/*
* Copyright (C) 2010-2011 Geometer Plus <contact@geometerplus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.geometerplus.fbreader.network.opds;
import java.util.*;
import org.geometerplus.zlibrary.core.network.ZLNetworkException;
import org.geometerplus.zlibrary.core.network.ZLNetworkRequest;
import org.geometerplus.fbreader.network.*;
public class OPDSCatalogItem extends NetworkURLCatalogItem {
static class State extends NetworkOperationData {
public String LastLoadedId;
public final HashSet<String> LoadedIds = new HashSet<String>();
public State(INetworkLink link, OnNewItemListener listener) {
super(link, listener);
}
}
private State myLoadingState;
private final Map<String,String> myExtraData;
OPDSCatalogItem(INetworkLink link, String title, String summary, String cover, Map<Integer, String> urlByType, Map<String,String> extraData) {
super(link, title, summary, cover, urlByType);
myExtraData = extraData;
}
public OPDSCatalogItem(INetworkLink link, String title, String summary, String cover, Map<Integer, String> urlByType, Accessibility accessibility, int flags) {
super(link, title, summary, cover, urlByType, accessibility, flags);
myExtraData = null;
}
private void doLoadChildren(ZLNetworkRequest networkRequest) throws ZLNetworkException {
try {
super.doLoadChildren(myLoadingState, networkRequest);
} catch (ZLNetworkException e) {
myLoadingState = null;
throw e;
}
}
@Override
public final Map<String,String> extraData() {
return myExtraData;
}
protected String getUrl() {
return URLByType.get(URL_CATALOG);
}
@Override
public final void loadChildren(NetworkOperationData.OnNewItemListener listener) throws ZLNetworkException {
OPDSNetworkLink opdsLink = (OPDSNetworkLink) Link;
myLoadingState = opdsLink.createOperationData(listener);
ZLNetworkRequest networkRequest =
opdsLink.createNetworkData(getUrl(), myLoadingState);
doLoadChildren(networkRequest);
}
@Override
public final boolean supportsResumeLoading() {
return true;
}
@Override
public final void resumeLoading(NetworkOperationData.OnNewItemListener listener) throws ZLNetworkException {
if (myLoadingState != null) {
myLoadingState.Listener = listener;
ZLNetworkRequest networkRequest = myLoadingState.resume();
doLoadChildren(networkRequest);
}
}
}