app/src/main/java/com/google/reviewit/ServerSettingsFragment.java - apps/reviewit - Git at Google

 // Copyright (C) 2016 The Android Open Source Project
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 // http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 package com.google.reviewit;

 import android.app.AlertDialog;
 import android.app.Fragment;
 import android.content.ClipData;
 import android.content.ClipDescription;
 import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.LayoutRes;
 import android.text.Editable;
 import android.text.Html;
 import android.text.TextWatcher;
 import android.text.method.LinkMovementMethod;
 import android.util.Log;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.ArrayAdapter;
 import android.widget.AutoCompleteTextView;
 import android.widget.EditText;
 import android.widget.TextView;

 import com.google.common.base.Strings;
 import com.google.gerrit.extensions.api.GerritApi;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.reviewit.app.ConfigManager;
 import com.google.reviewit.app.Preferences;
 import com.google.reviewit.app.QueryConfig;
 import com.google.reviewit.app.ServerConfig;
 import com.google.reviewit.util.FormatUtil;
 import com.google.reviewit.util.WidgetUtil;
 import com.urswolfer.gerrit.client.rest.GerritAuthData;
 import com.urswolfer.gerrit.client.rest.GerritRestApiFactory;
 import com.urswolfer.gerrit.client.rest.http.HttpStatusException;

 import java.net.MalformedURLException;
 import java.net.URL;

 import static com.google.reviewit.util.WidgetUtil.setGone;
 import static com.google.reviewit.util.WidgetUtil.setInvisible;
 import static com.google.reviewit.util.WidgetUtil.setVisible;

 public class ServerSettingsFragment extends BaseFragment {
   private static final String TAG = ServerSettingsFragment.class.getName();
   private static final String ORIGIN =
       "com.google.reviewit.ServerSettingsFragment.ORIGIN";
   private static final String SERVER_ID =
       "com.google.reviewit.ServerSettingsFragment.SERVER_ID";

   public static ServerSettingsFragment create(
       Class<? extends Fragment> origin) {
     ServerSettingsFragment fragment = new ServerSettingsFragment();
     Bundle bundle = new Bundle();
     bundle.putSerializable(ORIGIN, origin);
     fragment.setArguments(bundle);
     return fragment;
   }

   public static ServerSettingsFragment create(
       Class<? extends Fragment> origin, String serverId) {
     ServerSettingsFragment fragment = new ServerSettingsFragment();
     Bundle bundle = new Bundle();
     bundle.putSerializable(ORIGIN, origin);
     bundle.putString(SERVER_ID, serverId);
     fragment.setArguments(bundle);
     return fragment;
   }

   @Override
   protected @LayoutRes int getLayout() {
     return R.layout.content_server_settings;
   }

   @Override
   public void onActivityCreated(Bundle savedInstanceState) {
     super.onActivityCreated(savedInstanceState);

     init();
     String serverId = getArguments() != null
         ? getArguments().getString(SERVER_ID)
         : null;
     displayServerConfig(serverId != null ? getApp().getConfigManager()
         .getServerConfig(serverId) : null);
   }

   private void displayServerConfig(ServerConfig cfg) {
     if (cfg != null) {
       WidgetUtil.setText(v(R.id.idInput), cfg.id);
       WidgetUtil.setText(v(R.id.nameInput), cfg.name);
       WidgetUtil.setText(v(R.id.urlInput), cfg.url);
       WidgetUtil.setText(v(R.id.userInput), cfg.user);
       WidgetUtil.setText(v(R.id.passwordInput), cfg.password);

       displayCredentialsInfo(cfg.url);
     } else {
       WidgetUtil.setText(v(R.id.idInput), "");
       WidgetUtil.setText(v(R.id.nameInput), "");
       WidgetUtil.setText(v(R.id.urlInput), "");
       WidgetUtil.setText(v(R.id.userInput), "");
       WidgetUtil.setText(v(R.id.passwordInput), "");

