EntityUriUtils.java
/*
* Copyright 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.core.google.shortcuts.utils;
import static androidx.annotation.RestrictTo.Scope.LIBRARY;
import android.content.UriMatcher;
import android.net.Uri;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RestrictTo;
import androidx.core.util.Preconditions;
/**
* Utility methods for {@link Uri} for AppSearch Documents.
*
* @hide
*/
@RestrictTo(LIBRARY)
public class EntityUriUtils {
private static final String ENTITY_URI_SCHEME = "appsearch";
private static final String ENTITY_URI_AUTHORITY = "__shortcut_adapter_db__";
private static final String ENTITY_URI_NS_PATH = "__shortcut_adapter_ns__";
private static final int ENTITY_ID = 1;
private static final UriMatcher sUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
static {
sUriMatcher.addURI(ENTITY_URI_AUTHORITY, ENTITY_URI_NS_PATH + "/*", ENTITY_ID);
}
/**
* If the uri is a valid AppSearch entity uri, then return its entity id, otherwise return
* null.
*/
// TODO (ddong): move this to ShortcutAdapter.
@Nullable
public static String getEntityId(@NonNull String entityUriString) {
Preconditions.checkNotNull(entityUriString);
Uri entityUri = Uri.parse(entityUriString);
if (!ENTITY_URI_SCHEME.equals(entityUri.getScheme())) {
return null;
}
int match = sUriMatcher.match(entityUri);
if (match == ENTITY_ID) {
return entityUri.getLastPathSegment();
}
return null;
}
private EntityUriUtils() {}
}