don't pre-generate urls without queries/paths to avoid quadratic computation

app/src/main/java/com/trianguloy/urlchecker/modules/list/UriPartsModule.java

@@ -18,13 +18,12 @@ import com.trianguloy.urlchecker.url.UrlData;
 import com.trianguloy.urlchecker.utilities.methods.AndroidUtils;
 import com.trianguloy.urlchecker.utilities.methods.Inflater;
 import com.trianguloy.urlchecker.utilities.methods.JavaUtils;
+import com.trianguloy.urlchecker.utilities.methods.JavaUtils.Supplier;
 
 import java.util.ArrayList;
 import java.util.List;
 
-/**
- * This module shows all parts of the url decoded
- */
+/** This module shows all parts of the url decoded */
 public class UriPartsModule extends AModuleData {
 
     @Override
@@ -81,7 +80,7 @@ class UriPartsDialog extends AModuleDialog {
             urlQuerySanitizer.setUnregisteredParameterValueSanitizer(v -> v);
             urlQuerySanitizer.parseQuery(uri.getQuery()
                     // this will fix issues with the parser decoding twice
-                    .replace("%","%25"));
+                    .replace("%", "%25"));
         }
 
         // domain elements
@@ -98,14 +97,17 @@ class UriPartsDialog extends AModuleDialog {
         if (!pathSegments.isEmpty()) {
             var paths = addGroup("Paths", pathSegments.size(), uri.buildUpon().path(null));
             for (var i = 0; i < pathSegments.size(); i++) {
-                var pathSegment = pathSegments.get(i);
-
+                int removeI = i;
+                // append the path
+                addPart("/", pathSegments.get(i), paths, () -> {
+                    // generate the same url without this path
                     var builder = uri.buildUpon();
                     builder.path(null);
                     for (int newI = 0; newI < pathSegments.size(); newI++) {
-                    if (newI != i) builder.appendPath(pathSegments.get(newI));
+                        if (newI != removeI) builder.appendPath(pathSegments.get(newI));
                     }
-                addPart("/", pathSegment, paths, builder);
+                    return builder.build().toString();
+                });
             }
         }
 
@@ -114,14 +116,17 @@ class UriPartsDialog extends AModuleDialog {
         if (!parameters.isEmpty()) {
             var queries = addGroup("Parameters", parameters.size(), uri.buildUpon().query(null));
             for (var i = 0; i < parameters.size(); i++) {
+                int removeI = i;
+                // append the parameter
+                addPart(parameters.get(i).mParameter, parameters.get(i).mValue, queries, () -> {
                     // generate same url but without this parameter
                     var builder = uri.buildUpon();
                     builder.query(null);
-                for (var j = 0; j < parameters.size(); j++) {
-                    if (i != j) builder.appendQueryParameter(parameters.get(j).mParameter, parameters.get(j).mValue);
+                    for (var newI = 0; newI < parameters.size(); newI++) {
+                        if (newI != removeI) builder.appendQueryParameter(parameters.get(newI).mParameter, parameters.get(newI).mValue);
                     }
-                // append the parameter
-                addPart(parameters.get(i).mParameter, parameters.get(i).mValue, queries, builder);
+                    return builder.build().toString();
+                });
             }
         }
 
@@ -134,9 +139,7 @@ class UriPartsDialog extends AModuleDialog {
         setVisibility(box.getChildCount() > 0);
     }
 
-    /**
-     * Adds a collapsible group
-     */
+    /** Adds a collapsible group */
     private LinearLayout addGroup(String name, int size, Uri.Builder onDelete) {
         var title = Inflater.inflate(R.layout.uri_part, box);
         title.findViewById(R.id.key).setVisibility(View.GONE);
@@ -163,10 +166,8 @@ class UriPartsDialog extends AModuleDialog {
         return group;
     }
 
-    /**
-     * Adds a part
-     */
-    private void addPart(String name, String value, LinearLayout container, Uri.Builder onDelete) {
+    /** Adds a part */
+    private void addPart(String name, String value, LinearLayout container, Supplier<String> onDelete) {
         if (value == null) return;
         // create row
         var part = Inflater.inflate(R.layout.uri_part, container);
@@ -186,20 +187,13 @@ class UriPartsDialog extends AModuleDialog {
         // configure delete
         var delete_view = part.<Button>findViewById(R.id.delete);
         if (onDelete != null) {
-            try {
-                var newUrl = onDelete.build().toString();
-                delete_view.setOnClickListener(v -> setUrl(newUrl));
-            } catch (UnsupportedOperationException ignored) {
-                delete_view.setVisibility(View.GONE);
-            }
+            delete_view.setOnClickListener(v -> setUrl(onDelete.get()));
         } else {
             delete_view.setVisibility(View.GONE);
         }
     }
 
-    /**
-     * OnLongClickListener to copy a part (textview text) to the clipboard
-     */
+    /** OnLongClickListener to copy a part (textview text) to the clipboard */
     private final View.OnLongClickListener longTapToCopy = v -> {
         AndroidUtils.copyToClipboard(getActivity(), R.string.mParts_copy, ((TextView) v).getText().toString());
         return true;

app/src/main/java/com/trianguloy/urlchecker/utilities/methods/JavaUtils.java

@@ -108,17 +108,19 @@ public interface JavaUtils {
         else list.add(element);
     }
 
-    /**
-     * java.util.function.Consumer requires api 24
-     */
+    /** java.util.function.Consumer requires api 24 */
     @FunctionalInterface
     interface Consumer<T> {
         void accept(T t);
     }
 
-    /**
-     * java.util.function.Function requires api 24
-     */
+    /** java.util.function.Supplier requires api 24 */
+    @FunctionalInterface
+    interface Supplier<T> {
+        T get();
+    }
+
+    /** java.util.function.Function requires api 24 */
     @FunctionalInterface
     interface Function<T, R> {
         R apply(T t);