Make the tracker packages optional to handle when they are missing

• Make the tracker packages optional to handle when they are missing

When loading some of the older releases in testing, there would be missing packages which skewed the tests. This change will allow those entries to properly load as best as possible.

src/main/java/org/eclipsefoundation/downloads/models/ReleaseVersionPackages.java

@@ -56,30 +56,39 @@ public abstract class ReleaseVersionPackages {
     @AutoValue
     @JsonDeserialize(builder = AutoValue_ReleaseVersionPackages_ReleaseTrackerPackages.Builder.class)
     public abstract static class ReleaseTrackerPackages {
+        @Nullable
         @JsonProperty("java-package")
         public abstract ReleaseTrackerPackage getJavaPackage();
 
+        @Nullable
         @JsonProperty("jee-package")
         public abstract ReleaseTrackerPackage getJEEPackage();
 
+        @Nullable
         @JsonProperty("cpp-package")
         public abstract ReleaseTrackerPackage getCPPPackage();
 
+        @Nullable
         @JsonProperty("committers-package")
         public abstract ReleaseTrackerPackage getCommittersPackage();
 
+        @Nullable
         @JsonProperty("php-package")
         public abstract ReleaseTrackerPackage getPHPPackage();
 
+        @Nullable
         @JsonProperty("dsl-package")
         public abstract ReleaseTrackerPackage getDSLPackage();
 
+        @Nullable
         @JsonProperty("embedcpp-package")
         public abstract ReleaseTrackerPackage getEmbeddedCPPPackage();
 
+        @Nullable
         @JsonProperty("modeling-package")
         public abstract ReleaseTrackerPackage getModelingPackage();
 
+        @Nullable
         @JsonProperty("rcp-package")
         public abstract ReleaseTrackerPackage getRCPPackage();
 
@@ -88,6 +97,7 @@ public abstract class ReleaseVersionPackages {
         @JsonProperty("parallel-package")
         public abstract ReleaseTrackerPackage getParallelPackage();
 
+        @Nullable
         @JsonProperty("scout-package")
         public abstract ReleaseTrackerPackage getScoutPackage();
 
@@ -99,37 +109,37 @@ public abstract class ReleaseVersionPackages {
         @JsonPOJOBuilder(withPrefix = "set")
         public abstract static class Builder {
             @JsonProperty("java-package")
-            public abstract Builder setJavaPackage(ReleaseTrackerPackage javaPackage);
+            public abstract Builder setJavaPackage(@Nullable ReleaseTrackerPackage javaPackage);
 
             @JsonProperty("jee-package")
-            public abstract Builder setJEEPackage(ReleaseTrackerPackage jeePackage);
+            public abstract Builder setJEEPackage(@Nullable ReleaseTrackerPackage jeePackage);
 
             @JsonProperty("cpp-package")
-            public abstract Builder setCPPPackage(ReleaseTrackerPackage cppPackage);
+            public abstract Builder setCPPPackage(@Nullable ReleaseTrackerPackage cppPackage);
 
             @JsonProperty("committers-package")
-            public abstract Builder setCommittersPackage(ReleaseTrackerPackage committersPackage);
+            public abstract Builder setCommittersPackage(@Nullable ReleaseTrackerPackage committersPackage);
 
             @JsonProperty("php-package")
-            public abstract Builder setPHPPackage(ReleaseTrackerPackage phpPackage);
+            public abstract Builder setPHPPackage(@Nullable ReleaseTrackerPackage phpPackage);
 
             @JsonProperty("dsl-package")
-            public abstract Builder setDSLPackage(ReleaseTrackerPackage dslPackage);
+            public abstract Builder setDSLPackage(@Nullable ReleaseTrackerPackage dslPackage);
 
             @JsonProperty("embedcpp-package")
-            public abstract Builder setEmbeddedCPPPackage(ReleaseTrackerPackage embeddedCPPPackage);
+            public abstract Builder setEmbeddedCPPPackage(@Nullable ReleaseTrackerPackage embeddedCPPPackage);
 
             @JsonProperty("modeling-package")
-            public abstract Builder setModelingPackage(ReleaseTrackerPackage modelingPackage);
+            public abstract Builder setModelingPackage(@Nullable ReleaseTrackerPackage modelingPackage);
 
             @JsonProperty("rcp-package")
-            public abstract Builder setRCPPackage(ReleaseTrackerPackage rcpPackage);
+            public abstract Builder setRCPPackage(@Nullable ReleaseTrackerPackage rcpPackage);
 
             @JsonProperty("parallel-package")
             public abstract Builder setParallelPackage(@Nullable ReleaseTrackerPackage parallelPackage);
 
             @JsonProperty("scout-package")
-            public abstract Builder setScoutPackage(ReleaseTrackerPackage scoutPackage);
+            public abstract Builder setScoutPackage(@Nullable ReleaseTrackerPackage scoutPackage);
 
             public abstract ReleaseTrackerPackages build();
         }