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package NET.worlds.scape;
import NET.worlds.network.Cache;
import NET.worlds.network.CacheFile;
import NET.worlds.network.NetUpdate;
import NET.worlds.network.URL;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.Hashtable;
class WorldScriptLoader extends ClassLoader {
Hashtable cache = new Hashtable();
String lastWorldName;
private byte[] loadClassData(String name) {
String prefix = "NET.worlds.scape.";
if (name.startsWith(prefix)) {
name = name.substring(prefix.length());
}
int nameIdx = name.indexOf("WorldScript");
if (nameIdx == -1) {
nameIdx = 0;
} else {
nameIdx += new String("WorldScript").length();
}
int extIdx = name.indexOf(".class");
String worldName;
if (nameIdx == 0 && this.lastWorldName != null) {
worldName = this.lastWorldName;
if (!name.endsWith(".class")) {
name = name + ".class";
}
} else if (extIdx != -1) {
worldName = name.substring(nameIdx, extIdx);
} else {
worldName = name.substring(nameIdx);
name = name + ".class";
}
URL scriptURL = URL.make(NetUpdate.getUpgradeServerURL() + worldName + "/" + name);
CacheFile f = Cache.getFile(scriptURL, true);
f.waitUntilLoaded();
if (f.error()) {
return null;
} else {
this.lastWorldName = worldName;
String fileName = f.getLocalName();
try {
File file = new File(fileName);
FileInputStream fis = new FileInputStream(file);
byte[] buffer = new byte[1024];
ByteArrayOutputStream os = new ByteArrayOutputStream();
while (true) {
try {
int bytesRead = fis.read(buffer);
if (bytesRead == -1) {
break;
}
os.write(buffer, 0, bytesRead);
} catch (Exception var14) {
break;
}
}
return os.toByteArray();
} catch (Exception var15) {
return null;
}
}
}
@Override
public synchronized Class loadClass(String name, boolean resolve) {
Class c = (Class)this.cache.get(name);
if (c == null) {
byte[] data = (byte[])null;
if (!name.startsWith("java.")) {
data = this.loadClassData(name);
}
if (data == null) {
try {
return this.findSystemClass(name);
} catch (Error var6) {
System.out.println("Could not load script " + name + " " + var6);
return null;
} catch (Exception var7) {
System.out.println("Could not load script " + name + " " + var7);
return null;
}
}
c = this.defineClass(data, 0, data.length);
this.cache.put(name, c);
}
if (resolve) {
this.resolveClass(c);
}
return c;
}
}
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