plugins/org.argeo.slc.client.ui.dist/src/main/java/org/argeo/slc/client/ui/dist/wizards/RegisterRepoWizard.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.slc.client.ui.dist.wizards;
  17
  18 import java.net.URI;
  19 import java.util.Hashtable;
  20
  21 import javax.jcr.Node;
  22 import javax.jcr.NodeIterator;
  23 import javax.jcr.Property;
  24 import javax.jcr.Repository;
  25 import javax.jcr.RepositoryFactory;
  26 import javax.jcr.Session;
  27 import javax.jcr.SimpleCredentials;
  28 import javax.jcr.nodetype.NodeType;
  29
  30 import org.argeo.eclipse.ui.ErrorFeedback;
  31 import org.argeo.jcr.ArgeoJcrConstants;
  32 import org.argeo.jcr.ArgeoJcrUtils;
  33 import org.argeo.jcr.ArgeoNames;
  34 import org.argeo.jcr.ArgeoTypes;
  35 import org.argeo.jcr.JcrUtils;
  36 import org.argeo.jcr.UserJcrUtils;
  37 import org.argeo.slc.SlcException;
  38 import org.argeo.slc.repo.RepoConstants;
  39 import org.argeo.util.security.Keyring;
  40 import org.eclipse.jface.dialogs.MessageDialog;
  41 import org.eclipse.jface.resource.JFaceResources;
  42 import org.eclipse.jface.wizard.Wizard;
  43 import org.eclipse.jface.wizard.WizardPage;
  44 import org.eclipse.swt.SWT;
  45 import org.eclipse.swt.events.SelectionAdapter;
  46 import org.eclipse.swt.events.SelectionEvent;
  47 import org.eclipse.swt.events.SelectionListener;
  48 import org.eclipse.swt.layout.GridData;
  49 import org.eclipse.swt.layout.GridLayout;
  50 import org.eclipse.swt.widgets.Button;
  51 import org.eclipse.swt.widgets.Composite;
  52 import org.eclipse.swt.widgets.Label;
  53 import org.eclipse.swt.widgets.Text;
  54
  55 /**
  56  *
  57  * Registers a new remote repository in the current Node.
  58  *
  59  */
  60 public class RegisterRepoWizard extends Wizard {
  61
  62         // Business objects
  63         private Keyring keyring;
  64         private RepositoryFactory repositoryFactory;
  65         private Repository nodeRepository;
  66
  67         // Pages
  68         private DefineModelPage page;
  69
  70         // Widgets of model page
  71         private Text name;
  72         private Text uri;
  73         private Text username;
  74         private Text password;
  75         private Button saveInKeyring;
  76
  77         // Default values
  78         private final static String DEFAULT_NAME = "Argeo Public Repository";
  79         private final static String DEFAULT_URI = "http://repo.argeo.org/data/pub/java";
  80         private final static String DEFAULT_USER_NAME = "anonymous";
  81         private final static boolean DEFAULT_ANONYMOUS = true;
  82
  83         public RegisterRepoWizard(Keyring keyring,
  84                         RepositoryFactory repositoryFactory, Repository nodeRepository) {
  85                 super();
  86                 this.keyring = keyring;
  87                 this.repositoryFactory = repositoryFactory;
  88                 this.nodeRepository = nodeRepository;
  89         }
  90
  91         @Override
  92         public void addPages() {
  93                 try {
  94                         page = new DefineModelPage();
  95                         addPage(page);
  96                         setWindowTitle("Register a new remote repository");
  97                 } catch (Exception e) {
  98                         throw new SlcException("Cannot add page to wizard ", e);
  99                 }
 100         }
 101
 102         @Override
 103         public boolean performFinish() {
 104                 if (!canFinish())
 105                         return false;
 106
 107                 Session nodeSession = null;
 108                 try {
 109                         nodeSession = nodeRepository.login();
 110                         String reposPath = UserJcrUtils.getUserHome(nodeSession).getPath()
 111                                         + RepoConstants.REPOSITORIES_BASE_PATH;
 112
 113                         Node repos = nodeSession.getNode(reposPath);
 114                         String repoNodeName = JcrUtils.replaceInvalidChars(name.getText());
 115                         if (repos.hasNode(repoNodeName))
 116                                 throw new SlcException(
 117                                                 "There is already a remote repository named "
 118                                                                 + repoNodeName);
 119
 120                         // check if the same URI has already been registered
 121                         NodeIterator ni = repos.getNodes();
 122                         while (ni.hasNext()) {
 123                                 Node node = ni.nextNode();
 124                                 if (node.isNodeType(ArgeoTypes.ARGEO_REMOTE_REPOSITORY)
 125                                                 && node.hasProperty(ArgeoNames.ARGEO_URI)
 126                                                 && node.getProperty(ArgeoNames.ARGEO_URI).getString()
 127                                                                 .equals(uri.getText()))
