/*
* Copyright 2004-2010, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
* Copyright 2004-2006, Adam Turk <aturk@biggeruniverse.com>
*
* This file is part of libtiled-java.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; If not, see <http://www.gnu.org/licenses/>.
*/
package tiled.io;
import java.io.*;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Properties;
import java.util.zip.GZIPInputStream;
import java.util.zip.InflaterInputStream;
import javax.imageio.ImageIO;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import tiled.core.*;
import tiled.mapeditor.resources.Resources;
import tiled.mapeditor.util.cutter.BasicTileCutter;
import tiled.util.Base64;
import tiled.util.Converter;
import tiled.util.TiledConfiguration;
import tiled.util.Util;
/**
* The standard map reader for TMX files. Supports reading .tmx, .tmx.gz and *.tsx files.
*/
public class TMXMapReader
{
private Map map;
private String xmlPath;
private String error;
private final EntityResolver entityResolver = new MapEntityResolver();
public TMXMapReader() {
}
String getError() {
return error;
}
private static String makeUrl(String filename) throws MalformedURLException {
final String url;
if (filename.indexOf("://") > 0 || filename.startsWith("file:")) {
url = filename;
} else {
url = new File(filename).toURI().toString();
}
return url;
}
private static int reflectFindMethodByName(Class c, String methodName) {
Method[] methods = c.getMethods();
for (int i = 0; i < methods.length; i++) {
if (methods[i].getName().equalsIgnoreCase(methodName)) {
return i;
}
}
return -1;
}
private void reflectInvokeMethod(Object invokeVictim, Method method,
String[] args) throws Exception
{
Class[] parameterTypes = method.getParameterTypes();
Object[] conformingArguments = new Object[parameterTypes.length];
if (args.length < parameterTypes.length) {
throw new Exception("Insufficient arguments were supplied");
}
for (int i = 0; i < parameterTypes.length; i++) {
if ("int".equalsIgnoreCase(parameterTypes[i].getName())) {
conformingArguments[i] = new Integer(args[i]);
} else if ("float".equalsIgnoreCase(parameterTypes[i].getName())) {
conformingArguments[i] = new Float(args[i]);
} else if (parameterTypes[i].getName().endsWith("String")) {
conformingArguments[i] = args[i];
} else if ("boolean".equalsIgnoreCase(parameterTypes[i].getName())) {
conformingArguments[i] = Boolean.valueOf(args[i]);
} else {
// Unsupported argument type, defaulting to String
conformingArguments[i] = args[i];
}
}
method.invoke(invokeVictim,conformingArguments);
}
private void setOrientation(String o) {
if ("isometric".equalsIgnoreCase(o)) {
map.setOrientation(Map.ORIENTATION_ISOMETRIC);
} else if ("orthogonal".equalsIgnoreCase(o)) {
map.setOrientation(Map.ORIENTATION_ORTHOGONAL);
} else if ("hexagonal".equalsIgnoreCase(o)) {
map.setOrientation(Map.ORIENTATION_HEXAGONAL);
} else if ("shifted".equalsIgnoreCase(o)) {
map.setOrientation(Map.ORIENTATION_SHIFTED);
} else {
System.out.println("Unknown orientation '" + o + "'");
}
}
private static String getAttributeValue(Node node, String attribname) {
final NamedNodeMap attributes = node.getAttributes();
String value = null;
if (attributes != null) {
Node attribute = attributes.getNamedItem(attribname);
if (attribute != null) {
value = attribute.getNodeValue();
}
}
return value;
}
private static int getAttribute(Node node, String attribname, int def) {
final String attr = getAttributeValue(node, attribname);
if (attr != null) {
return Integer.parseInt(attr);
} else {
return def;
}
}
private Object unmarshalClass(Class reflector, Node node)
throws InstantiationException, IllegalAccessException,
InvocationTargetException {
Constructor cons = null;
try {
cons = reflector.getConstructor((Class[]) null);
} catch (SecurityException e1) {
e1.printStackTrace();
} catch (NoSuchMethodException e1) {
e1.printStackTrace();
return null;
}
Object o = cons.newInstance((Object[]) null);
Node n;
Method[] methods = reflector.getMethods();
NamedNodeMap nnm = node.getAttributes();
if (nnm != null) {
for (int i = 0; i < nnm.getLength(); i++) {
n = nnm.item(i);
try {
