diff options
| -rw-r--r-- | java/gov/nist/javax/sip/header/SIPHeaderList.java | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/java/gov/nist/javax/sip/header/SIPHeaderList.java b/java/gov/nist/javax/sip/header/SIPHeaderList.java index d11506a..f248303 100644 --- a/java/gov/nist/javax/sip/header/SIPHeaderList.java +++ b/java/gov/nist/javax/sip/header/SIPHeaderList.java @@ -208,7 +208,7 @@ public abstract class SIPHeaderList<HDR extends SIPHeader> extends SIPHeader imp * * @return SIPHeader first element of the list. */ - public Header getFirst() { + public HDR getFirst() { if (hlist == null || hlist.isEmpty()) return null; else @@ -220,7 +220,7 @@ public abstract class SIPHeaderList<HDR extends SIPHeader> extends SIPHeader imp * * @return SIPHeader last element of the list. */ - public Header getLast() { + public HDR getLast() { if (hlist == null || hlist.isEmpty()) return null; return hlist.get(hlist.size() - 1); @@ -277,18 +277,21 @@ public abstract class SIPHeaderList<HDR extends SIPHeader> extends SIPHeader imp /** * Remove the first element of this list. */ - public void removeFirst() { - if (hlist.size() != 0) - hlist.remove(0); - + public HDR removeFirst() { + if (hlist.size() != 0) { + return hlist.remove(0); + } + return null; } /** * Remove the last element of this list. */ - public void removeLast() { - if (hlist.size() != 0) - hlist.remove(hlist.size() - 1); + public HDR removeLast() { + if (hlist.size() != 0) { + return hlist.remove(hlist.size() - 1); + } + return null; } /** |