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Java

Receive Text up to a Match into a StringBuilder

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveUntilMatchSb, which receives bytes until an exact byte sequence is found and appends the received text to a StringBuilder.

Background. The match string is encoded using StringCharset and compared byte-for-byte. The match may span multiple underlying network reads.

Chilkat Java Downloads

Chilkat2 Java
import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Socket;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        Socket socket = new Socket();

        // Connect to the server using TLS.  The 3rd argument enables the TLS handshake after the TCP
        // connection succeeds; the 4th is the maximum time to wait, in milliseconds.
        boolean bTls = true;
        int maxWaitMs = 5000;
        try {
            socket.connect("example.com", 5000, bTls, maxWaitMs);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // StringCharset controls the character encoding used when sending and receiving text.
        socket.setStringCharset("utf-8");
        // Send a request using a simple application-defined text protocol in which each message ends with a
        // CRLF.
        String command = "STATUS\r\n";
        try {
            socket.sendString(command);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Receive bytes until an exact byte sequence is found, appending the received text to a
        // StringBuilder.  The match may span multiple underlying network reads.
        StringBuilder sb = new StringBuilder();
        String response;
        try {
            socket.receiveUntilMatchSb("<EOM>", sb);

            response = sb.getAsString();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        System.out.println(response);
    }
}