make some methods const (issue #121)

2 files changed, 4 insertions, 4 deletions

diff --git a/src/QXmppStanza.cpp b/src/QXmppStanza.cpp
index bec4eee3..e8937b6f 100644
--- a/src/QXmppStanza.cpp
+++ b/src/QXmppStanza.cpp
@@ -233,7 +233,7 @@ void QXmppStanza::Error::setConditionFromStr(const QString& type)
         setCondition(static_cast<QXmppStanza::Error::Condition>(-1));
 }
 
-bool QXmppStanza::Error::isValid()
+bool QXmppStanza::Error::isValid() const
 {
     return !(getTypeStr().isEmpty() && getConditionStr().isEmpty());
 }
@@ -417,7 +417,7 @@ void QXmppStanza::generateAndSetNextId()
     m_id = "qxmpp" + QString::number(s_uniqeIdNo);
 }
 
-bool QXmppStanza::isErrorStanza()
+bool QXmppStanza::isErrorStanza() const
 {
     return m_error.isValid();
 }
diff --git a/src/QXmppStanza.h b/src/QXmppStanza.h
index 6a940ce4..dc1c1346 100644
--- a/src/QXmppStanza.h
+++ b/src/QXmppStanza.h
@@ -99,7 +99,7 @@ public:
         Type type() const;
 
         // FIXME : remove this once is gone
-        bool isValid();
+        bool isValid() const;
 
         /// \cond
         void parse(const QDomElement &element);
@@ -142,7 +142,7 @@ public:
 
     /// \cond
     // FIXME : why is this needed?
-    bool isErrorStanza();
+    bool isErrorStanza() const;
 
 protected:
     void generateAndSetNextId();