/**
* Get the preferred file extension for the content type
*
* @param mimeType mimeType
* @return file extension (already including '.')
*/
public static String getExtension(String mimeType) {
final String defaultExt = ".bin";
final MimeTypes allTypes = MimeTypes.getDefaultMimeTypes();
try {
final String ext = allTypes.forName(mimeType).getExtension();
log.trace("Tika's file-extension for {} is '{}'", mimeType, ext);
if (StringUtils.isNotBlank(ext)) {
return ext;
}
} catch (MimeTypeException e) {
log.trace("MimeTypeException: {}. Not critical, recovering...", e.getMessage());
}
log.trace("Using fallback file-extension '{}' for {}", defaultExt, mimeType);
return defaultExt;
}
public void parseEmbedded(
InputStream inputStream,
ContentHandler contentHandler,
Metadata metadata,
boolean outputHtml)
throws SAXException, IOException {
String name = metadata.get(Metadata.RESOURCE_NAME_KEY);
if (name == null) {
name = "file" + count++;
}
MediaType contentType = detector.detect(inputStream, metadata);
if (name.indexOf('.') == -1 && contentType != null) {
try {
name += config.getMimeRepository().forName(contentType.toString()).getExtension();
} catch (MimeTypeException e) {
e.printStackTrace();
}
}
String relID = metadata.get(Metadata.EMBEDDED_RELATIONSHIP_ID);
if (relID != null && !name.startsWith(relID)) {
name = relID + "_" + name;
}
File outputFile = new File(extractDir, name);
File parent = outputFile.getParentFile();
if (!parent.exists()) {
if (!parent.mkdirs()) {
throw new IOException("unable to create directory \"" + parent + "\"");
}
}
System.out.println("Extracting '" + name + "' (" + contentType + ") to " + outputFile);
FileOutputStream os = null;
try {
os = new FileOutputStream(outputFile);
if (inputStream instanceof TikaInputStream) {
TikaInputStream tin = (TikaInputStream) inputStream;
if (tin.getOpenContainer() != null && tin.getOpenContainer() instanceof DirectoryEntry) {
POIFSFileSystem fs = new POIFSFileSystem();
copy((DirectoryEntry) tin.getOpenContainer(), fs.getRoot());
fs.writeFilesystem(os);
} else {
IOUtils.copy(inputStream, os);
}
} else {
IOUtils.copy(inputStream, os);
}
} catch (Exception e) {
logger.warn("Ignoring unexpected exception trying to save embedded file " + name, e);
} finally {
if (os != null) {
os.close();
}
}
}