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mirror of https://github.com/etesync/android synced 2025-07-12 09:38:12 +00:00
etesync-android/src/at/bitfire/davdroid/syncadapter/QueryServerDialogFragment.java

221 lines
8.2 KiB
Java

/*******************************************************************************
* Copyright (c) 2013 Richard Hirner (bitfire web engineering).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
******************************************************************************/
package at.bitfire.davdroid.syncadapter;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.LinkedList;
import java.util.List;
import org.apache.http.HttpException;
import android.app.DialogFragment;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.AsyncTaskLoader;
import android.content.Context;
import android.content.Loader;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import android.widget.Toast;
import at.bitfire.davdroid.R;
import at.bitfire.davdroid.resource.IncapableResourceException;
import at.bitfire.davdroid.webdav.HttpPropfind.Mode;
import at.bitfire.davdroid.webdav.WebDavResource;
public class QueryServerDialogFragment extends DialogFragment implements LoaderCallbacks<ServerInfo> {
private static final String TAG = "davdroid.QueryServerDialogFragment";
public static final String
EXTRA_BASE_URL = "base_uri",
EXTRA_USER_NAME = "user_name",
EXTRA_PASSWORD = "password",
EXTRA_AUTH_PREEMPTIVE = "auth_preemptive";
ProgressBar progressBar;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setStyle(DialogFragment.STYLE_NO_TITLE, android.R.style.Theme_Holo_Light_Dialog);
setCancelable(false);
Loader<ServerInfo> loader = getLoaderManager().initLoader(0, getArguments(), this);
if (savedInstanceState == null) // http://code.google.com/p/android/issues/detail?id=14944
loader.forceLoad();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.query_server, container, false);
return v;
}
@Override
public Loader<ServerInfo> onCreateLoader(int id, Bundle args) {
Log.i(TAG, "onCreateLoader");
return new ServerInfoLoader(getActivity(), args);
}
@Override
public void onLoadFinished(Loader<ServerInfo> loader, ServerInfo serverInfo) {
if (serverInfo.getErrorMessage() != null)
Toast.makeText(getActivity(), serverInfo.getErrorMessage(), Toast.LENGTH_LONG).show();
else {
SelectCollectionsFragment selectCollections = new SelectCollectionsFragment();
Bundle arguments = new Bundle();
arguments.putSerializable(SelectCollectionsFragment.KEY_SERVER_INFO, serverInfo);
selectCollections.setArguments(arguments);
getFragmentManager().beginTransaction()
.replace(R.id.fragment_container, selectCollections)
.addToBackStack(null)
.commitAllowingStateLoss();
}
getDialog().dismiss();
}
@Override
public void onLoaderReset(Loader<ServerInfo> arg0) {
}
static class ServerInfoLoader extends AsyncTaskLoader<ServerInfo> {
private static final String TAG = "davdroid.ServerInfoLoader";
Bundle args;
public ServerInfoLoader(Context context, Bundle args) {
super(context);
this.args = args;
}
@Override
public ServerInfo loadInBackground() {
ServerInfo serverInfo = new ServerInfo(
args.getString(EXTRA_BASE_URL),
args.getString(EXTRA_USER_NAME),
args.getString(EXTRA_PASSWORD),
args.getBoolean(EXTRA_AUTH_PREEMPTIVE)
);
try {
// (1/5) detect capabilities
WebDavResource base = new WebDavResource(new URI(serverInfo.getBaseURL()), serverInfo.getUserName(),
serverInfo.getPassword(), serverInfo.isAuthPreemptive(), true);
base.options();
serverInfo.setCardDAV(base.supportsDAV("addressbook"));
serverInfo.setCalDAV(base.supportsDAV("calendar-access"));
if (!base.supportsMethod("PROPFIND") || !base.supportsMethod("REPORT") ||
(!serverInfo.isCalDAV() && !serverInfo.isCardDAV()))
