connect, read, and write data from within JAVA. Follow the steps below to see how we would accomplish that. Driver mentioned in this article is part of ODBC PowerPack which is a collection of high-performance Drivers for various API data source (i.e. REST API, JSON, XML, CSV, Amazon S3 and many more). Using familiar SQL query language you can make live connections and read/write data from API sources or JSON / XML / CSV Files inside SQL Server (T-SQL) or your favorite Reporting (i.e. Power BI, Tableau, Qlik, SSRS, MicroStrategy, Excel, MS Access), ETL Tools (i.e. Informatica, Talend, Pentaho, SSIS). You can also call our drivers from programming languages such as JAVA, C#, Python, PowerShell etc. If you are new to ODBC and ZappySys ODBC PowerPack then check the following links to get started. |
See also
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Create Data Source in ZappySys Data Gateway based on ZappySys API Driver
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Download and install ZappySys ODBC PowerPack.
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Search for gateway in start menu and Open ZappySys Data Gateway:
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Go to Users Tab to add our first Gateway user. Click Add; we will give it a name tdsuser and enter password you like to give. Check Admin option and click OK to save. We will use these details later when we create linked server:
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Now we are ready to add a data source. Click Add, give data source a name (Copy this name somewhere, we will need it later) and then select Native - ZappySys API Driver. Finally, click OK.
GoogleSheetsDSN
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When the Configuration window appears give your data source a name if you haven't done that already, then select "Google Sheets" from the list of Popular Connectors. If "Google Sheets" is not present in the list, then click "Search Online" and download it. Then set the path to the location where you downloaded it. Finally, click Continue >> to proceed with configuring the DSN:
GoogleSheetsDSNGoogle Sheets -
Now it's time to configure the Connection Manager. Select Authentication Type, e.g. Token Authentication. Then select API Base URL (in most cases, the default one is the right one). More info is available in the Authentication section.
Steps to get Google Sheets Credentials
This connection can be configured in two ways. Use Default App (Created by ZappySys) OR Use Custom App created by you.
To use minimum settings you can start with the ZappySys created App. Just change UseCustomApp=false on the properties grid so you dont need ClientID / Secret. When you click Generate Token you might see a warning about App is not trusted (Simply Click Advanced Link to expand hidden section and then click Go to App link to Proceed). To register a custom app, perform the following steps (Detailed steps found in the help link at the end):- Go to Google API Console.
- From the Project Dropdown (usually found at the top bar) click Select Project.
- On the Project Popup click CREATE PROJECT.
- Once the project is created you can click Select Project to switch the context (You can click on Notification link or Choose from Top Dropdown).
- Click ENABLE APIS AND SERVICES.
- Now we need to Enable two APIs one by one (Sheets API and Drive API).
- Search Sheets. Select and click ENABLE.
- Search Drive. Select and click ENABLE.
- Go back to the main screen of the Google API Console
- Click the OAuth Consent Screen tab. Enter necessary details and Save.
- Click the Credentials tab.
- Click CREATE CREDENTIALS (some where in topbar) and select OAuth Client ID option.
- When prompted Select Application Type as Desktop App and click Create to receive your ClientID and Secret. You can use this information now to configure Connection with UseCustomApp=true.
Fill in all required parameters and set optional parameters if needed:
GoogleSheetsDSNUser Account [OAuth]https://sheets.googleapis.com/v4/spreadsheetsRequired Parameters UseCustomApp Fill in the parameter... Optional Parameters ClientId Fill in the parameter... ClientSecret Fill in the parameter... Scope Fill in the parameter... Default SpreadSheetId Fill in the parameter... Default Tab Name (i.e. Sheet1) Fill in the parameter... RetryMode Fill in the parameter... RetryStatusCodeList Fill in the parameter... RetryCountMax Fill in the parameter... Steps to get Google Sheets Credentials
Use these steps to authenticate as service account rather than Google / GSuite User. Learn more about service account here Basically to call Google API as Service account we need to perform following steps listed in 3 sections (Detailed steps found in the help link at the end)Create Project
First thing is create a Project so we can call Google API. Skip this section if you already have Project (Go to next section)- Go to Google API Console
- From the Project Dropdown (usually found at the top bar) click Select Project
- On Project Propup click CREATE PROJECT
- Once project is created you can click Select Project to switch the context (You can click on Notification link or Choose from Top Dropdown)
- Click ENABLE APIS AND SERVICES
- Now we need to Enable two APIs one by one (Sheets API and Drive API).