int j = reflectFindMethodByName(reflector,
"set" + n.getNodeName());
if (j >= 0) {
reflectInvokeMethod(o,methods[j],
new String [] {n.getNodeValue()});
} else {
System.out.println("Unsupported attribute '" +
n.getNodeName() + "' on <" +
node.getNodeName() + "> tag");
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
return o;
}
// private Image unmarshalImage(Node t, String baseDir) throws IOException
// {
// Image img = null;
//
// String source = getAttributeValue(t, "source");
//
// if (source != null) {
// if (checkRoot(source)) {
// source = makeUrl(source);
// } else {
// source = makeUrl(baseDir + source);
// }
// img = ImageIO.read(new URL(source));
// } else {
// NodeList nl = t.getChildNodes();
//
// for (int i = 0; i < nl.getLength(); i++) {
// Node node = nl.item(i);
// if ("data".equals(node.getNodeName())) {
// Node cdata = node.getFirstChild();
// if (cdata != null) {
// String sdata = cdata.getNodeValue();
// char[] charArray = sdata.trim().toCharArray();
// byte[] imageData = Base64.decode(charArray);
// img = ImageHelper.bytesToImage(imageData);
//
// // Deriving a scaled instance, even if it has the same
// // size, somehow makes drawing of the tiles a lot
// // faster on various systems (seen on Linux, Windows
// // and MacOS X).
// img = img.getScaledInstance(
// img.getWidth(null), img.getHeight(null),
// Image.SCALE_FAST);
// }
// break;
// }
// }
// }
//
// return img;
// }
private TileSet unmarshalTilesetFile(InputStream in, String filename)
throws Exception
{
TileSet set = null;
Node tsNode;
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
try {
DocumentBuilder builder = factory.newDocumentBuilder();
//builder.setErrorHandler(new XMLErrorHandler());
Document tsDoc = builder.parse(in, ".");
String xmlPathSave = xmlPath;
if (filename.indexOf(File.separatorChar) >= 0) {
xmlPath = filename.substring(0,
filename.lastIndexOf(File.separatorChar) + 1);
}
NodeList tsNodeList = tsDoc.getElementsByTagName("tileset");
// There can be only one tileset in a .tsx file.
tsNode = tsNodeList.item(0);
if (tsNode != null) {
set = unmarshalTileset(tsNode);
if (set.getSource() != null) {
System.out.println("Recursive external tilesets are not supported.");
}
set.setSource(filename);
}
xmlPath = xmlPathSave;
} catch (SAXException e) {
error = "Failed while loading " + filename + ": " +
e.getLocalizedMessage();
}
return set;
}
private TileSet unmarshalTileset(Node t) throws Exception {
String source = getAttributeValue(t, "source");
String basedir = getAttributeValue(t, "basedir");
int firstGid = getAttribute(t, "firstgid", 1);
String tilesetBaseDir = xmlPath;
if (basedir != null) {
tilesetBaseDir = basedir; //makeUrl(basedir);
}
if (source != null) {
String filename = Util.getAbsoluteFromRelative(tilesetBaseDir, source);
//if (checkRoot(source)) {
// filename = makeUrl(source);
//}
TileSet ext = null;
try {
InputStream in = new URL(makeUrl(filename)).openStream();
ext = unmarshalTilesetFile(in, filename);
ext.setFirstGid(firstGid);
} catch (FileNotFoundException fnf) {
error = "Could not find external tileset file " + filename;
}
if (ext == null) {
error = "Tileset " + source + " was not loaded correctly!";
}
return ext;
}
else {
final int tileWidth = getAttribute(t, "tilewidth", map != null ? map.getTileWidth() : 0);
final int tileHeight = getAttribute(t, "tileheight", map != null ? map.getTileHeight() : 0);
final int tileSpacing = getAttribute(t, "spacing", 0);
final int tileMargin = getAttribute(t, "margin", 0);
TileSet set = new TileSet();
set.setName(getAttributeValue(t, "name"));
set.setBaseDir(basedir);
set.setFirstGid(firstGid);
boolean hasTilesetImage = false;
NodeList children = t.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child.getNodeName().equalsIgnoreCase("image")) {
if (hasTilesetImage) {
System.out.println("Ignoring illegal image element after tileset image.");
continue;
}
String imgSource = getAttributeValue(child, "source");
String transStr = getAttributeValue(child, "trans");
if (imgSource != null) {
// Not a shared image, but an entire set in one image
// file. There should be only one image element in this
// case.
