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package de.gultsch.chat.entities;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map.Entry;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class Presences {
public static final int CHAT = -1;
public static final int ONLINE = 0;
public static final int AWAY = 1;
public static final int XA = 2;
public static final int DND = 3;
public static final int OFFLINE = 4;
private Hashtable<String, Integer> presences = new Hashtable<String, Integer>();
public Hashtable<String, Integer> getPresences() {
return this.presences;
}
public void updatePresence(String resource, int status) {
this.presences.put(resource, status);
}
public void removePresence(String resource) {
this.presences.remove(resource);
}
public int getMostAvailableStatus() {
int status = OFFLINE;
Iterator<Entry<String, Integer>> it = presences.entrySet().iterator();
while (it.hasNext()) {
Entry<String, Integer> entry = it.next();
if (entry.getValue()<status) status = entry.getValue();
}
return status;
}
public String toJsonString() {
JSONArray json = new JSONArray();
Iterator<Entry<String, Integer>> it = presences.entrySet().iterator();
while (it.hasNext()) {
Entry<String, Integer> entry = it.next();
JSONObject jObj = new JSONObject();
try {
jObj.put("resource", entry.getKey());
jObj.put("status", entry.getValue());
} catch (JSONException e) {
}
json.put(jObj);
}
return json.toString();
}
public static Presences fromJsonString(String jsonString) {
Presences presences = new Presences();
try {
JSONArray json = new JSONArray(jsonString);
for (int i = 0; i < json.length(); ++i) {
JSONObject jObj = json.getJSONObject(i);
presences.updatePresence(jObj.getString("resource"),
jObj.getInt("status"));
}
} catch (JSONException e1) {
}
return presences;
}
}
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