Writes a file to signal the generator's presence (#254)

* write marker file

* write all processors into a file

* dedup txt

* properly dedup

* Update pom.xml

* Format only changes

Author: SentryMan

blackbox-test/pom.xml

@@ -39,18 +39,25 @@
     <dependency>
       <groupId>io.avaje</groupId>
       <artifactId>avaje-inject</artifactId>
-      <version>9.12</version>
+      <version>10.0-RC9</version>
       <scope>provided</scope>
       <optional>true</optional>
     </dependency>
 
+
     <dependency>
       <groupId>io.avaje</groupId>
       <artifactId>avaje-jsonb-generator</artifactId>
       <version>2.0-RC3</version>
       <scope>provided</scope>
     </dependency>
-
+    <dependency>
+      <groupId>io.avaje</groupId>
+      <artifactId>avaje-inject-generator</artifactId>
+      <version>10.0-RC9</version>
+      <scope>provided</scope>
+      <optional>true</optional>
+    </dependency>
     <!-- test dependencies -->
 
     <dependency>

jsonb-generator/pom.xml

@@ -11,7 +11,7 @@
   <name>jsonb generator</name>
   <description>annotation processor generating source code json adapters for avaje-jsonb</description>
   <properties>
-    <avaje.prisms.version>1.27</avaje.prisms.version>
+    <avaje.prisms.version>1.28</avaje.prisms.version>
   </properties>
 
   <dependencies>

jsonb-generator/src/main/java/io/avaje/jsonb/generator/JsonbProcessor.java

@@ -16,7 +16,11 @@
 import io.avaje.prism.GenerateAPContext;
 import io.avaje.prism.GenerateModuleInfoReader;
 
+import static java.util.stream.Collectors.joining;
+
 import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardOpenOption;
 import java.util.*;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
@@ -53,6 +57,22 @@ public synchronized void init(ProcessingEnvironment processingEnv) {
     super.init(processingEnv);
     ProcessingContext.init(processingEnv);
     this.componentWriter = new SimpleComponentWriter(metaData);
+    // write a note in target so that other apts can know inject is running
+    try {
+      var file = APContext.getBuildResource("avaje-processors.txt");
+      var addition = new StringBuilder();
+      if (file.toFile().exists()) {
+        var result = Stream.concat(Files.lines(file), Stream.of("avaje-jsonb-generator"))
+          .distinct()
+          .collect(joining("\n"));
+        addition.append(result);
+      } else {
+        addition.append("avaje-jsonb-generator");
+      }
+      Files.writeString(file, addition, StandardOpenOption.CREATE, StandardOpenOption.WRITE);
+    } catch (IOException e) {
+      // not an issue worth failing over
+    }
   }
 
   /**
@@ -94,30 +114,24 @@ private void registerCustomAdapters(Set<? extends Element> elements) {
       final var type = typeElement.getQualifiedName().toString();
       if (CustomAdapterPrism.getInstanceOn(typeElement).isGeneric()) {
         ElementFilter.fieldsIn(typeElement.getEnclosedElements()).stream()
-            .filter(isStaticFactory())
-            .findFirst()
-            .ifPresentOrElse(
-                x -> {},
-                () ->
-                    logError(
-                        typeElement,
-                        "Generic adapters require a public static JsonAdapter.Factory FACTORY field"));
+          .filter(isStaticFactory())
+          .findFirst()
+          .ifPresentOrElse(
+            x -> {},
+            () -> logError(typeElement, "Generic adapters require a public static JsonAdapter.Factory FACTORY field"));
 
         metaData.addFactory(type);
       } else {
         ElementFilter.constructorsIn(typeElement.getEnclosedElements()).stream()
-            .filter(m -> m.getModifiers().contains(Modifier.PUBLIC))
-            .filter(m -> m.getParameters().size() == 1)
-            .map(m -> m.getParameters().get(0).asType().toString())
-            .map(Util::trimAnnotations)
-            .filter("io.avaje.jsonb.Jsonb"::equals)
-            .findAny()
-            .ifPresentOrElse(
-                x -> {},
-                () ->
-                    logError(
-                        typeElement,
-                        "Non-Generic adapters must have a public constructor with a single Jsonb parameter"));
+          .filter(m -> m.getModifiers().contains(Modifier.PUBLIC))
+          .filter(m -> m.getParameters().size() == 1)
+          .map(m -> m.getParameters().get(0).asType().toString())
+          .map(Util::trimAnnotations)
+          .filter("io.avaje.jsonb.Jsonb"::equals)
+          .findAny()
+          .ifPresentOrElse(
+            x -> {},
+            () -> logError(typeElement, "Non-Generic adapters must have a public constructor with a single Jsonb parameter"));
 
         metaData.add(type);
       }

jsonb-generator/src/main/java/io/avaje/jsonb/generator/ProcessingContext.java

@@ -78,20 +78,8 @@ static List<SubTypePrism> importedSubtypes(TypeElement type) {
   }
 
   private static boolean buildPluginAvailable() {
-    return resourceExists("target/avaje-plugin-exists.txt")
-      || resourceExists("build/avaje-plugin-exists.txt");
-  }
-
-  private static boolean resourceExists(String relativeName) {
     try {
-      final String resource =
-        filer()
-          .getResource(StandardLocation.CLASS_OUTPUT, "", relativeName)
-          .toUri()
-          .toString()
-          .replaceFirst("/target/classes", "")
-          .replaceFirst("/build/classes/java/main", "");
-      return Paths.get(new URI(resource)).toFile().exists();
+      return APContext.getBuildResource("avaje-plugin-exists.txt").toFile().exists();
     } catch (final Exception e) {
       return false;
     }

pom.xml

@@ -24,7 +24,7 @@
   <properties>
     <surefire.useModulePath>false</surefire.useModulePath>
     <nexus.staging.autoReleaseAfterClose>true</nexus.staging.autoReleaseAfterClose>
-    <spi.version>2.0</spi.version>
+    <spi.version>2.1</spi.version>
   </properties>
 
   <modules>