Don't require capabilities on home sets that MAY not be available on these collections (fixes #289)

src/at/bitfire/davdroid/resource/DavResourceFinder.java

@@ -1,4 +1,4 @@
-package at.bitfire.davdroid.syncadapter;
+package at.bitfire.davdroid.resource;
 
 import java.io.IOException;
 import java.net.URI;
@@ -40,7 +40,7 @@ public class DavResourceFinder {
 				Log.i(TAG, "Found address book home set: " + pathAddressBooks);
 			
 				WebDavResource homeSetAddressBooks = new WebDavResource(principal, pathAddressBooks);
-				if (checkCapabilities(homeSetAddressBooks, "addressbook")) {
+				if (checkHomesetCapabilities(homeSetAddressBooks, "addressbook")) {
 					homeSetAddressBooks.propfind(Mode.CARDDAV_COLLECTIONS);
 					
 					List<ServerInfo.ResourceInfo> addressBooks = new LinkedList<ServerInfo.ResourceInfo>();
@@ -80,7 +80,7 @@ public class DavResourceFinder {
 				Log.i(TAG, "Found calendar home set: " + pathCalendars);
 			
 				WebDavResource homeSetCalendars = new WebDavResource(principal, pathCalendars);
-				if (checkCapabilities(homeSetCalendars, "calendar-access")) {
+				if (checkHomesetCapabilities(homeSetCalendars, "calendar-access")) {
 					homeSetCalendars.propfind(Mode.CALDAV_COLLECTIONS);
 					
 					List<ServerInfo.ResourceInfo> calendars = new LinkedList<ServerInfo.ResourceInfo>();
@@ -147,16 +147,12 @@ public class DavResourceFinder {
 		return null;
 	}
 	
-	private static boolean checkCapabilities(WebDavResource resource, String davCapability) throws IOException {
+	private static boolean checkHomesetCapabilities(WebDavResource resource, String davCapability) throws IOException {
 		// check for necessary capabilities
 		try {
 			resource.options();
 			if (resource.supportsDAV(davCapability) &&
-				resource.supportsMethod("PROPFIND") &&
-				resource.supportsMethod("GET") &&
-				resource.supportsMethod("REPORT") &&
-				resource.supportsMethod("PUT") &&
-				resource.supportsMethod("DELETE"))
+				resource.supportsMethod("PROPFIND"))		// check only for methods that MUST be available for home sets
 				return true;
 		} catch(HttpException e) {
 			// for instance, 405 Method not allowed

src/at/bitfire/davdroid/resource/LocalCalendar.java

@@ -60,7 +60,6 @@ import android.provider.CalendarContract.Events;
 import android.provider.CalendarContract.Reminders;
 import android.provider.ContactsContract;
 import android.util.Log;
-import at.bitfire.davdroid.syncadapter.ServerInfo;
 
 /**
  * Represents a locally stored calendar, containing Events.

src/at/bitfire/davdroid/resource/ServerInfo.java

@@ -5,7 +5,7 @@
  * which accompanies this distribution, and is available at
  * http://www.gnu.org/licenses/gpl.html
  ******************************************************************************/
-package at.bitfire.davdroid.syncadapter;
+package at.bitfire.davdroid.resource;
 
 import java.io.Serializable;
 import java.util.LinkedList;

src/at/bitfire/davdroid/syncadapter/AccountDetailsFragment.java

@@ -29,6 +29,7 @@ import at.bitfire.davdroid.Constants;
 import at.bitfire.davdroid.R;
 import at.bitfire.davdroid.resource.LocalCalendar;
 import at.bitfire.davdroid.resource.LocalStorageException;
+import at.bitfire.davdroid.resource.ServerInfo;
 
 public class AccountDetailsFragment extends Fragment implements TextWatcher {
 	public static final String KEY_SERVER_INFO = "server_info";

src/at/bitfire/davdroid/syncadapter/AccountSettings.java

@@ -23,6 +23,7 @@ import android.os.Bundle;
 import android.provider.CalendarContract;
 import android.provider.CalendarContract.Calendars;
 import android.util.Log;
+import at.bitfire.davdroid.resource.ServerInfo;
 import ezvcard.VCardVersion;
 
 public class AccountSettings {

src/at/bitfire/davdroid/syncadapter/QueryServerDialogFragment.java

@@ -23,6 +23,8 @@ import android.view.ViewGroup;
 import android.widget.ProgressBar;
 import android.widget.Toast;
 import at.bitfire.davdroid.R;
+import at.bitfire.davdroid.resource.DavResourceFinder;
+import at.bitfire.davdroid.resource.ServerInfo;
 import at.bitfire.davdroid.webdav.DavException;
 import ch.boye.httpclientandroidlib.HttpException;
 

src/at/bitfire/davdroid/syncadapter/SelectCollectionsAdapter.java

@@ -17,6 +17,7 @@ import android.widget.BaseAdapter;
 import android.widget.CheckedTextView;
 import android.widget.ListAdapter;
 import at.bitfire.davdroid.R;
+import at.bitfire.davdroid.resource.ServerInfo;
 
 public class SelectCollectionsAdapter extends BaseAdapter implements ListAdapter {
 	final static int TYPE_ADDRESS_BOOKS_HEADING = 0,

src/at/bitfire/davdroid/syncadapter/SelectCollectionsFragment.java

@@ -20,6 +20,7 @@ import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ListAdapter;
 import android.widget.ListView;
 import at.bitfire.davdroid.R;
+import at.bitfire.davdroid.resource.ServerInfo;
 
 public class SelectCollectionsFragment extends ListFragment {
 	public static final String KEY_SERVER_INFO = "server_info";

test/src/at/bitfire/davdroid/syncadapter/DavResourceFinderTest.java

@@ -4,7 +4,9 @@ import java.util.List;
 
 import ezvcard.VCardVersion;
 import android.test.InstrumentationTestCase;
-import at.bitfire.davdroid.syncadapter.ServerInfo.ResourceInfo;
+import at.bitfire.davdroid.resource.DavResourceFinder;
+import at.bitfire.davdroid.resource.ServerInfo;
+import at.bitfire.davdroid.resource.ServerInfo.ResourceInfo;
 import at.bitfire.davdroid.test.Constants;
 
 public class DavResourceFinderTest extends InstrumentationTestCase {