Add filtering

src/main/kotlin/org/incendo/cloudbuildlogic/GenerateJavadocLinksFile.kt

@@ -14,6 +14,7 @@ import org.gradle.api.provider.SetProperty
 import org.gradle.api.tasks.Input
 import org.gradle.api.tasks.InputFiles
 import org.gradle.api.tasks.Internal
+import org.gradle.api.tasks.Nested
 import org.gradle.api.tasks.Optional
 import org.gradle.api.tasks.OutputFile
 import org.gradle.api.tasks.TaskAction
@@ -39,6 +40,9 @@ abstract class GenerateJavadocLinksFile : DefaultTask() {
     @get:Input
     abstract val defaultJavadocProvider: Property<String>
 
+    @get:Nested
+    abstract val filter: Property<JavadocLinksExtension.DependencyFilter>
+
     fun apiElements(configuration: NamedDomainObjectProvider<Configuration>) {
         apiElements.set(configuration.map { it.incoming.artifacts })
         apiElementsFiles.setFrom(configuration)
@@ -52,6 +56,9 @@ abstract class GenerateJavadocLinksFile : DefaultTask() {
         val output = StringBuilder()
         for (resolvedArtifactResult in apiElements.sorted()) {
             val id = resolvedArtifactResult.componentIdentifier() ?: continue
+            if (!filter.get().test(id)) {
+                continue
+            }
 
             output.append("-link ")
             val coordinates = coordinates(id)

src/main/kotlin/org/incendo/cloudbuildlogic/JavadocLinksExtension.kt

@@ -1,18 +1,49 @@
 package org.incendo.cloudbuildlogic
 
 import org.gradle.api.artifacts.ModuleDependency
+import org.gradle.api.artifacts.component.ModuleComponentIdentifier
+import org.gradle.api.provider.ListProperty
 import org.gradle.api.provider.MapProperty
+import org.gradle.api.provider.Property
 import org.gradle.api.provider.Provider
+import java.util.function.Predicate
 
 abstract class JavadocLinksExtension {
     abstract val overrides: MapProperty<String, String>
+    abstract val skip: ListProperty<String>
+    abstract val filter: Property<DependencyFilter>
+
+    init {
+        init()
+    }
+
+    private fun init() {
+        filter.convention(DependencyFilter.NoSnapshots())
+    }
 
     fun override(dep: ModuleDependency, link: String) {
-        val key = dep.group + ':' + dep.name + (dep.version?.let { ":$it" } ?: "")
-        overrides.put(key, link)
+        overrides.put(key(dep), link)
     }
 
     fun override(dep: Provider<out ModuleDependency>, link: String) {
         override(dep.get(), link)
     }
+
+    fun exclude(dep: ModuleDependency) {
+        skip.add(key(dep))
+    }
+
+    fun exclude(dep: Provider<out ModuleDependency>) {
+        exclude(dep.get())
+    }
+
+    private fun key(dep: ModuleDependency) = dep.group + ':' + dep.name + (dep.version?.let { ":$it" } ?: "")
+
+    fun interface DependencyFilter : Predicate<ModuleComponentIdentifier> {
+        class NoSnapshots : DependencyFilter {
+            override fun test(t: ModuleComponentIdentifier): Boolean {
+                return !t.version.endsWith("-SNAPSHOT")
+            }
+        }
+    }
 }

src/main/kotlin/org/incendo/cloudbuildlogic/JavadocLinksPlugin.kt

@@ -30,6 +30,7 @@ abstract class JavadocLinksPlugin : Plugin<Project> {
                     linksFile.convention(target.layout.buildDirectory.file(name))
                     overrides.convention(ext.overrides)
                     defaultJavadocProvider.convention("https://javadoc.io/doc/{group}/{name}/{version}")
+                    filter.convention(ext.filter)
                     apiElements(apiElementsCopy)
                 }