Java

Download a Zip from a URL and OpenBd. (No .zip file is created)

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Demonstrates how to download a .zip from a URL, opens the Zip, and gets the contents of a file. No file is ever written. Chilkat2 Java

import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.StringBuilder;
import com.chilkatsoft.chilkat2.Zip;
import com.chilkatsoft.chilkat2.ZipEntry;

public class ChilkatExample {

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

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

        Http http = new Http();

        BinData bd = new BinData();

        // This URL is valid and can be tested...
        try {
            http.quickGetBd("https://chilkatdownload.com/example_data/hamlet.zip", bd);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        Zip zip = new Zip();

        // Open the zip from the bytes contained in bd.
        try {
            zip.openBd(bd);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Get the entry for the file we want..
        ZipEntry entry = new ZipEntry();
        success = zip.entryOf("hamlet.xml", entry);
        if (!success) {
            System.out.println(zip.getLastErrorText());
            return;
        }

        // Convert all line endings to CRLF (if needed)
        int lineEndingBehavior = 2;
        String xmlStr;
        try {
            xmlStr = entry.unzipToString(lineEndingBehavior, "utf-8");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The XML in this case is about 274K, so let's just examine the last 20 lines...
        StringBuilder sb = new StringBuilder();
        sb.append(xmlStr);

        System.out.println(sb.lastNLines(20, true));
    }
}