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package NET.worlds.core;
import NET.worlds.scape.Persister;
import NET.worlds.scape.Restorer;
import NET.worlds.scape.Saver;
import NET.worlds.scape.TooNewException;
import java.io.IOException;
import java.util.Enumeration;
public class Hashtable<K, V> extends java.util.Hashtable<K, V> implements Persister {
private static final long serialVersionUID = 1133311923215053895L;
private static Object classCookie = new Object();
public Hashtable(int initialCapacity, float loadFactor) {
super(initialCapacity, loadFactor);
}
public Hashtable(int initialCapacity) {
super(initialCapacity);
}
public Hashtable() {
}
public Object getKey(Object obj) {
Enumeration<K> e = this.keys();
while (e.hasMoreElements()) {
Object key = e.nextElement();
if (this.get(key) == obj) {
return key;
}
}
return null;
}
@Override
public void saveState(Saver s) throws IOException {
s.saveVersion(0, classCookie);
int count = 0;
Enumeration<K> e = this.keys();
while (e.hasMoreElements()) {
Object key = e.nextElement();
Object obj = this.get(key);
if ((key instanceof String || key instanceof Persister) && obj instanceof Persister) {
count++;
}
}
s.saveInt(count);
e = this.keys();
while (e.hasMoreElements()) {
Object key = e.nextElement();
Object obj = this.get(key);
if ((key instanceof String || key instanceof Persister) && obj instanceof Persister) {
if (key instanceof String) {
s.saveBoolean(true);
s.saveString((String)key);
} else {
s.saveBoolean(false);
s.save((Persister)key);
}
s.save((Persister)obj);
}
}
}
@Override
public void restoreState(Restorer r) throws IOException, TooNewException {
int count = this.restoreCount(r);
for (int i = 0; i < count; i++) {
this.restoreEntry(r);
}
}
@Override
public void postRestore(int version) {
}
public int restoreCount(Restorer r) throws IOException, TooNewException {
switch (r.restoreVersion(classCookie)) {
case 0:
return r.restoreInt();
default:
throw new TooNewException();
}
}
public void restoreEntry(Restorer r) throws IOException, TooNewException {
K key;
if (r.restoreBoolean()) {
key = (K)r.restoreString();
} else {
key = (K)r.restore();
}
V obj = (V)r.restore();
this.put(key, obj);
}
}
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