OutputUtil.java
/*
* Copyright 2020 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.camera.video.internal.utils;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.camera.core.Logger;
import java.io.File;
/**
* Utility class for output related operations.
*/
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
public final class OutputUtil {
private static final String TAG = "OutputUtil";
private OutputUtil(){}
/** Gets the absolute path from a Uri. */
@Nullable
public static String getAbsolutePathFromUri(@NonNull ContentResolver resolver,
@NonNull Uri contentUri, @NonNull String mediaStoreColumn) {
Cursor cursor = null;
try {
String[] proj;
int columnIndex;
proj = new String[]{mediaStoreColumn};
cursor = resolver.query(contentUri, proj, null, null, null);
if (cursor == null) {
return null;
}
columnIndex = cursor.getColumnIndexOrThrow(mediaStoreColumn);
cursor.moveToFirst();
return cursor.getString(columnIndex);
} catch (RuntimeException e) {
Logger.e(TAG, String.format(
"Failed in getting absolute path for Uri %s with Exception %s",
contentUri.toString(), e.toString()));
return null;
} finally {
if (cursor != null) {
cursor.close();
}
}
}
/**
* Creates parent folder for the input file.
*
* @param file the input file to create its parent folder
* @return {@code true} if the parent folder already exists or is created successfully.
* {@code false} if the existing parent folder path is not a folder or failed to create.
*/
public static boolean createParentFolder(@NonNull File file) {
File parentFile = file.getParentFile();
if (parentFile == null) {
return false;
}
return parentFile.exists() ? parentFile.isDirectory() : parentFile.mkdirs();
}
}