1 //////////////////////////////////////////////////////////////////////////////// 2 // checkstyle: Checks Java source code for adherence to a set of rules. 3 // Copyright (C) 2001-2019 the original author or authors. 4 // 5 // This library is free software; you can redistribute it and/or 6 // modify it under the terms of the GNU Lesser General Public 7 // License as published by the Free Software Foundation; either 8 // version 2.1 of the License, or (at your option) any later version. 9 // 10 // This library is distributed in the hope that it will be useful, 11 // but WITHOUT ANY WARRANTY; without even the implied warranty of 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 // Lesser General Public License for more details. 14 // 15 // You should have received a copy of the GNU Lesser General Public 16 // License along with this library; if not, write to the Free Software 17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 //////////////////////////////////////////////////////////////////////////////// 19 20 package com.puppycrawl.tools.checkstyle.api; 21 22 import java.util.Collections; 23 import java.util.HashSet; 24 import java.util.Set; 25 26 /** 27 * A before execution file filter set applies filters to events. 28 * If a before execution file filter in the set rejects an event, then the 29 * event is rejected. Otherwise, the event is accepted. 30 */ 31 public final class BeforeExecutionFileFilterSet 32 implements BeforeExecutionFileFilter { 33 34 /** Filter set. */ 35 private final Set<BeforeExecutionFileFilter> beforeExecutionFileFilters = new HashSet<>(); 36 37 /** 38 * Adds a Filter to the set. 39 * @param filter the Filter to add. 40 */ 41 public void addBeforeExecutionFileFilter(BeforeExecutionFileFilter filter) { 42 beforeExecutionFileFilters.add(filter); 43 } 44 45 /** 46 * Removes filter. 47 * @param filter filter to remove. 48 */ 49 public void removeBeforeExecutionFileFilter(BeforeExecutionFileFilter filter) { 50 beforeExecutionFileFilters.remove(filter); 51 } 52 53 /** 54 * Returns the Filters of the filter set. 55 * @return the Filters of the filter set. 56 */ 57 public Set<BeforeExecutionFileFilter> getBeforeExecutionFileFilters() { 58 return Collections.unmodifiableSet(beforeExecutionFileFilters); 59 } 60 61 @Override 62 public String toString() { 63 return beforeExecutionFileFilters.toString(); 64 } 65 66 @Override 67 public boolean accept(String uri) { 68 boolean result = true; 69 for (BeforeExecutionFileFilter filter : beforeExecutionFileFilters) { 70 if (!filter.accept(uri)) { 71 result = false; 72 break; 73 } 74 } 75 return result; 76 } 77 78 /** Clears the BeforeExecutionFileFilterSet. */ 79 public void clear() { 80 beforeExecutionFileFilters.clear(); 81 } 82 83 }