packagecn.javass.spring.chapter4;importjava.io.File;importjava.io.IOException;importjunit.framework.Assert;importorg.jboss.vfs.VFS;importorg.jboss.vfs.VirtualFile;importorg.jboss.vfs.spi.RealFileSystem;importorg.junit.Test;importorg.springframework.core.io.Resource;importorg.springframework.core.io.support.Path