feat: add demo agent implementations and demo main 🤖

foldright · Jul 10, 2023 · ab7fcef · ab7fcef
1 parent 577976e
commit ab7fcef
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Showing 10 changed files with 217 additions and 3 deletions.
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
@@ -34,7 +34,7 @@ jobs:
  java-version: 8
  distribution: zulu
  - name: test with Java 8
- run: ./mvnw -V --no-transfer-progress surefire:test
+ run: ./mvnw -V --no-transfer-progress dependency:properties surefire:test
 
  - name: 'remove self maven install files(OS: *nix)'
  run: rm -rf $HOME/.m2/repository/io/foldright/study*

diff --git a/hello-agent/pom.xml b/hello-agent/pom.xml
@@ -9,4 +9,65 @@
  </parent>
 
  <artifactId>hello-agent</artifactId>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.javassist</groupId>
+ <artifactId>javassist</artifactId>
+ <optional>true</optional>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-jar-plugin</artifactId>
+ <configuration>
+ <archive>
+ <manifestEntries>
+ <Premain-Class>io.foldright.study.hello.agent.HelloAgent</Premain-Class>
+ <Boot-Class-Path>${project.build.finalName}.jar</Boot-Class-Path>
+ <Can-Redefine-Classes>false</Can-Redefine-Classes>
+ <Can-Retransform-Classes>true</Can-Retransform-Classes>
+ <Can-Set-Native-Method-Prefix>false</Can-Set-Native-Method-Prefix>
+ </manifestEntries>
+ </archive>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-shade-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>shade-when-package</id>
+ <phase>package</phase>
+ <goals>
+ <goal>shade</goal>
+ </goals>
+ <configuration>
+ <relocations>
+ <relocation>
+ <pattern>javassist</pattern>
+ <shadedPattern>io.foldright.study.hello.agent.internal.javassist</shadedPattern>
+ </relocation>
+ </relocations>
+ <artifactSet>
+ <includes>
+ <include>org.javassist:javassist</include>
+ </includes>
+ </artifactSet>
+ <filters>
+ <filter>
+ <artifact>org.javassist:javassist</artifact>
+ <excludes>
+ <exclude>META-INF/MANIFEST.MF</exclude>
+ </excludes>
+ </filter>
+ </filters>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
 </project>
diff --git a/hello-agent/src/main/java/io/foldright/study/hello/agent/HelloAgent.java b/hello-agent/src/main/java/io/foldright/study/hello/agent/HelloAgent.java
@@ -0,0 +1,12 @@
+package io.foldright.study.hello.agent;
+
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+import java.lang.instrument.Instrumentation;
+
+
+public class HelloAgent {
+ public static void premain(final String agentArgs, @NonNull final Instrumentation inst) {
+ System.out.println("Hello Agent!");
+ }
+}
diff --git a/main-runner/pom.xml b/main-runner/pom.xml
@@ -9,4 +9,35 @@
  </parent>
 
  <artifactId>main-runner</artifactId>
+
+ <dependencies>
+ <dependency>
+ <groupId>io.foldright.study</groupId>
+ <artifactId>hello-agent</artifactId>
+ <version>${project.version}</version>
+ <optional>true</optional>
+ </dependency>
+ <dependency>
+ <groupId>io.foldright.study</groupId>
+ <artifactId>world-agent</artifactId>
+ <version>${project.version}</version>
+ <optional>true</optional>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-plugin</artifactId>
+ <configuration>
+ <argLine>
+ -javaagent:${io.foldright.study:hello-agent:jar}
+ -javaagent:${io.foldright.study:world-agent:jar}
+ @{argLine}
+ </argLine>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
 </project>
diff --git a/main-runner/src/main/java/io/foldright/study/main/Main.java b/main-runner/src/main/java/io/foldright/study/main/Main.java
@@ -0,0 +1,7 @@
+package io.foldright.study.main;
+
+public class Main {
+ public static void main(String[] args) {
+ System.out.println("Hello World!");
+ }
+}
diff --git a/main-runner/src/test/java/io/foldright/study/main/MainTest.java b/main-runner/src/test/java/io/foldright/study/main/MainTest.java
@@ -0,0 +1,11 @@
+package io.foldright.study.main;
+
+import org.junit.jupiter.api.Test;
+
+
+class MainTest {
+ @Test
+ void hello() {
+ System.out.println("Hello world!");
+ }
+}
diff --git a/pom.xml b/pom.xml
@@ -59,6 +59,7 @@
  <!-- A Guide to Maven Encoding https://www.baeldung.com/maven-encoding -->
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <project.reporting.outputEncoding>${project.build.sourceEncoding}</project.reporting.outputEncoding>
+ <maven.javadoc.skip>true</maven.javadoc.skip>
  <maven.deploy.skip>true</maven.deploy.skip>
 
