}

        return asStream(form.docId).contentType(getImageMimeType(thumbnailFile)).stream(out -> {
            try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(thumbnailFile))) {
                out.write(in);
            }
        });
    }

    protected String getImageMimeType(final File imageFile) {

        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)) {

        return parser.apply(this);
    }

    public String getContentAsString() {
        final byte[] bytes = new byte[4096];
        try (BufferedInputStream bis = new BufferedInputStream(getContentAsStream());
                ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
            int length = bis.read(bytes);
            while (length != -1) {

                }
            });
        }

        private void writeContent(final Supplier<InputStream> handler) {
            try (BufferedInputStream bis = new BufferedInputStream(handler.get());
                    ContentOutputStream dfos = new ContentOutputStream(threshold, Curl.tmpDir)) {
                final byte[] bytes = new byte[4096];

 */
package org.codelibs.core.io;

import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotEmpty;
import static org.codelibs.core.misc.AssertionUtil.assertArgumentNotNull;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.net.URL;

 * 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;

   * @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);

/**
 * Reads a byte of data from this input stream.
 *
 * @throws IOException if a network error occurs
 */

    public int read() throws IOException {
        // need oplocks to cache otherwise use BufferedInputStream
        if( read( tmp, 0, 1 ) == -1 ) {
            return -1;
        }
        return tmp[0] & 0xFF;
    }

/**
 * Reads up to b.length bytes of data from this input stream into an array of bytes.

     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public int read () throws IOException {
        // need oplocks to cache otherwise use BufferedInputStream
        if ( read(this.tmp, 0, 1) == -1 ) {
            return -1;
        }
        return this.tmp[ 0 ] & 0xFF;
    }


    /**