* Format</a> ({@code crw} files), a widely-used "raw image" format for cameras. It is found in
   * {@code /etc/mime.types}, e.g. in <a href=
   * "http://anonscm.debian.org/gitweb/?p=collab-maint/mime-support.git;a=blob;f=mime.types;hb=HEAD"
   * >Debian 3.48-1</a>.
   *
   * @since 15.0
   */
  public static final MediaType CRW = createConstant(IMAGE_TYPE, "x-canon-crw");

        InputStream is = getClass().getClassLoader().getResourceAsStream( "jcifs/smb1/util/mime.map" );

        inLen = 0;
        while(( n = is.read( in, inLen, IN_SIZE - inLen )) != -1 ) {
            inLen += n;
        }
        if( inLen < 100 || inLen == IN_SIZE ) {
            throw new IOException( "Error reading jcifs/smb1/util/mime.map resource" );
        }
        is.close();
    }

import java.io.InputStream;
import java.net.URLConnection;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.io.CloseableUtil;
import org.codelibs.core.io.ResourceUtil;

/**
 * Mimeタイプ用のユーティリティクラスです。
 *
 * @author shot
 */
public abstract class MimeTypeUtil {

    /**
     * コンテントタイプを予想します。
     *
     * @param path
     *            パス。{@literal null}や空文字列であってはいけません