From 37d52501c8a4fbe22460f0e4e873e13f740b60aa Mon Sep 17 00:00:00 2001
From: Yan Zhulanow <yan.zhulanow@jetbrains.com>
Date: Thu, 11 Jun 2015 16:44:27 +0300
Subject: [PATCH] Add simple annotation processor for tests

---
 .../annotation-processor-example/pom.xml      | 90 +++++++++++++++++++
 .../main/kotlin/example/ExampleAnnotation.kt  |  6 ++
 .../example/ExampleAnnotationProcessor.kt     | 39 ++++++++
 .../javax.annotation.processing.Processor     |  1 +
 libraries/pom.xml                             |  1 +
 5 files changed, 137 insertions(+)
 create mode 100644 libraries/examples/annotation-processor-example/pom.xml
 create mode 100644 libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotation.kt
 create mode 100644 libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotationProcessor.kt
 create mode 100644 libraries/examples/annotation-processor-example/src/main/resources/META-INF/services/javax.annotation.processing.Processor

diff --git a/libraries/examples/annotation-processor-example/pom.xml b/libraries/examples/annotation-processor-example/pom.xml
new file mode 100644
index 00000000000..1e66c98bb83
--- /dev/null
+++ b/libraries/examples/annotation-processor-example/pom.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+    xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+
+    <modelVersion>4.0.0</modelVersion>
+    <properties>
+        <maven-plugin-anno.version>1.4.1</maven-plugin-anno.version>
+        <maven.version>3.0.4</maven.version>
+    </properties>
+
+    <parent>
+        <groupId>org.jetbrains.kotlin</groupId>
+        <artifactId>kotlin-project</artifactId>
+        <version>0.1-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>annotation-processor-example</artifactId>
+    <packaging>jar</packaging>
+
+    <description>Simple Annotation Processor for testing kapt</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>src/main/kotlin</sourceDirectory>
+        <testSourceDirectory>src/test/kotlin</testSourceDirectory>
+
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+        <plugins>
+            <plugin>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <version>${project.version}</version>
+                <configuration>
+                    <annotationPaths>
+                        <annotationPath>${basedir}/kotlinAnnotation</annotationPath>
+                    </annotationPaths>
+                </configuration>
+
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals> <goal>compile</goal> </goals>
+                        <configuration>
+                            <sourceDirs>
+                                <sourceDir>${project.basedir}/src/main/kotlin</sourceDir>
+                            </sourceDirs>
+                        </configuration>
+                    </execution>
+
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals> <goal>test-compile</goal> </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>jetbrains-utils</id>
+            <url>http://repository.jetbrains.com/utils</url>
+        </repository>
+    </repositories>
+</project>
diff --git a/libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotation.kt b/libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotation.kt
new file mode 100644
index 00000000000..a88da9823f6
--- /dev/null
+++ b/libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotation.kt
@@ -0,0 +1,6 @@
+package example
+
+import java.lang.annotation.ElementType
+import java.lang.annotation.Target
+
+annotation public class ExampleAnnotation
\ No newline at end of file
diff --git a/libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotationProcessor.kt b/libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotationProcessor.kt
new file mode 100644
index 00000000000..96d8a0917b6
--- /dev/null
+++ b/libraries/examples/annotation-processor-example/src/main/kotlin/example/ExampleAnnotationProcessor.kt
@@ -0,0 +1,39 @@
+package example
+
+import javax.annotation.processing.AbstractProcessor
+import javax.annotation.processing.RoundEnvironment
+import javax.lang.model.SourceVersion
+import javax.lang.model.element.ElementKind
+import javax.lang.model.element.TypeElement
+import javax.tools.Diagnostic
+
+public class ExampleAnnotationProcessor : AbstractProcessor() {
+
+    private companion object {
+        val ANNOTATION_FQ_NAME = javaClass<ExampleAnnotation>().getCanonicalName()
+    }
+
+    override fun process(annotations: MutableSet<out TypeElement>?, roundEnv: RoundEnvironment): Boolean {
+        val elements = roundEnv.getElementsAnnotatedWith(javaClass<ExampleAnnotation>())
+
+        val elementUtils = processingEnv.getElementUtils()
+        val filer = processingEnv.getFiler()
+
+        for (element in elements) {
+            val packageName = elementUtils.getPackageOf(element).getQualifiedName().toString()
+            val className = element.getSimpleName().toString().capitalize() + "Generated"
+
+            filer.createSourceFile(className).openWriter().use { with(it) {
+                appendln("package $packageName;")
+                appendln()
+                appendln("public final class $className {}")
+            }}
+        }
+
+        return true;
+    }
+
+    override fun getSupportedSourceVersion() = SourceVersion.RELEASE_6
+
+    override fun getSupportedAnnotationTypes() = setOf(ANNOTATION_FQ_NAME)
+}
\ No newline at end of file
diff --git a/libraries/examples/annotation-processor-example/src/main/resources/META-INF/services/javax.annotation.processing.Processor b/libraries/examples/annotation-processor-example/src/main/resources/META-INF/services/javax.annotation.processing.Processor
new file mode 100644
index 00000000000..af5b149f6fb
--- /dev/null
+++ b/libraries/examples/annotation-processor-example/src/main/resources/META-INF/services/javax.annotation.processing.Processor
@@ -0,0 +1 @@
+example.ExampleAnnotationProcessor
\ No newline at end of file
diff --git a/libraries/pom.xml b/libraries/pom.xml
index be5efa5beb9..263bbfdbab4 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -86,6 +86,7 @@
         <!--(kotlin-gradle-plugin module will be recognized as kotlin-js module)-->
         <module>tools/kotlin-js-library</module>
         <module>tools/kotlin-annotation-processing</module>
+        <module>examples/annotation-processor-example</module>
         <module>tools/kotlin-gradle-plugin</module>
         <module>tools/kotlin-gradle-plugin-core</module>
         <module>tools/kotlin-gradle-plugin-api</module>