public synchronized String getMimeType() throws IOException {
if (fMimeType == null) {
IContentAdapter content = fResource.getAdapter(IContentAdapter.class);
if (content.exists()) {
fMimeType = getMimeTypeFromProperties();
if (fMimeType == null) {
fMimeType = getMimeTypeByFileName();
if (fMimeType == null) {
fMimeType = getMimeTypeByContent();
}
}
}
}
return fMimeType;
}
protected String getMimeTypeByContent() throws IOException {
IContentAdapter content = fResource.getAdapter(IContentAdapter.class);
InputStream input = content.getContentInput();
try {
if (!input.markSupported()) {
input = new BufferedInputStream(input);
}
String mimeType = fDetector.getMimeType(input);
if (mimeType != null) {
int idx = mimeType.lastIndexOf(';');
if (idx > 0) {
mimeType = mimeType.substring(0, idx);
}
}
return mimeType;
} finally {
input.close();
}
}