 128                                         throw new SlcException(
 129                                                         "This URI "
 130                                                                         + uri.getText()
 131                                                                         + " is already registered, "
 132                                                                         + "for the time being, only one instance of a single "
 133                                                                         + "repository at a time is implemented.");
 134                         }
 135
 136                         Node repoNode = repos.addNode(repoNodeName,
 137                                         ArgeoTypes.ARGEO_REMOTE_REPOSITORY);
 138                         repoNode.setProperty(ArgeoNames.ARGEO_URI, uri.getText());
 139                         repoNode.setProperty(ArgeoNames.ARGEO_USER_ID, username.getText());
 140                         repoNode.addMixin(NodeType.MIX_TITLE);
 141                         repoNode.setProperty(Property.JCR_TITLE, name.getText());
 142                         nodeSession.save();
 143                         if (saveInKeyring.getSelection()) {
 144                                 String pwdPath = repoNode.getPath() + '/'
 145                                                 + ArgeoNames.ARGEO_PASSWORD;
 146                                 keyring.set(pwdPath, password.getText().toCharArray());
 147                                 nodeSession.save();
 148                         }
 149                         MessageDialog.openInformation(getShell(), "Repository Added",
 150                                         "Remote repository " + uri.getText() + "' added");
 151                 } catch (Exception e) {
 152                         ErrorFeedback.show("Cannot add remote repository", e);
 153                 } finally {
 154                         JcrUtils.logoutQuietly(nodeSession);
 155                 }
 156                 return true;
 157         }
 158
 159         private class DefineModelPage extends WizardPage {
 160
 161                 public DefineModelPage() {
 162                         super("Main");
 163                         setTitle("Fill information to register a repository");
 164                 }
 165
 166                 public void createControl(Composite parent) {
 167
 168                         // main layout
 169                         Composite composite = new Composite(parent, SWT.NONE);
 170                         composite.setLayout(new GridLayout(2, false));
 171                         composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 172                                         false));
 173
 174                         // Create various fields
 175                         // setMessage("Login to remote repository", IMessageProvider.NONE);
 176                         name = createLT(composite, "Name", DEFAULT_NAME);
 177                         uri = createLT(composite, "URI", DEFAULT_URI);
 178
 179                         final Button anonymousLogin = createLC(composite,
 180                                         "Log as anonymous", true);
 181                         anonymousLogin.addSelectionListener(new SelectionListener() {
 182                                 public void widgetSelected(SelectionEvent e) {
 183                                         if (anonymousLogin.getSelection()) {
 184                                                 username.setText(DEFAULT_USER_NAME);
 185                                                 password.setText("");
 186                                                 username.setEnabled(false);
 187                                                 password.setEnabled(false);
 188                                         } else {
 189                                                 username.setText("");
 190                                                 password.setText("");
 191                                                 username.setEnabled(true);
 192                                                 password.setEnabled(true);
 193                                         }
 194                                 }
 195
 196                                 public void widgetDefaultSelected(SelectionEvent e) {
 197                                 }
 198                         });
 199
 200                         username = createLT(composite, "User", DEFAULT_USER_NAME);
 201                         password = createLP(composite, "Password");
 202                         saveInKeyring = createLC(composite, "Remember password", false);
 203
 204                         if (DEFAULT_ANONYMOUS) {
 205                                 username.setEnabled(false);
 206                                 password.setEnabled(false);
 207                         }
 208
 209                         Button test = createButton(composite, "Test");
 210                         GridData gd = new GridData(SWT.CENTER, SWT.CENTER, false, false, 2,
