Let's not break everyone with paged list yet

azure-client-runtime/src/main/java/com/microsoft/azure/PagedList.java

@@ -7,6 +7,9 @@
 
 package com.microsoft.azure;
 
+import com.microsoft.rest.RestException;
+
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Iterator;
@@ -51,13 +54,17 @@ public PagedList(Page<E> page) {
     }
 
     private void cachePage(String nextPageLink) {
-        while (nextPageLink != null) {
-            cachedPage = nextPage(nextPageLink);
-            nextPageLink = cachedPage.getNextPageLink();
-            if (hasNextPage()) {
-                // a legit, non-empty page has been fetched, otherwise keep fetching
-                break;
+        try {
+            while (nextPageLink != null) {
+                cachedPage = nextPage(nextPageLink);
+                nextPageLink = cachedPage.getNextPageLink();
+                if (hasNextPage()) {
+                    // a legit, non-empty page has been fetched, otherwise keep fetching
+                    break;
+                }
             }
+        } catch (IOException ex) {
+            throw new RuntimeException(ex);
         }
     }
 
@@ -66,8 +73,10 @@ private void cachePage(String nextPageLink) {
      *
      * @param nextPageLink the link to get the next page of items.
      * @return the {@link Page} object storing a page of items and a link to the next page.
+     * @throws RestException thrown if an error is raised from Azure.
+     * @throws IOException thrown if there's any failure in deserialization.
      */
-    public abstract Page<E> nextPage(String nextPageLink);
+    public abstract Page<E> nextPage(String nextPageLink) throws RestException, IOException;
 
     /**
      * If there are more pages available.