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Fix possible NPE in FileUtils.

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Change-Id: I503f91e266c71e2370a5807d171e2254c334f7cb
This commit is contained in:
Keisuke Kuroyanagi 2013-12-27 14:58:38 +09:00
parent 6bca9ac43d
commit 86da47e8d7
1 changed files with 8 additions and 2 deletions
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java/src/com/android/inputmethod/latin/utils/FileUtils.java
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@ -25,8 +25,11 @@ import java.io.FilenameFilter;
public class FileUtils { public class FileUtils {
public static boolean deleteRecursively(final File path) { public static boolean deleteRecursively(final File path) {
if (path.isDirectory()) { if (path.isDirectory()) {
for (final File child : path.listFiles()) { final File[] files = path.listFiles();
deleteRecursively(child); if (files != null) {
for (final File child : files) {
deleteRecursively(child);
}
} }
} }
return path.delete(); return path.delete();
@ -37,6 +40,9 @@ public class FileUtils {
return false; return false;
} }
final File[] files = dir.listFiles(fileNameFilter); final File[] files = dir.listFiles(fileNameFilter);
if (files == null) {
return false;
}
boolean hasDeletedAllFiles = true; boolean hasDeletedAllFiles = true;
for (final File file : files) { for (final File file : files) {
if (!deleteRecursively(file)) { if (!deleteRecursively(file)) {