| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.jdt.internal.corext.util; |
| |
| import java.util.StringTokenizer; |
| |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| |
| import org.eclipse.jdt.core.IType; |
| |
| import org.eclipse.jdt.ui.PreferenceConstants; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.util.StringMatcher; |
| |
| /** |
| * |
| */ |
| public class TypeFilter implements IPropertyChangeListener { |
| |
| public static TypeFilter getDefault() { |
| return JavaPlugin.getDefault().getTypeFilter(); |
| } |
| |
| public static boolean isFiltered(String fullTypeName) { |
| return getDefault().filter(fullTypeName); |
| } |
| |
| public static boolean isFiltered(char[] fullTypeName) { |
| return getDefault().filter(new String(fullTypeName)); |
| } |
| |
| public static boolean isFiltered(char[] packageName, char[] typeName) { |
| return getDefault().filter(JavaModelUtil.concatenateName(packageName, typeName)); |
| } |
| |
| public static boolean isFiltered(IType type) { |
| TypeFilter typeFilter = getDefault(); |
| if (typeFilter.hasFilters()) { |
| return typeFilter.filter(JavaModelUtil.getFullyQualifiedName(type)); |
| } |
| return false; |
| } |
| |
| |
| private StringMatcher[] fStringMatchers; |
| |
| /** |
| * |
| */ |
| public TypeFilter() { |
| fStringMatchers= null; |
| PreferenceConstants.getPreferenceStore().addPropertyChangeListener(this); |
| } |
| |
| private synchronized StringMatcher[] getStringMatchers() { |
| if (fStringMatchers == null) { |
| String str= PreferenceConstants.getPreferenceStore().getString(PreferenceConstants.TYPEFILTER_ENABLED); |
| StringTokenizer tok= new StringTokenizer(str, ";"); //$NON-NLS-1$ |
| int nTokens= tok.countTokens(); |
| |
| fStringMatchers= new StringMatcher[nTokens]; |
| for (int i= 0; i < nTokens; i++) { |
| String curr= tok.nextToken(); |
| if (curr.length() > 0) { |
| if (curr.endsWith(".*")) { //$NON-NLS-1$ |
| curr= curr.substring(0, curr.length() - 2) + '*'; |
| } |
| fStringMatchers[i]= new StringMatcher(curr, false, false); |
| } |
| } |
| } |
| return fStringMatchers; |
| } |
| |
| public void dispose() { |
| PreferenceConstants.getPreferenceStore().removePropertyChangeListener(this); |
| fStringMatchers= null; |
| } |
| |
| |
| public boolean hasFilters() { |
| return getStringMatchers().length > 0; |
| } |
| |
| public boolean filter(String fullTypeName) { |
| StringMatcher[] matchers= getStringMatchers(); |
| for (int i= 0; i < matchers.length; i++) { |
| StringMatcher curr= matchers[i]; |
| if (curr.match(fullTypeName)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent) |
| */ |
| public synchronized void propertyChange(PropertyChangeEvent event) { |
| if (PreferenceConstants.TYPEFILTER_ENABLED.equals(event.getProperty())) { |
| fStringMatchers= null; |
| } |
| } |
| } |