       displayCredentialsInfo(null);
     }
   }

   private void init() {
     final AutoCompleteTextView urlInput =
         (AutoCompleteTextView) v(R.id.urlInput);
     ArrayAdapter<String> adapter =
         new ArrayAdapter<>(getContext(), android.R.layout.simple_list_item_1,
             getResources().getStringArray(R.array.urls));
     urlInput.setAdapter(adapter);

     v(R.id.pasteCredentialsButton).setOnClickListener(
         new View.OnClickListener() {
           @Override
           public void onClick(View v) {
             ClipboardManager clipboard = (ClipboardManager) getActivity()
                 .getSystemService(Context.CLIPBOARD_SERVICE);
             if (clipboard.hasPrimaryClip()
                 && clipboard.getPrimaryClipDescription().hasMimeType(
                 ClipDescription.MIMETYPE_TEXT_PLAIN)) {
               ClipData.Item item = clipboard.getPrimaryClip().getItemAt(0);
               String pasteData = item.getText().toString();
               if (!pasteData.contains("/.gitcookies")) {
                 return;
               }

               pasteData = pasteData.substring(pasteData.indexOf("/.gitcookies"));
               pasteData = pasteData.substring(pasteData.lastIndexOf(",") + 1);
               int pos = pasteData.indexOf("=");
               String user = pasteData.substring(0, pos);
               pasteData = pasteData.substring(pos + 1);
               String password = pasteData.substring(0, pasteData.indexOf("\n"));
               WidgetUtil.setText(v(R.id.userInput), user);
               WidgetUtil.setText(v(R.id.passwordInput), password);

               // hide keyboard if it is open
               View view = getActivity().getCurrentFocus();
               if (view != null) {
                 ((InputMethodManager) getActivity().getSystemService(
                     Context.INPUT_METHOD_SERVICE))
                         .hideSoftInputFromWindow(view.getWindowToken(), 0);
               }
             }
           }
         });

     ((EditText) v(R.id.urlInput)).addTextChangedListener(new TextWatcher() {
       @Override
       public void beforeTextChanged(
           CharSequence s, int start, int count, int after) {
       }

       @Override
       public void onTextChanged(
           CharSequence s, int start, int before, int count) {
       }

       @Override
       public void afterTextChanged(Editable s) {
         if (Strings.isNullOrEmpty(textOf(R.id.nameInput))) {
           try {
             String host = new URL(s.toString()).getHost();
             int pos = host.indexOf(".");
             WidgetUtil.setText(v(R.id.nameInput),
                 pos > 0
                     ? host.substring(0, pos)
                     : host);
           } catch (MalformedURLException e) {
             // ignore
           }
         }
         displayCredentialsInfo(s.toString());
       }
     });

     v(R.id.saveServerSettings).setOnClickListener(new View.OnClickListener() {
       @Override
       public void onClick(View v) {
         enabledForm(false);

         if (!isServerInputComplete()) {
           widgetUtil.showError(R.string.incompleteInput);
           enabledForm(true);
           return;
         }

         if (!isUrlValid()) {
           widgetUtil.showError(R.string.invalidUrl);
           enabledForm(true);
           return;
         }

         if (!hasUniqueName()) {
           widgetUtil.showError(
               getString(R.string.duplicate_server_name, textOf(R.id.nameInput)));
           enabledForm(true);
           return;
         }

         setVisible(
             v(R.id.statusTestConnection, R.id.statusTestConnectionProgress));
         WidgetUtil.setText(v(R.id.statusTestConnectionText), null);
         new AsyncTask<Void, Void, String>() {
           private TextView status;
           private View statusTestConnectionProgress;
           private View statusTestConnection;

           @Override
           protected void onPreExecute() {
             super.onPreExecute();
             status = tv(R.id.statusTestConnectionText);
             statusTestConnectionProgress = v(R.id.statusTestConnectionProgress);
             statusTestConnection = v(R.id.statusTestConnection);
           }

