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

   1 package org.argeo.jcr.ui.explorer.commands;
   2
   3 import java.net.URI;
   4 import java.util.Hashtable;
   5
   6 import javax.jcr.Node;
   7 import javax.jcr.Repository;
   8 import javax.jcr.RepositoryFactory;
   9 import javax.jcr.Session;
  10 import javax.jcr.SimpleCredentials;
  11
  12 import org.argeo.eclipse.ui.ErrorFeedback;
  13 import org.argeo.jcr.ArgeoJcrConstants;
  14 import org.argeo.jcr.ArgeoNames;
  15 import org.argeo.jcr.ArgeoTypes;
  16 import org.argeo.jcr.JcrUtils;
  17 import org.argeo.jcr.security.JcrKeyring;
  18 import org.argeo.jcr.ui.explorer.JcrExplorerConstants;
  19 import org.eclipse.core.commands.AbstractHandler;
  20 import org.eclipse.core.commands.ExecutionEvent;
  21 import org.eclipse.core.commands.ExecutionException;
  22 import org.eclipse.jface.dialogs.Dialog;
  23 import org.eclipse.jface.dialogs.IMessageProvider;
  24 import org.eclipse.jface.dialogs.MessageDialog;
  25 import org.eclipse.jface.dialogs.TitleAreaDialog;
  26 import org.eclipse.swt.SWT;
  27 import org.eclipse.swt.events.SelectionAdapter;
  28 import org.eclipse.swt.events.SelectionEvent;
  29 import org.eclipse.swt.graphics.Point;
  30 import org.eclipse.swt.layout.GridData;
  31 import org.eclipse.swt.layout.GridLayout;
  32 import org.eclipse.swt.widgets.Button;
  33 import org.eclipse.swt.widgets.Composite;
  34 import org.eclipse.swt.widgets.Control;
  35 import org.eclipse.swt.widgets.Display;
  36 import org.eclipse.swt.widgets.Label;
  37 import org.eclipse.swt.widgets.Shell;
  38 import org.eclipse.swt.widgets.Text;
  39 import org.osgi.framework.BundleContext;
  40
  41 /**
  42  * Connect to a remote repository and, if successful publish it as an OSGi
  43  * service.
  44  */
  45 public class AddRemoteRepository extends AbstractHandler implements
  46                 JcrExplorerConstants, ArgeoNames {
  47
  48         private RepositoryFactory repositoryFactory;
  49         private BundleContext bundleContext;
  50
  51         private JcrKeyring keyring;
  52
  53         public Object execute(ExecutionEvent event) throws ExecutionException {
  54                 String uri = null;
  55                 if (event.getParameters().containsKey(PARAM_REPOSITORY_URI)) {
  56                         uri = event.getParameter(PARAM_REPOSITORY_URI);
  57                 } else {
  58                         RemoteRepositoryLoginDialog dlg = new RemoteRepositoryLoginDialog(
  59                                         Display.getDefault().getActiveShell());
  60                         if (dlg.open() == Dialog.OK) {
  61                                 uri = dlg.getUri();
  62                         }
  63                 }
  64
  65                 if (uri == null)
  66                         return null;
  67
  68                 try {
  69                         Hashtable<String, String> params = new Hashtable<String, String>();
  70                         params.put(ArgeoJcrConstants.JCR_REPOSITORY_URI, uri);
  71                         // by default we use the URI as alias
  72                         params.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, uri);
  73                         Repository repository = repositoryFactory.getRepository(params);
  74                         bundleContext.registerService(Repository.class.getName(),
  75                                         repository, params);
  76                 } catch (Exception e) {
  77                         ErrorFeedback.show("Cannot add remote repository " + uri, e);
  78                 }
  79                 return null;
  80         }
  81
  82         public void setRepositoryFactory(RepositoryFactory repositoryFactory) {
  83                 this.repositoryFactory = repositoryFactory;
  84         }
  85
  86         public void setBundleContext(BundleContext bundleContext) {
  87                 this.bundleContext = bundleContext;
  88         }
  89
  90         public void setKeyring(JcrKeyring keyring) {
  91                 this.keyring = keyring;
  92         }
  93
  94         class RemoteRepositoryLoginDialog extends TitleAreaDialog {
  95                 private String uri;
  96                 private Text name;
  97                 private Text uriText;
  98                 private Text username;
  99                 private Text password;
 100
 101                 public RemoteRepositoryLoginDialog(Shell parentShell) {
 102                         super(parentShell);
 103                 }
 104
 105                 protected Point getInitialSize() {
 106                         return new Point(600, 400);
 107                 }
 108
 109                 protected Control createDialogArea(Composite parent) {
 110                         Composite dialogarea = (Composite) super.createDialogArea(parent);
 111                         dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 112                                         true));
 113                         Composite composite = new Composite(dialogarea, SWT.NONE);
 114                         composite.setLayout(new GridLayout(2, false));
 115                         composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true,
 116                                         false));
 117                         setMessage("Login to remote repository", IMessageProvider.NONE);
 118                         name = createLT(composite, "Name", "remoteRepository");
 119                         uriText = createLT(composite, "URI",
 120                                         "http://localhost:7070/org.argeo.jcr.webapp/remoting/node");
