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package cgeo.geocaching.connector.oc;
import cgeo.geocaching.Geocache;
import cgeo.geocaching.cgData;
import cgeo.geocaching.connector.ConnectorFactory;
import cgeo.geocaching.connector.IConnector;
import cgeo.geocaching.enumerations.LoadFlags;
import cgeo.geocaching.geopoint.Geopoint;
import cgeo.geocaching.geopoint.GeopointFormatter;
import cgeo.geocaching.network.Network;
import cgeo.geocaching.network.Parameters;
import cgeo.geocaching.utils.Log;
import ch.boye.httpclientandroidlib.HttpResponse;
import org.apache.commons.lang3.StringUtils;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.Collections;
import java.util.Locale;
import java.util.zip.GZIPInputStream;
public class OCXMLClient {
private static final String SERVICE_CACHE = "/xml/ocxml11.php";
// Url for single cache requests
// http://www.opencaching.de/xml/ocxml11.php?modifiedsince=20060320000000&user=0&cache=1&cachedesc=1&cachelog=1&picture=1&removedobject=0&session=0&doctype=0&charset=utf-8&wp=OCC9BE
public static Geocache getCache(final String geoCode) {
try {
final Parameters params = getOCXmlQueryParameters(true, true, true);
params.put("wp", geoCode);
final InputStream data = request(ConnectorFactory.getConnector(geoCode), SERVICE_CACHE, params);
if (data == null) {
return null;
}
Collection<Geocache> caches = OC11XMLParser.parseCaches(new GZIPInputStream(data));
if (caches.iterator().hasNext()) {
Geocache cache = caches.iterator().next();
cgData.saveCache(cache, LoadFlags.SAVE_ALL);
return cache;
}
return null;
} catch (IOException e) {
Log.e("Error parsing cache '" + geoCode + "'", e);
return null;
}
}
public static Collection<Geocache> getCachesAround(final Geopoint center, final double distance) {
try {
final Parameters params = getOCXmlQueryParameters(false, false, false);
params.put("lat", GeopointFormatter.format(GeopointFormatter.Format.LAT_DECDEGREE_RAW, center));
params.put("lon", GeopointFormatter.format(GeopointFormatter.Format.LON_DECDEGREE_RAW, center));
params.put("distance", String.format(Locale.US, "%f", distance));
final InputStream data = request(ConnectorFactory.getConnector("OCXXX"), SERVICE_CACHE, params);
if (data == null) {
return Collections.emptyList();
}
return OC11XMLParser.parseCachesFiltered(new GZIPInputStream(data));
} catch (IOException e) {
Log.e("Error parsing nearby search result", e);
return Collections.emptyList();
}
}
private static InputStream request(final IConnector connector, final String service, final Parameters params) {
if (connector == null) {
return null;
}
if (!(connector instanceof OCXMLApiConnector)) {
return null;
}
final String host = connector.getHost();
if (StringUtils.isBlank(host)) {
return null;
}
final String uri = "http://" + host + service;
HttpResponse resp = Network.getRequest(uri, params);
if (resp != null) {
try {
return resp.getEntity().getContent();
} catch (IllegalStateException e) {
// fall through and return null
} catch (IOException e) {
// fall through and return null
}
}
return null;
}
private static Parameters getOCXmlQueryParameters(final boolean withDescription, final boolean withLogs, final boolean withImages) {
return new Parameters("modifiedsince", "20000101000000",
"user", "0",
"cache", "1",
"cachedesc", withDescription ? "1" : "0",
"cachelog", withLogs ? "1" : "0",
"picture", withImages ? "1" : "0",
"removedobject", "0",
"session", "0",
"doctype", "0",
"charset", "utf-8",
"zip", "gzip",
"picturefromcachelog", withImages ? "1" : "0");
}
}
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