Crash when url is not a uri

[pivotal-jonathan-yeap]

06-17 21:12:05.452: E/AndroidRuntime(22913): FATAL EXCEPTION: pool-3-thread-2
06-17 21:12:05.452: E/AndroidRuntime(22913): java.lang.IllegalArgumentException: Host name may not be null
06-17 21:12:05.452: E/AndroidRuntime(22913): at org.apache.http.HttpHost.(HttpHost.java:83)
06-17 21:12:05.452: E/AndroidRuntime(22913): at org.apache.http.impl.client.AbstractHttpClient.determineTarget(AbstractHttpClient.java:497)
06-17 21:12:05.452: E/AndroidRuntime(22913): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
06-17 21:12:05.452: E/AndroidRuntime(22913): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
06-17 21:12:05.452: E/AndroidRuntime(22913): at com.xtremelabs.imageutils.DefaultNetworkRequestCreator.getInputStream(DefaultNetworkRequestCreator.java:57)
06-17 21:12:05.452: E/AndroidRuntime(22913): at com.xtremelabs.imageutils.ImageDownloader$ImageDownloadingRunnable.execute(ImageDownloader.java:61)
06-17 21:12:05.452: E/AndroidRuntime(22913): at com.xtremelabs.imageutils.Prioritizable.run(Prioritizable.java:32)
06-17 21:12:05.452: E/AndroidRuntime(22913): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
06-17 21:12:05.452: E/AndroidRuntime(22913): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
06-17 21:12:05.452: E/AndroidRuntime(22913): at java.lang.Thread.run(Thread.java:856)