Java tutorial
/**************************************************************************** * Copyright (c) 2004 Composent, Inc. and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Composent, Inc. - initial API and implementation *****************************************************************************/ package org.eclipse.ecf.internal.provider.xmpp.ui.hyperlink; import java.net.URI; import java.util.ArrayList; import java.util.List; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.ecf.core.ContainerCreateException; import org.eclipse.ecf.core.ContainerFactory; import org.eclipse.ecf.core.IContainer; import org.eclipse.ecf.core.IContainerManager; import org.eclipse.ecf.core.identity.ID; import org.eclipse.ecf.core.identity.Namespace; import org.eclipse.ecf.internal.provider.xmpp.ui.Activator; import org.eclipse.ecf.internal.provider.xmpp.ui.Messages; import org.eclipse.ecf.internal.provider.xmpp.ui.wizards.XMPPConnectWizard; import org.eclipse.ecf.internal.provider.xmpp.ui.wizards.XMPPSConnectWizard; import org.eclipse.ecf.presence.IPresenceContainerAdapter; import org.eclipse.ecf.presence.im.IChatManager; import org.eclipse.ecf.presence.im.IChatMessageSender; import org.eclipse.ecf.presence.im.ITypingMessageSender; import org.eclipse.ecf.presence.roster.IRosterManager; import org.eclipse.ecf.presence.ui.MessagesView; import org.eclipse.ecf.provider.xmpp.XMPPContainer; import org.eclipse.ecf.provider.xmpp.XMPPSContainer; import org.eclipse.ecf.provider.xmpp.identity.XMPPID; import org.eclipse.ecf.provider.xmpp.identity.XMPPSID; import org.eclipse.ecf.ui.IConnectWizard; import org.eclipse.ecf.ui.hyperlink.AbstractURLHyperlink; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.text.IRegion; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.Viewer; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PartInitException; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.ListDialog; /** * */ public class XMPPHyperlink extends AbstractURLHyperlink { private static final String ECF_XMPP_CONTAINER_NAME = "ecf.xmpp.smack"; //$NON-NLS-1$ private static final String ECF_XMPPS_CONTAINER_NAME = "ecf.xmpps.smack"; //$NON-NLS-1$ private static final IContainer[] EMPTY = new IContainer[0]; boolean isXMPPS; protected IContainer[] getContainers() { final IContainerManager manager = Activator.getDefault().getContainerManager(); if (manager == null) return EMPTY; final List results = new ArrayList(); final IContainer[] containers = manager.getAllContainers(); for (int i = 0; i < containers.length; i++) { final ID connectedID = containers[i].getConnectedID(); // Must be connected and ID of correct type if (connectedID != null && ((isXMPPS && containers[i] instanceof XMPPSContainer) || (!isXMPPS && containers[i] instanceof XMPPContainer))) results.add(containers[i]); } return (IContainer[]) results.toArray(EMPTY); } /* * (non-Javadoc) * * @see org.eclipse.ecf.ui.hyperlink.AbstractURLHyperlink#open() */ public void open() { final IContainer[] containers = getContainers(); if (containers.length > 0) { chooseAccount(containers); } else { if (MessageDialog.openQuestion(null, Messages.XMPPHyperlink_CONNECT_ACCOUNT_DIALOG_TITLE, NLS.bind(Messages.XMPPHyperlink_CONNECT_ACCOUNT_DIALOG_MESSAGE, getURI().getAuthority()))) { super.open(); } } } /** * @param adapters */ private void chooseAccount(final IContainer[] containers) { // If there's only one choice then use it if (containers.length == 1) { openContainer(containers[0]); return; } else { final IPresenceContainerAdapter[] adapters = new IPresenceContainerAdapter[containers.length]; for (int i = 0; i < containers.length; i++) adapters[i] = (IPresenceContainerAdapter) containers[i].getAdapter(IPresenceContainerAdapter.class); final ListDialog dialog = new ListDialog(null); dialog.