| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.tools.jlink.internal.plugins; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.PathMatcher; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.function.Predicate; |
| import jdk.tools.jlink.internal.Utils; |
| import jdk.tools.jlink.plugin.PluginException; |
| |
| /** |
| * |
| * Filter resource resources using path matcher. |
| */ |
| public class ResourceFilter implements Predicate<String> { |
| private final static List<String> EMPTY_LIST = Collections.emptyList(); |
| |
| private final List<PathMatcher> matchers; |
| private final boolean include; |
| private final boolean otherwise; |
| |
| private ResourceFilter(List<String> patterns, boolean exclude) { |
| Objects.requireNonNull(patterns); |
| this.matchers = new ArrayList<>(); |
| |
| for (String pattern : patterns) { |
| if (pattern.startsWith("@")) { |
| File file = new File(pattern.substring(1)); |
| |
| if (file.exists()) { |
| List<String> lines; |
| |
| try { |
| lines = Files.readAllLines(file.toPath()); |
| } catch (IOException ex) { |
| throw new PluginException(ex); |
| } |
| |
| lines.stream().forEach((line) -> { |
| matchers.add(Utils.getJRTFSPathMatcher(line.trim())); |
| }); |
| } else { |
| System.err.println("warning - the filter file " + file + |
| " is empty or not present."); |
| } |
| } else { |
| matchers.add(Utils.getJRTFSPathMatcher(pattern)); |
| } |
| } |
| |
| this.include = !exclude; |
| this.otherwise = exclude || this.matchers.isEmpty(); |
| } |
| |
| public static ResourceFilter includeFilter(List<String> patterns) { |
| Objects.requireNonNull(patterns); |
| return new ResourceFilter(patterns, false); |
| } |
| |
| public static ResourceFilter includeFilter(String patterns) { |
| if (patterns == null) { |
| return includeFilter(EMPTY_LIST); |
| } |
| |
| return includeFilter(Utils.parseList(patterns)); |
| } |
| |
| public static ResourceFilter excludeFilter(List<String> patterns) { |
| Objects.requireNonNull(patterns); |
| return new ResourceFilter(patterns, true); |
| } |
| |
| public static ResourceFilter excludeFilter(String patterns) { |
| if (patterns == null) { |
| return excludeFilter(EMPTY_LIST); |
| } |
| |
| return excludeFilter(Utils.parseList(patterns)); |
| } |
| |
| @Override |
| public boolean test(String name) { |
| Objects.requireNonNull(name); |
| Path path = Utils.getJRTFSPath(name); |
| |
| for (PathMatcher matcher : matchers) { |
| if (matcher.matches(path)) { |
| return include; |
| } |
| } |
| |
| return otherwise; |
| } |
| } |