 211                                         1);
 212                         gd.widthHint = 140;
 213                         test.setLayoutData(gd);
 214
 215                         test.addSelectionListener(new SelectionAdapter() {
 216                                 public void widgetSelected(SelectionEvent arg0) {
 217                                         testConnection();
 218                                 }
 219                         });
 220
 221                         // Compulsory
 222                         setControl(composite);
 223                 }
 224
 225                 /** Creates label and text. */
 226                 protected Text createLT(Composite parent, String label, String initial) {
 227                         new Label(parent, SWT.RIGHT).setText(label);
 228                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
 229                         text.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, true));
 230                         text.setText(initial);
 231                         return text;
 232                 }
 233
 234                 /** Creates label and check. */
 235                 protected Button createLC(Composite parent, String label,
 236                                 Boolean initial) {
 237                         new Label(parent, SWT.RIGHT).setText(label);
 238                         Button check = new Button(parent, SWT.CHECK);
 239                         check.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 240                         check.setSelection(initial);
 241                         return check;
 242                 }
 243
 244                 /** Creates a button with a label. */
 245                 protected Button createButton(Composite parent, String label) {
 246                         Button button = new Button(parent, SWT.PUSH);
 247                         button.setText(label);
 248                         button.setFont(JFaceResources.getDialogFont());
 249                         setButtonLayoutData(button);
 250                         return button;
 251                 }
 252
 253                 /** Creates label and password field */
 254                 protected Text createLP(Composite parent, String label) {
 255                         new Label(parent, SWT.NONE).setText(label);
 256                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER
 257                                         | SWT.PASSWORD);
 258                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 259                         return text;
 260                 }
 261
 262         }
 263
 264         void testConnection() {
 265                 Session session = null;
 266                 try {
 267                         if (uri.getText().startsWith("http")) {// http, https
 268                                 URI checkedUri = new URI(uri.getText());
 269                                 String checkedUriStr = checkedUri.toString();
 270                                 Hashtable<String, String> params = new Hashtable<String, String>();
 271                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_URI, checkedUriStr);
 272                                 Repository repository = ArgeoJcrUtils.getRepositoryByUri(
 273                                                 repositoryFactory, checkedUriStr);
 274                                 if (username.getText().trim().equals("")) {// anonymous
 275                                         session = repository.login();
 276                                 } else {
 277                                         // FIXME use getTextChars() when upgrading to 3.7
 278                                         // see
 279                                         // https://bugs.eclipse.org/bugs/show_bug.cgi?id=297412
 280                                         char[] pwd = password.getText().toCharArray();
 281                                         SimpleCredentials sc = new SimpleCredentials(
 282                                                         username.getText(), pwd);
 283                                         session = repository.login(sc);
 284                                 }
 285                         } else {// alias
 286                                 Repository repository = ArgeoJcrUtils.getRepositoryByAlias(
 287                                                 repositoryFactory, uri.getText());
 288                                 session = repository.login();
 289                         }
 290                         MessageDialog.openInformation(getShell(), "Success",
 291                                         "Connection to '" + uri.getText() + "' successful");
 292                 } catch (Exception e) {
 293                         ErrorFeedback
 294                                         .show("Connection test failed for " + uri.getText(), e);
 295                 } finally {
 296                         JcrUtils.logoutQuietly(session);
 297                 }
 298         }
 299 }