Java

Google Sheets - Read a Single Range

See more Google Sheets Examples

Reads the values stored in the range Sheet1!A1:B5 and returns them in the response. 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"));
    http.put_SessionLogFilename("qa_output/sessionLog.txt");

    // Get the cells defined by the range A1:B5
    String jsonResponse = http.quickGetStr("https://sheets.googleapis.com/v4/spreadsheets/spreadsheetId/values/Sheet1!A1:B5");
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    System.out.println(jsonResponse);

    CkJsonObject json = new CkJsonObject();
    json.Load(jsonResponse);

    // A sample response is shown below.
    // To generate the parsing source code for a JSON response, paste
    // the JSON into this online tool: Generate JSON parsing code

    // {
    //   "range": "Sheet1!A1:B5",
    //   "majorDimension": "ROWS",
    //   "values": [
    //     [
    //       "Item",
    //       "Cost"
    //     ],
    //     [
    //       "Wheel",
    //       "$20.50"
    //     ],
    //     [
    //       "Door",
    //       "$15"
    //     ],
    //     [
    //       "Engine",
    //       "$100"
    //     ],
    //     [
    //       "Totals",
    //       "$135.50"
    //     ]
    //   ]
    // }

    int i;
    int count_i;
    int j;
    int count_j;

    String range = json.stringOf("range");
    String majorDimension = json.stringOf("majorDimension");
    i = 0;
    count_i = json.SizeOfArray("values");
    while (i < count_i) {
        json.put_I(i);
        j = 0;
        count_j = json.SizeOfArray("values[i]");
        while (j < count_j) {
            json.put_J(j);
            String strVal = json.stringOf("values[i][j]");
            j = j+1;
            }

        i = i+1;
        }
  }
}