feat: Add option to clear home screen in settings (#6125)
Signed-off-by: abhixv <abhi.sharma1@hotmail.com>
This commit is contained in:
Abhishek Sharma
committed by
Pun Butrach
Pun Butrach
parent
9898749619
commit
5f3a03f4fb
@@ -24,47 +24,35 @@ import android.content.ComponentName;
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import android.content.ContentProvider;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.pm.PackageManager;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteQueryBuilder;
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import android.net.Uri;
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import android.os.Binder;
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import android.os.Bundle;
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import android.os.Process;
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import android.text.TextUtils;
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import android.util.Log;
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import android.util.Pair;
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import com.android.launcher3.LauncherSettings.Favorites;
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import com.android.launcher3.model.ModelDbController;
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import com.android.launcher3.util.LayoutImportExportHelper;
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import com.android.launcher3.widget.LauncherWidgetHolder;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ExecutionException;
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import java.util.function.ToIntFunction;
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public class LauncherProvider extends ContentProvider {
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private static final String TAG = "LauncherProvider";
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// Method API For Provider#call method.
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private static final String METHOD_EXPORT_LAYOUT_XML = "EXPORT_LAYOUT_XML";
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private static final String METHOD_IMPORT_LAYOUT_XML = "IMPORT_LAYOUT_XML";
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private static final String KEY_RESULT = "KEY_RESULT";
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private static final String KEY_LAYOUT = "KEY_LAYOUT";
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private static final String SUCCESS = "success";
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private static final String FAILURE = "failure";
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/**
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* $ adb shell dumpsys activity provider com.android.launcher3
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*/
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@Override
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public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
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LauncherModel model = LauncherAppState.INSTANCE.get(getContext()).getModel();
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if (model.isModelLoaded()) {
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model.dumpState("", fd, writer, args);
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}
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LauncherAppState.INSTANCE.executeIfCreated(appState -> {
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if (appState.getModel().isModelLoaded()) {
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appState.getModel().dumpState("", fd, writer, args);
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}
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});
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}
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@Override
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@@ -79,20 +67,24 @@ public class LauncherProvider extends ContentProvider {
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@Override
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public String getType(Uri uri) {
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if (TextUtils.isEmpty(parseUri(uri, null, null).first)) {
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return "vnd.android.cursor.dir/" + Favorites.TABLE_NAME;
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SqlArguments args = new SqlArguments(uri, null, null);
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if (TextUtils.isEmpty(args.where)) {
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return "vnd.android.cursor.dir/" + args.table;
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} else {
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return "vnd.android.cursor.item/" + Favorites.TABLE_NAME;
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return "vnd.android.cursor.item/" + args.table;
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}
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}
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@Override
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public Cursor query(Uri uri, String[] projection, String selection,
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String[] selectionArgs, String sortOrder) {
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Pair<String, String[]> args = parseUri(uri, selection, selectionArgs);
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SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
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SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
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qb.setTables(args.table);
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Cursor[] result = new Cursor[1];
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executeControllerTask(controller -> {
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result[0] = controller.query(projection, args.first, args.second, sortOrder);
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result[0] = controller.query(args.table, projection, args.where, args.args, sortOrder);
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return 0;
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});
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return result[0];
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@@ -109,7 +101,7 @@ public class LauncherProvider extends ContentProvider {
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// attempt allocate and bind the widget.
