+ <!-- <plugin> -->
+ <!-- <artifactId>maven-pmd-plugin</artifactId> -->
+ <!-- <version>2.7.1</version> -->
+ <!-- <configuration> -->
+ <!-- <linkXref>true</linkXref> -->
+ <!-- <targetJdk>1.6</targetJdk> -->
+ <!-- <aggregate>true</aggregate> -->
+ <!-- <excludes> -->
+ <!-- <exclude>**/springutil/*.java</exclude> -->
+ <!-- <exclude>**/demo/**/*.java</exclude> -->
+ <!-- <exclude>**/internal/**/*.java</exclude> -->
+ <!-- </excludes> -->
+ <!-- </configuration> -->
+ <!-- </plugin> -->