Sample code for 30+ languages & platforms
Java

Unzip Files in a Date Range

See more Zip Examples

Demonstrates how to use the Zip.MinDate and Zip.MaxDate properties to unzip only those files with a last-modified date within a date range.

Note: This example requires Chilkat v10.0.0 or greater.

Chilkat Java Downloads

Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Zip;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Zip zip = new Zip();

        try {
            zip.openZip("qa_data/zips/sample.zip");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The MinDate and MaxDate properties use the timestamp date/time string format.
        // Here are some examples:
        // YYYY-MM-DD (e.g., 2024-07-31)
        // YYYY-MM-DDTHH:MM:SS�HH:MM (e.g., 2024-07-31T12:34:56+02:00)
        // 2024-07-31T12:34:56Z (the "Z" denotes Zulu time, or UTC)

        // Only unzip files having a last-modified date greater than 1-Jan-2017
        zip.setMinDate("2017-01-01T00:00:00Z");

        // Also, only unzip files having a last-modified date less than the end of 2020
        zip.setMaxDate("2020-12-31T23:59:59Z");

        // You don't need to specify both MinDate and MaxDate.
        // You can specify only one or the other if needed.

        // The MinDate/MaxDate properties apply to all of the Chilkat methods for unzipping.

        int numUnzipped = zip.unzip("c:/temp/unzipDir");
        if (numUnzipped < 0) {
            System.out.println(zip.getLastErrorText());
            return;
        }

        zip.closeZip();
    }
}