Iterate over list recieved via get. about edn-java HOT 1 CLOSED

package us.bpsm.edn.issues;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import us.bpsm.edn.Keyword;
import us.bpsm.edn.parser.Parseable;
import us.bpsm.edn.parser.Parser;
import us.bpsm.edn.parser.Parsers;
import static org.junit.Assert.assertEquals;
import static us.bpsm.edn.Keyword.newKeyword;
import static us.bpsm.edn.parser.Parsers.defaultConfiguration;

public class Issue39Test {
    static final Keyword MODULES = newKeyword("modules");
    static final Keyword ACTIVE = newKeyword("active");
    static final Keyword ADDR = newKeyword("addr");
    static final Keyword SENSORS = newKeyword("sensors");

    static final String MODULES_EDN = 
        "{\n" +
        "    :modules [\n"+
        "        {:active 1, :addr 10657, :sensors [520, 519, 0, 0]},\n"+
        "        {:active 0, :addr 8217, :sensors [212, 520, 0, 0]},\n" +
        "        {:active 0, :addr 0, :sensors [0, 0, 0, 0]}\n" +
        "    ]\n" +
        "}\n";

    @Test
    public void test() {
        Parseable pbr = Parsers.newParseable(MODULES_EDN);
        Parser p = Parsers.newParser(defaultConfiguration());
        Map<?, ?> m = (Map<?, ?>) p.nextValue(pbr);
        List<?> modulesList = (List<?>) m.get(MODULES);
        // This just shows that the modulesList contains what we expect
        expectModule((Map<?,?>)modulesList.get(0), 1, 10657, 520, 519, 0, 0);
        expectModule((Map<?,?>)modulesList.get(1), 0,  8217, 212, 520, 0, 0);
        expectModule((Map<?,?>)modulesList.get(2), 0,     0,   0,   0, 0, 0);
        // This is an example of how one might iterate over the contents of the 
        // module List. Yes all the casting is ugly.
        for (Object o: modulesList) {
            Map<?,?> module = (Map<?,?>) o;
            doSomethingWithModuleMap(module);
        }
    }

    private void expectModule(Map<?,?> module, int active, int addr, int ... sensors) {
        assertEquals(active, ((Number)module.get(ACTIVE)).intValue());
        assertEquals(addr, ((Number)module.get(ADDR)).intValue());
        List<Number> moduleSensorsList = (List<Number>) module.get(SENSORS);
        assertEquals(sensors.length, moduleSensorsList.size());
        for (int i = 0; i < sensors.length; i++) {
            assertEquals(sensors[i], moduleSensorsList.get(i).intValue());
        }
    }

    private void doSomethingWithModuleMap(Map<?,?> module) {
        System.out.println(module);
    }
}