adir1.addFile(new File("AFile1", 60));
adir1.addFile(new File("AFile2", 61));
Directory adir2 = new Directory("ADir2", 101);
projectA.addDirectory(adir1);
projectA.addDirectory(adir2);
data.put(projectA.getName(), projectA);
Project projectB = new Project("projectB", 501);