Add ExamplePlugin with metrics and error tracking

settings.gradle.kts

@@ -13,4 +13,5 @@ include("minestom")
 include("nukkit")
 include("sponge")
 include("sponge:example-plugin")
-include("velocity")
+include("velocity")
+include("velocity:example-plugin")

velocity/example-plugin/build.gradle.kts

@@ -0,0 +1,14 @@
+repositories {
+    maven("https://repo.papermc.io/repository/maven-public/")
+}
+
+dependencies {
+    compileOnly("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+    annotationProcessor("com.velocitypowered:velocity-api:3.4.0-SNAPSHOT")
+    implementation(project(":velocity"))
+}
+
+tasks.shadowJar {
+    // optionally relocate faststats
+    relocate("dev.faststats", "com.example.utils.faststats")
+}

velocity/example-plugin/src/main/java/com/example/ExamplePlugin.java

@@ -0,0 +1,71 @@
+package com.example;
+
+import com.google.inject.Inject;
+import com.velocitypowered.api.event.Subscribe;
+import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
+import com.velocitypowered.api.event.proxy.ProxyShutdownEvent;
+import com.velocitypowered.api.plugin.Plugin;
+import dev.faststats.core.ErrorTracker;
+import dev.faststats.core.Metrics;
+import dev.faststats.core.chart.Chart;
+import dev.faststats.velocity.VelocityMetrics;
+import org.jspecify.annotations.Nullable;
+
+import java.net.URI;
+
+
+@Plugin(id = "example", name = "Example Plugin", version = "1.0.0",
+        url = "https://example.com", authors = {"Your Name"})
+public class ExamplePlugin {
+    // context-aware error tracker, automatically tracks errors in the same class loader
+    public static final ErrorTracker ERROR_TRACKER = ErrorTracker.contextAware();
+
+    // context-unaware error tracker, does not automatically track errors
+    public static final ErrorTracker CONTEXT_UNAWARE_ERROR_TRACKER = ErrorTracker.contextUnaware();
+
+    private final VelocityMetrics.Factory metricsFactory;
+    private @Nullable Metrics metrics = null;
+
+    @Inject
+    public ExamplePlugin(VelocityMetrics.Factory factory) {
+        this.metricsFactory = factory;
+    }
+
+    @Subscribe
+    public void onProxyInitialize(ProxyInitializeEvent event) {
+        this.metrics = metricsFactory
+                .url(URI.create("https://metrics.example.com/v1/collect")) // For self-hosted metrics servers only
+
+                // Custom example charts
+                // For this to work you have to create a corresponding data source in your project settings first
+                .addChart(Chart.number("example_chart", () -> 42))
+                .addChart(Chart.string("example_string", () -> "Hello, World!"))
+                .addChart(Chart.bool("example_boolean", () -> true))
+                .addChart(Chart.stringArray("example_string_array", () -> new String[]{"Option 1", "Option 2"}))
+                .addChart(Chart.numberArray("example_number_array", () -> new Number[]{1, 2, 3}))
+                .addChart(Chart.booleanArray("example_boolean_array", () -> new Boolean[]{true, false}))
+
+                // Attach an error tracker
+                // This must be enabled in the project settings
+                .errorTracker(ERROR_TRACKER)
+
+                .debug(true) // Enable debug mode for development and testing
+
+                .token("YOUR_TOKEN_HERE") // required -> token can be found in the settings of your project
+                .create(this);
+    }
+
+    @Subscribe
+    public void onProxyStop(ProxyShutdownEvent event) {
+        if (metrics != null) metrics.shutdown();
+    }
+
+    public void doSomethingWrong() {
+        try {
+            // Do something that might throw an error
+            throw new RuntimeException("Something went wrong!");
+        } catch (Exception e) {
+            CONTEXT_UNAWARE_ERROR_TRACKER.trackError(e);
+        }
+    }
+}