public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String hdfsFolder = request.getParameter("hdfsFolder");
HttpSession session = request.getSession(true);
ConfigurationManager configurationManager =
((LoginPass) session.getAttribute(ShsContext.LOGIN_PASS)).getConfigurationManager();
PrintWriter out = response.getWriter();
Map<String, String> jsonKeyValMap = new LinkedHashMap<String, String>();
try {
IFileSystem filesystem = configurationManager.getFileSystem();
IFile[] files = filesystem.listFiles(hdfsFolder);
response.setContentType("application/json");
int count = 0;
for (IFile file : files) {
jsonKeyValMap.put("fileName" + count, file.getFilename());
jsonKeyValMap.put("fileOwner" + count, file.getOwner());
jsonKeyValMap.put("fileLen" + count, FileUtils.byteCountToDisplaySize(file.getLen()));
jsonKeyValMap.put(
"fileModificationTime" + count,
ShsContext.DATE_FORMAT.format(new Date(file.getModificationTime())));
jsonKeyValMap.put("isDir" + count, file.isDir() ? "0" : "1");
count++;
}
} catch (Exception ee) {
IOException iee = new IOException(ee);
iee.setStackTrace(ee.getStackTrace());
throw iee;
}
out.write(ShsContext.getJsonString(jsonKeyValMap));
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession(true);
String employeeId = ((LoginPass) session.getAttribute(ShsContext.LOGIN_PASS)).getUsername();
Map<String, String> jsonKeyValMap = new HashMap<String, String>();
String resourceFile =
ShsContext.getStorageDir(employeeId) + request.getParameter(ShsContext.JAR_FILENAME);
String className = request.getParameter(ShsContext.CLASS_NAME);
String additionalParameters = request.getParameter(ShsContext.ADDITIONAL_PARAMETERS);
if (StringUtils.isEmpty(additionalParameters)) {
additionalParameters = "";
}
String command =
ShsContext.getCommand(
ShsContext.SCRIPT_FILENAME, resourceFile, className, additionalParameters);
System.out.println("command=\n" + command);
Process process = ShsContext.execute(command);
InputStream in = process.getInputStream();
InputStream error = process.getErrorStream();
String jobId = null;
if (in.available() > 0) {
System.out.println("Trying to get jobId from InputStream...");
jobId = ShsContext.getJobId(in);
} else {
System.out.println("Trying to get jobId from ErrorInputStream...");
jobId = ShsContext.getJobId(error);
}
if (jobId != null) {
jsonKeyValMap.put("jobid", jobId);
} else {
jsonKeyValMap.put(
"error_msg",
"Failed to submit the MapReduce task, please contact administrator for more details.");
}
in.close();
error.close();
PrintWriter out = response.getWriter();
response.setContentType("application/json");
out.write(ShsContext.getJsonString(jsonKeyValMap));
out.close();
}
