Restructure code to be less wonky.

src/main/java/com/threerings/getdown/data/Application.java

@@ -1274,13 +1274,15 @@ public class Application
      * @param alreadyValid if non-null a 1 element array that will have the number of "already
      * validated" resources filled in.
      * @param unpacked a set to populate with unpacked resources.
+     * @param toInstall a list into which to add resources that need to be installed.
+     * @param toDownload a list into which to add resources that need to be downloaded.
      */
-    public List<Resource> verifyResources (ProgressObserver obs, int[] alreadyValid,
-                                           Set<Resource> unpacked, List<Resource> toBeInstalled)
+    public void verifyResources (
+        ProgressObserver obs, int[] alreadyValid, Set<Resource> unpacked,
+        List<Resource> toInstall, List<Resource> toDownload)
         throws InterruptedException
     {
         List<Resource> rsrcs = getAllActiveResources();
-        List<Resource> failures = new ArrayList<Resource>();
 
         // obtain the sizes of the resources to validate
         long[] sizes = new long[rsrcs.size()];
@@ -1308,9 +1310,10 @@ public class Application
             try {
                 if (_digest.validateResource(rsrc, robs)) {
                     // if the resource is valid but has no _local file, add it to to-install list
-                    if (!toBeInstalled.contains(rsrc) && !rsrc.getLocal().exists() &&
+                    if (!toInstall.contains(rsrc) && !rsrc.getLocal().exists() &&
                         rsrc.getLocalNew().exists()) {
-                        toBeInstalled.add(rsrc);
+                        toInstall.add(rsrc);
+                        continue;
                     }
                     // unpack this resource if appropriate
                     if (noUnpack || !rsrc.shouldUnpack()) {
@@ -1333,10 +1336,8 @@ public class Application
             } finally {
                 robs.progress(100);
             }
-            failures.add(rsrc);
+            toDownload.add(rsrc);
         }
-
-        return (failures.size() == 0) ? null : failures;
     }
 
     /**

src/main/java/com/threerings/getdown/launcher/Getdown.java

@@ -133,7 +133,7 @@ public abstract class Getdown extends Thread
      */
     public boolean isUpdateAvailable ()
     {
-        return _readyToInstall && !_toBeInstalledResouces.isEmpty();
+        return _readyToInstall && !_toInstallResources.isEmpty();
     }
 
     /**
@@ -143,13 +143,13 @@ public abstract class Getdown extends Thread
     {
         if (_readyToInstall) {
             log.info("Installing downloaded resources:");
-            for (Resource resource : _toBeInstalledResouces) {
+            for (Resource resource : _toInstallResources) {
                 resource.install();
                 if (Thread.interrupted()) {
                     throw new InterruptedException("m.applet_stopped");
                 }
             }
-            _toBeInstalledResouces.clear();
+            _toInstallResources.clear();
             _readyToInstall = false;
             log.info("Install completed.");
         } else {
@@ -442,7 +442,7 @@ public abstract class Getdown extends Thread
             // we'll keep track of all the resources we unpack
             Set<Resource> unpacked = new HashSet<Resource>();
 
-            _toBeInstalledResouces = new ArrayList<Resource>();
+            _toInstallResources = new ArrayList<Resource>();
             _readyToInstall = false;
 
             //setStep(Step.START);
@@ -476,9 +476,10 @@ public abstract class Getdown extends Thread
                 // now verify our resources...
                 setStep(Step.VERIFY_RESOURCES);
                 setStatusAsync("m.validating", -1, -1L, false);
-                List<Resource> failures = _app.verifyResources(
-                    _progobs, alreadyValid, unpacked, _toBeInstalledResouces);
-                if (failures == null) {
+                List<Resource> toDownload = new ArrayList<Resource>();
+                _app.verifyResources(_progobs, alreadyValid, unpacked,
+                                     _toInstallResources, toDownload);
+                if (toDownload.size() == 0) {
                     log.info("Resources verified.");
 
                     // if we were downloaded in full from another service (say, Steam), we may
@@ -528,10 +529,10 @@ public abstract class Getdown extends Thread
                     return;
                 }
 
-                // we have failures, those will be redownloaded so we note them as to-be-installed
-                for (Resource r : failures) {
-                    if (!_toBeInstalledResouces.contains(r)) {
-                        _toBeInstalledResouces.add(r);
+                // we have resources to download, also note them as to-be-installed
+                for (Resource r : toDownload) {
+                    if (!_toInstallResources.contains(r)) {
+                        _toInstallResources.add(r);
                     }
                 }
 
@@ -542,10 +543,10 @@ public abstract class Getdown extends Thread
                     reportTrackingEvent("app_start", -1);
 
                     // redownload any that are corrupt or invalid...
-                    log.info(failures.size() + " of " + _app.getAllActiveResources().size() +
+                    log.info(toDownload.size() + " of " + _app.getAllActiveResources().size() +
                              " rsrcs require update (" + alreadyValid[0] + " assumed valid).");
                     setStep(Step.REDOWNLOAD_RESOURCES);
-                    download(failures);
+                    download(toDownload);
 
                     reportTrackingEvent("app_complete", -1);
 
@@ -1281,7 +1282,7 @@ public abstract class Getdown extends Thread
     protected boolean _launchInSilent;
     protected long _startup;
 
-    protected List<Resource> _toBeInstalledResouces;
+    protected List<Resource> _toInstallResources;
     protected boolean _readyToInstall;
 
     protected boolean _enableTracking = true;