- Search Sheets. Select and click ENABLE
- Search Drive. Select and click ENABLE
Create Service Account
Once Project is created and APIs are enabled we can now create a service account under that project. Service account has its ID which looks like some email ID (not to confuse with Google /Gmail email ID)- Go to Create Service Account
- From the Project Dropdown (usually found at the top bar) click Select Project
- Enter Service account name and Service account description
- For Role, do not select anything for now and Click Continue and then click Done. Next we will create Key.
Create Key
Once service account is created we need to create key file (i.e. credentials).- In the Cloud Console, click the email address for the service account that you created.
- Click Keys.
- Click Add key, then click Create new key.
- Click Create and select P12 format. A P12 key file is downloaded to your computer. We will use this file in our API connection.
- Click Close.
- Now you may use downloaded *.p12 key file as secret file and Service Account Email as Client ID (e.g. some-service-account-name@your-project-id.iam.gserviceaccount.com ).
Add Permission
Now last thing is give read/write permission to Service Account. Basically you can create or open Google Sheet and add the Service Account as an editor to it as below.- Copy the email address of your service account we created in previous step (its usually like this some-service-account-name@your-project-id.iam.gserviceaccount.com).
- Create or select an existing Google Sheet.
- Navigate to Sheet for which you like to give read/write access to Service Account.
- Click on the Share button in the top right, and add the email address of the service account as an editor. Here is how to share file(s) with specific people. Juse share with Service Account (use Service Account Email found on previous section)
Fill in all required parameters and set optional parameters if needed:
GoogleSheetsDSNService Account (Using Private Key File) [OAuth]https://sheets.googleapis.com/v4/spreadsheetsRequired Parameters Service Account Email Fill in the parameter... Service Account Private Key Path (i.e. *.p12) Fill in the parameter... Optional Parameters Scope Fill in the parameter... Default SpreadSheetId Fill in the parameter... Default Tab Name (i.e. Sheet1) Fill in the parameter... RetryMode Fill in the parameter... RetryStatusCodeList Fill in the parameter... RetryCountMax Fill in the parameter... -
Once the data source has been configured, you can preview data. Select the Preview tab and use settings similar to the following to preview data:
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Click OK to finish creating the data source.
Read data in Java from the DSN
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Java code to get the data:
"jdbc:sqlserver://localhost:5000;databasename=GoogleSheetsDSN;user=tdsuser;password=test" -
When you run the code it will make the API call and read the data:
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Here is Java program's code in text format:
//Step-1: Install ZappySys ODBC PowerPack and Configure Data Gateway //Step-2:Assuming the Microsoft SQL Server JDBC Driver is in below folder //C:\Program Files\Microsoft Jdbc Driver 6.0 for SQL Server\sqljdbc_6.0\enu\auth\x64 package padaone; import java.sql.*; public class zappy { public static void main(String[] args) { // Create a variable for the connection string. String connectionUrl = "jdbc:sqlserver://localhost:5000;databasename=GoogleSheetsDSN;user=test;password=test"; // Declare the JDBC objects. Connection con = null; Statement stmt = null; ResultSet rs = null; try { // Establish the connection. Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); con = DriverManager.getConnection(connectionUrl); // Create and execute an SQL statement that returns some data. String SQL = "SELECT Country , SUM(UnitPrice * Quantity) Total " + "FROM value " + "GROUP BY Country " + "WITH (SRC='https://services.odata.org/V3/Northwind/Northwind.svc/Invoices?$format=json')"; stmt = con.createStatement(); rs = stmt.executeQuery(SQL); // Iterate through the data in the result set and display it. while (rs.next()) { System.out.println(rs.getString(1) + " " + rs.getString(2)); } } // Handle any errors that may have occurred. catch (Exception e) { e.printStackTrace(); } finally { if (rs != null) try { rs.close(); } catch (Exception e) {} if (stmt != null) try { stmt.close(); } catch (Exception e) {} if (con != null) try { con.close(); } catch (Exception e) {} } } }
Create Custom Store Procedure in ZappySys Driver
You can create procedures to encapsulate custom logic and then only pass handful parameters rather than long SQL to execute your API call.