           @Override
           protected String doInBackground(Void... v) {
             return testConnection();
           }

           protected void onPostExecute(String errorMsg) {
             if (errorMsg != null) {
               enabledForm(true);
               status.setTextColor(widgetUtil.color(R.color.statusFailed));
               status.setText(getString(R.string.test_server_connection_failed));
               setInvisible(statusTestConnectionProgress);
               new AlertDialog.Builder(getContext())
                   .setTitle(getString(R.string.error_title))
                   .setMessage(getString(R.string.connection_failed, errorMsg))
                   .setPositiveButton(android.R.string.ok,
                       new DialogInterface.OnClickListener() {
                         public void onClick(DialogInterface dialog, int which) {
                           // do nothing
                         }
                       }).setNegativeButton(getString(R.string.save_anyway),
                   new DialogInterface.OnClickListener() {
                     public void onClick(DialogInterface dialog, int which) {
                       setGone(statusTestConnection);
                       onServerSave(saveServerSettings());
                     }
                   }).setIcon(android.R.drawable.ic_dialog_alert).show();
             } else {
               status.setTextColor(widgetUtil.color(R.color.statusOk));
               status.setText(getString(R.string.test_server_connection_ok));
               setGone(statusTestConnection);
               onServerSave(saveServerSettings());
             }
           }
         }.execute();
       }
     });

     enabledForm(true);
     setGone(v(R.id.statusTestConnection));
   }

   private void enabledForm(boolean enable) {
     v(R.id.urlInput).setEnabled(enable);
     v(R.id.nameInput).setEnabled(enable);
     v(R.id.pasteCredentialsButton).setEnabled(enable);
     v(R.id.userInput).setEnabled(enable);
     v(R.id.passwordInput).setEnabled(enable);
     v(R.id.saveServerSettings).setEnabled(enable);
   }

   private boolean isServerInputComplete() {
     return !Strings.isNullOrEmpty(textOf(R.id.urlInput))
         && !Strings.isNullOrEmpty(textOf(R.id.nameInput))
         && !Strings.isNullOrEmpty(textOf(R.id.userInput))
         && !Strings.isNullOrEmpty(textOf(R.id.passwordInput));
   }

   private boolean isUrlValid() {
     try {
       new URL(textOf(R.id.urlInput));
       return true;
     } catch (MalformedURLException e) {
       return false;
     }
   }

   private boolean hasUniqueName() {
     if (!Strings.isNullOrEmpty(textOf(R.id.idInput))) {
       // update of existing entry
       return true;
     }

     ServerConfig otherCfg =
         getApp().getConfigManager().getServerByName(textOf(R.id.nameInput));
     return otherCfg == null;
   }

   private String testConnection() {
     GerritApi api = new GerritRestApiFactory().create(
         new GerritAuthData.Basic(
             textOf(R.id.urlInput),
             textOf(R.id.userInput),
             textOf(R.id.passwordInput)));
     try {
       api.changes().query().withLimit(1).get();

       String version = api.config().server().getVersion();
       Log.i(TAG, "version of " + textOf(R.id.nameInput) + ": " + version);
       // TODO check server version (server must support labeled stars and
       // run notedb)
       return null;
     } catch (HttpStatusException e) {
       return e.getStatusCode() + " " + e.getStatusText();
     } catch (RestApiException e) {
       // server not reachable
       Log.e(TAG, "Request failed", e);
       if (e.getCause() != null) {
         return getString(R.string.error_with_cause, e.getMessage(),
             e.getCause().getMessage());
       } else {
         return e.getMessage();
       }
     }
   }

   private void onServerSave(String serverId) {
     if (getArguments().get(ORIGIN).equals(IntroFragment2.class)) {
       ConfigManager cfgManager = getApp().getConfigManager();
       cfgManager.setQueryConfig(
           new QueryConfig.Builder(cfgManager.getQueryConfig())
               .setServerId(serverId)
               .build());
       getApp().getPrefManager().setPreferences(
           new Preferences.Builder(getApp().getPrefManager().getPreferences())
               .setShowIntro(false)
               .build());
       startActivity(new Intent(getContext(), MainActivity.class));
     } else {
       display(ServerListFragment.class);
     }
   }

   private void displayCredentialsInfo(String url) {
     if (Strings.isNullOrEmpty(url)) {
       setGone(v(R.id.crendentialsInfo, R.id.credentialsInfoText,
           R.id.pasteCredentialsButton));
       return;
     }

