better vcard parsing error logging, always append trailing slash to collection URLs

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

@@ -133,7 +133,8 @@ public class Contact extends Resource {
 			if (vcard == null)
 				return;
 		} catch(Exception ex) {
-			throw new ParserException("VCard parser crashed", -1);
+			Log.e(TAG, "VCard parser exception", ex);
+			throw new ParserException("VCard parser crashed", -1, ex);
 		}
 		
 		Uid uid = (Uid)vcard.getProperty(Id.UID);

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

@@ -83,7 +83,7 @@ public abstract class RemoteCollection<ResourceType extends Resource> {
 					resource.parseEntity(member.getContent());
 					foundResources.add(resource);
 				} catch (ParserException ex) {
-					Log.e(TAG, "Ignoring unparseable entity in multi-response: " + ex.toString(), ex);
+					Log.e(TAG, "Ignoring unparseable entity in multi-response", ex);
 				}
 			}
 			return foundResources.toArray(new Resource[0]);

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

@@ -103,7 +103,6 @@ public class EnterCredentialsFragment extends Fragment implements TextWatcher {
 		FragmentTransaction ft = getFragmentManager().beginTransaction();
 		
 		String host_path = editBaseURL.getText().toString();
-		if (!host_path.endsWith("/")) host_path = host_path + "/";
 		
 		Bundle args = new Bundle();
 		args.putString(QueryServerDialogFragment.EXTRA_BASE_URL, protocol + host_path);

src/at/bitfire/davdroid/webdav/WebDavCollection.java

@@ -43,8 +43,8 @@ public class WebDavCollection extends WebDavResource {
 	@Getter protected List<WebDavResource> members = new LinkedList<WebDavResource>();
 
 	
-	public WebDavCollection(URI baseURL, String username, String password, boolean preemptiveAuth) {
-		super(baseURL, username, password, preemptiveAuth);
+	public WebDavCollection(URI baseURL, String username, String password, boolean preemptiveAuth) throws URISyntaxException {
+		super(baseURL, username, password, preemptiveAuth, true);
 	}
 	
 	public WebDavCollection(WebDavCollection parent, URI member) {

src/at/bitfire/davdroid/webdav/WebDavResource.java

@@ -10,6 +10,7 @@ package at.bitfire.davdroid.webdav;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URI;
+import java.net.URISyntaxException;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -64,9 +65,12 @@ public class WebDavResource {
 	protected DefaultHttpClient client;
 	
 	
-	public WebDavResource(URI baseURL, String username, String password, boolean preemptive) {
+	public WebDavResource(URI baseURL, String username, String password, boolean preemptive, boolean isCollection) throws URISyntaxException {
 		location = baseURL.normalize();
 		
+		if (isCollection && !location.getPath().endsWith("/"))
+			location = new URI(location.getScheme(), location.getSchemeSpecificPart() + "/", null);
+		
 		client = new DefaultHttpClient();
 		client.getCredentialsProvider().setCredentials(new AuthScope(location.getHost(), location.getPort()),
 				new UsernamePasswordCredentials(username, password));