| /******************************************************************************* |
| * Copyright (c) 2008, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.ui; |
| |
| import java.io.*; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.Vector; |
| import javax.xml.parsers.*; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.equinox.internal.p2.core.helpers.SecureXMLUtil; |
| import org.eclipse.equinox.internal.p2.ui.model.MetadataRepositoryElement; |
| import org.eclipse.equinox.p2.engine.IProvisioningPlan; |
| import org.eclipse.equinox.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.p2.query.IQueryResult; |
| import org.eclipse.equinox.p2.query.QueryUtil; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.FileDialog; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.statushandlers.StatusManager; |
| import org.w3c.dom.*; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * Utility methods involving compatibility with the Eclipse Update Manager. |
| * |
| * @since 3.4 |
| * |
| */ |
| public class UpdateManagerCompatibility { |
| |
| // This value was copied from MetadataGeneratorHelper. Must be the same. |
| private static final String ECLIPSE_INSTALL_HANDLER_PROP = "org.eclipse.update.installHandler"; //$NON-NLS-1$ |
| |
| private static void parse(String fileName, Vector<MetadataRepositoryElement> bookmarks) { |
| File file = new File(fileName); |
| if (!file.exists()) |
| return; |
| |
| try { |
| DocumentBuilderFactory documentBuilderFactory = SecureXMLUtil.newSecureDocumentBuilderFactory(); |
| documentBuilderFactory.setNamespaceAware(true); |
| DocumentBuilder parser = documentBuilderFactory.newDocumentBuilder(); |
| Document doc = parser.parse(file); |
| Node root = doc.getDocumentElement(); |
| processRoot(root, bookmarks); |
| } catch (ParserConfigurationException e) { |
| logFail(e); |
| } catch (SAXException e) { |
| logFail(e); |
| } catch (IOException e) { |
| logFail(e); |
| } |
| } |
| |
| private static MetadataRepositoryElement[] getSites(Vector<MetadataRepositoryElement> bookmarks) { |
| return bookmarks.toArray(new MetadataRepositoryElement[bookmarks.size()]); |
| } |
| |
| private static void processRoot(Node root, Vector<MetadataRepositoryElement> bookmarks) { |
| if (root.getNodeName().equals("bookmarks")) { //$NON-NLS-1$ |
| NodeList children = root.getChildNodes(); |
| processChildren(children, bookmarks); |
| } |
| } |
| |
| private static void processChildren(NodeList children, Vector<MetadataRepositoryElement> bookmarks) { |
| for (int i = 0; i < children.getLength(); i++) { |
| Node child = children.item(i); |
| if (child.getNodeType() == Node.ELEMENT_NODE) { |
| if (child.getNodeName().equals("site")) { //$NON-NLS-1$ |
| createSite(child, bookmarks); |
| } else if (child.getNodeName().equals("folder")) { //$NON-NLS-1$ |
| createFolder(child, bookmarks); |
| } |
| } |
| } |
| } |
| |
| private static void createSite(Node child, Vector<MetadataRepositoryElement> bookmarks) { |
| URI uri = null; |
| try { |
| uri = URIUtil.fromString((getAttribute(child, "url"))); //$NON-NLS-1$ |
| } catch (URISyntaxException e) { |
| logFail(e); |
| return; |
| } |
| |
| String sel = getAttribute(child, "selected"); //$NON-NLS-1$ |
| boolean selected = (sel != null && sel.equals("true")); //$NON-NLS-1$ |
| |
| MetadataRepositoryElement element = new MetadataRepositoryElement(null, uri, selected); |
| String nickname = getAttribute(child, "name"); //$NON-NLS-1$ |
| if (nickname != null && nickname.length() > 0) |
| element.setNickname(nickname); |
| bookmarks.add(element); |
| } |
| |
| private static void createFolder(Node child, Vector<MetadataRepositoryElement> bookmarks) { |
| if (child.hasChildNodes()) |
| processChildren(child.getChildNodes(), bookmarks); |
| } |
| |
| private static String getAttribute(Node node, String name) { |
| NamedNodeMap atts = node.getAttributes(); |
| Node att = atts.getNamedItem(name); |
| if (att != null) { |
| return att.getNodeValue(); |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| |
| private static void store(String fileName, Vector<MetadataRepositoryElement> bookmarks) { |
| FileOutputStream fos = null; |
| OutputStreamWriter osw = null; |
| PrintWriter writer = null; |
| try { |
| fos = new FileOutputStream(fileName); |
| osw = new OutputStreamWriter(fos, "UTF8"); //$NON-NLS-1$ |
| writer = new PrintWriter(osw); |
| writer.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); //$NON-NLS-1$ |
| writer.println("<bookmarks>"); //$NON-NLS-1$ |
| for (MetadataRepositoryElement obj : bookmarks) { |
| writeObject(" ", obj, writer); //$NON-NLS-1$ |
| } |
| } catch (IOException e) { |
| logFail(e); |
| } finally { |
| if (writer != null) { |
| writer.println("</bookmarks>"); //$NON-NLS-1$ |
| writer.flush(); |
| writer.close(); |
| } |
| try { |
| if (osw != null) |
| osw.close(); |
| } catch (IOException e1) { |
