| /******************************************************************************* |
| * Copyright (c) 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal.correction; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.jface.text.quickassist.IQuickAssistProcessor; |
| import org.eclipse.jface.text.source.Annotation; |
| |
| public class QuickFixRegistry { |
| private static QuickFixRegistry instance; |
| |
| public synchronized static QuickFixRegistry getInstance() { |
| if (instance == null) { |
| instance = new QuickFixRegistry(); |
| new QuickFixRegistryReader().addHelp(instance); |
| } |
| return instance; |
| } |
| |
| /** |
| * Table of queries for marker resolutions |
| */ |
| private Map resolutionQueries = new HashMap(); |
| /** |
| * Resolution class attribute name in configuration element |
| */ |
| private static final String ATT_CLASS = "class"; //$NON-NLS-1$ |
| |
| /** |
| * Adds a resolution query to the registry. |
| * |
| * @param query |
| * a marker query |
| * @param result |
| * a result for the given query |
| * @param element |
| * the configuration element defining the result |
| */ |
| void addResolutionQuery(AnnotationQuery query, AnnotationQueryResult result, IConfigurationElement element) { |
| |
| addQuery(resolutionQueries, query, result, element); |
| } |
| |
| /** |
| * Adds a query to the given table. |
| * |
| * @param table |
| * the table to which the query is added |
| * @param query |
| * a marker query |
| * @param result |
| * a result for the given query |
| * @param element |
| * the configuration element defining the result |
| */ |
| private void addQuery(Map table, AnnotationQuery query, AnnotationQueryResult result, IConfigurationElement element) { |
| |
| // See if the query is already in the table |
| Map results = (Map) table.get(query); |
| if (results == null) { |
| // Create a new results table |
| results = new HashMap(); |
| |
| // Add the query to the table |
| table.put(query, results); |
| } |
| |
| if (results.containsKey(result)) { |
| Collection currentElements = (Collection) results.get(result); |
| currentElements.add(element); |
| } |
| else { |
| Collection elements = new HashSet(); |
| elements.add(element); |
| |
| // Add the new result |
| results.put(result, elements); |
| } |
| } |
| |
| public IQuickAssistProcessor[] getQuickFixProcessors(Annotation anno) { |
| // Collect all matches |
| ArrayList processors = new ArrayList(); |
| for (Iterator iter = resolutionQueries.keySet().iterator(); iter.hasNext();) { |
| AnnotationQuery query = (AnnotationQuery) iter.next(); |
| AnnotationQueryResult result = query.performQuery(anno); |
| if (result != null) { |
| // See if a matching result is registered |
| Map resultsTable = (Map) resolutionQueries.get(query); |
| |
| if (resultsTable.containsKey(result)) { |
| |
| Iterator elements = ((Collection) resultsTable.get(result)).iterator(); |
| while (elements.hasNext()) { |
| IConfigurationElement element = (IConfigurationElement) elements.next(); |
| |
| IQuickAssistProcessor processor = null; |
| try { |
| processor = (IQuickAssistProcessor) element.createExecutableExtension(ATT_CLASS); |
| } |
| catch (CoreException e) { |
| } |
| if (processor != null) { |
| processors.add(processor); |
| } |
| |
| } |
| } |
| } |
| } |
| return (IQuickAssistProcessor[]) processors.toArray(new IQuickAssistProcessor[processors.size()]); |
| } |
| } |