1 /*
   2  * Copyright (c) 2014, 2019, 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 
  26 package jdk.incubator.jpackage.internal;
  27 
  28 import java.util.Arrays;
  29 import java.util.Collection;
  30 import java.util.Collections;
  31 import java.util.ServiceLoader;
  32 import java.util.concurrent.CopyOnWriteArrayList;
  33 
  34 /**
  35  * BasicBundlers
  36  *
  37  * A basic bundlers collection that loads the default bundlers.
  38  * Loads the common bundlers.
  39  * <UL>
  40  *     <LI>Windows file image</LI>
  41  *     <LI>Mac .app</LI>
  42  *     <LI>Linux file image</LI>
  43  *     <LI>Windows MSI</LI>
  44  *     <LI>Windows EXE</LI>
  45  *     <LI>Mac DMG</LI>
  46  *     <LI>Mac PKG</LI>
  47  *     <LI>Linux DEB</LI>
  48  *     <LI>Linux RPM</LI>
  49  *
  50  * </UL>
  51  */
  52 public class BasicBundlers implements Bundlers {
  53 
  54     boolean defaultsLoaded = false;
  55 
  56     private final Collection<Bundler> bundlers = new CopyOnWriteArrayList<>();
  57 
  58     @Override
  59     public Collection<Bundler> getBundlers() {
  60         return Collections.unmodifiableCollection(bundlers);
  61     }
  62 
  63     @Override
  64     public Collection<Bundler> getBundlers(String type) {
  65         if (type == null) return Collections.emptySet();
  66         switch (type) {
  67             case "NONE":
  68                 return Collections.emptySet();
  69             case "ALL":
  70                 return getBundlers();
  71             default:
  72                 return Arrays.asList(getBundlers().stream()
  73                         .filter(b -> type.equalsIgnoreCase(b.getBundleType()))
  74                         .toArray(Bundler[]::new));
  75         }
  76     }
  77 
  78     // Loads bundlers from the META-INF/services direct
  79     @Override
  80     public void loadBundlersFromServices(ClassLoader cl) {
  81         ServiceLoader<Bundler> loader = ServiceLoader.load(Bundler.class, cl);
  82         for (Bundler aLoader : loader) {
  83             bundlers.add(aLoader);
  84         }
  85     }
  86 }