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Diffstat (limited to 'src/main/java/eu/siacs/conversations/utils/FileUtils.java')
-rw-r--r--src/main/java/eu/siacs/conversations/utils/FileUtils.java49
1 files changed, 42 insertions, 7 deletions
diff --git a/src/main/java/eu/siacs/conversations/utils/FileUtils.java b/src/main/java/eu/siacs/conversations/utils/FileUtils.java
index 6e75d41c..7783bcc9 100644
--- a/src/main/java/eu/siacs/conversations/utils/FileUtils.java
+++ b/src/main/java/eu/siacs/conversations/utils/FileUtils.java
@@ -1,6 +1,7 @@
package eu.siacs.conversations.utils;
import android.annotation.SuppressLint;
+import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
@@ -12,25 +13,26 @@ import android.provider.MediaStore;
import java.io.File;
-public class FileUtils {
+import de.thedevstack.conversationsplus.ConversationsPlusApplication;
+
+public final class FileUtils {
/**
* Get a file path from a Uri. This will get the the path for Storage Access
* Framework Documents, as well as the _data field for the MediaStore and
* other file-based ContentProviders.
*
- * @param context The context.
* @param uri The Uri to query.
* @author paulburke
*/
@SuppressLint("NewApi")
- public static String getPath(final Context context, final Uri uri) {
+ public static String getPath(final Uri uri) {
if (uri == null) {
return null;
}
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
-
+ final Context context = ConversationsPlusApplication.getAppContext();
// DocumentProvider
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
// ExternalStorageProvider
@@ -78,7 +80,7 @@ public class FileUtils {
}
}
// MediaStore (and general)
- else if ("content".equalsIgnoreCase(uri.getScheme())) {
+ else if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) {
String path = getDataColumn(context, uri, null, null);
if (path != null) {
File file = new File(path);
@@ -89,7 +91,7 @@ public class FileUtils {
return path;
}
// File
- else if ("file".equalsIgnoreCase(uri.getScheme())) {
+ else if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())) {
return uri.getPath();
}
@@ -106,7 +108,7 @@ public class FileUtils {
* @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,
+ private static String getDataColumn(Context context, Uri uri, String selection,
String[] selectionArgs) {
Cursor cursor = null;
@@ -155,4 +157,37 @@ public class FileUtils {
public static boolean isMediaDocument(Uri uri) {
return "com.android.providers.media.documents".equals(uri.getAuthority());
}
+
+ /**
+ * @param filename The filename to extract extension from
+ * @return last extension or empty string
+ */
+ public static String getLastExtension(final String filename) {
+ if (filename == null || filename.isEmpty()) {
+ return "";
+ }
+ final int lastDotPosition = filename.lastIndexOf('.');
+ final String lastPart = lastDotPosition != -1 ?
+ filename.substring(lastDotPosition + 1) : "";
+ return lastPart;
+ }
+
+ /**
+ * @param filename The filename to extract extension from
+ * @return second to last extension or empty string
+ */
+ public static String getSecondToLastExtension(final String filename) {
+ if (filename == null || filename.isEmpty()) {
+ return "";
+ }
+ final int lastDotPosition = filename.lastIndexOf('.');
+ final int secondToLastDotPosition = filename.lastIndexOf('.', lastDotPosition - 1);
+ final String secondToLastPart = secondToLastDotPosition != -1 ?
+ filename.substring(secondToLastDotPosition + 1, lastDotPosition) : "";
+ return secondToLastPart;
+ }
+
+ private FileUtils() {
+ // Utility class - do not instantiate
+ }
}