try (BufferedInputStream bis = new BufferedInputStream(inputSupplier.open(), BUFFER_SIZE)) {
            bis.mark(BUFFER_SIZE);
            XMLStreamReader xsr = XMLInputFactory.newFactory().createXMLStreamReader(bis);
            xsr.nextTag();
            String nsUri = xsr.getNamespaceURI();
            try (BufferedInputStream bis2 = reset(inputSupplier, bis)) {

    public boolean isValid(final InputStream in) {
        return isValid(in, true);
    }

    protected boolean isValid(final InputStream in, final boolean recursive) {
        final BufferedInputStream bis = new BufferedInputStream(in);
        bis.mark(preloadSize);

        final byte[] bytes = new byte[preloadSize];
        try {
            if (bis.read(bytes) == -1) {
                return false;
            }

import org.gradle.api.attributes.Attribute
import org.objectweb.asm.ClassReader
import org.objectweb.asm.ClassWriter
import org.objectweb.asm.commons.ClassRemapper
import org.objectweb.asm.commons.Remapper
import java.io.BufferedInputStream
import java.io.File
import java.io.FileInputStream
import java.io.IOException
import java.net.URI
import java.nio.file.FileSystems
import java.nio.file.FileVisitResult
import java.nio.file.FileVisitor

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

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

            return false;
        }
        return true;
    }

    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) {

   * @since 15.0 (in 14.0 with return type {@link BufferedInputStream})
   */
  public InputStream openBufferedStream() throws IOException {
    InputStream in = openStream();
    return (in instanceof BufferedInputStream)
        ? (BufferedInputStream) in
        : new BufferedInputStream(in);
  }

  /**

    }

    @Override
    protected void storeData(final ResponseData responseData, final ResultData resultData) {
        final DOMParser parser = getDomParser();
        try (final BufferedInputStream bis = new BufferedInputStream(responseData.getResponseBody())) {
            final byte[] bomBytes = new byte[UTF8_BOM_SIZE];
            bis.mark(UTF8_BOM_SIZE);
            final int size = bis.read(bomBytes);

 * 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;

 * 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.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;

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

import static org.codelibs.core.stream.StreamUtil.split;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;