hasTilesetImage = true;
// FIXME: importTileBitmap does not fully support URLs
String sourcePath = imgSource;
if (! new File(imgSource).isAbsolute()) {
sourcePath = tilesetBaseDir + imgSource;
if (!new File(sourcePath).exists()) //XXX: Android - related tileset search fix. Introduced it because of the difference in Android asset readind and traditional FS file search
sourcePath = new File(new File(tilesetBaseDir).getParent(),imgSource).getAbsolutePath();
}
if (transStr != null) {
if (transStr.startsWith("#"))
transStr = transStr.substring(1);
int colorInt = Integer.parseInt(transStr, 16);
set.setTransparentColor(Converter.intToRGB(colorInt));
}
set.importTileBitmap(sourcePath, new BasicTileCutter(
tileWidth, tileHeight, tileSpacing, tileMargin));
}
}
else if (child.getNodeName().equalsIgnoreCase("tile")) {
Tile tile = unmarshalTile(set, child, tilesetBaseDir);
if (!hasTilesetImage || tile.getId() > set.getMaxTileId()) {
set.addTile(tile);
} else {
Tile myTile = set.getTile(tile.getId());
myTile.setProperties(tile.getProperties());
//TODO: there is the possibility here of overlaying images,
// which some people may want
}
}
}
return set;
}
}
private MapObject readMapObject(Node t) throws Exception {
final String name = getAttributeValue(t, "name");
final String type = getAttributeValue(t, "type");
final int x = getAttribute(t, "x", 0);
final int y = getAttribute(t, "y", 0);
final int width = getAttribute(t, "width", 0);
final int height = getAttribute(t, "height", 0);
MapObject obj = new MapObject(x, y, width, height);
if (name != null)
obj.setName(name);
if (type != null)
obj.setType(type);
NodeList children = t.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if ("image".equalsIgnoreCase(child.getNodeName())) {
String source = getAttributeValue(child, "source");
if (source != null) {
if (! new File(source).isAbsolute()) {
obj.setImageSource(xmlPath, source);
} else
obj.setImageSource(source);
}
break;
}
}
Properties props = new Properties();
readProperties(children, props);
obj.setProperties(props);
return obj;
}
/**
* Reads properties from amongst the given children. When a "properties"
* element is encountered, it recursively calls itself with the children
* of this node. This function ensures backward compatibility with tmx
* version 0.99a.
*
* Support for reading property values stored as character data was added
* in Tiled 0.7.0 (tmx version 0.99c).
