server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/commands/AddRemoteRepository.java

   1 /*
   2  * Copyright (C) 2007-2012 Mathieu Baudier
   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.jcr.ui.explorer.commands;
  17
  18 import java.net.URI;
  19 import java.util.Hashtable;
  20
  21 import javax.jcr.Node;
  22 import javax.jcr.Repository;
  23 import javax.jcr.RepositoryFactory;
  24 import javax.jcr.Session;
  25 import javax.jcr.SimpleCredentials;
  26
  27 import org.argeo.ArgeoException;
  28 import org.argeo.eclipse.ui.ErrorFeedback;
  29 import org.argeo.jcr.ArgeoJcrConstants;
  30 import org.argeo.jcr.ArgeoNames;
  31 import org.argeo.jcr.ArgeoTypes;
  32 import org.argeo.jcr.JcrUtils;
  33 import org.argeo.jcr.security.JcrKeyring;
  34 import org.argeo.jcr.ui.explorer.JcrExplorerConstants;
  35 import org.eclipse.core.commands.AbstractHandler;
  36 import org.eclipse.core.commands.ExecutionEvent;
  37 import org.eclipse.core.commands.ExecutionException;
  38 import org.eclipse.jface.dialogs.Dialog;
  39 import org.eclipse.jface.dialogs.IMessageProvider;
  40 import org.eclipse.jface.dialogs.MessageDialog;
  41 import org.eclipse.jface.dialogs.TitleAreaDialog;
  42 import org.eclipse.swt.SWT;
  43 import org.eclipse.swt.events.SelectionAdapter;
  44 import org.eclipse.swt.events.SelectionEvent;
  45 import org.eclipse.swt.graphics.Point;
  46 import org.eclipse.swt.layout.GridData;
  47 import org.eclipse.swt.layout.GridLayout;
  48 import org.eclipse.swt.widgets.Button;
  49 import org.eclipse.swt.widgets.Composite;
  50 import org.eclipse.swt.widgets.Control;
  51 import org.eclipse.swt.widgets.Display;
  52 import org.eclipse.swt.widgets.Label;
  53 import org.eclipse.swt.widgets.Shell;
  54 import org.eclipse.swt.widgets.Text;
  55 import org.osgi.framework.BundleContext;
  56
  57 /**
  58  * Connect to a remote repository and, if successful publish it as an OSGi
  59  * service.
  60  */
  61 public class AddRemoteRepository extends AbstractHandler implements
  62                 JcrExplorerConstants, ArgeoNames {
  63
  64         private RepositoryFactory repositoryFactory;
  65         private BundleContext bundleContext;
  66
  67         private JcrKeyring keyring;
  68
  69         public Object execute(ExecutionEvent event) throws ExecutionException {
  70                 String uri = null;
  71                 if (event.getParameters().containsKey(PARAM_REPOSITORY_URI)) {
  72                         // FIXME remove this
  73                         uri = event.getParameter(PARAM_REPOSITORY_URI);
  74                         if (uri == null)
  75                                 return null;
  76
  77                         try {
  78                                 Hashtable<String, String> params = new Hashtable<String, String>();
  79                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_URI, uri);
  80                                 // by default we use the URI as alias
  81                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, uri);
  82                                 Repository repository = repositoryFactory.getRepository(params);
  83                                 bundleContext.registerService(Repository.class.getName(),
  84                                                 repository, params);
  85                         } catch (Exception e) {
  86                                 ErrorFeedback.show("Cannot add remote repository " + uri, e);
  87                         }
  88                 } else {
  89                         RemoteRepositoryLoginDialog dlg = new RemoteRepositoryLoginDialog(
  90                                         Display.getDefault().getActiveShell());
  91                         if (dlg.open() == Dialog.OK) {
  92                                 // uri = dlg.getUri();
  93                         }
  94                 }
  95
  96                 return null;
  97         }
  98
  99         public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
 100                 this.repositoryFactory = repositoryFactory;
 101         }
 102
 103         public void setBundleContext(BundleContext bundleContext) {
 104                 this.bundleContext = bundleContext;
 105         }
 106
 107         public void setKeyring(JcrKeyring keyring) {
 108                 this.keyring = keyring;
 109         }
 110
 111         class RemoteRepositoryLoginDialog extends TitleAreaDialog {
 112                 private Text name;
 113                 private Text uri;
 114                 private Text username;
 115                 private Text password;
 116
 117                 public RemoteRepositoryLoginDialog(Shell parentShell) {
 118                         super(parentShell);
 119                 }
 120
 121                 protected Point getInitialSize() {
 122                         return new Point(600, 400);
 123                 }
 124
 125                 protected Control createDialogArea(Composite parent) {
 126                         Composite dialogarea = (Composite) super.createDialogArea(parent);
 127                         dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 128                                         true));
 129                         Composite composite = new Composite(dialogarea, SWT.NONE);
 130                         composite.setLayout(new GridLayout(2, false));
 131                         composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 132                                         false));
 133                         setMessage("Login to remote repository", IMessageProvider.NONE);
 134                         name = createLT(composite, "Name", "remoteRepository");
 135                         uri = createLT(composite, "URI",
 136                                         "http://localhost:7070/org.argeo.jcr.webapp/remoting/node");
 137                         username = createLT(composite, "User", "");
 138                         password = createLP(composite, "Password");
