Add a basic vendor deps dependency mechanism

build.gradle

@@ -12,7 +12,7 @@ targetCompatibility = 11
 
 allprojects {
     group = "edu.wpi.first"
-    version = "2024.1.0"
+    version = "2024.2.0"
 
     if (project.hasProperty('publishVersion')) {
         version = project.publishVersion

src/main/java/edu/wpi/first/nativeutils/vendordeps/ConflictingVendorDependencyException.java

@@ -0,0 +1,8 @@
+package edu.wpi.first.nativeutils.vendordeps;
+
+public class ConflictingVendorDependencyException extends RuntimeException {
+    public ConflictingVendorDependencyException(String requestingUuid, String requiredUuid, String errorMessage) {
+        super("Conflicting Vendor Dependency " + requiredUuid + " for uuid " + requestingUuid + ". Reason: "
+                + errorMessage);
+    }
+}

src/main/java/edu/wpi/first/nativeutils/vendordeps/MissingRequiredVendorDependencyException.java

@@ -0,0 +1,8 @@
+package edu.wpi.first.nativeutils.vendordeps;
+
+public class MissingRequiredVendorDependencyException extends RuntimeException {
+    public MissingRequiredVendorDependencyException(String requestingUuid, String requiredUuid, String errorMessage) {
+        super("Missing Vendor Dependency " + requiredUuid + " for uuid " + requestingUuid + ". Reason: "
+                + errorMessage);
+    }
+}

src/main/java/edu/wpi/first/nativeutils/vendordeps/WPIVendorDepsExtension.java

@@ -116,6 +116,29 @@ public void loadAll() {
         loadFrom(vendorFolder(project));
     }
 
+    public void validateDependencies() {
+        for (NamedJsonDependency jsonDep : dependencySet) {
+            VendorDependency[] requiredDependencies = jsonDep.dependency.requires;
+            if (requiredDependencies != null) {
+                for (VendorDependency requiredDep : requiredDependencies) {
+                    if (dependencySet.findByName(requiredDep.uuid) == null) {
+                        throw new ConflictingVendorDependencyException(jsonDep.name, requiredDep.uuid,
+                                requiredDep.errorMessage);
+                    }
+                }
+            }
+            VendorDependency[] conflictsWithDependencies = jsonDep.dependency.conflictsWith;
+            if (conflictsWithDependencies != null) {
+                for (VendorDependency conflictsWithDep : conflictsWithDependencies) {
+                    if (dependencySet.findByName(conflictsWithDep.uuid) != null) {
+                        throw new ConflictingVendorDependencyException(jsonDep.name, conflictsWithDep.uuid,
+                                conflictsWithDep.errorMessage);
+                    }
+                }
+            }
+        }
+    }
+
     public void loadFrom(File directory) {
         for (File f : vendorFiles(directory)) {
             JsonDependency dep = parse(f);
@@ -255,10 +278,19 @@ public boolean useInRio() {
         public boolean sharedLibrary;
     }
 
+    public static class VendorDependency {
+        public String uuid;
+        public String errorMessage;
+        public String offlineFileName;
+        public String onlineUrl;
+    }
+
     public static class JsonDependency {
         public String name;
         public String version;
         public String uuid;
+        public VendorDependency[] requires;
+        public VendorDependency[] conflictsWith;
         public String[] mavenUrls;
         public String[] extraGroupIds;
         public String jsonUrl;

testing/cpp/build.gradle

@@ -2,7 +2,7 @@ import edu.wpi.first.toolchain.NativePlatforms
 
 plugins {
     id "cpp"
-    id "edu.wpi.first.NativeUtils" version "2024.0.1"
+    id "edu.wpi.first.NativeUtils" version "2024.1.0"
 }
 
 nativeUtils.addWpiNativeUtils()