*
* @param children the children amongst which to find properties
* @param props the properties object to set the properties of
*/
private static void readProperties(NodeList children, Properties props) {
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if ("property".equalsIgnoreCase(child.getNodeName())) {
final String key = getAttributeValue(child, "name");
String value = getAttributeValue(child, "value");
if (value == null) {
Node grandChild = child.getFirstChild();
if (grandChild != null) {
value = grandChild.getNodeValue();
if (value != null)
value = value.trim();
}
}
if (value != null)
props.setProperty(key, value);
}
else if ("properties".equals(child.getNodeName())) {
readProperties(child.getChildNodes(), props);
}
}
}
private Tile unmarshalTile(TileSet set, Node t, String baseDir)
throws Exception
{
Tile tile = null;
NodeList children = t.getChildNodes();
boolean isAnimated = false;
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if ("animation".equalsIgnoreCase(child.getNodeName())) {
isAnimated = true;
break;
}
}
try {
if (isAnimated) {
tile = (Tile) unmarshalClass(AnimatedTile.class, t);
} else {
tile = (Tile) unmarshalClass(Tile.class, t);
}
} catch (Exception e) {
error = "Failed creating tile: " + e.getLocalizedMessage();
return tile;
}
tile.setTileSet(set);
readProperties(children, tile.getProperties());
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if ("image".equalsIgnoreCase(child.getNodeName())) {
int id = getAttribute(child, "id", -1);
Image img = unmarshalImage(child, baseDir);
tile.setImage(img);
} else if ("animation".equalsIgnoreCase(child.getNodeName())) {
// TODO: fill this in once TMXMapWriter is complete
}
}
return tile;
}
private Image unmarshalImage(Node t, String baseDir) throws IOException
{
Image img = null;
String source = getAttributeValue(t, "source");
if (source != null) {
if (Util.checkRoot(source)) {
source = makeUrl(source);
} else {
source = makeUrl(baseDir + source);
}
img = new Image(Display.getDefault(),new URL(source).openStream());
// todo: check whether external images would also be faster drawn
// todo: from a scaled instance, see below
} else {
NodeList nl = t.getChildNodes();
for (int i = 0; i < nl.getLength(); i++) {
Node node = nl.item(i);
if ("data".equals(node.getNodeName())) {
Node cdata = node.getFirstChild();
if (cdata == null) {
System.err.println("image <data> tag enclosed no " +
"data. (empty data tag)");
} else {
String sdata = cdata.getNodeValue();
char[] charArray = sdata.trim().toCharArray();
byte[] imageData = Base64.decode(charArray);
img = ImageHelper.bytesToSWTImage(imageData);
// Deriving a scaled instance, even if it has the same
// size, somehow makes drawing of the tiles a lot
// faster on various systems (seen on Linux, Windows
// and MacOS X).
// img = img.getScaledInstance( //TODO check whether it slows the process
// img.getWidth(null), img.getHeight(null),
// Image.SCALE_FAST);
}
break;
}
}
}
/*
if (getAttributeValue(t, "set") != null) {
TileSet ts = (TileSet)map.getTilesets().get(
Integer.parseInt(getAttributeValue(t, "set")));
if (ts != null) {
ts.addImage(img);
}
}
*/
return img;
}
private MapLayer unmarshalObjectGroup(Node t) throws Exception {
ObjectGroup og = null;
try {
og = (ObjectGroup)unmarshalClass(ObjectGroup.class, t);
} catch (Exception e) {
e.printStackTrace();
return og;
}
final int offsetX = getAttribute(t, "x", 0);
final int offsetY = getAttribute(t, "y", 0);
og.setOffset(offsetX, offsetY);
// Add all objects from the objects group
NodeList children = t.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if ("object".equalsIgnoreCase(child.getNodeName())) {
og.addObject(readMapObject(child));
}
}
Properties props = new Properties();
readProperties(children, props);
og.setProperties(props);
return og;
}
/**
* Loads a map layer from a layer node.
* @param t the node representing the "layer" element
* @return the loaded map layer
* @throws Exception
*/
private MapLayer readLayer(Node t) throws Exception {
final int layerWidth = getAttribute(t, "width", map.getWidth());
