fnlp
├── fnlp-app
├── fnlp-core
├── models
│   └── seg.m
└── tmp
    └── lucene

Directory dir = FSDirectory.open(new File("../tmp/lucene"));

FileInputStream fileInputStream = new FileInputStream(new File("../models/seg.m"));

new File("./models/seg.m").getCanonicalPath();
/path/to/fnlp/fnlp-app/models/seg.m

new File("../models/seg.m").getCanonicalPath();
/path/to/fnlp/models/seg.m