Develop Reference

Using flag in java and calling it from one class to another class

I am using flag in one class
private boolean spit_everythingtoLog = false;
public boolean readCommandLineParameters(String[] args) {
Logger log = Logger.getLogger(CLIReader.class);
Options options = new Options();
Option helpOpt = Option.builder("h").longOpt("help").desc("Usage Help").build();
options.addOption(helpOpt);
Option serverurl = Option.builder("url").longOpt("server url").desc("Server url").required().hasArg().argName("url").build();
options.addOption(serverurl);
Option userOpt = Option.builder("u").longOpt("user").desc(" User Name").hasArg().argName("user").required().build();
options.addOption(userOpt);
Option pwdOpt = Option.builder("p").longOpt("password").desc(" user password").hasArg().argName("password").required().build();
options.addOption(pwdOpt);
Option completeLoggerOpt = Option.builder("v").longOpt("completeLogger").desc("Complete Logger Info + Errors").hasArg().argName("Optional").build();
options.addOption(completeLoggerOpt);
try {
CommandLineParser parser = new DefaultParser();
CommandLine cmd = parser.parse(options, args, true);
if(cmd.hasOption("v")){
spit_everythingtoLog = true;
}
serverUrl = cmd.getOptionValue("url");
user = cmd.getOptionValue("u");
password = cmd.getOptionValue("p");
streamName = cmd.getOptionValue("s");
compList = cmd.getOptionValue("c");
}
catch (Exception e) {
}
}
else
{
log.info(e.getMessage());
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("AutoLockComponent ", options, true);
}
}
return false;
}
}
public String getUser() {
return user;
}
public String getPassword() {
return password;
}
public String getServerUrl() {
return serverUrl;
}
public boolean getFlag() {
return spit_everythingtoLog;
}
Now how to call that flag value in another class such as
if(isLocked)
{
if(isLockedByMe)
{
//System.out.println("Do Nothing");
if(cli.getFlag()==true)
{
log.info("Yes");
}
else
{
log.info("No");
}
like i want that if user passes this arguement
-u stack -p flow -url https://www.google.com -v then print "Yes"
and if user passes this arguement
-u stack -p flow -url https://www.google.com then print "No"
Can anyone please help me out in this?

How to write a Junit test for a method that takes a file path and creates a new file?

I have method in Java class that takes a file path and creates a new file. How do I write a Junit test for this method?
public String sendToECM(String filePath) {
String ecmDocId = StringUtils.EMPTY;
try {
File file = new File(filePath);
if(file.exists()) {
DocumentPropertiesVO documentPropertiesVO = UploadFileToContentManagement.uploadDocument(file);
ecmDocId = documentPropertiesVO.getDocumentID();
}
return ecmDocId;
} catch (SomeException cee) {
log.error("There was an error adding the document", cee);
}
}

#Test
void testValidFilePath() {
String filePath = "path.txt";
String str = sendToECM(filePath);
Assertions.assertNotEquals(str, ""); // or null, depending on what your StringUtils.EMPTY is doing
#Test
void testInvalidFilePath() {
String filePath = "invalidPath.txt";
String str = sendtoECM(filePath);
Assertions.assertEquals(str, StringUtils.EMPTY);

Receiving null output for tdd url test

When I run junit tests on my project I receive the following error when trying to test that my project can build a url correctly. I am not sure what I am doing wrong below is the trace of the failed test run as well as the distancematrixconnection class and test class. It is producing a blank output when trying to compile the url string.
org.junit.ComparisonFailure: expected:<[http://maps.googleapis.com/maps/api/distancematrix/xml?origins=albany&destinations=albany%20in&language=en-EN&sensor=false&language=en-EN&units=imperial]> but was:<[]>
at org.junit.Assert.assertEquals(Assert.java:115)
at org.junit.Assert.assertEquals(Assert.java:144)
at edu.bsu.cs222.gascalculator.tests.GoogleUrlTests.testAlbanyNYtoAlbanyINURL(GoogleUrlTests.java:26)
public class GoogleDistanceMatrixConnection
{
String startLocation;
String endLocation;
final String urlString = "http://maps.googleapis.com/maps/api/distancematrix/xml?origins=" + startLocation +"&destinations=" + endLocation +"&language=en-EN&sensor=false&language=en-EN&units=imperial";
private static String XMLFile;
public String makeXMLFile(String start, String end) throws IOException
{
startLocation = start;
endLocation = end;
URL url = new URL(urlString);
URLConnection connection = url.openConnection();
connection.connect();
BufferedReader reader = new BufferedReader( new InputStreamReader(
connection.getInputStream()));
for(String line = reader.readLine(); line != null; line =
reader.readLine())
{
setXMLFile(line);
}
return getXMLFile();
}
// public static void main(String[] args) throws IOException{
// GoogleDistanceMatrixConnection c = new GoogleDistanceMatrixConnection();
// }
public static String getXMLFile() {
return XMLFile;
}
public static void setXMLFile(String xMLFile) {
XMLFile = xMLFile;
}
public boolean doesPageExist() {
if(XMLFile == null)
return true;
else
return false;
}
}
public class GoogleUrlTests {
private GoogleDistanceMatrixConnection urlString = new GoogleDistanceMatrixConnection();
private String generatedUrl = "";
private String actualUrl = "";
#Test
public void testAlbanyNYtoAlbanyINURL() throws IOException {
generatedUrl = urlString.makeXMLFile("albany", "albany+in");
actualUrl = "http://maps.googleapis.com/maps/api/distancematrix/xml?origins=albany&destinations=albany%20in&language=en-EN&sensor=false&language=en-EN&units=imperial";
Assert.assertEquals(actualUrl, generatedUrl);
}
#Test
public void testLosAngelesToNewYorkURL() throws IOException {
generatedUrl = urlString.makeXMLFile("losangeles", "newyork");
actualUrl = "http://maps.googleapis.com/maps/api/distancematrix/xml?origins=losangeles&destinations=newyork&language=en-EN&sensor=false&language=en-EN&units=imperial";
Assert.assertEquals(actualUrl, generatedUrl);
}
}

