<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.checkerframework</groupId>
  <artifactId>MavenExample</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>MavenExample</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <!-- These properties will be set by the Maven Dependency plugin -->
    <errorProneJavac>${com.google.errorprone:javac:jar}</errorProneJavac>
    <checkerFrameworkVersion><!-- checker-framework-version -->3.13.0<!-- /checker-framework-version --></checkerFrameworkVersion>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.13.1</version>
      <scope>test</scope>
    </dependency>
    <!-- Annotations from the Checker Framework: nullness, interning, locking, ... -->
    <dependency>
      <groupId>org.checkerframework</groupId>
      <artifactId>checker-qual</artifactId>
      <version>${checkerFrameworkVersion}</version>
    </dependency>
    <dependency>
      <groupId>com.google.errorprone</groupId>
      <artifactId>javac</artifactId>
      <version>9+181-r4173-1</version>
    </dependency>
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-lang3</artifactId>
      <version>3.1</version>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>
        <version>2.4</version>
        <scope>provided</scope>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
          <!-- This plugin will set properties values using dependency information -->
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-dependency-plugin</artifactId>
          <executions>
              <execution>
                  <goals>
                      <goal>properties</goal>
                  </goals>
              </execution>
          </executions>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-site-plugin</artifactId>
        <version>3.2</version>
      </plugin>
    </plugins>
  </build>

  <profiles>
    <profile>
      <id>checkerframework</id>
      <activation>
        <jdk>[1.8,13)</jdk>
      </activation>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.8.1</version>
            <configuration>
              <fork>true</fork> <!-- Must fork or else JVM arguments are ignored. -->
              <compilerArguments>
                <Xmaxerrs>10000</Xmaxerrs>
                <Xmaxwarns>10000</Xmaxwarns>
              </compilerArguments>
              <annotationProcessorPaths>
                <path>
                  <groupId>org.checkerframework</groupId>
                  <artifactId>checker</artifactId>
                  <version>3.7.0</version>
                </path>
              </annotationProcessorPaths>
              <annotationProcessors>
                <!-- Add all the checkers you want to enable here -->
                <annotationProcessor>org.checkerframework.checker.nullness.NullnessChecker</annotationProcessor>
              </annotationProcessors>
              <compilerArgs>
                <!-- <arg>-Awarns</arg> --> <!-- -Awarns turns type-checking errors into warnings. -->
              </compilerArgs>
            </configuration>
          </plugin>
        </plugins>
      </build>
      <dependencies>
        <dependency>
          <groupId>org.checkerframework</groupId>
          <artifactId>checker</artifactId>
          <version>${checkerFrameworkVersion}</version>
        </dependency>
      </dependencies>
    </profile>

    <profile>
      <id>checkerframework-jdk8</id>
      <activation>
        <jdk>1.8</jdk>
      </activation>
      <!-- using github.com/google/error-prone-javac is required when running on JDK 8 -->
      <properties>
        <javac.version>9+181-r4173-1</javac.version>
      </properties>
      <dependencies>
        <dependency>
          <groupId>com.google.errorprone</groupId>
          <artifactId>javac</artifactId>
          <version>9+181-r4173-1</version>
        </dependency>
      </dependencies>
      <build>
        <plugins>
          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
              <fork>true</fork> <!-- Must fork or else JVM arguments are ignored. -->
              <source>1.8</source>
              <target>1.8</target>
              <compilerArgs combine.children="append">
                <arg>-J-Xbootclasspath/p:${settings.localRepository}/com/google/errorprone/javac/${javac.version}/javac-${javac.version}.jar</arg>
              </compilerArgs>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>

    <profile>
      <id>checkerframework-jdk11</id>
      <activation>
        <jdk>11</jdk>
      </activation>
      <build>
        <plugins>
          <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
              <fork>true</fork>
              <release>11</release>
              <compilerArgs combine.children="append">
                <arg>-J--add-opens=jdk.compiler/com.sun.tools.javac.comp=ALL-UNNAMED</arg>
              </compilerArgs>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>

  <reporting>
    <excludeDefaults>true</excludeDefaults>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jxr-plugin</artifactId>
        <version>2.1</version>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>findbugs-maven-plugin</artifactId>
        <version>3.0.3</version>
        <configuration>
          <findbugsXmlOutput>true</findbugsXmlOutput>
          <findbugsXmlWithMessages>true</findbugsXmlWithMessages>
          <includeTests>true</includeTests>
          <xmlOutput>true</xmlOutput>
        </configuration>
      </plugin>
    </plugins>
  </reporting>

</project>