Java

Google Sheets - Append Values to an Existing Spreadsheet

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Appends values to an existing Google spreadsheet. Java

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    boolean success = false;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses a previously obtained access token having permission for the 
    // Google Sheets scope.

    // In this example, Get Google Sheets OAuth2 Access Token, the access
    // token was saved to a JSON file.  This example fetches the access token from the file..
    CkJsonObject jsonToken = new CkJsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/googleSheets.json");
    if (jsonToken.HasMember("access_token") == false) {
        System.out.println("No access token found.");
        return;
        }

    CkHttp http = new CkHttp();
    http.put_AuthToken(jsonToken.stringOf("access_token"));

    // To append values to an existing spreadsheet, our HTTP request body will
    // contain JSON in the format of a "ValueRange".  For example, the spreadsheet we'll be
    // adding to in this example looks like this:

    // 

    // The JSON ValueRange for the cells in the above spreadsheet is:
    // {
    //   "range": "Sheet1!A1:B5",
    //   "majorDimension": "ROWS",
    //   "values": [
    //     [
    //       "Item",
    //       "Cost"
    //     ],
    //     [
    //       "Wheel",
    //       "$20.50"
    //     ],
    //     [
    //       "Door",
    //       "$15"
    //     ],
    //     [
    //       "Engine",
    //       "$100"
    //     ],
    //     [
    //       "Totals",
    //       "$135.50"
    //     ]
    //   ]
    // }

    // This example will append 6 cells (3 rows / 2 columns).
    // We'll be appending the following:
    // 
    // "Paint", "$100"
    // "Brakes", "$100"
    // "New Total", "$335.50"
    // 

    // The range of cells we'll be appending is A1:B5
    // Therefore, the ValueRange JSON we'll be sending in our POST body is:

    // {
    //   "range": "Sheet1!A1:B5",
    //   "majorDimension": "ROWS",
    //   "values": [
    //     [
    //       "Paint",
    //       "$100"
    //     ],
    //     [
    //       "Brakes",
    //       "$100"
    //     ],
    //     [
    //       "New Total",
    //       "$335.50"
    //     ]
    //   ]
    // }

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("range","Sheet1!A1:B5");
    json.UpdateString("majorDimension","ROWS");

    json.put_I(0);
    json.put_J(1);
    json.UpdateString("values[i][j]","Paint");
    json.put_J(1);
    json.UpdateString("values[i][j]","$100");

    json.put_I(1);
    json.put_J(0);
    json.UpdateString("values[i][j]","Brakes");
    json.put_J(1);
    json.UpdateString("values[i][j]","$100");

    json.put_I(2);
    json.put_J(0);
    json.UpdateString("values[i][j]","Totals");
    json.put_J(1);
    json.UpdateString("values[i][j]","$335.50");

    json.put_EmitCompact(false);
    System.out.println(json.emit());

    // Send the POST to:
    // https://sheets.googleapis.com/v4/spreadsheets/{spreadsheetId}/values/{range}:append?valueInputOption=USER_ENTERED

    http.SetUrlVar("spreadsheetId","1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA");
    http.SetUrlVar("range","Sheet1!A1:B5");
    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpJson("POST","https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}:append?valueInputOption=USER_ENTERED",json,"application/json",resp);
    if (success == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    System.out.println("response status code = " + resp.get_StatusCode());
    System.out.println("response JSON = " + resp.bodyStr());

    // Sample output:
    // 
    // response status code = 200
    // response JSON = {
    //   "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
    //   "tableRange": "Sheet1!A1:B5",
    //   "updates": {
    //     "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
    //     "updatedRange": "Sheet1!A6:B8",
    //     "updatedRows": 3,
    //     "updatedColumns": 2,
    //     "updatedCells": 6
    //   }
    // }
    // 

    // Our Google Spreadsheet now looks like this:
    // 
  }
}