Change type assumptions permalink format

src/main/java/edu/kit/typicalc/view/main/InputBar.java

@@ -15,9 +15,7 @@ import com.vaadin.flow.i18n.LocaleChangeEvent;
 import com.vaadin.flow.i18n.LocaleChangeObserver;
 import org.apache.commons.lang3.tuple.Pair;
 
-import java.util.*;
 import java.util.function.Consumer;
-import java.util.stream.Collectors;
 
 /**
  * Contains components which allow the user to enter a lambda term and start the type inference algorithm.
@@ -41,7 +39,7 @@ public class InputBar extends HorizontalLayout implements LocaleChangeObserver {
 
     private static final short MAX_INPUT_LENGTH = 1000;
 
-    private final transient Consumer<Pair<String, Map<String, String>>> callback;
+    private final transient Consumer<Pair<String, String>> callback;
     private final Button infoIcon;
     private final TextField termInputField;
     private final AssumptionInputField assumptionInputField;
@@ -54,7 +52,7 @@ public class InputBar extends HorizontalLayout implements LocaleChangeObserver {
      *
      * @param callback Consumer to call the inferType()-method in UpperBar
      */
-    protected InputBar(Consumer<Pair<String, Map<String, String>>> callback) {
+    protected InputBar(Consumer<Pair<String, String>> callback) {
         this.callback = callback;
 
         setId(INPUT_BAR_ID);
@@ -138,17 +136,7 @@ public class InputBar extends HorizontalLayout implements LocaleChangeObserver {
     private void onTypeInferButtonClick() {
         termInputField.blur();
         String assumptions = assumptionInputField.getValue();
-        Map<String, String> assumptionsMap = Arrays.stream(assumptions.split(";"))
+        callback.accept(Pair.of(termInputField.getValue(), assumptions));
-                .filter(entry -> entry.length() > 0).map(entry -> {
-            if (entry.contains(":")) {
-                String[] parts = entry.split(":", 2);
-                return Pair.of(parts[0].trim(), parts[1].trim());
-            } else {
-                return Pair.of(entry, "");
-            }
-        }).collect(Collectors.toMap(Pair::getLeft, Pair::getRight,
-                (existing, replacement) -> existing, LinkedHashMap::new));
-        callback.accept(Pair.of(termInputField.getValue(), assumptionsMap));
     }
 
     private void onExampleButtonClick() {

src/main/java/edu/kit/typicalc/view/main/MainViewImpl.java

@@ -20,7 +20,6 @@ import java.net.URLDecoder;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.*;
-import java.util.stream.Collectors;
 
 /**
  * Contains all the displayed components and builds the applications user interface (UI).
@@ -43,6 +42,7 @@ public class MainViewImpl extends AppLayout
      * The title of the application
      */
     public static final String PAGE_TITLE = "Typicalc";
+    private static final String ASSUMPTION_PARAMETER = "assumptions";
 
     private final UpperBar upperBar;
 
@@ -74,10 +74,9 @@ public class MainViewImpl extends AppLayout
         if (url.getPath().matches(TypeInferenceView.ROUTE + "/.*")) {
             List<String> segments = url.getSegments();
             String term = segments.get(segments.size() - 1);
-            String types = url.getQueryParameters().getParameters()
+            List<String> types = url.getQueryParameters().getParameters().get(ASSUMPTION_PARAMETER);
-                    .entrySet().stream().map(kv -> kv.getKey() + ": " + kv.getValue().get(0))
+            String assumptions = types != null && types.size() == 1 ? types.get(0) : "";
-                    .collect(Collectors.joining(", "));
+            upperBar.inferTerm(decodeURL(term), assumptions);
-            upperBar.inferTerm(decodeURL(term), types);
         } else if (url.getPath().equals(TypeInferenceView.ROUTE)) {
             setContent(new StartPageView());
             upperBar.inferTerm(StringUtils.EMPTY, "");
@@ -86,18 +85,22 @@ public class MainViewImpl extends AppLayout
         }
     }
 
-    private void processInput(Pair<String, Map<String, String>> lambdaTermAndAssumptions) {
+    private void processInput(Pair<String, String> lambdaTermAndAssumptions) {
         String lambdaTerm = lambdaTermAndAssumptions.getLeft();
         if (lambdaTerm.isBlank()) {
             UI.getCurrent().navigate("./");
             return;
         }
-        QueryParameters qp = new QueryParameters(lambdaTermAndAssumptions.getRight().entrySet().stream().map(entry ->
+        String assumptions = lambdaTermAndAssumptions.getRight();
-                Pair.of(entry.getKey(), List.of(entry.getValue()))
+        if (assumptions.isEmpty()) {
-        ).collect(Collectors.toMap(Pair::getLeft, Pair::getRight,
+            UI.getCurrent().navigate(TypeInferenceView.ROUTE + "/"
-                (existing, replacement) -> existing, LinkedHashMap::new)));
+                    + URLEncoder.encode(lambdaTerm, StandardCharsets.UTF_8));
-        UI.getCurrent().navigate(TypeInferenceView.ROUTE + "/"
+        } else {
-                + URLEncoder.encode(lambdaTerm, StandardCharsets.UTF_8), qp);
+            QueryParameters qp = new QueryParameters(
+                    Map.of(ASSUMPTION_PARAMETER, List.of(lambdaTermAndAssumptions.getRight())));
+            UI.getCurrent().navigate(TypeInferenceView.ROUTE + "/"
+                    + URLEncoder.encode(lambdaTerm, StandardCharsets.UTF_8), qp);
+        }
     }
 
     private String decodeURL(String encodedUrl) {

src/main/java/edu/kit/typicalc/view/main/UpperBar.java

@@ -19,7 +19,6 @@ import edu.kit.typicalc.view.main.MainView.MainViewListener;
 import org.apache.commons.lang3.tuple.Pair;
 
 import java.util.Locale;
-import java.util.Map;
 import java.util.function.Consumer;
 
 
@@ -48,7 +47,7 @@ public class UpperBar extends VerticalLayout implements LocaleChangeObserver {
     private final ItemLabelGenerator<Locale> renderer;
 
     private final transient MainViewListener presenter;
-    private final transient Consumer<Pair<String, Map<String, String>>> inputConsumer;
+    private final transient Consumer<Pair<String, String>> inputConsumer;
 
     /**
      * Initializes a new UpperBar with the provided mainViewListener.
@@ -56,7 +55,7 @@ public class UpperBar extends VerticalLayout implements LocaleChangeObserver {
      * @param presenter     the listener used to communicate with the model
      * @param inputConsumer function to handle user input
      */
-    protected UpperBar(MainViewListener presenter, Consumer<Pair<String, Map<String, String>>> inputConsumer) {
+    protected UpperBar(MainViewListener presenter, Consumer<Pair<String, String>> inputConsumer) {
 
         this.presenter = presenter;
         this.inputConsumer = inputConsumer;
@@ -90,7 +89,7 @@ public class UpperBar extends VerticalLayout implements LocaleChangeObserver {
      *
      * @param termAndAssumptions the lambda term to be type-inferred and the type assumptions to use
      */
-    protected void typeInfer(Pair<String, Map<String, String>> termAndAssumptions) {
+    protected void typeInfer(Pair<String, String> termAndAssumptions) {
         inputConsumer.accept(termAndAssumptions);
     }