/**
* Parses the XML and produces an array of {@link Npc}s which are to be registered to the world..
*
* @return An {@link EventHandlerChainGroup}.
*/
public Npc[] parse() {
XmlNode rootNode = null;
try {
rootNode = parser.parse(is);
} catch (final IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (final SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
final List<Npc> npcs = new ArrayList<Npc>();
final int maxId = NpcDefinition.count() - 1;
for (final XmlNode npcNode : rootNode) {
final int id = Integer.parseInt(npcNode.getAttribute("id"));
// We simply ignore any ids above the maximum for the current
// release.
if (id > maxId) continue;
final XmlNode posNode = npcNode.getChild("position");
final XmlNode nodeX = posNode.getChild("x");
final XmlNode nodeY = posNode.getChild("y");
final String nodeR = npcNode.getAttribute("rwalk");
boolean rwalk = false;
if (nodeR != null) rwalk = Boolean.parseBoolean(nodeR);
final String nodeF = npcNode.getAttribute("face");
int face = 0;
if (nodeF != null) face = Integer.parseInt(nodeF);
final int x = Integer.parseInt(nodeX.getValue());
final int y = Integer.parseInt(nodeY.getValue());
Position pos;
final XmlNode nodeZ = posNode.getChild("height");
if (nodeZ != null) {
final int height = Integer.parseInt(nodeZ.getValue());
pos = new Position(x, y, height);
} else pos = new Position(x, y);
final Npc npc = new Npc(id, pos);
npc.setFace(face);
npc.setRandomWalking(rwalk);
npcs.add(npc);
}
return npcs.toArray(new Npc[npcs.size()]);
}
/**
* Parses the XML and creates a meta data object.
*
* @return The meta data object.
* @throws IOException if an I/O error occurs.
* @throws SAXException if a SAX error occurs.
*/
public PluginMetaData parse() throws IOException, SAXException {
XmlNode rootNode = parser.parse(is);
if (!rootNode.getName().equals("plugin")) {
throw new IOException("root node must be named plugin");
}
XmlNode idNode = getElement(rootNode, "id");
XmlNode nameNode = getElement(rootNode, "name");
XmlNode descriptionNode = getElement(rootNode, "description");
XmlNode authorsNode = getElement(rootNode, "authors");
XmlNode scriptsNode = getElement(rootNode, "scripts");
XmlNode dependenciesNode = getElement(rootNode, "dependencies");
XmlNode versionNode = getElement(rootNode, "version");
String id = idNode.getValue();
String name = nameNode.getValue();
String description = descriptionNode.getValue();
int version = Integer.parseInt(versionNode.getValue());
if (id == null || name == null || description == null) {
throw new IOException("id, name and description must have values");
}
XmlNode[] authorNodes = authorsNode.getChildren().toArray(EMPTY_NODE_ARRAY);
XmlNode[] scriptNodes = scriptsNode.getChildren().toArray(EMPTY_NODE_ARRAY);
XmlNode[] dependencyNodes = dependenciesNode.getChildren().toArray(EMPTY_NODE_ARRAY);
String[] authors = new String[authorNodes.length];
String[] scripts = new String[scriptNodes.length];
String[] dependencies = new String[dependencyNodes.length];
for (int i = 0; i < authorNodes.length; i++) {
authors[i] = authorNodes[i].getValue();
if (authors[i] == null) {
throw new IOException("author elements must have values");
}
}
for (int i = 0; i < scriptNodes.length; i++) {
scripts[i] = scriptNodes[i].getValue();
if (scripts[i] == null) {
throw new IOException("script elements must have values");
}
}
for (int i = 0; i < dependencyNodes.length; i++) {
dependencies[i] = dependencyNodes[i].getValue();
if (dependencies[i] == null) {
throw new IOException("dependency elements must have values");
}
}
return new PluginMetaData(id, name, description, authors, scripts, dependencies, version);
}
