changes all url string to URI type

Fixes #77

refactor strings to URI changes

arrange two more imports

src/main/java/fi/helsinki/cs/tmc/core/commands/GetCourse.java

@@ -61,7 +61,7 @@ public Course call() throws TmcCoreException, URISyntaxException {
 
         if (!course.isPresent()) {
             throw new TmcCoreException(
-                    "Attempted to fetch nonexistent course " + urlWithApiVersion);
+					"Attempted to fetch nonexistent course " + urlWithApiVersion);
         }
 
         return course.get();

src/test/java/fi/helsinki/cs/tmc/core/commands/SubmitTest.java

@@ -24,6 +24,7 @@
 import fi.helsinki.cs.tmc.core.domain.Course;
 import fi.helsinki.cs.tmc.core.domain.ProgressObserver;
 import fi.helsinki.cs.tmc.core.domain.submission.SubmissionResult;
+import fi.helsinki.cs.tmc.core.exceptions.ExpiredException;
 import fi.helsinki.cs.tmc.core.exceptions.TmcCoreException;
 import fi.helsinki.cs.tmc.core.testhelpers.ExampleJson;
 
@@ -185,7 +186,7 @@ public void submitWithTmcCore() throws Exception {
     }
 
     @Test
-    public void testSubmissionWithObserver() throws Exception{
+    public void testSubmissionWithObserver() throws Exception {
         when(submitterMock.submit(eq(path), eq(observer))).thenReturn(URI.create("xkcd.com"));
         submitWithObserver.call();
         verify(submitterMock).submit(eq(path), eq(observer));

src/test/java/fi/helsinki/cs/tmc/core/communication/ExerciseSubmitterTest.java

@@ -139,8 +139,8 @@ public void testSubmitWithOneParam()
         this.courseSubmitter =
                 new ExerciseSubmitter(rootFinder, langs, urlCommunicator, tmcApi, settings);
         rootFinder.setReturnValue(testPath);
-        URI submissionPath = URI.create(
-				"http://127.0.0.1:8080/submissions/1781.json?api_version=7");
+        URI submissionPath = URI.create
+                ("http://127.0.0.1:8080/submissions/1781.json?api_version=7");
         URI result = courseSubmitter.submit(testPath);
         assertEquals(submissionPath, result);
     }
@@ -316,8 +316,8 @@ public void testSubmitterUsesProgressObserverIfGiven() throws Exception {
         this.courseSubmitter =
                 new ExerciseSubmitter(rootFinder, langs, urlCommunicator, tmcApi, settings);
         rootFinder.setReturnValue(testPath);
-        URI submissionPath = URI.create(
-                "http://127.0.0.1:8080/submissions/1781.json?api_version=7");
+        URI submissionPath = URI.create
+                ("http://127.0.0.1:8080/submissions/1781.json?api_version=7");
         URI result = courseSubmitter.submit(testPath, observer);
         verify(observer).progress("zipping exercise");
         verify(observer).progress("submitting exercise");

src/test/java/fi/helsinki/cs/tmc/core/communication/SubmissionPollerTest.java

@@ -25,7 +25,7 @@ public class SubmissionPollerTest {
 
     private SubmissionPoller submissionPoller;
     private URI url = URI.create(
-            "https://tmc.mooc.fi/staging/submissions/1764.json?api_version=7&client=tmc_cli&client_version=1");
+            "https://example.com/staging/submissions/1764.json?api_version=7&client=tmc_cli&client_version=1");
     private CoreTestSettings settings;
     private TmcApi tmcApi;
 

src/test/java/fi/helsinki/cs/tmc/core/domain/ReviewTest.java

@@ -32,7 +32,7 @@
 public class ReviewTest {
 
     private static final URI updateUrl =
-            URI.create("http://test.mooc.duck.fi/courses/47/reviews/8");
+            URI.create("http://example.com/courses/47/reviews/8");
     private static final URI putUrl = URI.create(updateUrl + ".json?api_version=7");
     private Review review;