diff options
Diffstat (limited to 'bundles/org.eclipse.equinox.weaving.hook/src/org/eclipse/equinox/service/weaving/Supplementer.java')
| -rw-r--r-- | bundles/org.eclipse.equinox.weaving.hook/src/org/eclipse/equinox/service/weaving/Supplementer.java | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/bundles/org.eclipse.equinox.weaving.hook/src/org/eclipse/equinox/service/weaving/Supplementer.java b/bundles/org.eclipse.equinox.weaving.hook/src/org/eclipse/equinox/service/weaving/Supplementer.java deleted file mode 100644 index 20ec8b78e..000000000 --- a/bundles/org.eclipse.equinox.weaving.hook/src/org/eclipse/equinox/service/weaving/Supplementer.java +++ /dev/null @@ -1,233 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2008, 2009 Martin Lippert 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: - * David Knibb initial implementation - * Martin Lippert supplementing mechanism reworked - * Martin Lippert fragment handling fixed - *******************************************************************************/ - -package org.eclipse.equinox.service.weaving; - -import java.util.HashSet; -import java.util.Set; - -import org.eclipse.osgi.util.ManifestElement; -import org.osgi.framework.Bundle; - -/** - * A supplementer object is created for every bundle that contains one or many - * of the supplementer headers in its header. - * - * The corresponding supplementer object contains the information which headers - * the bundle defines and which bundles it supplements in the running system. - * - * @author Martin Lippert - */ -public class Supplementer { - - private final ManifestElement[] supplementBundle; - - private final Set<Bundle> supplementedBundles; // elements of type Bundle - - private final Bundle supplementer; - - private final Bundle supplementerHost; - - private final ManifestElement[] supplementExporter; - - private final ManifestElement[] supplementImporter; - - /** - * Creates a supplementer object for the given bundle. - * - * @param bundle The bundle that defines the supplementer headers - * @param bundleHost The host bundle of the supplementer bundle, if the - * bundle is a fragment, otherwise null - * @param supplementBundle The parsed manifest headers defined for - * Eclipse-SupplementBundle - * @param supplementImporter The parsed manifest headers defined for - * Eclipse-SupplementImporter - * @param supplementExporter The parsed manifest headers defined for - * Eclipse-SupplementExporter - */ - public Supplementer(final Bundle bundle, final Bundle bundleHost, - final ManifestElement[] supplementBundle, - final ManifestElement[] supplementImporter, - final ManifestElement[] supplementExporter) { - this.supplementer = bundle; - this.supplementerHost = bundleHost != null ? bundleHost : bundle; - this.supplementBundle = supplementBundle; - this.supplementImporter = supplementImporter; - this.supplementExporter = supplementExporter; - this.supplementedBundles = new HashSet<Bundle>(); - } - - /** - * Add a bundle to the list of supplemented bundles - * - * @param supplementedBundle The bundle that is supplemented by this - * supplementer - */ - public void addSupplementedBundle(final Bundle supplementedBundle) { - this.supplementedBundles.add(supplementedBundle); - } - - /** - * Gives information about which bundles are currently supplemented by this - * supplementer - * - * @return The currently supplemented bundles - */ - public Bundle[] getSupplementedBundles() { - return supplementedBundles.toArray(new Bundle[supplementedBundles - .size()]); - } - - /** - * Returns the bundle that defines the supplementer headers (this - * supplementer object belongs to) - * - * @return The bundle object this supplementer belongs to - */ - public Bundle getSupplementerBundle() { - return supplementer; - } - - /** - * Returns the host of the supplementer bundle, if it is a fragment, - * otherwise this returns the same as getSupplementerBundle() - * - * @return The host bundle this supplementer belongs to - */ - public Bundle getSupplementerHost() { - return supplementerHost; - } - - /** - * The symbolic name of the supplementer bundle - * - * @return The symbolic name of the supplementer bundle - */ - public String getSymbolicName() { - return supplementer.getSymbolicName(); - } - - /** - * Provides information about whether a given bundle is supplemented by this - * supplementer or not - * - * @param bundle The bundle that might be supplemented by this supplementer - * @return true, if the bundle is supplemented by this supplementer, - * otherwise false - */ - public boolean isSupplemented(final Bundle bundle) { - return supplementedBundles.contains(bundle); - } - - /** - * Checks if the given export-package header definitions matches the - * supplement-exporter definitions of this supplementer - * - * @param exports The headers to check for matching against this - * supplementer - * @return true, if this supplementer matches against the given - * export-package headers - */ - public boolean matchesSupplementExporter(final ManifestElement[] exports) { - boolean matches = false; - - if (supplementExporter != null) - for (int i = 0; !matches && i < supplementExporter.length; i++) { - final ManifestElement supplementExport = supplementExporter[i]; - for (int j = 0; !matches && j < exports.length; j++) { - final ManifestElement exportPackage = exports[j]; - if (supplementExport.getValue().equals( - exportPackage.getValue())) matches = true; - } - } - - return matches; - } - - /** - * Checks if the given import-package header definitions matches the - * supplement-importer definitions of this supplementer - * - * @param imports The headers to check for matching against this - * supplementer - * @return true, if this supplementer matches against the given - * import-package headers - */ - public boolean matchesSupplementImporter(final ManifestElement[] imports) { - boolean matches = false; - - if (supplementImporter != null) - for (int i = 0; !matches && i < supplementImporter.length; i++) { - final ManifestElement supplementImport = supplementImporter[i]; - for (int j = 0; !matches && j < imports.length; j++) { - final ManifestElement importPackage = imports[j]; - if (supplementImport.getValue().equals( - importPackage.getValue())) matches = true; - } - } - - return matches; - } - - /** - * Checks if the given bundle symbolic name definition matches the - * supplement-bundle definition of this supplementer - * - * @param symbolicName The symbolic name of the bundle that shoudl be - * checked - * @return true, if this supplementer matches against the given bundle - * symbolic name - */ - public boolean matchSupplementer(final String symbolicName) { - boolean matches = false; - - if (supplementBundle != null) - for (int i = 0; !matches && i < supplementBundle.length; i++) { - final ManifestElement bundle = supplementBundle[i]; - if (equals_wild(bundle.getValue(), symbolicName)) - matches = true; - } - - return matches; - } - - /** - * Removes the given bundle from the set of supplemented bundles (that are - * supplemented by this supplementer) - * - * @param supplementedBundle The bundle that is no longer supplemented by - * this supplementer - */ - public void removeSupplementedBundle(final Bundle supplementedBundle) { - this.supplementedBundles.remove(supplementedBundle); - } - - //knibb - //test if two Strings are equal - //with wild card support - only supports strings ending in * - private boolean equals_wild(final String input, final String match) { - if (input.equals(match)) { - //its a match so just return true - return true; - } - if (input.endsWith("*") == false) { - //no wildcards are being used here - return false; - } - final String wild_in = input.substring(0, input.length() - 1); - if (match.startsWith(wild_in)) return true; - - return false; - } - -} |