1 /*
   2  * Copyright (c) 2012, 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.io.File;
  29 import java.util.Collection;
  30 import java.util.LinkedHashSet;
  31 import java.util.Set;
  32 
  33 /**
  34  * RelativeFileSet
  35  *
  36  * A class encapsulating a directory and a set of files within it.
  37  */
  38 class RelativeFileSet {
  39 
  40     private File basedir;
  41     private Set<String> files = new LinkedHashSet<>();
  42 
  43     RelativeFileSet(File base, Collection<File> files) {
  44         basedir = base;
  45         String baseAbsolute = basedir.getAbsolutePath();
  46         for (File f: files) {
  47             String absolute = f.getAbsolutePath();
  48             if (!absolute.startsWith(baseAbsolute)) {
  49                 throw new RuntimeException("File " + f.getAbsolutePath() +
  50                         " does not belong to " + baseAbsolute);
  51             }
  52             if (!absolute.equals(baseAbsolute)) {
  53                     // possible in jpackage case
  54                 this.files.add(absolute.substring(baseAbsolute.length()+1));
  55             }
  56         }
  57     }
  58 
  59     RelativeFileSet(File base, Set<File> files) {
  60         this(base, (Collection<File>) files);
  61     }
  62 
  63     File getBaseDirectory() {
  64         return basedir;
  65     }
  66 
  67     Set<String> getIncludedFiles() {
  68         return files;
  69     }
  70 
  71     @Override
  72     public String toString() {
  73         if (files.size() ==  1) {
  74             return "" + basedir + File.pathSeparator + files;
  75         }
  76         return "RelativeFileSet {basedir:" + basedir
  77                 + ", files: {" + files + "}";
  78     }
  79 
  80 }