| | |
|---|
| | | }
|
|---|
| | | return sb.toString();
|
|---|
| | | }
|
|---|
| | |
|
|---|
| | | /**
|
|---|
| | | * Recursively traverses a folder and its subfolders to calculate the total
|
|---|
| | | * size in bytes.
|
|---|
| | | * |
|---|
| | | * @param directory
|
|---|
| | | * @return folder size in bytes
|
|---|
| | | */
|
|---|
| | | public static long folderSize(File directory) {
|
|---|
| | | if (directory == null || !directory.exists()) {
|
|---|
| | | return -1;
|
|---|
| | | }
|
|---|
| | | if (directory.isFile()) {
|
|---|
| | | return directory.length();
|
|---|
| | | }
|
|---|
| | | long length = 0;
|
|---|
| | | for (File file : directory.listFiles()) {
|
|---|
| | | if (file.isFile()) {
|
|---|
| | | length += file.length();
|
|---|
| | | } else {
|
|---|
| | | length += folderSize(file);
|
|---|
| | | }
|
|---|
| | | }
|
|---|
| | | return length;
|
|---|
| | | }
|
|---|
| | | }
|
|---|
