ExcludeFilesPlugin.java revision 13901:b2a69d66dc65 
1/*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25package jdk.tools.jlink.internal.plugins;
26
27import java.io.IOException;
28import java.io.UncheckedIOException;
29import java.util.Collections;
30import java.util.HashSet;
31import java.util.Map;
32import java.util.Set;
33import java.util.function.Predicate;
34import jdk.tools.jlink.plugin.TransformerPlugin;
35import jdk.tools.jlink.plugin.Pool;
36import jdk.tools.jlink.plugin.Pool.ModuleDataType;
37import jdk.tools.jlink.internal.Utils;
38
39/**
40 *
41 * Exclude files plugin
42 */
43public final class ExcludeFilesPlugin implements TransformerPlugin {
44
45    public static final String NAME = "exclude-files";
46    private Predicate<String> predicate;
47
48    @Override
49    public String getName() {
50        return NAME;
51    }
52
53    @Override
54    public void visit(Pool in, Pool out) {
55        in.visit((file) -> {
56            if (!file.getType().equals(ModuleDataType.CLASS_OR_RESOURCE)) {
57                file = predicate.test(file.getPath()) ? file : null;
58            }
59            return file;
60        }, out);
61    }
62
63    @Override
64    public Set<PluginType> getType() {
65        Set<PluginType> set = new HashSet<>();
66        set.add(CATEGORY.FILTER);
67        return Collections.unmodifiableSet(set);
68    }
69
70    @Override
71    public String getDescription() {
72        return PluginsResourceBundle.getDescription(NAME);
73    }
74
75    @Override
76    public boolean hasArguments() {
77        return true;
78    }
79
80    @Override
81    public String getArgumentsDescription() {
82       return PluginsResourceBundle.getArgument(NAME);
83    }
84
85    @Override
86    public void configure(Map<String, String> config) {
87        try {
88            String value = config.get(NAME);
89            predicate = new ResourceFilter(Utils.listParser.apply(value), true);
90        } catch (IOException ex) {
91            throw new UncheckedIOException(ex);
92        }
93    }
94}
95