nsresult
nsAboutCacheEntry::GetContentStream(nsIURI *uri, nsIInputStream **result)
{
nsCOMPtr<nsIStorageStream> storageStream;
nsCOMPtr<nsIOutputStream> outputStream;
PRUint32 n;
nsCString buffer;
nsresult rv;
nsCOMPtr<nsICacheEntryDescriptor> descriptor;
OpenCacheEntry(uri, getter_AddRefs(descriptor));
// Init: (block size, maximum length)
rv = NS_NewStorageStream(256, PRUint32(-1), getter_AddRefs(storageStream));
if (NS_FAILED(rv)) return rv;
rv = storageStream->GetOutputStream(0, getter_AddRefs(outputStream));
if (NS_FAILED(rv)) return rv;
buffer.AssignLiteral(
"<!DOCTYPE html>\n"
"<html>\n"
"<head>\n"
" <title>Cache entry information</title>\n"
" <link rel=\"stylesheet\" "
"href=\"chrome://global/skin/about.css\" type=\"text/css\"/>\n"
" <link rel=\"stylesheet\" "
"href=\"chrome://global/skin/aboutCacheEntry.css\" type=\"text/css\"/>\n"
"</head>\n"
"<body>\n"
"<h1>Cache entry information</h1>\n");
outputStream->Write(buffer.get(), buffer.Length(), &n);
if (descriptor)
rv = WriteCacheEntryDescription(outputStream, descriptor);
else
rv = WriteCacheEntryUnavailable(outputStream);
if (NS_FAILED(rv)) return rv;
buffer.AssignLiteral("</body>\n</html>\n");
outputStream->Write(buffer.get(), buffer.Length(), &n);
nsCOMPtr<nsIInputStream> inStr;
PRUint32 size;
rv = storageStream->GetLength(&size);
if (NS_FAILED(rv)) return rv;
return storageStream->NewInputStream(0, result);
}
NS_IMETHODIMP
nsAboutCacheEntry::OnCacheEntryAvailable(nsICacheEntryDescriptor *entry,
nsCacheAccessMode access,
nsresult status)
{
nsresult rv;
if (entry)
rv = WriteCacheEntryDescription(entry);
else
rv = WriteCacheEntryUnavailable();
if (NS_FAILED(rv)) return rv;
PRUint32 n;
NS_NAMED_LITERAL_CSTRING(buffer, "</body>\n</html>\n");
mOutputStream->Write(buffer.get(), buffer.Length(), &n);
mOutputStream->Close();
mOutputStream = nullptr;
return NS_OK;
}