throw new IncapableResourceException(getContext().getString(R.string.neither_caldav_nor_carddav));
// (2/5) get principal URL
base.propfind(Mode.CURRENT_USER_PRINCIPAL);
String principalPath = base.getCurrentUserPrincipal();
if (principalPath != null)
Log.i(TAG, "Found principal path: " + principalPath);
else
throw new IncapableResourceException(getContext().getString(R.string.error_principal_path));
// (3/5) get home sets
WebDavResource principal = new WebDavResource(base, principalPath);
principal.propfind(Mode.HOME_SETS);
String pathAddressBooks = null;
if (serverInfo.isCardDAV()) {
pathAddressBooks = principal.getAddressbookHomeSet();
if (pathAddressBooks != null)
Log.i(TAG, "Found address book home set: " + pathAddressBooks);
else
throw new IncapableResourceException(getContext().getString(R.string.error_home_set_address_books));
}
String pathCalendars = null;
if (serverInfo.isCalDAV()) {
pathCalendars = principal.getCalendarHomeSet();
if (pathCalendars != null)
Log.i(TAG, "Found calendar home set: " + pathCalendars);
else
throw new IncapableResourceException(getContext().getString(R.string.error_home_set_calendars));
}
// (4/5) get address books
if (serverInfo.isCardDAV()) {
WebDavResource homeSetAddressBooks = new WebDavResource(principal, pathAddressBooks, true);
homeSetAddressBooks.propfind(Mode.MEMBERS_COLLECTIONS);
List<ServerInfo.ResourceInfo> addressBooks = new LinkedList<ServerInfo.ResourceInfo>();
if (homeSetAddressBooks.getMembers() != null)
for (WebDavResource resource : homeSetAddressBooks.getMembers())
if (resource.isAddressBook()) {
Log.i(TAG, "Found address book: " + resource.getLocation().getRawPath());
ServerInfo.ResourceInfo info = new ServerInfo.ResourceInfo(
ServerInfo.ResourceInfo.Type.ADDRESS_BOOK,
resource.getLocation().getRawPath(),
resource.getDisplayName(),
resource.getDescription(), resource.getColor()
);
addressBooks.add(info);
}
serverInfo.setAddressBooks(addressBooks);
}
// (5/5) get calendars
if (serverInfo.isCalDAV()) {
WebDavResource homeSetCalendars = new WebDavResource(principal, pathCalendars, true);
homeSetCalendars.propfind(Mode.MEMBERS_COLLECTIONS);
List<ServerInfo.ResourceInfo> calendars = new LinkedList<ServerInfo.ResourceInfo>();
if (homeSetCalendars.getMembers() != null)
for (WebDavResource resource : homeSetCalendars.getMembers())
if (resource.isCalendar()) {
Log.i(TAG, "Found calendar: " + resource.getLocation().getRawPath());
if (resource.getSupportedComponents() != null) {
// CALDAV:supported-calendar-component-set available
boolean supportsEvents = false;
for (String supportedComponent : resource.getSupportedComponents())
if (supportedComponent.equalsIgnoreCase("VEVENT"))
supportsEvents = true;
if (!supportsEvents) // ignore collections without VEVENT support
continue;
}
ServerInfo.ResourceInfo info = new ServerInfo.ResourceInfo(
ServerInfo.ResourceInfo.Type.CALENDAR,
resource.getLocation().getRawPath(),
resource.getDisplayName(),
resource.getDescription(), resource.getColor()
);
info.setTimezone(resource.getTimezone());
calendars.add(info);
}
serverInfo.setCalendars(calendars);
}
} catch (URISyntaxException e) {
serverInfo.setErrorMessage(getContext().getString(R.string.exception_uri_syntax, e.getMessage()));
} catch (IOException e) {
serverInfo.setErrorMessage(getContext().getString(R.string.exception_io, e.getLocalizedMessage()));
} catch (HttpException e) {
serverInfo.setErrorMessage(getContext().getString(R.string.exception_http, e.getLocalizedMessage()));
} catch (IncapableResourceException e) {
serverInfo.setErrorMessage(getContext().getString(R.string.exception_incapable_resource, e.getLocalizedMessage()));
}
return serverInfo;
}
}
}