/** Determines if this is a property that should be analyzed by text processing tools. */
protected boolean isTextProperty(Property property) {
if (property == null) {
return false;
}
if (property.getName().equals(LumifyProperties.RAW.getPropertyName())) {
return false;
}
String mimeType =
(String) property.getMetadata().get(LumifyProperties.MIME_TYPE.getPropertyName());
return !(mimeType == null || !mimeType.startsWith("text"));
}
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, HandlerChain chain)
throws Exception {
boolean download = getOptionalParameter(request, "download") != null;
boolean playback = getOptionalParameter(request, "playback") != null;
User user = getUser(request);
Authorizations authorizations = getAuthorizations(request, user);
String graphVertexId = UrlUtils.urlDecode(getAttributeString(request, "graphVertexId"));
Vertex artifactVertex = graph.getVertex(graphVertexId, authorizations);
if (artifactVertex == null) {
respondWithNotFound(response);
return;
}
String fileName = LumifyProperties.FILE_NAME.getPropertyValue(artifactVertex);
if (fileName == null) {
fileName = LumifyProperties.TITLE.getPropertyValue(artifactVertex);
}
if (playback) {
handlePartialPlayback(request, response, artifactVertex, fileName, user);
} else {
String mimeType = getMimeType(artifactVertex);
response.setContentType(mimeType);
setMaxAge(response, EXPIRES_1_HOUR);
if (download) {
response.addHeader("Content-Disposition", "attachment; filename=" + fileName);
} else {
response.addHeader("Content-Disposition", "inline; filename=" + fileName);
}
StreamingPropertyValue rawValue = LumifyProperties.RAW.getPropertyValue(artifactVertex);
if (rawValue == null) {
LOGGER.warn("Could not find raw on artifact: %s", artifactVertex.getId().toString());
respondWithNotFound(response);
return;
}
InputStream in = rawValue.getInputStream();
try {
IOUtils.copy(in, response.getOutputStream());
} finally {
in.close();
}
}
chain.next(request, response);
}
@Override
public boolean isHandled(Element element, Property property) {
if (property == null) {
return false;
}
if (property.getName().equals(LumifyProperties.RAW.getPropertyName())) {
return false;
}
String mimeType =
(String) property.getMetadata().get(LumifyProperties.MIME_TYPE.getPropertyName());
return !(mimeType == null || !mimeType.startsWith("text"));
}