     TextView credentialsInfo = (TextView) v(R.id.credentialsInfoText);
     credentialsInfo.setMovementMethod(LinkMovementMethod.getInstance());
     url = FormatUtil.ensureSlash(url);

     String host;
     try {
       host = new URL(url).getHost();
     } catch (MalformedURLException e) {
       setGone(v(R.id.crendentialsInfo, R.id.credentialsInfoText,
           R.id.pasteCredentialsButton));
       return;
     }

     if (host.endsWith(".googlesource.com")) {
       url += "new-password";
       credentialsInfo.setText(Html.fromHtml(
           getString(R.string.credentials_info_googlesource,
               createLink(url, getString(R.string.googlesource_obtain_password)))));
       setVisible(v(R.id.crendentialsInfo, R.id.credentialsInfoText,
           R.id.pasteCredentialsButton));
     } else {
       url += "#/settings/http-password";
       credentialsInfo.setText(Html.fromHtml(
           getString(R.string.credentials_info,
               createLink(url, getString(R.string.http_password)))));
       setGone(v(R.id.pasteCredentialsButton));
       setVisible(v(R.id.crendentialsInfo, R.id.credentialsInfoText));
     }
   }

   private String createLink(String url, String text) {
     return "<a href=\"" + url + "\">" + text + "</a>";
   }

   private String saveServerSettings() {
     return getApp().getConfigManager().setServerConfig(
         new ServerConfig.Builder()
             .setId(textOf(R.id.idInput))
             .setName(textOf(R.id.nameInput))
             .setUrl(textOf(R.id.urlInput))
             .setUser(textOf(R.id.userInput))
             .setPassword(textOf(R.id.passwordInput))
             .build());
   }
 }
	// Copyright (C) 2016 The Android Open Source Project
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// http://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	package com.google.reviewit;

	import android.app.AlertDialog;
	import android.app.Fragment;
	import android.content.ClipData;
	import android.content.ClipDescription;
	import android.content.ClipboardManager;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.os.AsyncTask;
	import android.os.Bundle;
	import android.support.annotation.LayoutRes;
	import android.text.Editable;
	import android.text.Html;
	import android.text.TextWatcher;
	import android.text.method.LinkMovementMethod;
	import android.util.Log;
	import android.view.View;
	import android.view.inputmethod.InputMethodManager;
	import android.widget.ArrayAdapter;
	import android.widget.AutoCompleteTextView;
	import android.widget.EditText;
	import android.widget.TextView;

	import com.google.common.base.Strings;
	import com.google.gerrit.extensions.api.GerritApi;
	import com.google.gerrit.extensions.restapi.RestApiException;
	import com.google.reviewit.app.ConfigManager;
	import com.google.reviewit.app.Preferences;
	import com.google.reviewit.app.QueryConfig;
	import com.google.reviewit.app.ServerConfig;
	import com.google.reviewit.util.FormatUtil;
	import com.google.reviewit.util.WidgetUtil;
	import com.urswolfer.gerrit.client.rest.GerritAuthData;
	import com.urswolfer.gerrit.client.rest.GerritRestApiFactory;
	import com.urswolfer.gerrit.client.rest.http.HttpStatusException;

	import java.net.MalformedURLException;
	import java.net.URL;

	import static com.google.reviewit.util.WidgetUtil.setGone;
	import static com.google.reviewit.util.WidgetUtil.setInvisible;
	import static com.google.reviewit.util.WidgetUtil.setVisible;

