Java

Compress Text from StringBuilder to Gzip (BinData Output)

See more Gzip Examples

This example demonstrates how to use the CompressSb method to compress text stored in a StringBuilder into Gzip format.

The text is first converted to its byte representation using the specified character set (in this case, UTF-8). These bytes are then compressed, and the resulting Gzip data is written to a BinData object in memory.

This approach is useful when working with dynamically generated text that you want to compress without first writing it to a file. The example also shows how the compressed data can optionally be saved to a .gz file.

Chilkat2 Java

import com.chilkatsoft.chilkat2.BinData;
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Gzip;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example demonstrates how to compress text contained in a StringBuilder
        // into Gzip format, storing the compressed result in a BinData object.

        Gzip gzip = new Gzip();
        StringBuilder sb = new StringBuilder();
        BinData bd = new BinData();

        // Add some text to the StringBuilder:
        sb.append("The quick brown fox jumps over the lazy dog.");

        // Compress the text using UTF-8 encoding:
        try {
            gzip.compressSb(sb, "utf-8", bd);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // The BinData now contains the Gzip-compressed bytes.
        System.out.println("Compression successful.");
        System.out.println("Compressed size (bytes): " + bd.getNumBytes());

        // (Optional) Save to a .gz file:
        try {
            bd.writeFile("text.gz");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println("Gzip file written to text.gz");
    }
}