import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;

/**
 * A wrapper class for CrawlerClientFactory that delegates operations to an underlying factory instance.
 * This wrapper allows for parameter management and initialization before delegating to the wrapped factory.
 *
 * The wrapper maintains its own parameter map which can be initialized separately from the wrapped factory,

                if (list == null) {
                    try {
                        final ObjectMapper mapper = new ObjectMapper();
                        final Map<String, String> passwordMap = mapper.readValue(value, new TypeReference<Map<String, String>>() {
                        });
                        list = passwordMap.entrySet()

import org.codelibs.fess.crawler.entity.ResponseData;
import org.codelibs.fess.crawler.exception.MaxLengthExceededException;
import org.codelibs.fess.crawler.exception.MultipleCrawlingAccessException;

/**
 * A fault-tolerant wrapper for CrawlerClient that implements retry logic for failed requests.
 * This client will attempt to execute requests multiple times before giving up, with configurable
 * retry counts and intervals between attempts.
 *

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.util;

import java.io.IOException;
import java.io.InputStream;

/**
 * A wrapper for an {@link InputStream} that ignores the {@link #close()} method call.
 * This can be useful when you want to prevent the underlying input stream from being closed.
 *

     * Test printStackTrace with cause
     */
    public void test_printStackTraceWithCause() {
        Exception cause = new IOException("IO error");
        CrawlerSystemException exception = new CrawlerSystemException("Wrapper exception", cause);

        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        exception.printStackTrace(printWriter);