Changed GetOwner() to read owner from underlying nsJAR rather than saving it locally. SetOwner() now does nothing. bug=7270 r=norris

modules/libjar/nsJARChannel.cpp

@@ -473,7 +473,6 @@ nsJARChannel::GetContentType(char* *aContentType)
         char* fileName = new char[PL_strlen(mJAREntry)+1];
         PL_strcpy(fileName, mJAREntry);
 
-        //char* fileName = <get the relative part of the jar URL's file name>;
         if (fileName != nsnull) {
             PRInt32 len = nsCRT::strlen(fileName);
             const char* ext = nsnull;
@@ -554,27 +553,22 @@ nsJARChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
 
 NS_IMETHODIMP
 nsJARChannel::GetOwner(nsISupports* *aOwner)
-{
-    if (!mOwner)
 {
     nsCOMPtr<nsIPrincipal> principal;
     nsresult rv = mJAR->GetPrincipal(mJAREntry, getter_AddRefs(principal));
     if (NS_SUCCEEDED(rv) && principal)
-            mOwner = do_QueryInterface(principal);
+        rv = principal->QueryInterface(NS_GET_IID(nsISupports), (void **)aOwner);
     else
-            mOwner = null_nsCOMPtr();
-    }
+        *aOwner = nsnull;
 
-    *aOwner = mOwner.get();
-    NS_IF_ADDREF(*aOwner);
     return NS_OK;
 }
 
 NS_IMETHODIMP
 nsJARChannel::SetOwner(nsISupports* aOwner)
 {
-    mOwner = aOwner;
-    return NS_OK;
+    //XXX: is this OK?
+    return NS_ERROR_FAILURE;
 }
 
 NS_IMETHODIMP
@@ -652,7 +646,7 @@ nsJARChannel::Open(char* *contentType, PRInt32 *contentLength)
     if (NS_FAILED(rv)) return rv; 
 
     // If this fails, GetOwner will fail, but otherwise we can continue.
-	rv = mJAR->ParseManifest();
+	mJAR->ParseManifest();
 
     nsCOMPtr<nsIZipEntry> entry;
 	rv = mJAR->GetEntry(mJAREntry, getter_AddRefs(entry));

modules/libjar/nsJARChannel.h

@@ -91,7 +91,6 @@ protected:
 	nsCOMPtr<nsIInterfaceRequestor>     mCallbacks;
 	nsCOMPtr<nsIURI>                    mOriginalURI;
     nsLoadFlags                         mLoadAttributes;
-    nsCOMPtr<nsISupports>               mOwner;
 
     PRUint32                            mStartPosition;
     PRInt32                             mReadCount;

netwerk/protocol/jar/src/nsJARChannel.cpp

@@ -473,7 +473,6 @@ nsJARChannel::GetContentType(char* *aContentType)
         char* fileName = new char[PL_strlen(mJAREntry)+1];
         PL_strcpy(fileName, mJAREntry);
 
-        //char* fileName = <get the relative part of the jar URL's file name>;
         if (fileName != nsnull) {
             PRInt32 len = nsCRT::strlen(fileName);
             const char* ext = nsnull;
@@ -554,27 +553,22 @@ nsJARChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
 
 NS_IMETHODIMP
 nsJARChannel::GetOwner(nsISupports* *aOwner)
-{
-    if (!mOwner)
 {
     nsCOMPtr<nsIPrincipal> principal;
     nsresult rv = mJAR->GetPrincipal(mJAREntry, getter_AddRefs(principal));
     if (NS_SUCCEEDED(rv) && principal)
-            mOwner = do_QueryInterface(principal);
+        rv = principal->QueryInterface(NS_GET_IID(nsISupports), (void **)aOwner);
     else
-            mOwner = null_nsCOMPtr();
-    }
+        *aOwner = nsnull;
 
-    *aOwner = mOwner.get();
-    NS_IF_ADDREF(*aOwner);
     return NS_OK;
 }
 
 NS_IMETHODIMP
 nsJARChannel::SetOwner(nsISupports* aOwner)
 {
-    mOwner = aOwner;
-    return NS_OK;
+    //XXX: is this OK?
+    return NS_ERROR_FAILURE;
 }
 
 NS_IMETHODIMP
@@ -652,7 +646,7 @@ nsJARChannel::Open(char* *contentType, PRInt32 *contentLength)
     if (NS_FAILED(rv)) return rv; 
 
     // If this fails, GetOwner will fail, but otherwise we can continue.
-	rv = mJAR->ParseManifest();
+	mJAR->ParseManifest();
 
     nsCOMPtr<nsIZipEntry> entry;
 	rv = mJAR->GetEntry(mJAREntry, getter_AddRefs(entry));

netwerk/protocol/jar/src/nsJARChannel.h

@@ -91,7 +91,6 @@ protected:
 	nsCOMPtr<nsIInterfaceRequestor>     mCallbacks;
 	nsCOMPtr<nsIURI>                    mOriginalURI;
     nsLoadFlags                         mLoadAttributes;
-    nsCOMPtr<nsISupports>               mOwner;
 
     PRUint32                            mStartPosition;
     PRInt32                             mReadCount;