final int layerHeight = getAttribute(t, "height", map.getHeight());
TileLayer ml = new TileLayer(layerWidth, layerHeight);
final int offsetX = getAttribute(t, "x", 0);
final int offsetY = getAttribute(t, "y", 0);
final int visible = getAttribute(t, "visible", 1);
String opacity = getAttributeValue(t, "opacity");
ml.setName(getAttributeValue(t, "name"));
if (opacity != null) {
ml.setOpacity(Float.parseFloat(opacity));
}
readProperties(t.getChildNodes(), ml.getProperties());
for (Node child = t.getFirstChild(); child != null;
child = child.getNextSibling())
{
String nodeName = child.getNodeName();
if ("data".equalsIgnoreCase(nodeName)) {
String encoding = getAttributeValue(child, "encoding");
if (encoding != null && "base64".equalsIgnoreCase(encoding)) {
Node cdata = child.getFirstChild();
if (cdata != null) {
char[] enc = cdata.getNodeValue().trim().toCharArray();
byte[] dec = Base64.decode(enc);
ByteArrayInputStream bais = new ByteArrayInputStream(dec);
InputStream is;
String comp = getAttributeValue(child, "compression");
if ("gzip".equalsIgnoreCase(comp)) {
is = new GZIPInputStream(bais);
} else if ("zlib".equalsIgnoreCase(comp)) {
is = new InflaterInputStream(bais);
} else {
is = bais;
}
for (int y = 0; y < ml.getHeight(); y++) {
for (int x = 0; x < ml.getWidth(); x++) {
int tileId = 0;
tileId |= is.read();
tileId |= is.read() << 8;
tileId |= is.read() << 16;
tileId |= is.read() << 24;
TileSet ts = map.findTileSetForTileGID(tileId);
if (ts != null) {
ml.setTileAt(x, y,
ts.getTile(tileId - ts.getFirstGid()));
} else {
ml.setTileAt(x, y, null);
}
}
}
}
} else {
int x = 0, y = 0;
for (Node dataChild = child.getFirstChild();
dataChild != null;
dataChild = dataChild.getNextSibling())
{
if ("tile".equalsIgnoreCase(dataChild.getNodeName())) {
int tileId = getAttribute(dataChild, "gid", -1);
TileSet ts = map.findTileSetForTileGID(tileId);
if (ts != null) {
ml.setTileAt(x, y,
ts.getTile(tileId - ts.getFirstGid()));
} else {
ml.setTileAt(x, y, null);
}
x++;
if (x == ml.getWidth()) {
x = 0; y++;
}
if (y == ml.getHeight()) { break; }
}
}
}
} else if ("tileproperties".equalsIgnoreCase(nodeName)) {
for (Node tpn = child.getFirstChild();
tpn != null;
tpn = tpn.getNextSibling())
{
if ("tile".equalsIgnoreCase(tpn.getNodeName())) {
int x = getAttribute(tpn, "x", -1);
int y = getAttribute(tpn, "y", -1);
Properties tip = new Properties();
readProperties(tpn.getChildNodes(), tip);
ml.setTileInstancePropertiesAt(x, y, tip);
}
}
}
}
// This is done at the end, otherwise the offset is applied during
// the loading of the tiles.
ml.setOffset(offsetX, offsetY);
// Invisible layers are automatically locked, so it is important to
// set the layer to potentially invisible _after_ the layer data is
// loaded.
// todo: Shouldn't this be just a user interface feature, rather than
// todo: something to keep in mind at this level?
ml.setVisible(visible == 1);
return ml;
}
private void buildMap(Document doc) throws Exception {
Node item, mapNode;
mapNode = doc.getDocumentElement();
if (!"map".equals(mapNode.getNodeName())) {
throw new Exception("Not a valid tmx map file.");
}
// Get the map dimensions and create the map
int mapWidth = getAttribute(mapNode, "width", 0);
int mapHeight = getAttribute(mapNode, "height", 0);
if (mapWidth > 0 && mapHeight > 0) {
map = new Map(mapWidth, mapHeight);
} else {
// Maybe this map is still using the dimensions element
NodeList l = doc.getElementsByTagName("dimensions");
for (int i = 0; (item = l.item(i)) != null; i++) {
if (item.getParentNode() == mapNode) {
mapWidth = getAttribute(item, "width", 0);
mapHeight = getAttribute(item, "height", 0);
if (mapWidth > 0 && mapHeight > 0) {
map = new Map(mapWidth, mapHeight);
}
}
}
}
if (map == null) {
throw new Exception("Couldn't locate map dimensions.");
}
// Load other map attributes
String orientation = getAttributeValue(mapNode, "orientation");
int tileWidth = getAttribute(mapNode, "tilewidth", 0);
int tileHeight = getAttribute(mapNode, "tileheight", 0);
if (tileWidth > 0) {
map.setTileWidth(tileWidth);
}
if (tileHeight > 0) {
map.setTileHeight(tileHeight);
}
if (orientation != null) {