Steps to create Custom Store Procedure in ZappySys Driver. You can insert Placeholders anywhere inside Procedure Body. Read more about placeholders here
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Go to Custom Objects Tab and Click on Add button and Select Add Procedure:
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Enter the desired Procedure name and click on OK:
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Select the created Store Procedure and write the your desired store procedure and Save it and it will create the custom store procedure in the ZappySys Driver:
Here is an example stored procedure for ZappySys Driver. You can insert Placeholders anywhere inside Procedure Body. Read more about placeholders here
CREATE PROCEDURE [usp_get_orders] @fromdate = '<<yyyy-MM-dd,FUN_TODAY>>' AS SELECT * FROM Orders where OrderDate >= '<@fromdate>';
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That's it now go to Preview Tab and Execute your Store Procedure using Exec Command. In this example it will extract the orders from the date 1996-01-01:
Exec usp_get_orders '1996-01-01';
Create Custom Virtual Table in ZappySys Driver
ZappySys API Drivers support flexible Query language so you can override Default Properties you configured on Data Source such as URL, Body. This way you don't have to create multiple Data Sources if you like to read data from multiple EndPoints. However not every application support supplying custom SQL to driver so you can only select Table from list returned from driver.
Many applications like MS Access, Informatica Designer wont give you option to specify custom SQL when you import Objects. In such case Virtual Table is very useful. You can create many Virtual Tables on the same Data Source (e.g. If you have 50 URLs with slight variations you can create virtual tables with just URL as Parameter setting.
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Go to Custom Objects Tab and Click on Add button and Select Add Table:
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Enter the desired Table name and click on OK:
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And it will open the New Query Window Click on Cancel to close that window and go to Custom Objects Tab.
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Select the created table, Select Text Type AS SQL and write the your desired SQL Query and Save it and it will create the custom table in the ZappySys Driver:
Here is an example SQL query for ZappySys Driver. You can insert Placeholders also. Read more about placeholders here
SELECT "ShipCountry", "OrderID", "CustomerID", "EmployeeID", "OrderDate", "RequiredDate", "ShippedDate", "ShipVia", "Freight", "ShipName", "ShipAddress", "ShipCity", "ShipRegion", "ShipPostalCode" FROM "Orders" Where "ShipCountry"='USA'
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That's it now go to Preview Tab and Execute your custom virtual table query. In this example it will extract the orders for the USA Shipping Country only:
SELECT * FROM "vt__usa_orders_only"
Conclusion
In this article we discussed how to connect to Google Sheets in JAVA and integrate data without any coding. Click here to Download Google Sheets Connector for JAVA and try yourself see how easy it is. If you still have any question(s) then ask here or simply click on live chat icon below and ask our expert (see bottom-right corner of this page).
Download Google Sheets Connector for JAVA
Documentation
Actions supported by Google Sheets Connector
Google Sheets Connector support following actions for REST API integration. If some actions are not listed below then you can easily edit Connector file and enhance out of the box functionality.Parameter | Description |
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Range |
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Parameter | Description |
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Range |
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Parameter | Description | ||||||
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Range Type |
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Range Start Index (starts from 0) |
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Range End Index (starts from 0) |
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TabId |
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Parameter | Description |
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TabId |
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Parameter | Description |
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NewTabName |
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InitialRowCount |
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InitialColumnCount |
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TabColorRedValue |
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TabColorGreenValue |
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TabColorBlueValue |
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Parameter | Description |
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Request Body |
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TabId |
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Parameter | Description |
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Range for Table Boundary (Including Header) |
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Range for Data Cells |
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Parameter | Description |
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Start Range |
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Parameter | Description | ||||||
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SpreadSheetId |
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Parameter | Description |
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Url |
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Body |
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IsMultiPart |
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Filter |
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Headers |
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Other App Integration scenarios for Google Sheets
Other Connectors for JAVA
Download Google Sheets Connector for JAVA
Documentation
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Google Sheets ODBC Driver | ODBC Driver for Google Sheets | ODBC Google Sheets Driver | SSIS Google Sheets Source | SSIS Google Sheets Destination
Connect Google Sheets in JAVA
Load Google Sheets in JAVA
Load Google Sheets data in JAVA
Read Google Sheets data in JAVA
Google Sheets API Call in JAVA