/*
This file is part of RouteConverter.
RouteConverter 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.
RouteConverter 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 RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.catalog.remote;
import slash.navigation.catalog.domain.Category;
import slash.navigation.catalog.domain.Route;
import slash.navigation.gpx.binding11.GpxType;
import slash.navigation.gpx.binding11.RteType;
import java.io.IOException;
import java.net.URL;
/**
* Represents a route on the server which is transferred via {@link RemoteCatalog}
* and represented with GPX documents.
*
* @author Christian Pesch
*/
public class RemoteRoute implements Route {
private final RemoteCategory category;
private final String url;
private String name, creator, description;
private boolean fromCategory = false;
private GpxType gpx;
public RemoteRoute(RemoteCategory category, String url) {
this.category = category;
this.url = url;
}
public RemoteRoute(RemoteCategory category, String url, String name, String creator, String description) {
this.category = category;
this.url = url;
this.name = name;
this.creator = creator;
this.description = description;
fromCategory = true;
}
private RemoteCatalog getCatalog() {
return category.getCatalog();
}
public String getUrl() {
return url;
}
private synchronized GpxType getGpx() throws IOException {
if (gpx == null)
gpx = getCatalog().fetchGpx(getUrl());
return gpx;
}
private synchronized void invalidate() {
category.invalidate();
gpx = null;
name = null;
creator = null;
description = null;
fromCategory = false;
}
private RteType getRte() throws IOException {
GpxType gpx = getGpx();
return gpx != null ? gpx.getRte().get(0) : null;
}
public synchronized String getName() throws IOException {
if (fromCategory)
return name;
return getRte().getName();
}
public synchronized String getDescription() throws IOException {
if (fromCategory)
return description;
return getRte().getDesc();
}
public synchronized String getCreator() throws IOException {
if (fromCategory)
return creator;
return getRte().getSrc();
}
private String getRteLinkHref() throws IOException {
RteType rte = getRte();
return rte != null ? rte.getLink().get(0).getHref() : null;
}
public URL getDataUrl() throws IOException {
String rteLinkHref = getRteLinkHref();
return rteLinkHref != null ? new URL(rteLinkHref) : null;
}
public void update(Category parent, String description) throws IOException {
getCatalog().updateRoute(parent.getUrl(), getUrl(), description, getRteLinkHref());
invalidate();
((RemoteCategory)parent).invalidate();
}
public void delete() throws IOException {
getCatalog().deleteRoute(getUrl());
getCatalog().deleteFile(getRteLinkHref());
invalidate();
}
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RemoteRoute route = (RemoteRoute) o;
return category.equals(route.category) && getUrl().equals(route.getUrl());
}
public int hashCode() {
int result;
result = category.hashCode();
result = 31 * result + getUrl().hashCode();
return result;
}
public String toString() {
return getClass().getSimpleName() + "[category=" + category + ", url=" + url +
", name=" + name + ", creator=" + creator + ", description=" + description +
", fromCategory=" + fromCategory + "]";
}
}