| logFail(e1); |
| } |
| try { |
| if (fos != null) |
| fos.close(); |
| } catch (IOException e2) { |
| logFail(e2); |
| } |
| } |
| } |
| |
| private static void writeObject(String indent, Object obj, PrintWriter writer) { |
| if (obj instanceof MetadataRepositoryElement) { |
| MetadataRepositoryElement element = (MetadataRepositoryElement) obj; |
| String sel = element.isEnabled() ? "true" : "false"; //$NON-NLS-1$ //$NON-NLS-2$ |
| String name = element.getName(); |
| writer.print(indent + "<site url=\"" + URIUtil.toUnencodedString(element.getLocation()) + "\" selected=\"" + sel + "\" name=\"" + getWritableXMLString(name) + "\""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ |
| writer.println("/>"); //$NON-NLS-1$ |
| } |
| } |
| |
| public static IStatus getInstallHandlerStatus(IProvisioningPlan plan) { |
| IQueryResult<IInstallableUnit> result = plan.getAdditions().query(QueryUtil.createIUAnyQuery(), null); |
| for (IInstallableUnit iu : result) { |
| if (iu != null && iu.getProperty(ECLIPSE_INSTALL_HANDLER_PROP) != null) |
| return new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, NLS.bind(ProvUIMessages.UpdateManagerCompatibility_ItemRequiresUpdateManager, iu.getId())); |
| } |
| return Status.OK_STATUS; |
| } |
| |
| /** |
| * Prompt the user for a file and import the sites specified in that |
| * file. Return the collection of repo elements in the import. |
| * @param shell the shell used to parent any dialogs used. |
| */ |
| public static MetadataRepositoryElement[] importSites(Shell shell) { |
| FileDialog dialog = new FileDialog(shell); |
| dialog.setText(ProvUIMessages.UpdateManagerCompatibility_ImportSitesTitle); |
| dialog.setFilterExtensions(new String[] {"*.xml", "*"}); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| MetadataRepositoryElement[] sites = null; |
| |
| String bookmarksFile = dialog.open(); |
| while (bookmarksFile != null && sites == null) { |
| File file = new File(bookmarksFile); |
| sites = readBookmarkFile(file); |
| if (sites == null || sites.length == 0) { |
| MessageDialog.openInformation(shell, ProvUIMessages.UpdateManagerCompatibility_InvalidSitesTitle, ProvUIMessages.UpdateManagerCompatibility_InvalidSiteFileMessage); |
| bookmarksFile = dialog.open(); |
| } |
| } |
| return sites == null ? new MetadataRepositoryElement[0] : sites; |
| } |
| |
| public static MetadataRepositoryElement[] readBookmarkFile(File file) { |
| Vector<MetadataRepositoryElement> bookmarks = new Vector<>(); |
| parse(file.getAbsolutePath(), bookmarks); |
| return getSites(bookmarks); |
| } |
| |
| public static void writeBookmarkFile(String filename, MetadataRepositoryElement[] sites) { |
| Vector<MetadataRepositoryElement> bookmarks = new Vector<>(sites.length); |
| for (MetadataRepositoryElement site : sites) |
| bookmarks.add(site); |
| store(filename, bookmarks); |
| |
| } |
| |
| /** |
| * Export the specified list of sites to a bookmarks file that |
| * can be read later. |
| * |
| * @param shell the shell used to parent the export dialog |
| * @param sites the sites to export |
| */ |
| |
| public static void exportSites(Shell shell, MetadataRepositoryElement[] sites) { |
| FileDialog dialog = new FileDialog(shell, SWT.SAVE); |
| dialog.setText(ProvUIMessages.UpdateManagerCompatibility_ExportSitesTitle); |
| dialog.setFileName("bookmarks.xml"); //$NON-NLS-1$ |
| dialog.setFilterExtensions(new String[] {"*.xml", "*"}); //$NON-NLS-1$ //$NON-NLS-2$ |
| dialog.setOverwrite(true); |
| |
| String bookmarksFile = dialog.open(); |
| if (bookmarksFile == null) |
| return; |
| |
| writeBookmarkFile(bookmarksFile, sites); |
| } |
| |
| /** |
| * Open the old UpdateManager installer UI using the specified shell. |
| * We do not call the UpdateManagerUI class directly because we want to be able to be configured |
| * without requiring those plug-ins. Instead, we invoke a known command. |
| */ |
| public static void openInstaller() { |
| ProvUI.openUpdateManagerInstaller(null); |
| } |
| |
| private static void logFail(Throwable t) { |
| Status failStatus = new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, t.getLocalizedMessage(), t); |
| ProvUI.reportStatus(failStatus, StatusManager.LOG); |
| } |
| |
| private static String getWritableXMLString(String value) { |
| StringBuilder buf = new StringBuilder(); |
| if (value == null) |
| return buf.toString(); |
| for (int i = 0; i < value.length(); i++) { |
| char c = value.charAt(i); |
| switch (c) { |
| case '&' : |
| buf.append("&"); //$NON-NLS-1$ |
| break; |
| case '<' : |
| buf.append("<"); //$NON-NLS-1$ |
| break; |
| case '>' : |
| buf.append(">"); //$NON-NLS-1$ |
| break; |
| case '\'' : |
| buf.append("'"); //$NON-NLS-1$ |
| break; |
| case '\"' : |
| buf.append("""); //$NON-NLS-1$ |
| break; |
| default : |
| buf.append(c); |
| break; |
| } |
| } |
| return buf.toString(); |
| } |
| } |