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Publish Reports with Google Calendar Data in Crystal Reports

Use the Report Wizard to design a report based on up-to-date Google Calendar data.

Crystal Reports has many options for offloading data processing to remote data; this enables real-time reporting. With the support for JDBC in Crystal Reports, the CData JDBC Driver for Google Calendar brings this capability to Crystal Reports. This article shows how to create a report on Google Calendar data that refreshes when you run the report.

Deploy the JDBC Driver

Install the CData JDBC Driver for Google Calendar by including the driver JAR in the Crystal Reports classpath: Add the full file path, including the .jar, to the paths in the ClassPath element, under the DataDriverCommonElement.

The CRConfig.xml is usually located at C:\Program Files (x86)\SAP BusinessObjects\SAP BusinessObjects Enterprise XI 4.0\java — the path might be slightly different based on your installation. The driver JAR is located in the lib subfolder of the installation directory.

After you have added the JAR to the ClassPath, restart Crystal Reports.

Connect to Google Calendar Data

After deploying the JDBC Driver for Google Calendar, you can then use the Report Wizard to add Google Calendar data to a new report.

  1. Click File -> New -> Standard Report.
  2. Expand the JDBC node under Create New Connection and double-click Make a New Connection.
  3. In the wizard, enter the JDBC connection URL:

    jdbc:googlecalendar:InitiateOAuth=GETANDREFRESH

    You can connect to Google APIs on behalf of individual users or on behalf of a domain. Google uses the OAuth authentication standard. See the "Getting Started" section of the help documentation for a guide.

    Built-in Connection String Designer

    For assistance in constructing the JDBC URL, use the connection string designer built into the Google Calendar JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

    java -jar cdata.jdbc.googlecalendar.jar

    Fill in the connection properties and copy the connection string to the clipboard.

    When you configure the JDBC URL, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

  4. Set the driver class name:

    cdata.jdbc.googlecalendar.GoogleCalendarDriver
  5. Select the tables and fields needed in the report. This example uses the Summary and StartDateTime columns from the VacationCalendar table.

You can then configure grouping, sorting, and summaries. For example, this article groups on Summary and summarizes on StartDateTime. See the following section to use the aggregate and summary to create a chart.

Create a Chart

After selecting a column to group by, the Standard Report Creation Wizard presents the option to create a chart. Follow the steps below to create a chart that aggregates the values in the Summary column.

  1. In the Standard Report Creation Wizard, select the Bar Chart option and select the column you grouped by, Summary in this example, in the On Change Of menu.
  2. In the Show Summary menu, select the summary you created.
  3. Select filters and a template, as needed, to finish the wizard.

Preview the finished report to view the chart, populated with your data. If you want to filter out null values, use a SelectionFormula.

Working with Remote Data

To ensure that you see updates to volatile data, click File and clear the "Save Data with Report" option. As you interact with the report, for example, drilling down to hidden details, Crystal Reports executes SQL queries to retrieve the data needed to display the report. To reload data you have already retrieved, refresh or rerun the report.