	public class ServerSettingsFragment extends BaseFragment {
	private static final String TAG = ServerSettingsFragment.class.getName();
	private static final String ORIGIN =
	"com.google.reviewit.ServerSettingsFragment.ORIGIN";
	private static final String SERVER_ID =
	"com.google.reviewit.ServerSettingsFragment.SERVER_ID";

	public static ServerSettingsFragment create(
	Class<? extends Fragment> origin) {
	ServerSettingsFragment fragment = new ServerSettingsFragment();
	Bundle bundle = new Bundle();
	bundle.putSerializable(ORIGIN, origin);
	fragment.setArguments(bundle);
	return fragment;
	}

	public static ServerSettingsFragment create(
	Class<? extends Fragment> origin, String serverId) {
	ServerSettingsFragment fragment = new ServerSettingsFragment();
	Bundle bundle = new Bundle();
	bundle.putSerializable(ORIGIN, origin);
	bundle.putString(SERVER_ID, serverId);
	fragment.setArguments(bundle);
	return fragment;
	}

	@Override
	protected @LayoutRes int getLayout() {
	return R.layout.content_server_settings;
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
	super.onActivityCreated(savedInstanceState);

	init();
	String serverId = getArguments() != null
	? getArguments().getString(SERVER_ID)
	: null;
	displayServerConfig(serverId != null ? getApp().getConfigManager()
	.getServerConfig(serverId) : null);
	}

	private void displayServerConfig(ServerConfig cfg) {
	if (cfg != null) {
	WidgetUtil.setText(v(R.id.idInput), cfg.id);
	WidgetUtil.setText(v(R.id.nameInput), cfg.name);
	WidgetUtil.setText(v(R.id.urlInput), cfg.url);
	WidgetUtil.setText(v(R.id.userInput), cfg.user);
	WidgetUtil.setText(v(R.id.passwordInput), cfg.password);

	displayCredentialsInfo(cfg.url);
	} else {
	WidgetUtil.setText(v(R.id.idInput), "");
	WidgetUtil.setText(v(R.id.nameInput), "");
	WidgetUtil.setText(v(R.id.urlInput), "");
	WidgetUtil.setText(v(R.id.userInput), "");
	WidgetUtil.setText(v(R.id.passwordInput), "");

	displayCredentialsInfo(null);
	}
	}

	private void init() {
	final AutoCompleteTextView urlInput =
	(AutoCompleteTextView) v(R.id.urlInput);
	ArrayAdapter<String> adapter =
	new ArrayAdapter<>(getContext(), android.R.layout.simple_list_item_1,
	getResources().getStringArray(R.array.urls));
	urlInput.setAdapter(adapter);

	v(R.id.pasteCredentialsButton).setOnClickListener(
	new View.OnClickListener() {
	@Override
	public void onClick(View v) {
	ClipboardManager clipboard = (ClipboardManager) getActivity()
	.getSystemService(Context.CLIPBOARD_SERVICE);
	if (clipboard.hasPrimaryClip()
	&& clipboard.getPrimaryClipDescription().hasMimeType(
	ClipDescription.MIMETYPE_TEXT_PLAIN)) {
	ClipData.Item item = clipboard.getPrimaryClip().getItemAt(0);
	String pasteData = item.getText().toString();
	if (!pasteData.contains("/.gitcookies")) {
	return;
	}

	pasteData = pasteData.substring(pasteData.indexOf("/.gitcookies"));
	pasteData = pasteData.substring(pasteData.lastIndexOf(",") + 1);
	int pos = pasteData.indexOf("=");
	String user = pasteData.substring(0, pos);
	pasteData = pasteData.substring(pos + 1);
	String password = pasteData.substring(0, pasteData.indexOf("\n"));
	WidgetUtil.setText(v(R.id.userInput), user);
	WidgetUtil.setText(v(R.id.passwordInput), password);

	// hide keyboard if it is open
	View view = getActivity().getCurrentFocus();
	if (view != null) {
	((InputMethodManager) getActivity().getSystemService(
	Context.INPUT_METHOD_SERVICE))
	.hideSoftInputFromWindow(view.getWindowToken(), 0);
	}
	}
	}
	});

