diff options
Diffstat (limited to 'core/java/android/net')
| -rw-r--r-- | core/java/android/net/LinkProperties.java | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java index 2dcc544..0a09fcb 100644 --- a/core/java/android/net/LinkProperties.java +++ b/core/java/android/net/LinkProperties.java @@ -642,6 +642,35 @@ public class LinkProperties implements Parcelable { return result; } + /** + * Compares all interface names in this LinkProperties with another + * LinkProperties, examining both the the base link and all stacked links. + * + * @param target a LinkProperties with the new list of interface names + * @return the differences between the interface names. + * @hide + */ + public CompareResult<String> compareAllInterfaceNames(LinkProperties target) { + /* + * Duplicate the interface names into removed, we will be removing + * interface names which are common between this and target + * leaving the interface names that are different. And interface names which + * are in target but not in this are placed in added. + */ + CompareResult<String> result = new CompareResult<String>(); + + result.removed = getAllInterfaceNames(); + result.added.clear(); + if (target != null) { + for (String r : target.getAllInterfaceNames()) { + if (! result.removed.remove(r)) { + result.added.add(r); + } + } + } + return result; + } + @Override /** |