buf.append(bodyPart.getContent().toString()).append(' ');
                    } else if (bodyPart.isMimeType("multipart/alternative") && bodyPart.getContent() instanceof Multipart) {
                        final Multipart alternativePart = (Multipart) bodyPart.getContent();
                        for (int j = 0; j < alternativePart.getCount(); j++) {

     * @return the embedded file, or null if not found
     */
    protected PDEmbeddedFile getEmbeddedFile(final PDComplexFileSpecification fileSpec) {
        // search for the first available alternative of the embedded file
        PDEmbeddedFile embeddedFile = null;
        if (fileSpec != null) {
            embeddedFile = fileSpec.getEmbeddedFileUnicode();
            if (embeddedFile == null) {

				"model/vnd.moml+xml",
				"model/vnd.mts",
				"model/vnd.parasolid.transmit.binary",
				"model/vnd.parasolid.transmit.text",
				"model/vnd.vtu",
				"model/vrml",
				"multipart/alternative",
				"multipart/appledouble",
				"multipart/byteranges",
				"multipart/digest",
				"multipart/encrypted",
				"multipart/example",
				"multipart/form-data",
				"multipart/header-set",

    <glob pattern="*.vtu"/>
  </mime-type>

  <mime-type type="model/vrml">
    <glob pattern="*.wrl"/>
    <glob pattern="*.vrml"/>
  </mime-type>

  <mime-type type="multipart/alternative"/>

  <mime-type type="multipart/appledouble">
    <magic priority="50">
      <match value="0x00051607" type="string" offset="0"/>
    </magic>
  </mime-type>