Comparing your test cases and your code in makeXMLFile, I'm confused of what you are really trying to do here.
If you want to pass you tests, then I think this code will do that for you. You can use URLEncoder to properly encode your URL string.
public class GoogleDistanceMatrixConnection
{
public String makeXMLFile(String start, String end) throws IOException
{
return "http://maps.googleapis.com/maps/api/distancematrix/xml?origins=" + URLEncoder.encode(start) +"&destinations=" + URLEncoder.encode(end) +"&language=en-EN&sensor=false&language=en-EN&units=imperial";
}
}
Otherwise, you need to clarify your question.

not able to retrieve command line options

I have been trying to put my head around this. There are no errors but I am not seeing the desired answer:
public class Clopts {
private static Options options = null;
private static final String InputDir = "i";
private static final String OutputDir = "o";
private String input;
private CommandLine cmd = null;
static{
options = new Options();
options.addOption(InputDir, false, "Input Directory");
options.addOption(OutputDir, false, "Output Directory. " + OutputDir );
}
public static void main(String[] args) {
Clopts cliProg = new Clopts();
cliProg.loadArgs(args);
}
private void loadArgs(String[] args){
CommandLineParser parser = new PosixParser();
try {
cmd = parser.parse(options, args);
} catch (ParseException e) {
System.err.println("Error parsing arguments");
e.printStackTrace();
System.exit(1);
}
if (cmd.hasOption(InputDir)){
input = cmd.getOptionValue(InputDir);
System.out.println(input); // This is always null :(
}
}
}
While I am passing the argument -i foo -o bar
But I am not seeing the foo or bar every time i see is null.
Also I want to println in the main module. How do i get the options from command line and then print out what the options are.

When you define your options with:
options.addOption(InputDir, false, "Input Directory");
options.addOption(OutputDir, false, "Output Directory. " + OutputDir );
The false means they don't take arguments. If you want an option value you must specify true here.

RubyNoMethodError - call a ruby method from Java

I have this ruby class :
require 'stringio'
require 'hirb'
class Engine
def initialize()
#binding = Kernel.binding
end
def run(code)
# run something
stdout_id = $stdout.to_i
$stdout = StringIO.new
cmd = <<-EOF
$SAFE = 3
$stdout = StringIO.new
begin
#{code}
end
EOF
begin
result = Thread.new { Kernel.eval(cmd, #binding) }.value
rescue SecurityError
return "illegal"
rescue Exception => e
return e
ensure
output = get_stdout
$stdout = IO.new(stdout_id)
end
return output
end
private
def get_stdout
raise TypeError, "$stdout is a #{$stdout.class}" unless $stdout.is_a? StringIO
$stdout.rewind
$stdout.read
end
end
The "run" method should call an IRB's function and to capture the output (string format).
I want to call this function from a Java class but it can't find the IRB methods, even they are loaded (require 'hirb').
My java class looks like this :
public class MyClass {
private final static String jrubyhome = "/usr/lib/jruby/";
private String rubySources;
private String hirbSource;
private String myEngine;
private boolean loaded = false;
private void loadPaths() {
String userDir;
userDir = System.getProperty("user.dir");
rubySources = userDir + "/../ruby";
hirbSource = userDir + "/hirb.rb";
myEngine = rubySources + "/engine.rb";
System.setProperty("jruby.home", jrubyhome);
System.setProperty("org.jruby.embed.class.path", rubySources+":"+hirbSource);
System.setProperty("hbase.ruby.sources", rubySources+":"+hirbSource);
}
private String commandResponse(String command)
throws FileNotFoundException
{
String response;
loadPaths();
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("jruby");
ScriptingContainer container = new ScriptingContainer();
Reader reader = new FileReader(myEngine);
try {
Object receiver = engine.eval(reader);
String method = "run";
Object ob = container.callMethod(receiver,method,command);
response = ob.getClass().toString();
return response;
} catch (ScriptException e) {
System.out.println("exception");
}
return "FAILED";
}
public static void main(String args[])
throws IOException {
MyClass my = new MyClass();
System.out.println(my.commandResponse(args[0]));
}
}
Do you know what could be the problem?
[EDITED] After I extended the Kernel module and added the commands it worked.