* @return A {@link URLConnection} object to the URL.
     */
    public static URLConnection openConnection(final URL url) {
        assertArgumentNotNull("url", url);

        try {
            final URLConnection connection = url.openConnection();
            connection.setUseCaches(false);
            return connection;
        } catch (final IOException e) {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.net.protocol.gcs;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

     * @return active tree handle
     * @throws CIFSException if connection fails
     *
     */
    synchronized SmbTreeHandleImpl ensureTreeConnected() throws CIFSException {
        // Optimization: Check connection validity more efficiently
        if (this.treeHandle != null && this.treeHandle.isConnected()) {
            // Connection is still valid - reuse it

        }
    }

    /**
     * Use a exclusive connection for this tree
     *
     * If an exclusive connection is used the caller must make sure that the tree handle is kept alive,
     * otherwise the connection will be disconnected once the usage drops to zero.
     *
     * @param np
     *            whether to use an exclusive connection
     */
    void setNonPooled(final boolean np) {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.net.protocol.storage;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

     */
    protected abstract void doConnect() throws Exception;

    /* Tear down a connection. If the hard parameter is true, the diconnection
     * procedure should not initiate or wait for any outstanding requests on
     * this transport.
     */

    /**
     * Tears down the connection to the remote endpoint.
     *
     * @param hard if true, disconnect immediately without waiting for outstanding requests

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Unit tests for {@link Handler}.
 *
 * Tests the SMB URL handler implementation including:
 * - Default port configuration
 * - URL connection opening
 * - URL creation and parsing
 */
public class HandlerTest {

public class RdmaErrorHandler {
    public void handleRdmaError(RdmaConnection connection, Exception error) {
        log.warn("RDMA error occurred: {}", error.getMessage());
        
        if (isRecoverableError(error)) {
            // Attempt to recover connection
            try {
                connection.reset();
                log.info("RDMA connection recovered");
            } catch (Exception e) {

        URL url = new URL(null, "smb://example-host/share/", new Handler());

        // Act
        URLConnection conn = handler.openConnection(url);

        // Assert
        assertNotNull(conn);
        assertTrue(conn instanceof SmbFile, "Connection should be an instance of SmbFile");
        SmbFile file = (SmbFile) conn;

    protected abstract void doConnect() throws Exception;

    /*
     * Tear down a connection. If the hard parameter is true, the diconnection
     * procedure should not initiate or wait for any outstanding requests on
     * this transport.
     */

    /**
     * Disconnect the transport connection
     *
     * @param hard if true, force immediate disconnection without waiting for pending requests