001//////////////////////////////////////////////////////////////////////////////// 002// checkstyle: Checks Java source code for adherence to a set of rules. 003// Copyright (C) 2001-2018 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 { 034 035 /** Filter set. */ 036 private final Set<BeforeExecutionFileFilter> beforeExecutionFileFilters = new HashSet<>(); 037 038 /** 039 * Adds a Filter to the set. 040 * @param filter the Filter to add. 041 */ 042 public void addBeforeExecutionFileFilter(BeforeExecutionFileFilter filter) { 043 beforeExecutionFileFilters.add(filter); 044 } 045 046 /** 047 * Removes filter. 048 * @param filter filter to remove. 049 */ 050 public void removeBeforeExecutionFileFilter(BeforeExecutionFileFilter filter) { 051 beforeExecutionFileFilters.remove(filter); 052 } 053 054 /** 055 * Returns the Filters of the filter set. 056 * @return the Filters of the filter set. 057 */ 058 public Set<BeforeExecutionFileFilter> getBeforeExecutionFileFilters() { 059 return Collections.unmodifiableSet(beforeExecutionFileFilters); 060 } 061 062 @Override 063 public String toString() { 064 return beforeExecutionFileFilters.toString(); 065 } 066 067 @Override 068 public boolean accept(String uri) { 069 boolean result = true; 070 for (BeforeExecutionFileFilter filter : beforeExecutionFileFilters) { 071 if (!filter.accept(uri)) { 072 result = false; 073 break; 074 } 075 } 076 return result; 077 } 078 079 /** Clears the BeforeExecutionFileFilterSet. */ 080 public void clear() { 081 beforeExecutionFileFilters.clear(); 082 } 083 084}