  <spotbugs.annotations.version>4.7.3</spotbugs.annotations.version>
@@ -75,6 +76,7 @@
  <!-- testing dependencies versions -->
  <junit5.version>5.9.3</junit5.version>
  <kotest.version>5.6.2</kotest.version>
+ <argLine/>
  </properties>
 
  <dependencies>
@@ -313,6 +315,18 @@
  </execution>
  </executions>
  </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <executions>
+ <execution>
+ <phase>initialize</phase>
+ <goals>
+ <goal>properties</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
  </plugins>
  <pluginManagement>
  <plugins>
@@ -422,6 +436,11 @@
  <artifactId>jacoco-maven-plugin</artifactId>
  <version>0.8.10</version>
  </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <version>3.6.0</version>
+ </plugin>
  </plugins>
  </pluginManagement>
  </build>

diff --git a/scripts/integration_test.sh b/scripts/integration_test.sh
@@ -66,8 +66,8 @@ for jdk_version in "${JDK_VERSIONS[@]}"; do
  # about CI env var
  # https://docs.github.com/en/actions/learn-github-actions/variables#default-environment-variables
  if [ "${CI:-}" = true ]; then
- jvb::mvn_cmd jacoco:prepare-agent surefire:test jacoco:report
+ jvb::mvn_cmd jacoco:prepare-agent dependency:properties surefire:test jacoco:report
  else
- jvb::mvn_cmd surefire:test
+ jvb::mvn_cmd dependency:properties surefire:test
  fi
 done
diff --git a/world-agent/pom.xml b/world-agent/pom.xml
@@ -9,4 +9,65 @@
  </parent>
 
  <artifactId>world-agent</artifactId>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.javassist</groupId>
+ <artifactId>javassist</artifactId>
+ <optional>true</optional>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-jar-plugin</artifactId>
+ <configuration>
+ <archive>
+ <manifestEntries>
+ <Premain-Class>io.foldright.study.world.agent.WorldAgent</Premain-Class>
+ <Boot-Class-Path>${project.build.finalName}.jar</Boot-Class-Path>
+ <Can-Redefine-Classes>false</Can-Redefine-Classes>
+ <Can-Retransform-Classes>true</Can-Retransform-Classes>
+ <Can-Set-Native-Method-Prefix>false</Can-Set-Native-Method-Prefix>
+ </manifestEntries>
+ </archive>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-shade-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>shade-when-package</id>
+ <phase>package</phase>
+ <goals>
+ <goal>shade</goal>
+ </goals>
+ <configuration>
+ <relocations>
+ <relocation>
+ <pattern>javassist</pattern>
+ <shadedPattern>io.foldright.study.world.agent.internal.javassist</shadedPattern>
+ </relocation>
+ </relocations>
+ <artifactSet>
+ <includes>
+ <include>org.javassist:javassist</include>
+ </includes>
+ </artifactSet>
+ <filters>
+ <filter>
+ <artifact>org.javassist:javassist</artifact>
+ <excludes>
+ <exclude>META-INF/MANIFEST.MF</exclude>
+ </excludes>
+ </filter>
+ </filters>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
 </project>
diff --git a/world-agent/src/main/java/io/foldright/study/world/agent/WorldAgent.java b/world-agent/src/main/java/io/foldright/study/world/agent/WorldAgent.java
@@ -0,0 +1,12 @@
+package io.foldright.study.world.agent;
+
+import edu.umd.cs.findbugs.annotations.NonNull;
+
+import java.lang.instrument.Instrumentation;
+
+
+public class WorldAgent {
+ public static void premain(final String agentArgs, @NonNull final Instrumentation inst) {
+ System.out.println("World Agent!");
+ }
+}