fixes #430 added checks to ensure log4j and logback are not used directly
diff --git a/modules/api/pom.xml b/modules/api/pom.xml
index 290967a..823eb5d 100644
--- a/modules/api/pom.xml
+++ b/modules/api/pom.xml
@@ -54,6 +54,36 @@
<build>
<plugins>
<plugin>
+ <!-- This configuration is merged with the checkstyle config in the parent pom. The
+ reason its here is because these logging checks are only needed for a subset of
+ child modules. Could not figure out a way to put the config in the parent pom
+ and only have some children use it. So this config is duplicated in the api and
+ core poms. If making changes, make them in both places. -->
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-checkstyle-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>logging-impl-check</id>
+ <goals>
+ <goal>check</goal>
+ </goals>
+ <configuration>
+ <checkstyleRules>
+ <module name="Checker">
+ <module name="TreeWalker">
+ <module name="IllegalImport">
+ <!-- make sure no code imports logging implementations. Should only use slf4j -->
+ <property name="illegalPkgs" value="org.apache.log4j,ch.qos.logback" />
+ </module>
+ </module>
+ </module>
+ </checkstyleRules>
+ <failOnViolation>true</failOnViolation>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
<groupId>net.revelc.code</groupId>
<artifactId>apilyzer-maven-plugin</artifactId>
<version>1.0.1</version>
diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index ec1526b..de20ac5 100644
--- a/modules/core/pom.xml
+++ b/modules/core/pom.xml
@@ -96,4 +96,38 @@
<scope>test</scope>
</dependency>
</dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <!-- This configuration is merged with the checkstyle config in the parent pom. The
+ reason its here is because these logging checks are only needed for a subset of
+ child modules. Could not figure out a way to put the config in the parent pom
+ and only have some children use it. So this config is duplicated in the api and
+ core poms. If making changes, make them in both places. -->
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-checkstyle-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>logging-impl-check</id>
+ <goals>
+ <goal>check</goal>
+ </goals>
+ <configuration>
+ <checkstyleRules>
+ <module name="Checker">
+ <module name="TreeWalker">
+ <module name="IllegalImport">
+ <!-- make sure no code imports logging implementations. Should only use slf4j -->
+ <property name="illegalPkgs" value="org.apache.log4j,ch.qos.logback" />
+ </module>
+ </module>
+ </module>
+ </checkstyleRules>
+ <failOnViolation>true</failOnViolation>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
</project>
