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  */
  25 package jdk.tools.jlink.internal.plugins;
  26 
  27 import java.util.Collections;
  28 import java.util.Map;
  29 import java.util.function.Predicate;
  30 import jdk.tools.jlink.plugin.TransformerPlugin;
  31 import jdk.tools.jlink.plugin.ModuleEntry;
  32 import jdk.tools.jlink.plugin.ModulePool;
  33 
  34 /**
  35  *
  36  * Exclude resources plugin
  37  */
  38 public final class ExcludePlugin implements TransformerPlugin {
  39 
  40     public static final String NAME = "exclude-resources";
  41     private Predicate<String> predicate;
  42 
  43     @Override
  44     public String getName() {
  45         return NAME;
  46     }
  47 
  48     @Override
  49     public void visit(ModulePool in, ModulePool out) {
  50         in.transformAndCopy((resource) -> {
  51             if (resource.getType().equals(ModuleEntry.Type.CLASS_OR_RESOURCE)) {
  52                 resource = predicate.test(resource.getPath()) ? resource : null;
  53             }
  54             return resource;
  55         }, out);
  56     }
  57 
  58     @Override
  59     public String getDescription() {
  60         return PluginsResourceBundle.getDescription(NAME);
  61     }
  62 
  63     @Override
  64     public boolean hasArguments() {
  65         return true;
  66     }
  67 
  68     @Override
  69     public String getArgumentsDescription() {
  70        return PluginsResourceBundle.getArgument(NAME);
  71     }
  72 
  73     @Override
  74     public Category getType() {
  75         return Category.FILTER;
  76     }
  77 
  78     @Override
  79     public void configure(Map<String, String> config) {
  80         predicate = ResourceFilter.excludeFilter(config.get(NAME));
  81     }
  82 }