	((EditText) v(R.id.urlInput)).addTextChangedListener(new TextWatcher() {
	@Override
	public void beforeTextChanged(
	CharSequence s, int start, int count, int after) {
	}

	@Override
	public void onTextChanged(
	CharSequence s, int start, int before, int count) {
	}

	@Override
	public void afterTextChanged(Editable s) {
	if (Strings.isNullOrEmpty(textOf(R.id.nameInput))) {
	try {
	String host = new URL(s.toString()).getHost();
	int pos = host.indexOf(".");
	WidgetUtil.setText(v(R.id.nameInput),
	pos > 0
	? host.substring(0, pos)
	: host);
	} catch (MalformedURLException e) {
	// ignore
	}
	}
	displayCredentialsInfo(s.toString());
	}
	});

	v(R.id.saveServerSettings).setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View v) {
	enabledForm(false);

	if (!isServerInputComplete()) {
	widgetUtil.showError(R.string.incompleteInput);
	enabledForm(true);
	return;
	}

	if (!isUrlValid()) {
	widgetUtil.showError(R.string.invalidUrl);
	enabledForm(true);
	return;
	}

	if (!hasUniqueName()) {
	widgetUtil.showError(
	getString(R.string.duplicate_server_name, textOf(R.id.nameInput)));
	enabledForm(true);
	return;
	}

	setVisible(
	v(R.id.statusTestConnection, R.id.statusTestConnectionProgress));
	WidgetUtil.setText(v(R.id.statusTestConnectionText), null);
	new AsyncTask<Void, Void, String>() {
	private TextView status;
	private View statusTestConnectionProgress;
	private View statusTestConnection;

	@Override
	protected void onPreExecute() {
	super.onPreExecute();
	status = tv(R.id.statusTestConnectionText);
	statusTestConnectionProgress = v(R.id.statusTestConnectionProgress);
	statusTestConnection = v(R.id.statusTestConnection);
	}

	@Override
	protected String doInBackground(Void... v) {
	return testConnection();
	}

	protected void onPostExecute(String errorMsg) {
	if (errorMsg != null) {
	enabledForm(true);
	status.setTextColor(widgetUtil.color(R.color.statusFailed));
	status.setText(getString(R.string.test_server_connection_failed));
	setInvisible(statusTestConnectionProgress);
	new AlertDialog.Builder(getContext())
	.setTitle(getString(R.string.error_title))
	.setMessage(getString(R.string.connection_failed, errorMsg))
	.setPositiveButton(android.R.string.ok,
	new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
	// do nothing
	}
	}).setNegativeButton(getString(R.string.save_anyway),
	new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
	setGone(statusTestConnection);
	onServerSave(saveServerSettings());
	}
	}).setIcon(android.R.drawable.ic_dialog_alert).show();
	} else {
	status.setTextColor(widgetUtil.color(R.color.statusOk));
	status.setText(getString(R.string.test_server_connection_ok));
	setGone(statusTestConnection);
	onServerSave(saveServerSettings());
	}
	}
	}.execute();
	}
	});

	enabledForm(true);
	setGone(v(R.id.statusTestConnection));
	}

	private void enabledForm(boolean enable) {
	v(R.id.urlInput).setEnabled(enable);
	v(R.id.nameInput).setEnabled(enable);
	v(R.id.pasteCredentialsButton).setEnabled(enable);
	v(R.id.userInput).setEnabled(enable);
	v(R.id.passwordInput).setEnabled(enable);
	v(R.id.saveServerSettings).setEnabled(enable);
	}

	private boolean isServerInputComplete() {
	return !Strings.isNullOrEmpty(textOf(R.id.urlInput))
	&& !Strings.isNullOrEmpty(textOf(R.id.nameInput))
	&& !Strings.isNullOrEmpty(textOf(R.id.userInput))
	&& !Strings.isNullOrEmpty(textOf(R.id.passwordInput));
	}

	private boolean isUrlValid() {
	try {
	new URL(textOf(R.id.urlInput));
	return true;
	} catch (MalformedURLException e) {
	return false;
	}
	}

	private boolean hasUniqueName() {
	if (!Strings.isNullOrEmpty(textOf(R.id.idInput))) {
	// update of existing entry
	return true;
	}

