builder.java

BufferedReader reader = new BufferedReader(new FileReader("ESSettings"));
StringBuilder builder = new StringBuilder();
String line;
while((line = reader.readLine()) != null){
    builder.append(line);
}
settings = ImmutableSettings.settingsBuilder().loadFromSource(builder.toString()).put(settingsMap).build();
n = NodeBuilder.nodeBuilder().settings(settings).client(true).build().start();
c = n.client();
AnalyzeResponse rsvp = c.admin().indices().prepareAnalyze("THIS IS A123 45 t-0 133[orcun] TEST").setIndex("c").setField("store").execute().actionGet();

essettings.json

"index":{
        "number_of_shards":1,
        "number_of_replicas":0,
        "analysis":{
            "tokenizer":{
                "standard":{
                    "type":"standard"
                },
                "whitespace":{
                    "type":"whitespace"
                }
            },
            "filter":{
                "standard":{
                    "type":"standard"
                },
                "lowercase":{
                    "type":"lowercase"
                },
                "stop" : {
                    "type":"stop"
                }
            },
            "analyzer":{
                "simplealphanum":{
                    "tokenizer":"standard",
                    "filter":["lowercase"]
                },
                "whitespace":{
                    "tokenizer":"whitespace",
                    "filter":["lowercase"]
                }
            }
        }
    }