import java.io.*;

File dir = new File( basedir, "target/massembly235-test-1-release" );

File goodJar = new File( dir, "xmlenc-0.52.jar" );
File badJar = new File( dir, "xmlenc-0.39.jar" );

System.out.println( "Good version of xmlenc exists? " + goodJar.exists() );
System.out.println( "Bad version of xmlenc doesn't exist? " + (!badJar.exists()) );

return goodJar.exists() && !badJar.exists();