public boolean statusUpdated() {
// check status
// return true if status changed
String oldStatus = status;
String newStatus;
String output = null;
try {
output = util.callGET(new URL("http://" + address + ":" + port), null, null);
// Logger.getLogger(Server.class.getName()).log(Level.INFO, output);
if (output == null || output.equalsIgnoreCase("zero")) newStatus = "inactive";
else newStatus = "active";
} catch (MalformedURLException ex) {
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, output, ex);
newStatus = "inactive";
}
if (oldStatus.equals(newStatus)) return false;
status = newStatus;
return true;
}
private boolean createJavaService(HttpServletRequest request, HttpServletResponse response)
throws IOException {
boolean success = false;
String author = request.getParameter("tmpl-author");
String componentID = request.getParameter("tmpl-componentID");
String description = request.getParameter("tmpl-description");
boolean hasInput = request.getParameter("tmpl-hasInput") != null;
int numOutputs = Integer.parseInt(request.getParameter("tmpl-numOutputs"));
boolean queueLogging = request.getParameter("tmpl-queueLogging") != null;
boolean usesMongo = request.getParameter("tmpl-usesMongo") != null;
boolean isBroker = request.getParameter("tmpl-workerType") == null;
HashSet<String> requiredParameters = null;
String s_req = request.getParameter("tmpl-requiredParameters");
if (s_req != null && !s_req.trim().isEmpty()) {
String[] split = s_req.split(",");
String trimmed;
requiredParameters = new HashSet<>();
for (int i = 0; i < split.length; i++) {
trimmed = split[i].trim();
if (!trimmed.isEmpty()) requiredParameters.add(trimmed);
}
}
Map<String, Object> root = new HashMap<>();
root.put("Author", author);
root.put("ComponentID", componentID);
root.put("Description", description);
if (hasInput) root.put("HasInput", true);
root.put("NumOutputs", numOutputs);
if (queueLogging) root.put("QueueLogging", true);
if (usesMongo) root.put("UsesMongo", true);
if (isBroker) root.put("IsBroker", true);
if (requiredParameters != null && !requiredParameters.isEmpty())
root.put("RequiredParameters", requiredParameters);
String filename;
Template tmpl;
File dir;
String templDir = "templates/java";
// String OZServiceDir = webAppPath + "/templates/OpenZooService";
String outputBaseDir = localRepository + "/templates/" + UUID.randomUUID().toString();
String outputComponentDir = outputBaseDir + "/" + componentID;
// String outputOZServiceDir = outputBaseDir + "/OpenZooService";
String s_ZipFile = localRepository + "/templates/" + componentID + ".zip";
dir = new File(outputComponentDir);
if (dir.exists()) FileUtils.deleteQuietly(dir);
dir.mkdirs();
// dir = new File(outputOZServiceDir);
// if (dir.exists())
// FileUtils.deleteQuietly(dir);
// dir.mkdirs();
dir = new File(outputBaseDir);
System.out.println("Output base dir will be: " + dir.getAbsolutePath());
for (int i = 0; i < dirs.length; i++) {
dir = new File(outputComponentDir + "/" + dirs[i]);
dir.mkdirs();
}
// first create the component files using the templates
for (int i = 0; i < files.length; i++) {
filename = files[i];
if (!(new File(webAppPath + "/" + templDir + "/" + filename + ".ftl")).exists()) continue;
tmpl = cfg.getTemplate(templDir + "/" + filename + ".ftl");
filename = filename.replace("_COMPONENTID_", componentID);
try (BufferedWriter writer =
new BufferedWriter(new FileWriter(outputComponentDir + "/" + filename))) {
tmpl.process(root, writer);
} catch (TemplateException ex) {
System.err.println(
"TemplateException during creating template for file " + filename + ": " + ex);
err("TemplateException during creating template for file " + filename + ": " + ex);
}
}
// then copy the OpenZooService files
// System.out.println("Copying OpenZooService files from " + new
// File(OZServiceDir).getAbsolutePath());
// FileUtils.copyDirectory(new File(OZServiceDir), new File(outputOZServiceDir));
// finally, create zip file with both directories
// compressDirectory, apart from compressing, also renames .jav_ to .java files
if (Utilities.compressDirectory(outputBaseDir, s_ZipFile)) {
File downloadFile = new File(s_ZipFile);
ServletContext context = request.getServletContext();
String mimeType = context.getMimeType(s_ZipFile);
if (mimeType == null) {
// set to binary type if MIME mapping not found
mimeType = "application/octet-stream";
}
System.out.println("MIME type: " + mimeType);
response.setContentType(mimeType);
response.setContentLength((int) downloadFile.length());
String headerKey = "Content-Disposition";
String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());
response.setHeader(headerKey, headerValue);
byte[] buffer = new byte[4096];
int bytesRead;
try (FileInputStream inStream = new FileInputStream(downloadFile);
OutputStream outStream = response.getOutputStream()) {
while ((bytesRead = inStream.read(buffer)) != -1) {
outStream.write(buffer, 0, bytesRead);
}
}
success = true;
} else {
System.err.println("Directory could not be compressed");
err("Directory could not be compressed");
}
dir = new File(outputBaseDir);
if (dir.exists()) FileUtils.deleteQuietly(dir);
return success;
}