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(Object inputElement) { return adapters; } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); dialog.setInput(adapters); dialog.setAddCancelButton(true); dialog.setBlockOnOpen(true); dialog.setTitle(Messages.XMPPHyperlink_SELECT_ACCOUNT_TITLE); dialog.setMessage(Messages.XMPPHyperlink_SELECT_ACCOUNT_MESSAGE); dialog.setHeightInChars(adapters.length > 4 ? adapters.length : 4); dialog.setInitialSelections(new IPresenceContainerAdapter[] { adapters[0] }); dialog.setLabelProvider(new ILabelProvider() { public Image getImage(Object element) { return null; } public String getText(Object element) { final IRosterManager manager = ((IPresenceContainerAdapter) element).getRosterManager(); if (manager == null) return null; return manager.getRoster().getUser().getID().getName(); } public void addListener(ILabelProviderListener listener) { } public void dispose() { } public boolean isLabelProperty(Object element, String property) { return false; } public void removeListener(ILabelProviderListener listener) { } }); final int result = dialog.open(); if (result == ListDialog.OK) { final Object[] res = dialog.getResult(); if (res.length > 0) openContainer((IContainer) res[0]); } } } private void openMessagesView(IChatManager chatManager, ID localID, ID targetID) throws PartInitException { final IChatMessageSender icms = chatManager.getChatMessageSender(); final ITypingMessageSender itms = chatManager.getTypingMessageSender(); final IWorkbenchWindow ww = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); final MessagesView view = (MessagesView) ww.getActivePage().showView(MessagesView.VIEW_ID); view.selectTab(icms, itms, localID, targetID); } /** * @param presenceContainerAdapter */ private void openContainer(IContainer container) { final IPresenceContainerAdapter presenceContainerAdapter = (IPresenceContainerAdapter) container .getAdapter(IPresenceContainerAdapter.class); final IChatManager chatManager = presenceContainerAdapter.getChatManager(); final IRosterManager rosterManager = presenceContainerAdapter.getRosterManager(); if (chatManager != null && rosterManager != null) { try { // get local ID final XMPPID localID = (XMPPID) rosterManager.getRoster().getUser().getID(); final Namespace ns = container.getConnectNamespace(); // create target ID final XMPPID targetID = (isXMPPS) ? new XMPPSID(ns, getURI().getAuthority()) : new XMPPID(ns, getURI().getAuthority()); // If they are same, just tell user and return if (localID.equals(targetID)) { MessageDialog.openError(null, Messages.XMPPHyperlink_MESSAGING_ERROR_TITLE, Messages.XMPPHyperlink_MESSAGING_ERROR_MESSAGE); return; } else { final String localHost = localID.getHostname(); final String targetHost = targetID.getHostname(); // If the hosts are the same for the target and local // accounts, // it's pretty obvious that we wish to message to them if (localHost.equals(targetHost)) { openMessagesView(chatManager, localID, targetID); } else { // Otherwise, ask the user whether messaging, or // connecting is desired final MessageDialog messageDialog = new MessageDialog(null, Messages.XMPPHyperlink_SELECT_ACTION_DIALOG_TITLE, null, NLS.bind(Messages.XMPPHyperlink_SELECT_ACTION_DIALOG_MESSAGE, new Object[] { targetHost, localHost, targetID.getName(), localID.getName() }), MessageDialog.QUESTION, new String[] { Messages.XMPPHyperlink_SELECT_ACTION_DIALOG_BUTTON_SEND_MESSAGE, Messages.XMPPHyperlink_SELECT_ACTION_DIALOG_BUTTON_CONNECT, Messages.XMPPHyperlink_SELECT_ACTION_DIALOG_BUTTON_CANCEL }, 2); final int selected = messageDialog.open(); switch (selected) { case 0: openMessagesView(chatManager, localID, targetID); return; case 1: super.open(); return; default: return; } } } } catch (final Exception e) { MessageDialog.openError(null, Messages.XMPPHyperlink_ERROR_OPEN_MESSAGE_VIEW_DIALOG_TITLE, NLS.bind( Messages.XMPPHyperlink_ERROR_OPEN_MESSAGE_VIEW_DIALOG_MESSAGE, e.getLocalizedMessage())); Activator.getDefault().getLog().log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, IStatus.ERROR, Messages.XMPPHyperlink_ERROR_OPEN_MESSAGE_VIEW_LOG_STATUS_MESSAGE, e)); } } } /** * Creates a new URL hyperlink. * * @param region * @param uri */ public XMPPHyperlink(IRegion region, URI uri) { super(region, uri); isXMPPS = getURI().getScheme().equalsIgnoreCase(XMPPHyperlinkDetector.XMPPS_PROTOCOL); } /* * (non-Javadoc) * * @see org.eclipse.ecf.ui.hyperlink.AbstractURLHyperlink#createConnectWizard() */ protected IConnectWizard createConnectWizard() { final String auth = getURI().getAuthority(); if (isXMPPS) return new XMPPSConnectWizard(auth); else return new XMPPConnectWizard(auth); } /* * (non-Javadoc) * * @see org.eclipse.ecf.ui.hyperlink.AbstractURLHyperlink#createContainer() */ protected IContainer createContainer() throws ContainerCreateException { return ContainerFactory.getDefault() .createContainer((isXMPPS) ? ECF_XMPPS_CONTAINER_NAME : ECF_XMPP_CONTAINER_NAME); } }