/**
* Parse request parameters and files.
*
* @param request
* @param response
*/
protected void parseRequest(HttpServletRequest request, HttpServletResponse response) {
requestParams = new HashMap<String, Object>();
listFiles = new ArrayList<FileItemStream>();
listFileStreams = new ArrayList<ByteArrayOutputStream>();
// Parse the request
if (ServletFileUpload.isMultipartContent(request)) {
// multipart request
try {
ServletFileUpload upload = new ServletFileUpload();
FileItemIterator iter = upload.getItemIterator(request);
while (iter.hasNext()) {
FileItemStream item = iter.next();
String name = item.getFieldName();
InputStream stream = item.openStream();
if (item.isFormField()) {
requestParams.put(name, Streams.asString(stream));
} else {
String fileName = item.getName();
if (fileName != null && !"".equals(fileName.trim())) {
listFiles.add(item);
ByteArrayOutputStream os = new ByteArrayOutputStream();
IOUtils.copy(stream, os);
listFileStreams.add(os);
}
}
}
} catch (Exception e) {
logger.error("Unexpected error parsing multipart content", e);
}
} else {
// not a multipart
for (Object mapKey : request.getParameterMap().keySet()) {
String mapKeyString = (String) mapKey;
if (mapKeyString.endsWith("[]")) {
// multiple values
String values[] = request.getParameterValues(mapKeyString);
List<String> listeValues = new ArrayList<String>();
for (String value : values) {
listeValues.add(value);
}
requestParams.put(mapKeyString, listeValues);
} else {
// single value
String value = request.getParameter(mapKeyString);
requestParams.put(mapKeyString, value);
}
}
}
}
/**
* Processing a new request from ElFinder client.
*
* @param request
* @param response
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response) {
parseRequest(request, response);
IDiagramProfile profile = ServletUtil.getProfile(request, "jbpm", getServletContext());
Repository repository = profile.getRepository();
if (!initialized) {
try {
initializeDefaultRepo(profile, repository, request);
initialized = true;
} catch (Exception e) {
logger.error("Unable to initialize repository: " + e.getMessage());
}
}
JSONObject returnJson = new JSONObject();
try {
System.out.println(
"*********************************** COMMAND: " + requestParams.get("cmd"));
Iterator<String> keys = requestParams.keySet().iterator();
while (keys.hasNext()) {
String key = keys.next();
System.out.println(
"******************************* PARAM: " + key + " -- val: " + requestParams.get(key));
}
String cmd = (String) requestParams.get("cmd");
if (cmd != null && cmd.equals("open")) {
OpenCommand command = new OpenCommand();
command.init(request, response, profile, repository, requestParams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("mkdir")) {
MakeDirCommand command = new MakeDirCommand();
command.init(request, response, profile, repository, requestParams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("mkfile")) {
MakeFileCommand command = new MakeFileCommand();
command.init(request, response, profile, repository, requestParams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("rm")) {
RemoveAssetCommand command = new RemoveAssetCommand();
command.init(request, response, profile, repository, requestParams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("rename")) {
RenameCommand command = new RenameCommand();
command.init(request, response, profile, repository, requestParams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("paste")) {
PasteCommand command = new PasteCommand();
command.init(request, response, profile, repository, requestParams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("upload")) {
UploadCommand command = new UploadCommand();
command.init(
request, response, profile, repository, requestParams, listFiles, listFileStreams);
output(response, false, command.execute());
} else if (cmd != null && cmd.equals("getsvg")) {
try {
Asset asset =
profile.getRepository().loadAssetFromPath((String) requestParams.get("current"));
if (asset != null && asset.getAssetContent() != null) {
outputPlain(response, false, (String) asset.getAssetContent(), "image/svg+xml");
} else {
outputPlain(
response,
true,
"<p><b>Process image not available.</p><p>You can generate the process image in the process editor.</b></p>",
null);
}
} catch (AssetNotFoundException e) {
logger.warn("Error loading process image: " + e.getMessage());
outputPlain(
response,
true,
"<p><b>Could not find process image.</p><p>You can generate the process image in the process editor.</b></p>",
null);
}
}
} catch (Exception e) {
e.printStackTrace();
logger.error(e.getMessage());
putResponse(returnJson, "error", e.getMessage());
// output the error
try {
output(response, false, returnJson);
} catch (Exception ee) {
logger.error("", ee);
}
}
}
