findbugs.gradle

// To use findbugs you must have findbugs installed. Additionally you need a property called findbugsHome. You can define this
// in ~/.gradle/gradle.properties

task findbugs(dependsOn: tasks.withType(Jar).all) << {
    ant {
        taskdef(name: "findbugs", classname: "edu.umd.cs.findbugs.anttask.FindBugsTask", classpath: "$findbugsHome/lib/findbugs-ant.jar")
        mkdir dir: "$buildDir/findbugs-report"
        findbugs(home: findbugsHome, output: "xml:withMessages", outputFile: "$buildDir/findbugs-report/grails-fb.xml", jvmargs: "-Xmx768M") {
            auxClasspath() {
                fileset(dir: "lib") {
                    include(name: "*.jar")
                    exclude(name: "jsp-api-2.1.jar")
                }
                fileset(dir: "${System.properties['JAVA_HOME']}/lib") {
                    include(name: "tools.jar")
                }
            }
            sourcePath path: file('src/java')
            auxAnalyzepath() {
                fileset dir: libsDir, includes: "grails-*.jar" 
            }
        }
        xslt(in: "$buildDir/findbugs-report/grails-fb.xml", out: "$buildDir/findbugs-report/grails-fb.html", style: "$findbugsHome/src/xsl/fancy.xsl")
    }
}