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cleanup unused code #3899

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Apr 17, 2019
Merged

cleanup unused code #3899

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179 changes: 9 additions & 170 deletions src/main/java/com/owncloud/android/utils/UriUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,193 +18,38 @@

package com.owncloud.android.utils;

import android.annotation.TargetApi;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.webkit.MimeTypeMap;

import com.owncloud.android.lib.common.utils.Log_OC;

import java.util.Locale;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;


/**
* A helper class for some Uri operations.
*/
public final class UriUtils {

public static final String TAG = UriUtils.class.getSimpleName();
private static final String TAG = UriUtils.class.getSimpleName();

public static final String URI_CONTENT_SCHEME = "content://";

private UriUtils() {
// utility class -> private constructor
}

/**
* Get the value of the data column for this Uri. This is useful for
* MediaStore Uris, and other file-based ContentProviders.
*
* @param context The context.
* @param uri The Uri to query.
* @param selection (Optional) Filter used in the query.
* @param selectionArgs (Optional) Selection arguments used in the query.
* @return The value of the _data column, which is typically a file path.
*/
public static String getDataColumn(Context context, Uri uri, String selection, String... selectionArgs) {

Cursor cursor = null;
final String column = "_data";
final String[] projection = {column};

try {
cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
if (cursor != null && cursor.moveToFirst()) {

final int column_index = cursor.getColumnIndexOrThrow(column);
return cursor.getString(column_index);
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return null;
}

/**
* @param uri The Uri to check.
* @return Whether the Uri authority is ExternalStorageProvider.
*/
public static boolean isExternalStorageDocument(Uri uri) {
return "com.android.externalstorage.documents".equals(uri.getAuthority());
}

/**
* @param uri The Uri to check.
* @return Whether the Uri authority is DownloadsProvider.
*/
public static boolean isDownloadsDocument(Uri uri) {
return "com.android.providers.downloads.documents".equals(uri.getAuthority());
}

/**
* @param uri The Uri to check.
* @return Whether the Uri authority is MediaProvider.
*/
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}

/**
* @param uri The Uri to check.
* @return Whether the Uri authority is Google Photos.
*/
public static boolean isGooglePhotosUri(Uri uri) {
return "com.google.android.apps.photos.content".equals(uri.getAuthority());
}

/**
*
* @param uri The Uri to check.
* @return Whether the Uri is from a content provider as kind "content://..."
*/
public static boolean isContentDocument(Uri uri) {
return uri.toString().startsWith(URI_CONTENT_SCHEME);
}


/**
* Translates a content:// URI referred to a local file file to a path on the local filesystem
*
* @param uri The URI to resolve
* @return The path in the file system to the content or null if it could not be found (not a file)
*/
@TargetApi(Build.VERSION_CODES.KITKAT)
@SuppressFBWarnings("Bx")
public static String getLocalPath(Uri uri, Context context) {
final boolean isKitKatOrLater = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

// DocumentProvider
if (isKitKatOrLater && DocumentsContract.isDocumentUri(context, uri)) {
// ExternalStorageProvider
if (UriUtils.isExternalStorageDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];

if ("primary".equalsIgnoreCase(type)) {
return Environment.getExternalStorageDirectory() + "/" + split[1];
}
}
// DownloadsProvider
else if (UriUtils.isDownloadsDocument(uri)) {

final String id = DocumentsContract.getDocumentId(uri);
final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),
Long.valueOf(id));

return UriUtils.getDataColumn(context, contentUri, null, (String) null);
}
// MediaProvider
else if (UriUtils.isMediaDocument(uri)) {
final String docId = DocumentsContract.getDocumentId(uri);
final String[] split = docId.split(":");
final String type = split[0];

Uri contentUri = null;
if ("image".equals(type)) {
contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
} else if ("video".equals(type)) {
contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
} else if ("audio".equals(type)) {
contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
}

final String selection = "_id=?";
final String[] selectionArgs = new String[]{split[1]};

return UriUtils.getDataColumn(context, contentUri, selection, selectionArgs);
}
// Documents providers returned as content://...
else if (UriUtils.isContentDocument(uri)) {
return uri.toString();
}
}
// MediaStore (and general)
else if ("content".equalsIgnoreCase(uri.getScheme())) {

// Return the remote address
if (UriUtils.isGooglePhotosUri(uri)) {
return uri.getLastPathSegment();
}

return UriUtils.getDataColumn(context, uri, null, (String) null);
}
// File
else if ("file".equalsIgnoreCase(uri.getScheme())) {
return uri.getPath();
}
return null;
}


public static String getDisplayNameForUri(Uri uri, Context context) {

if (uri == null || context == null) {
throw new IllegalArgumentException("Received NULL!");
}

String displayName = null;
String displayName;

if (!ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
displayName = uri.getLastPathSegment(); // ready to return
Expand Down Expand Up @@ -258,15 +103,13 @@ private static String getDisplayNameFromContentResolver(Uri uri, Context context
displayNameColumn = MediaStore.Files.FileColumns.DISPLAY_NAME;
}

Cursor cursor = null;
try {
cursor = context.getContentResolver().query(
uri,
new String[]{displayNameColumn},
null,
null,
null
);
try (Cursor cursor = context.getContentResolver().query(
uri,
new String[]{displayNameColumn},
null,
null,
null
)) {
if (cursor != null) {
cursor.moveToFirst();
displayName = cursor.getString(cursor.getColumnIndex(displayNameColumn));
Expand All @@ -276,10 +119,6 @@ private static String getDisplayNameFromContentResolver(Uri uri, Context context
Log_OC.e(TAG, "Could not retrieve display name for " + uri.toString());
// nothing else, displayName keeps null

} finally {
if (cursor != null) {
cursor.close();
}
}
}
return displayName;
Expand Down