if (in == null) {
            throw new CrawlerSystemException("The inputstream is null.");
        }
        try {
            final BufferedInputStream bis = new BufferedInputStream(in);
            final String enc = getEncoding(bis);

            final DOMParser parser = getDomParser();
            final InputSource inputSource = new InputSource(bis);

     */
    private void copy(final SmbFile src, final File dest) {
        if (dest.exists() && !dest.canWrite()) {
            return;
        }
        try (BufferedInputStream in = new BufferedInputStream(new SmbFileInputStream(src));
                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(dest))) {
            final byte[] buf = new byte[1024];
            int length;

     * @throws CrawlingAccessException if an error occurs while reading the content
     */
    protected String loadCharset(final InputStream inputStream) {
        BufferedInputStream bis = null;
        String encoding = null;
        try {
            bis = new BufferedInputStream(inputStream);
            final byte[] buffer = new byte[preloadSizeForCharset];
            final int size = bis.read(buffer);
            if (size != -1) {

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.extractor.impl;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.client.storage;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.InputStream;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.client.ftp;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;