 139                         parent.pack();
 140                         return composite;
 141                 }
 142
 143                 @Override
 144                 protected void createButtonsForButtonBar(Composite parent) {
 145                         super.createButtonsForButtonBar(parent);
 146                         Button test = createButton(parent, 2, "Test", false);
 147                         test.addSelectionListener(new SelectionAdapter() {
 148                                 public void widgetSelected(SelectionEvent arg0) {
 149                                         testConnection();
 150                                 }
 151                         });
 152                 }
 153
 154                 void testConnection() {
 155                         Session session = null;
 156                         try {
 157                                 URI checkedUri = new URI(uri.getText());
 158                                 String checkedUriStr = checkedUri.toString();
 159
 160                                 Hashtable<String, String> params = new Hashtable<String, String>();
 161                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_URI, checkedUriStr);
 162                                 // by default we use the URI as alias
 163                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS,
 164                                                 checkedUriStr);
 165                                 Repository repository = repositoryFactory.getRepository(params);
 166                                 if (username.getText().trim().equals("")) {// anonymous
 167                                         session = repository.login();
 168                                 } else {
 169                                         // FIXME use getTextChars() when upgrading to 3.7
 170                                         // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=297412
 171                                         char[] pwd = password.getText().toCharArray();
 172                                         SimpleCredentials sc = new SimpleCredentials(
 173                                                         username.getText(), pwd);
 174                                         session = repository.login(sc);
 175                                         MessageDialog.openInformation(getParentShell(), "Success",
 176                                                         "Connection to '" + uri.getText() + "' successful");
 177                                 }
 178                         } catch (Exception e) {
 179                                 ErrorFeedback.show(
 180                                                 "Connection test failed for " + uri.getText(), e);
 181                         } finally {
 182                                 JcrUtils.logoutQuietly(session);
 183                         }
 184                 }
 185
 186                 @Override
 187                 protected void okPressed() {
 188                         try {
 189                                 Session nodeSession = keyring.getSession();
 190                                 Node home = JcrUtils.getUserHome(nodeSession);
 191                                 Node remote = home.hasNode(ARGEO_REMOTE) ? home
 192                                                 .getNode(ARGEO_REMOTE) : home.addNode(ARGEO_REMOTE);
 193                                 if (remote.hasNode(name.getText()))
 194                                         throw new ArgeoException(
 195                                                         "There is already a remote repository named "
 196                                                                         + name.getText());
 197                                 Node remoteRepository = remote.addNode(name.getText(),
 198                                                 ArgeoTypes.ARGEO_REMOTE_REPOSITORY);
 199                                 remoteRepository.setProperty(ARGEO_URI, uri.getText());
 200                                 remoteRepository.setProperty(ARGEO_USER_ID, username.getText());
 201                                 Node pwd = remoteRepository.addNode(ARGEO_PASSWORD);
 202                                 keyring.set(pwd.getPath(), password.getText().toCharArray());
 203                                 nodeSession.save();
 204                                 MessageDialog.openInformation(
 205                                                 getParentShell(),
 206                                                 "Repository Added",
 207                                                 "Remote repository '" + username.getText() + "@"
 208                                                                 + uri.getText() + "' added");
 209                                 super.okPressed();
 210                         } catch (Exception e) {
 211                                 ErrorFeedback.show("Cannot add remote repository", e);
 212                         }
 213                 }
 214
 215                 /** Creates label and text. */
 216                 protected Text createLT(Composite parent, String label, String initial) {
 217                         new Label(parent, SWT.NONE).setText(label);
 218                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
 219                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 220                         text.setText(initial);
 221                         return text;
 222                 }
 223
 224                 protected Text createLP(Composite parent, String label) {
 225                         new Label(parent, SWT.NONE).setText(label);
 226                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER
 227                                         | SWT.PASSWORD);
 228                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 229                         return text;
 230                 }
 231         }
 232 }