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Integer itemType = values.getAsInteger(Favorites.ITEM_TYPE);
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if (itemType != null
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&& itemType == Favorites.ITEM_TYPE_APPWIDGET
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&& itemType.intValue() == Favorites.ITEM_TYPE_APPWIDGET
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&& !values.containsKey(Favorites.APPWIDGET_ID)) {
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ComponentName cn = ComponentName.unflattenFromString(
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@@ -136,7 +128,8 @@ public class LauncherProvider extends ContentProvider {
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}
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}
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return controller.insert(values);
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SqlArguments args = new SqlArguments(uri);
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return controller.insert(args.table, values);
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});
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return rowId < 0 ? null : ContentUris.withAppendedId(uri, rowId);
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@@ -144,51 +137,14 @@ public class LauncherProvider extends ContentProvider {
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@Override
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public int delete(Uri uri, String selection, String[] selectionArgs) {
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Pair<String, String[]> args = parseUri(uri, selection, selectionArgs);
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return executeControllerTask(c -> c.delete(args.first, args.second));
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SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
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return executeControllerTask(c -> c.delete(args.table, args.where, args.args));
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}
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@Override
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public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
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Pair<String, String[]> args = parseUri(uri, selection, selectionArgs);
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return executeControllerTask(c -> c.update(values, args.first, args.second));
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}
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@Override
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public Bundle call(String method, String arg, Bundle extras) {
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Bundle b = new Bundle();
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// The caller must have the read or write permission for this content provider to
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// access the "call" method at all. We also enforce the appropriate per-method permissions.
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switch(method) {
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case METHOD_EXPORT_LAYOUT_XML:
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if (getContext().checkCallingOrSelfPermission(getReadPermission())
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!= PackageManager.PERMISSION_GRANTED) {
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throw new SecurityException("Caller doesn't have read permission");
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}
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CompletableFuture<String> resultFuture = LayoutImportExportHelper.INSTANCE
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.exportModelDbAsXmlFuture(getContext());
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try {
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b.putString(KEY_LAYOUT, resultFuture.get());
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b.putString(KEY_RESULT, SUCCESS);
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} catch (ExecutionException | InterruptedException e) {
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b.putString(KEY_RESULT, FAILURE);
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}
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return b;
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case METHOD_IMPORT_LAYOUT_XML:
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if (getContext().checkCallingOrSelfPermission(getWritePermission())
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!= PackageManager.PERMISSION_GRANTED) {
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throw new SecurityException("Caller doesn't have write permission");
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}
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LayoutImportExportHelper.INSTANCE.importModelFromXml(getContext(), arg);
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b.putString(KEY_RESULT, SUCCESS);
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return b;
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default:
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return null;
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}
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SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
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return executeControllerTask(c -> c.update(args.table, values, args.where, args.args));
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}
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private int executeControllerTask(ToIntFunction<ModelDbController> task) {
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@@ -209,24 +165,35 @@ public class LauncherProvider extends ContentProvider {
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}
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}
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/**
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* Parses the uri and returns the where and arg clause.
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*
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* Note: This should be called on the binder thread (before posting on any executor) so that
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* any parsing error gets propagated to the caller.
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*/
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private static Pair<String, String[]> parseUri(Uri url, String where, String[] args) {
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switch (url.getPathSegments().size()) {
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case 1 -> {
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return Pair.create(where, args);
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static class SqlArguments {
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public final String table;
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public final String where;
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public final String[] args;
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SqlArguments(Uri url, String where, String[] args) {
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if (url.getPathSegments().size() == 1) {
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this.table = url.getPathSegments().get(0);
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this.where = where;
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this.args = args;
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} else if (url.getPathSegments().size() != 2) {
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throw new IllegalArgumentException("Invalid URI: " + url);
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} else if (!TextUtils.isEmpty(where)) {
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throw new UnsupportedOperationException("WHERE clause not supported: " + url);
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} else {
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this.table = url.getPathSegments().get(0);
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this.where = "_id=" + ContentUris.parseId(url);
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this.args = null;
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}
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case 2 -> {
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if (!TextUtils.isEmpty(where)) {
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throw new UnsupportedOperationException("WHERE clause not supported: " + url);
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}
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return Pair.create("_id=" + ContentUris.parseId(url), null);
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}
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SqlArguments(Uri url) {
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if (url.getPathSegments().size() == 1) {
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table = url.getPathSegments().get(0);
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where = null;
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args = null;
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} else {
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throw new IllegalArgumentException("Invalid URI: " + url);
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}
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default -> throw new IllegalArgumentException("Invalid URI: " + url);
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}
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}
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}
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