001//////////////////////////////////////////////////////////////////////////////// 002// checkstyle: Checks Java source code for adherence to a set of rules. 003// Copyright (C) 2001-2017 the original author or authors. 004// 005// This library is free software; you can redistribute it and/or 006// modify it under the terms of the GNU Lesser General Public 007// License as published by the Free Software Foundation; either 008// version 2.1 of the License, or (at your option) any later version. 009// 010// This library is distributed in the hope that it will be useful, 011// but WITHOUT ANY WARRANTY; without even the implied warranty of 012// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013// Lesser General Public License for more details. 014// 015// You should have received a copy of the GNU Lesser General Public 016// License along with this library; if not, write to the Free Software 017// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018//////////////////////////////////////////////////////////////////////////////// 019 020package com.puppycrawl.tools.checkstyle.api; 021 022import java.util.Collections; 023import java.util.HashSet; 024import java.util.Set; 025 026/** 027 * A before execution file filter set applies filters to events. 028 * If a before execution file filter in the set rejects an event, then the 029 * event is rejected. Otherwise, the event is accepted. 030 * @author Richard Veach 031 */ 032public final class BeforeExecutionFileFilterSet 033 implements BeforeExecutionFileFilter { 034 /** Filter set. */ 035 private final Set<BeforeExecutionFileFilter> beforeExecutionFileFilters = new HashSet<>(); 036 037 /** 038 * Adds a Filter to the set. 039 * @param filter the Filter to add. 040 */ 041 public void addBeforeExecutionFileFilter(BeforeExecutionFileFilter filter) { 042 beforeExecutionFileFilters.add(filter); 043 } 044 045 /** 046 * Removes filter. 047 * @param filter filter to remove. 048 */ 049 public void removeBeforeExecutionFileFilter(BeforeExecutionFileFilter filter) { 050 beforeExecutionFileFilters.remove(filter); 051 } 052 053 /** 054 * Returns the Filters of the filter set. 055 * @return the Filters of the filter set. 056 */ 057 public Set<BeforeExecutionFileFilter> getBeforeExecutionFileFilters() { 058 return Collections.unmodifiableSet(beforeExecutionFileFilters); 059 } 060 061 @Override 062 public String toString() { 063 return beforeExecutionFileFilters.toString(); 064 } 065 066 @Override 067 public boolean accept(String uri) { 068 boolean result = true; 069 for (BeforeExecutionFileFilter filter : beforeExecutionFileFilters) { 070 if (!filter.accept(uri)) { 071 result = false; 072 break; 073 } 074 } 075 return result; 076 } 077 078 /** Clears the BeforeExecutionFileFilterSet. */ 079 public void clear() { 080 beforeExecutionFileFilters.clear(); 081 } 082}