Merge branch 'refactor-file-parser'

This commit is contained in:
Haoming Yin
2017-03-18 21:38:38 +13:00
4 changed files with 122 additions and 15 deletions
+24 -4
View File
@@ -3,12 +3,32 @@
<teams>
<team>
<name>Oracle Team USA</name>
<alais>USA</alais>
<speed>23.4</speed>
<alias>USA</alias>
<velocity>23.4</velocity>
</team>
<team>
<name>Artemis Racing</name>
<alias>ART</alias>
<velocity>12.9</velocity>
</team>
<team>
<name>Emirates Team New Zealand</name>
<alais>NZL</alais>
<speed>25.2</speed>
<alias>NZL</alias>
<velocity>25.2</velocity>
</team>
<team>
<name>Land Rover BAR</name>
<alias>BAR</alias>
<velocity>16.4</velocity>
</team>
<team>
<name>SoftBank Team Japan</name>
<alias>JAP</alias>
<velocity>19.22</velocity>
</team>
<team>
<name>Groupama Team France</name>
<alias>FRC</alias>
<velocity>28.8</velocity>
</team>
</teams>
@@ -0,0 +1,63 @@
package seng302.models.parsers;
import org.w3c.dom.*;
import seng302.models.Boat;
import java.util.ArrayList;
import java.util.NoSuchElementException;
public class TeamsParser extends FileParser {
private Document doc;
public TeamsParser(String path) {
super(path);
this.doc = this.parseFile();
}
/**
* Create a boat instance by a given team node
* @param node a boat node containing name, alias and velocity
* @return an instance of Boat
*/
private Boat parseBoat(Node node) {
try {
if (node.getNodeType() == Node.ELEMENT_NODE) {
Element element = (Element) node;
String name = element.getElementsByTagName("name").item(0).getTextContent();
String alias = element.getElementsByTagName("alias").item(0).getTextContent();
double velocity = Double.valueOf(element.getElementsByTagName("velocity").item(0).getTextContent());
Boat boat = new Boat(name, velocity);
return boat;
} else {
throw new NoSuchElementException("Cannot generate a boat by given node");
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Create an arraylist of boats instance.
* @return an arraylist of boats in teams file
*/
public ArrayList<Boat> getBoats() {
ArrayList<Boat> boats = new ArrayList<>();
try {
NodeList nodes = this.doc.getElementsByTagName("team");
for (int i = 0; i < nodes.getLength(); i++) {
Node node = nodes.item(i);
boats.add(parseBoat(node));
}
return boats;
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
@@ -1,11 +0,0 @@
package seng302.models.parsers;
public class teamsParser extends FileParser {
public teamsParser(String path) {
super(path);
}
}
@@ -0,0 +1,35 @@
package seng302.models.parsers;
import org.junit.Before;
import org.junit.Test;
import seng302.models.Boat;
import java.util.ArrayList;
import static org.junit.Assert.*;
/**
* Created by Haoming on 18/03/17.
*/
public class TeamsParserTest {
private TeamsParser tp;
@Before
public void readFile() {
tp = new TeamsParser("doc/examples/teams.xml");
}
@Test
public void getBoats() throws Exception {
ArrayList<Boat> boats = tp.getBoats();
assertEquals(6, boats.size(), 1e-10);
assertEquals("Oracle Team USA", boats.get(0).getTeamName());
assertEquals(23.4, boats.get(0).getVelocity(), 1e-10);
assertEquals("Groupama Team France", boats.get(5).getTeamName());
assertEquals(28.8, boats.get(5).getVelocity(), 1e-10);
}
}