| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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 |
| * Cloudsmith Inc - split into FeatureParser and FeatureManifestParser |
| * SAP AG - consolidation of publishers for PDE formats |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.publisher.eclipse; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.util.List; |
| import java.util.jar.JarEntry; |
| import java.util.jar.JarFile; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.equinox.internal.p2.core.helpers.LogHelper; |
| import org.eclipse.equinox.p2.publisher.eclipse.Feature; |
| import org.eclipse.equinox.spi.p2.publisher.LocalizationHelper; |
| import org.eclipse.pde.internal.publishing.Activator; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * The publisher feature parser. This class parses a feature either in jar or folder |
| * form. Feature localization data (feature.properties) is also processed here. |
| */ |
| public class FeatureParser { |
| |
| private final FeatureManifestParser parser = new FeatureManifestParser(); |
| |
| /** |
| * Parses the specified location and constructs a feature. The given location |
| * should be either the location of the feature JAR or the directory containing |
| * the feature. |
| * |
| * @param location the location of the feature to parse. |
| */ |
| public Feature parse(File location) { |
| if (!location.exists()) |
| return null; |
| |
| Feature feature = null; |
| if (location.isDirectory()) { |
| //skip directories that don't contain a feature.xml file |
| File file = new File(location, "feature.xml"); //$NON-NLS-1$ |
| InputStream input = null; |
| try { |
| input = new BufferedInputStream(new FileInputStream(file)); |
| feature = parser.parse(input, toURL(location)); |
| if (feature != null) { |
| List<String> messageKeys = parser.getMessageKeys(); |
| String[] keyStrings = messageKeys.toArray(new String[messageKeys.size()]); |
| feature.setLocalizations(LocalizationHelper.getDirPropertyLocalizations(location, "feature", null, keyStrings)); //$NON-NLS-1$ |
| } |
| } catch (FileNotFoundException e) { |
| return null; |
| } catch (SAXException e) { |
| logWarning(location, e); |
| } catch (IOException e) { |
| logWarning(location, e); |
| } finally { |
| if (input != null) |
| try { |
| input.close(); |
| } catch (IOException e) { |
| // |
| } |
| } |
| } else if (location.getName().endsWith(".jar")) { //$NON-NLS-1$ |
| JarFile jar = null; |
| try { |
| jar = new JarFile(location); |
| JarEntry entry = jar.getJarEntry("feature.xml"); //$NON-NLS-1$ |
| if (entry == null) |
| return null; |
| |
| InputStream input = new BufferedInputStream(jar.getInputStream(entry)); |
| feature = parser.parse(input, toURL(location)); |
| if (feature != null) { |
| List<String> messageKeys = parser.getMessageKeys(); |
| String[] keyStrings = messageKeys.toArray(new String[messageKeys.size()]); |
| feature.setLocalizations(LocalizationHelper.getJarPropertyLocalizations(location, "feature", null, keyStrings)); //$NON-NLS-1$ |
| } |
| } catch (SAXException e) { |
| logWarning(location, e); |
| } catch (IOException e) { |
| logWarning(location, e); |
| } catch (SecurityException e) { |
| logWarning(location, e); |
| } finally { |
| try { |
| if (jar != null) |
| jar.close(); |
| } catch (IOException e) { |
| // |
| } |
| } |
| } |
| return feature; |
| } |
| |
| private static void logWarning(File location, Exception exception) { |
| LogHelper.log(new Status(IStatus.WARNING, Activator.ID, "Exception parsing feature: " + location.getAbsolutePath(), exception)); //$NON-NLS-1$ |
| } |
| |
| private static URL toURL(File location) { |
| try { |
| return location.toURI().toURL(); |
| } catch (MalformedURLException e) { |
| // not known to happen |
| throw new RuntimeException(e); |
| } |
| } |
| } |