private static MimeType checkMimeType(MimeType mimeType) throws Exception {
if (mimeType == null || !DOC_TYPES.contains(mimeType.getDocumentType())) {
throw new Exception("Mime-Type is not supported (" + mimeType + ")");
}
// if there's an ImageIO Dicom reader plugin available, we are able
// to read/restore all mime types (jpeg, png, gif, bmp). If not,
// we need to use the WADO service to convert dicom->image. However
// the WADO service just supports dicom->jpeg and in newer version
// dicom->png conversions.
if (!dicomReaderAvailable) {
if (!MimeType.ImagePNG.equals(mimeType)) {
mimeType = MimeType.ImageJPEG;
}
}
return mimeType;
}
private URL createWadoURL(MimeType mimeType, int size) {
StringBuilder sbuilder = new StringBuilder();
sbuilder.append(WADODelegate.getInstance().getWadoBaseUrl());
sbuilder.append("&studyUID=").append(getStudyInstanceUID());
sbuilder.append("&seriesUID=").append(getSeriesInstanceUID());
sbuilder.append("&objectUID=").append(getSOPInstanceUID());
if (mimeType != null && MimeType.ImagePNG.equals(mimeType)) {
sbuilder.append("&contentType=").append(mimeType.getMimeTypeString());
}
if (size > 0) {
sbuilder.append("&rows=").append(size);
}
try {
return new URL(sbuilder.toString());
} catch (Exception e) {
log.error("Malformed WADO URL!", e);
return null;
}
}
private Resource toImageResource(BufferedImage image, final boolean forDownloading) {
if (image != null) {
MimeType mimeType = getMimeType();
BufferedDynamicImageResource res =
new BufferedDynamicImageResource() {
@Override
protected void setHeaders(WebResponse response) {
super.setHeaders(response);
String filename = getDocumentFileName();
if (forDownloading) {
response.setAttachmentHeader(filename);
} else {
response.setHeader(
"Content-Disposition",
"inline"
+ ((!Strings.isEmpty(filename))
? ("; filename=\"" + filename + "\"")
: ""));
}
}
};
if (MimeType.ImageJPEG.equals(mimeType)) {
res.setFormat("jpeg");
} else if (MimeType.ImagePNG.equals(mimeType)) {
res.setFormat("png");
} else if (MimeType.ImageGIF.equals(mimeType)) {
res.setFormat("gif");
} else if (MimeType.ImageBMP.equals(mimeType)) {
res.setFormat("bmp");
}
res.setImage(image);
return res;
}
return null;
}
