/*
* #%L
* server
* %%
* Copyright (C) 2012 - 2015 valdasraps
* %%
* This program 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 3 of the
* License, or (at your option) any later version.
*
* This program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-3.0.html>.
* #L%
*/
package lt.emasina.resthub.server.app;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.TreeSet;
import lt.emasina.resthub.server.exception.ServerErrorException;
import lt.emasina.resthub.server.table.ServerTable;
import lt.emasina.resthub.server.table.TableId;
import org.json.JSONException;
import org.json.JSONObject;
import org.restlet.data.Method;
import org.restlet.ext.json.JsonRepresentation;
import org.restlet.resource.Get;
import org.restlet.resource.Options;
public class Tables extends ServerBaseResource {
private String namespace = null;
@Override
public void doInit() {
super.doInit();
this.namespace = super.getAttr(String.class, "tableNs");
}
@Options
public void define() {
getResponse().setAccessControlAllowMethods(new HashSet<>(Arrays.asList(Method.GET, Method.OPTIONS)));
getResponse().setAccessControlAllowHeaders(Collections.singleton("Content-Type"));
addHeader("X-Content-Types", "application/json");
}
@Get
public void describe() {
try {
JSONObject ret = new JSONObjectOrdered();
for (ServerTable tmd : mf.getTables()) {
TableId id = tmd.getId();
if (namespace != null) {
if (namespace.equals(id.getNamespace())) {
ret.put(id.getName(), tmd.getReference("table", getHostRef()));
}
} else {
if (!ret.has(id.getNamespace())) {
ret.put(id.getNamespace(), new JSONObjectOrdered());
}
JSONObject nso = (JSONObject) ret.get(id.getNamespace());
nso.put(id.getName(), tmd.getReference("table", getHostRef()));
}
}
getResponse().setEntity(new JsonRepresentation(ret));
} catch (JSONException ex) {
throw new ServerErrorException(ex);
}
}
private class JSONObjectOrdered extends JSONObject {
@Override
public Iterator keys() {
TreeSet<Object> sortedKeys = new TreeSet<>();
Iterator keys = super.keys();
while (keys.hasNext()) {
sortedKeys.add(keys.next());
}
return sortedKeys.iterator();
}
}
}