setOrientation(orientation);
} else {
setOrientation("orthogonal");
}
// Load properties
readProperties(mapNode.getChildNodes(), map.getProperties());
// Load tilesets first, in case order is munged
NodeList l = doc.getElementsByTagName("tileset");
for (int i = 0; (item = l.item(i)) != null; i++) {
map.addTileset(unmarshalTileset(item));
}
// Load the layers and objectgroups
for (Node sibs = mapNode.getFirstChild(); sibs != null;
sibs = sibs.getNextSibling())
{
if ("layer".equals(sibs.getNodeName())) {
MapLayer layer = readLayer(sibs);
if (layer != null) {
map.addLayer(layer);
}
}
else if ("objectgroup".equals(sibs.getNodeName())) {
MapLayer layer = unmarshalObjectGroup(sibs);
if (layer != null) {
map.addLayer(layer);
}
}
}
}
private Map unmarshal(InputStream in) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
Document doc;
try {
factory.setIgnoringComments(true);
factory.setIgnoringElementContentWhitespace(true);
factory.setExpandEntityReferences(false);
DocumentBuilder builder = factory.newDocumentBuilder();
builder.setEntityResolver(entityResolver);
InputSource insrc = new InputSource(in);
// insrc.setSystemId(xmlPath);
insrc.setEncoding("UTF-8");
doc = builder.parse(insrc);
} catch (SAXException e) {
e.printStackTrace();
throw new Exception("Error while parsing map file: " +
e.toString());
}
buildMap(doc);
return map;
}
public Map readMap(String filename) throws Exception {
TiledConfiguration.addToRecentFiles(filename);
xmlPath = filename.substring(0,
filename.lastIndexOf(File.separatorChar) + 1);
String xmlFile = makeUrl(filename);
//xmlPath = makeUrl(xmlPath);
URL url = new URL(xmlFile);
InputStream is = url.openStream();
// Wrap with GZIP decoder for .tmx.gz files
if (filename.endsWith(".gz")) {
is = new GZIPInputStream(is);
}
Map unmarshalledMap = unmarshal(is);
unmarshalledMap.setFilename(filename);
map = null;
return unmarshalledMap;
}
public Map readMap(InputStream in) throws Exception {
xmlPath = makeUrl(".");
Map unmarshalledMap = unmarshal(in);
//unmarshalledMap.setFilename(xmlFile)
//
return unmarshalledMap;
}
public Map readMap(InputStream in, File baseFile) throws Exception {
TiledConfiguration.addToRecentFiles(baseFile.getAbsolutePath());
xmlPath = makeUrl(baseFile.getParent());
if (xmlPath.startsWith("file:/"))
xmlPath = xmlPath.substring("file:/".length());
Map unmarshalledMap = unmarshal(in);
unmarshalledMap.setFilename(baseFile.getAbsolutePath());
//unmarshalledMap.setFilename(xmlFile)
//
return unmarshalledMap;
}
public TileSet readTileset(String filename) throws Exception {
String xmlFile = filename;
xmlPath = filename.substring(0,
filename.lastIndexOf(File.separatorChar) + 1);
xmlFile = makeUrl(xmlFile);
xmlPath = makeUrl(xmlPath);
URL url = new URL(xmlFile);
return unmarshalTilesetFile(url.openStream(), filename);
}
public TileSet readTileset(InputStream in) throws Exception {
return unmarshalTilesetFile(in, ".");
}
public boolean accept(File pathName) {
try {
String path = pathName.getCanonicalPath();
if (path.endsWith(".tmx") || path.endsWith(".tsx") ||
path.endsWith(".tmx.gz")) {
return true;
}
} catch (IOException e) {}
return false;
}
private class MapEntityResolver implements EntityResolver
{
public InputSource resolveEntity(String publicId, String systemId) {
if (systemId.equals("http://mapeditor.org/dtd/1.0/map.dtd")) {
return new InputSource(Resources.class.getResourceAsStream(
"map.dtd"));
}
return null;
}
}
/**
* This utility function will check the specified string to see if it
* starts with one of the OS root designations. (Ex.: '/' on Unix, 'C:' on
* Windows)
*
* @param filename a filename to check for absolute or relative path
* @return <code>true</code> if the specified filename starts with a
* filesystem root, <code>false</code> otherwise.
*/
public static boolean checkRoot(String filename) {
File[] roots = File.listRoots();
for (File root : roots) {
try {
String canonicalRoot = root.getCanonicalPath().toLowerCase();
if (filename.toLowerCase().startsWith(canonicalRoot)) {
return true;
}
} catch (IOException e) {
// Do we care?
}
}
return false;
}
}