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sanity check

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git-svn-id: https://public-transport-enabler.googlecode.com/svn/trunk@34 0924bc21-9374-b0fa-ee44-9ff1593b38f0
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andreas.schildbach 2010-07-28 18:05:41 +00:00
parent 8ea4f316bb
commit 2b76ff857a
1 changed files with 3 additions and 1 deletions
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4
src/de/schildbach/pte/NetworkProviderFactory.java
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@ -106,7 +106,9 @@ public final class NetworkProviderFactory
public static String networkId(final NetworkProvider provider)
{
if (provider instanceof VbbProvider)
if (provider == null)
throw new IllegalArgumentException("null provider");
else if (provider instanceof VbbProvider)
return VbbProvider.NETWORK_ID;
else if (provider instanceof RmvProvider)
return RmvProvider.NETWORK_ID;