| /******************************************************************************* |
| * Copyright (c) 2006-2014 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 |
| * Matthieu Wipliez <matthieu.wipliez@synflow.com> (Synflow SAS) - [CommonNavigator] Implementation of Binding isVisibleExtension not excluding as expected - http://bugs.eclipse.org/425867 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.navigator.extensions; |
| |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.ui.internal.navigator.CommonNavigatorMessages; |
| import org.eclipse.ui.internal.navigator.NavigatorPlugin; |
| import org.eclipse.ui.internal.navigator.Policy; |
| |
| class Binding { |
| |
| private final Set<Pattern> rootPatterns = new HashSet<Pattern>(); |
| |
| private final Set<Pattern> includePatterns = new HashSet<Pattern>(); |
| |
| private final Set<Pattern> excludePatterns = new HashSet<Pattern>(); |
| |
| private final String TAG_EXTENSION; |
| |
| private final Map<String, Boolean> knownIds = new HashMap<String, Boolean>(); |
| private final Map<String, Boolean> knownRootIds = new HashMap<String, Boolean>(); |
| |
| protected Binding(String tagExtension) { |
| TAG_EXTENSION = tagExtension; |
| } |
| |
| boolean isVisibleExtension(String anExtensionId) { |
| // Have we seen this pattern before? |
| if (knownIds.containsKey(anExtensionId)) { |
| // we have, don't recompute |
| return knownIds.get(anExtensionId).booleanValue(); |
| } |
| |
| for (Iterator<Pattern> itr = excludePatterns.iterator(); itr.hasNext();) { |
| Pattern pattern = itr.next(); |
| if (pattern.matcher(anExtensionId).matches()) { |
| knownIds.put(anExtensionId, Boolean.FALSE); |
| if (Policy.DEBUG_RESOLUTION) { |
| System.out.println("Viewer Binding: EXCLUDED: " + TAG_EXTENSION +//$NON-NLS-1$ |
| " to: " + anExtensionId); //$NON-NLS-1$ |
| } |
| return false; |
| } |
| } |
| |
| for (Iterator<Pattern> itr = includePatterns.iterator(); itr.hasNext();) { |
| Pattern pattern = itr.next(); |
| if (pattern.matcher(anExtensionId).matches()) { |
| // keep track of the result for next time |
| knownIds.put(anExtensionId, Boolean.TRUE); |
| if (Policy.DEBUG_RESOLUTION) { |
| System.out.println("Viewer Binding: " + TAG_EXTENSION +//$NON-NLS-1$ |
| " to: " + anExtensionId); //$NON-NLS-1$ |
| } |
| return true; |
| } |
| } |
| |
| if (Policy.DEBUG_RESOLUTION) { |
| System.out.println("Viewer Binding: NOT FOUND: " + TAG_EXTENSION +//$NON-NLS-1$ |
| " to: " + anExtensionId); //$NON-NLS-1$ |
| } |
| knownIds.put(anExtensionId, Boolean.FALSE); |
| return false; |
| } |
| |
| boolean isRootExtension(String anExtensionId) { |
| if (rootPatterns.size() == 0) { |
| return false; |
| } |
| // Have we seen this pattern before? |
| if (knownRootIds.containsKey(anExtensionId)) { |
| // we have, don't recompute |
| return knownRootIds.get(anExtensionId).booleanValue(); |
| } |
| Pattern pattern = null; |
| for (Iterator<Pattern> itr = rootPatterns.iterator(); itr.hasNext();) { |
| pattern = itr.next(); |
| if (pattern.matcher(anExtensionId).matches()) { |
| knownRootIds.put(anExtensionId, Boolean.TRUE); |
| return true; |
| } |
| } |
| knownRootIds.put(anExtensionId, Boolean.FALSE); |
| return false; |
| } |
| |
| boolean hasOverriddenRootExtensions() { |
| return rootPatterns.size() > 0; |
| } |
| |
| void consumeIncludes(IConfigurationElement element, boolean toRespectRoots) { |
| |
| Assert.isTrue(NavigatorViewerDescriptor.TAG_INCLUDES.equals(element |
| .getName())); |
| IConfigurationElement[] contentExtensionPatterns = element |
| .getChildren(TAG_EXTENSION); |
| String isRootString = null; |
| boolean isRoot = false; |
| String patternString = null; |
| Pattern compiledPattern = null; |
| for (int i = 0; i < contentExtensionPatterns.length; i++) { |
| if (toRespectRoots) { |
| isRootString = contentExtensionPatterns[i] |
| .getAttribute(NavigatorViewerDescriptor.ATT_IS_ROOT); |
| isRoot = (isRootString != null) ? Boolean.valueOf( |
| isRootString.trim()).booleanValue() : false; |
| } |
| |
| patternString = contentExtensionPatterns[i] |
| .getAttribute(NavigatorViewerDescriptor.ATT_PATTERN); |
| if (patternString == null) { |
| NavigatorPlugin |
| .logError( |
| 0, |
| NLS |
| .bind( |
| CommonNavigatorMessages.Attribute_Missing_Warning, |
| new Object[] { |
| NavigatorViewerDescriptor.ATT_PATTERN, |
| element |
| .getDeclaringExtension() |
| .getUniqueIdentifier(), |
| element |
| .getDeclaringExtension() |
| .getNamespaceIdentifier() }), |
| null); |
| } else { |
| compiledPattern = Pattern.compile(patternString); |
| includePatterns.add(compiledPattern); |
| knownIds.clear();// Cache is now invlaid |
| if (toRespectRoots && isRoot) { |
| rootPatterns.add(compiledPattern); |
| } |
| } |
| } |
| |
| } |
| |
| void consumeExcludes(IConfigurationElement element) { |
| Assert.isTrue(NavigatorViewerDescriptor.TAG_EXCLUDES.equals(element |
| .getName())); |
| IConfigurationElement[] contentExtensionPatterns = element |
| .getChildren(TAG_EXTENSION); |
| String patternString = null; |
| Pattern compiledPattern = null; |
| for (int i = 0; i < contentExtensionPatterns.length; i++) { |
| |
| patternString = contentExtensionPatterns[i] |
| .getAttribute(NavigatorViewerDescriptor.ATT_PATTERN); |
| if (patternString == null) { |
| NavigatorPlugin |
| .logError( |
| 0, |
| NLS |
| .bind( |
| CommonNavigatorMessages.Attribute_Missing_Warning, |
| new Object[] { |
| NavigatorViewerDescriptor.ATT_PATTERN, |
| element |
| .getDeclaringExtension() |
| .getUniqueIdentifier(), |
| element |
| .getDeclaringExtension() |
| .getNamespaceIdentifier() }), |
| null); |
| } else { |
| compiledPattern = Pattern.compile(patternString); |
| excludePatterns.add(compiledPattern); |
| knownIds.clear();// Clear the cache |
| } |
| } |
| |
| } |
| |
| void addBinding(Binding otherBinding) { |
| includePatterns.addAll(otherBinding.includePatterns); |
| excludePatterns.addAll(otherBinding.excludePatterns); |
| rootPatterns.addAll(otherBinding.rootPatterns); |
| } |
| |
| } |