	ServerConfig otherCfg =
	getApp().getConfigManager().getServerByName(textOf(R.id.nameInput));
	return otherCfg == null;
	}

	private String testConnection() {
	GerritApi api = new GerritRestApiFactory().create(
	new GerritAuthData.Basic(
	textOf(R.id.urlInput),
	textOf(R.id.userInput),
	textOf(R.id.passwordInput)));
	try {
	api.changes().query().withLimit(1).get();

	String version = api.config().server().getVersion();
	Log.i(TAG, "version of " + textOf(R.id.nameInput) + ": " + version);
	// TODO check server version (server must support labeled stars and
	// run notedb)
	return null;
	} catch (HttpStatusException e) {
	return e.getStatusCode() + " " + e.getStatusText();
	} catch (RestApiException e) {
	// server not reachable
	Log.e(TAG, "Request failed", e);
	if (e.getCause() != null) {
	return getString(R.string.error_with_cause, e.getMessage(),
	e.getCause().getMessage());
	} else {
	return e.getMessage();
	}
	}
	}

	private void onServerSave(String serverId) {
	if (getArguments().get(ORIGIN).equals(IntroFragment2.class)) {
	ConfigManager cfgManager = getApp().getConfigManager();
	cfgManager.setQueryConfig(
	new QueryConfig.Builder(cfgManager.getQueryConfig())
	.setServerId(serverId)
	.build());
	getApp().getPrefManager().setPreferences(
	new Preferences.Builder(getApp().getPrefManager().getPreferences())
	.setShowIntro(false)
	.build());
	startActivity(new Intent(getContext(), MainActivity.class));
	} else {
	display(ServerListFragment.class);
	}
	}

	private void displayCredentialsInfo(String url) {
	if (Strings.isNullOrEmpty(url)) {
	setGone(v(R.id.crendentialsInfo, R.id.credentialsInfoText,
	R.id.pasteCredentialsButton));
	return;
	}

	TextView credentialsInfo = (TextView) v(R.id.credentialsInfoText);
	credentialsInfo.setMovementMethod(LinkMovementMethod.getInstance());
	url = FormatUtil.ensureSlash(url);

	String host;
	try {
	host = new URL(url).getHost();
	} catch (MalformedURLException e) {
	setGone(v(R.id.crendentialsInfo, R.id.credentialsInfoText,
	R.id.pasteCredentialsButton));
	return;
	}

	if (host.endsWith(".googlesource.com")) {
	url += "new-password";
	credentialsInfo.setText(Html.fromHtml(
	getString(R.string.credentials_info_googlesource,
	createLink(url, getString(R.string.googlesource_obtain_password)))));
	setVisible(v(R.id.crendentialsInfo, R.id.credentialsInfoText,
	R.id.pasteCredentialsButton));
	} else {
	url += "#/settings/http-password";
	credentialsInfo.setText(Html.fromHtml(
	getString(R.string.credentials_info,
	createLink(url, getString(R.string.http_password)))));
	setGone(v(R.id.pasteCredentialsButton));
	setVisible(v(R.id.crendentialsInfo, R.id.credentialsInfoText));
	}
	}

	private String createLink(String url, String text) {
	return "<a href=\"" + url + "\">" + text + "</a>";
	}

	private String saveServerSettings() {
	return getApp().getConfigManager().setServerConfig(
	new ServerConfig.Builder()
	.setId(textOf(R.id.idInput))
	.setName(textOf(R.id.nameInput))
	.setUrl(textOf(R.id.urlInput))
	.setUser(textOf(R.id.userInput))
	.setPassword(textOf(R.id.passwordInput))
	.build());
	}
	}