diff options
Diffstat (limited to 'org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/views/ProblemDetailsExtensions.java')
-rw-r--r-- | org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/views/ProblemDetailsExtensions.java | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/views/ProblemDetailsExtensions.java b/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/views/ProblemDetailsExtensions.java new file mode 100644 index 0000000..689d9d8 --- /dev/null +++ b/org.eclipse.cdt.codan.ui/src/org/eclipse/cdt/codan/internal/ui/views/ProblemDetailsExtensions.java @@ -0,0 +1,138 @@ +/******************************************************************************* + * Copyright (c) 2010 Alena Laskavaia + * 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: + * Alena Laskavaia - initial API and implementation + *******************************************************************************/ +package org.eclipse.cdt.codan.internal.ui.views; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.Iterator; + +import org.eclipse.cdt.codan.internal.ui.CodanUIActivator; +import org.eclipse.cdt.codan.ui.AbstractCodanProblemDetailsProvider; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IConfigurationElement; +import org.eclipse.core.runtime.IExtensionPoint; +import org.eclipse.core.runtime.Platform; + +/** + * Class that can load extension for problemDetails + */ +public class ProblemDetailsExtensions { + public static final String ALL = "*";//$NON-NLS-1$ + private static final String EXTENSION_POINT_NAME = "codanProblemDetails"; //$NON-NLS-1$ + private static boolean extensionsLoaded; + private static HashMap<String, Collection<?>> map = new HashMap<String, Collection<?>>(); + + private static synchronized void readExtensions() { + if (extensionsLoaded) return; + IExtensionPoint ep = Platform.getExtensionRegistry().getExtensionPoint(CodanUIActivator.PLUGIN_ID, EXTENSION_POINT_NAME); + if (ep == null) + return; + try { + IConfigurationElement[] elements = ep.getConfigurationElements(); + // process categories + for (int i = 0; i < elements.length; i++) { + IConfigurationElement configurationElement = elements[i]; + processDetails(configurationElement); + } + } finally { + extensionsLoaded = true; + } + } + + /** + * @param configurationElement + */ + private static void processDetails(IConfigurationElement configurationElement) { + if (configurationElement.getName().equals("problemDetails")) { //$NON-NLS-1$ + String id = configurationElement.getAttribute("problemId"); //$NON-NLS-1$ + if (id == null) { + id = ALL; + } + addExtension(id, configurationElement); + } + } + + public static AbstractCodanProblemDetailsProvider resolveClass(IConfigurationElement configurationElement) { + AbstractCodanProblemDetailsProvider res; + try { + res = (AbstractCodanProblemDetailsProvider) configurationElement.createExecutableExtension("class");//$NON-NLS-1$ + } catch (CoreException e) { + CodanUIActivator.log(e); + return null; + } + return res; + } + + @SuppressWarnings({ "unchecked", "rawtypes" }) + private static void addExtension(String id, IConfigurationElement configurationElement) { + Collection collection = getCollection(id); + collection.add(configurationElement); + } + + /** + * Remove provider from the list + * @param id - codan problem id or ALL + * @param el - details provider (class extending AbstractCodanProblemDetailsProvider) or ElementConfiguration (user internally) + */ + @SuppressWarnings("rawtypes") + public static void removeExtension(String id, Object el) { + Collection collection = getCollection(id); + collection.remove(el); + } + + @SuppressWarnings("rawtypes") + private static Collection getCollection(String id) { + Collection collection = map.get(id); + if (collection == null) { + collection = new ArrayList(); + map.put(id, collection); + } + return collection; + } + + public static Collection<AbstractCodanProblemDetailsProvider> getProviders(String id) { + readExtensions(); + Collection<AbstractCodanProblemDetailsProvider> providers = new ArrayList<AbstractCodanProblemDetailsProvider>(); + Collection<?> collection1 = getCollection(id); + Collection<?> collection2 = getCollection(ALL); + providers.addAll(resolveProviders(collection1)); + providers.addAll(resolveProviders(collection2)); + return providers; + } + + @SuppressWarnings({ "rawtypes", "unchecked" }) + public static Collection<AbstractCodanProblemDetailsProvider> resolveProviders(Collection collection) { + Collection res = new ArrayList(collection); + for (Iterator iterator = res.iterator(); iterator.hasNext();) { + Object object = iterator.next(); + if (object instanceof IConfigurationElement) { + // resolve + collection.remove(object); + AbstractCodanProblemDetailsProvider provider = resolveClass((IConfigurationElement) object); + if (provider!=null) + collection.add(provider); + } + } + return collection; + } + + /** + * Add extension (details provider) using API + * @param id - codan problem id or ALL + * @param provider - class extending AbstractCodanProblemDetailsProvider + */ + @SuppressWarnings({ "rawtypes", "unchecked" }) + public static void addExtension(String id, AbstractCodanProblemDetailsProvider provider) { + Collection collection = getCollection(id); + collection.add(provider); + } +} |