/**
* Load MIMEType and corresponding extension.
*
* @param aLine the a line
*/
protected void processLine(String aLine) {
aLine = aLine.toLowerCase();
int p = aLine.indexOf("=");
String ext = aLine.substring(0, p);
String mimetype = aLine.substring(p + 1);
try {
MimeType mimeType = new MimeType(mimetype);
String mode = mimeType.getParameter(ExtendedMimeTypeResolver.X_TYPE_MODE);
if (mode != null && mode.length() > 0) {
String baseType = mimeType.getBaseType();
Set<String> modeList = modes.get(baseType);
if (modeList == null) {
modeList = new LinkedHashSet<String>();
}
modeList.add(mode);
modes.put(baseType, modeList);
}
} catch (MimeTypeParseException e) {
LOG.warn("Error parsing mimetype " + mimetype + ": " + e.getMessage());
}
// add mimetype
List<String> values = mimeTypes.get(ext);
if (values == null) {
values = new ArrayList<String>();
mimeTypes.put(ext, values);
}
values.add(mimetype);
// add extension
values = extentions.get(mimetype);
if (values == null) {
values = new ArrayList<String>();
extentions.put(mimetype, values);
}
values.add(ext);
}
/**
* Return optional representation (UI) mode parameter (x-type-mode) for given MIME type or/and a
* file name. If type is <code>null</code> then the type will be defined from given file name
* first. If mode cannot be determined for given type and file name not <code>null</code>, then an
* attempt will be tried for a type defined for this name. Method returns <code>null</code> if
* mode cannot be determined from given parameters.
*
* @param type {@link String} a MIME type string or <code>null</code>
* @param name {@link String} a file name or <code>null</code>
* @return {@link String} with UI mode for given MIME type or <code>null</code> if mode cannot be
* determined
*/
public String getMimeTypeMode(String type, String name) {
if (type == null && name != null) {
type = getMimeType(name);
}
if (type != null) {
try {
boolean tryResolved;
do {
tryResolved = false;
MimeType mimeType = new MimeType(type);
String mode = mimeType.getParameter(ExtendedMimeTypeResolver.X_TYPE_MODE);
if (mode == null || mode.length() == 0) {
// try in this resolved map
Set<String> modeList = modes.get(mimeType.getBaseType());
if (modeList != null && modeList.size() == 1) {
// if have one-to-one relation - OK, else will try by filename
return modeList.iterator().next();
} else if (name != null) {
// try with a type resolved from given filename
type = getMimeType(name);
tryResolved = true;
name = null; // null to do not repeat this attempt
} else if (modeList != null && modeList.size() > 0) {
// worse case: we have several modes for given type and need choose... first one
return modeList.iterator().next();
}
} else {
return mode;
}
} while (type != null && tryResolved);
} catch (MimeTypeParseException e) {
LOG.warn("Error parsing mimetype " + type + ": " + e.getMessage());
}
}
return null;
}