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Support multiple plugins loaded from the same JAR

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Andrew Steinborn
2021-05-15 23:42:54 -04:00
parent 3579fa644b
commit a155f91dfd
4 changed files with 62 additions and 51 deletions
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43
annotation-processor/src/main/java/com/velocitypowered/annotationprocessor/ApiAnnotationProcessor.java
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@@ -28,6 +28,7 @@ import com.velocitypowered.api.plugin.Plugin;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Set;
@@ -56,9 +57,6 @@ import javax.tools.StandardLocation;
@SupportedAnnotationTypes({PLUGIN_ANNOTATION_CLASS, SUBSCRIBE_ANNOTATION_CLASS})
public class ApiAnnotationProcessor extends AbstractProcessor {
private @Nullable String pluginClassFound;
private boolean warnedAboutMultiplePlugins;
@Override
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latestSupported();
@@ -107,6 +105,7 @@ public class ApiAnnotationProcessor extends AbstractProcessor {
}
if (ProcessorUtils.contains(annotations, Plugin.class)) {
List<SerializedPluginDescription> found = new ArrayList<>();
for (Element element : roundEnv.getElementsAnnotatedWith(Plugin.class)) {
if (element.getKind() != ElementKind.CLASS) {
processingEnv.getMessager()
@@ -117,17 +116,6 @@ public class ApiAnnotationProcessor extends AbstractProcessor {
Name qualifiedName = ((TypeElement) element).getQualifiedName();
if (Objects.equals(pluginClassFound, qualifiedName.toString())) {
if (!warnedAboutMultiplePlugins) {
processingEnv.getMessager()
.printMessage(Diagnostic.Kind.WARNING,
"Velocity does not yet currently support multiple plugins. "
+ "We are using " + pluginClassFound + " for your plugin's main class.");
warnedAboutMultiplePlugins = true;
}
return false;
}
Plugin plugin = element.getAnnotation(Plugin.class);
if (!SerializedPluginDescription.ID_PATTERN.matcher(plugin.id()).matches()) {
processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR,
@@ -137,22 +125,23 @@ public class ApiAnnotationProcessor extends AbstractProcessor {
return false;
}
// All good, generate the velocity-plugin.json.
// All good, generate the velocity-plugin-info.json.
SerializedPluginDescription description = SerializedPluginDescription
.from(plugin, qualifiedName.toString());
try {
FileObject object = processingEnv.getFiler()
.createResource(StandardLocation.CLASS_OUTPUT, "", "velocity-plugin.json");
try (Writer writer = new BufferedWriter(object.openWriter())) {
new Gson().toJson(description, writer);
}
processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE,
"Wrote velocity-plugin.json to " + object.toUri().toString());
pluginClassFound = qualifiedName.toString();
} catch (IOException e) {
processingEnv.getMessager()
.printMessage(Diagnostic.Kind.ERROR, "Unable to generate plugin file");
found.add(description);
}
try {
FileObject object = processingEnv.getFiler()
.createResource(StandardLocation.CLASS_OUTPUT, "", "velocity-plugin-info.json");
try (Writer writer = new BufferedWriter(object.openWriter())) {
new Gson().toJson(found, writer);
}
processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE,
"Wrote velocity-plugin-info.json to " + object.toUri().toString());
} catch (IOException e) {
processingEnv.getMessager()
.printMessage(Diagnostic.Kind.ERROR, "Unable to generate plugin file");
}
}