001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.common.utils; 023 024import java.util.ArrayList; 025 026/** 027 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 028 */ 029public class PathFilterSet extends ArrayList<PathFilter> implements PathFilter { 030 031 private static final long serialVersionUID = -2967683005810353014L; 032 033 private boolean isExclusive = true; 034 035 public PathFilterSet() { 036 037 } 038 039 public PathFilterSet(boolean isExclusive) { 040 this.isExclusive = isExclusive; 041 } 042 043 @Override 044 public boolean isExclusive() { 045 return !isExclusive; 046 } 047 048 @Override 049 public boolean accept(Path path) { 050 int inclusive = 0; 051 boolean defaultValue = false; 052 for (PathFilter filter : this) { 053 boolean ret = filter.accept(path); 054 if (ret) { 055 if (!filter.isExclusive()) { 056 inclusive++; 057 defaultValue = true; 058 } 059 } else { 060 if (filter.isExclusive()) { 061 return false; 062 } else { 063 inclusive++; 064 } 065 } 066 } 067 return inclusive == 0 || defaultValue; 068 } 069 070}