 121                         username = createLT(composite, "User", "");
 122                         password = createLP(composite, "Password");
 123                         parent.pack();
 124                         return composite;
 125                 }
 126
 127                 @Override
 128                 protected void createButtonsForButtonBar(Composite parent) {
 129                         super.createButtonsForButtonBar(parent);
 130                         Button test = createButton(parent, 2, "Test", false);
 131                         test.addSelectionListener(new SelectionAdapter() {
 132                                 public void widgetSelected(SelectionEvent arg0) {
 133                                         testConnection();
 134                                 }
 135                         });
 136                 }
 137
 138                 void testConnection() {
 139                         Session session = null;
 140                         try {
 141                                 URI checkedUri = new URI(uriText.getText());
 142                                 String checkedUriStr = checkedUri.toString();
 143
 144                                 Hashtable<String, String> params = new Hashtable<String, String>();
 145                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_URI, checkedUriStr);
 146                                 // by default we use the URI as alias
 147                                 params.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS,
 148                                                 checkedUriStr);
 149                                 Repository repository = repositoryFactory.getRepository(params);
 150                                 if (username.getText().trim().equals("")) {// anonymous
 151                                         session = repository.login();
 152                                 } else {
 153                                         // FIXME use getTextChars() when upgrading to 3.7
 154                                         // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=297412
 155                                         char[] pwd = password.getText().toCharArray();
 156                                         SimpleCredentials sc = new SimpleCredentials(
 157                                                         username.getText(), pwd);
 158                                         session = repository.login(sc);
 159                                         MessageDialog.openInformation(getParentShell(), "Success",
 160                                                         "Connection to " + uri + "successful");
 161                                 }
 162                         } catch (Exception e) {
 163                                 ErrorFeedback.show(
 164                                                 "Connection test failed for " + uriText.getText(), e);
 165                         } finally {
 166                                 JcrUtils.logoutQuietly(session);
 167                         }
 168                 }
 169
 170                 @Override
 171                 protected void okPressed() {
 172                         try {
 173                                 Session nodeSession = keyring.getSession();
 174                                 Node home = JcrUtils.getUserHome(nodeSession);
 175                                 Node remote = home.hasNode(ARGEO_REMOTE) ? home
 176                                                 .getNode(ARGEO_REMOTE) : home.addNode(ARGEO_REMOTE);
 177                                 Node remoteRepository = remote.addNode(name.getText(),
 178                                                 ArgeoTypes.ARGEO_REMOTE_REPOSITORY);
 179                                 remoteRepository.setProperty(ARGEO_URI, uriText.getText());
 180                                 remoteRepository.setProperty(ARGEO_USER_ID, username.getText());
 181                                 Node pwd = remoteRepository.addNode(ARGEO_PASSWORD);
 182                                 keyring.set(pwd.getPath(), password.getText().toCharArray());
 183                                 nodeSession.save();
 184                         } catch (Exception e) {
 185                                 // TODO Auto-generated catch block
 186                                 e.printStackTrace();
 187                         }
 188                         uri = uriText.getText();
 189                         super.okPressed();
 190                 }
 191
 192                 /** Creates label and text. */
 193                 protected Text createLT(Composite parent, String label, String initial) {
 194                         new Label(parent, SWT.NONE).setText(label);
 195                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER);
 196                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 197                         text.setText(initial);
 198                         return text;
 199                 }
 200
 201                 protected Text createLP(Composite parent, String label) {
 202                         new Label(parent, SWT.NONE).setText(label);
 203                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER
 204                                         | SWT.PASSWORD);
 205                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 206                         return text;
 207                 }
 208
 209                 public String getUri() {
 210                         return uri;
 211                 }
 212         }
 213 }