Tools/Java/Source/FrameworkWizard/src/org/tianocore/frameworkwizard/far/AggregationOperation.java

   1 /** @file
   2
   3  Copyright (c) 2006, Intel Corporation
   4  All rights reserved. This program and the accompanying materials
   5  are licensed and made available under the terms and conditions of the BSD License
   6  which accompanies this distribution.  The full text of the license may be found at
   7  http://opensource.org/licenses/bsd-license.php
   8
   9  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12  **/
  13
  14 package org.tianocore.frameworkwizard.far;
  15
  16 import java.util.ArrayList;
  17 import java.util.Iterator;
  18 import java.util.List;
  19
  20 import org.tianocore.frameworkwizard.packaging.PackageIdentification;
  21
  22 public class AggregationOperation {
  23
  24     public static synchronized List<PackageIdentification> union(List<PackageIdentification> list1,
  25                                                                  List<PackageIdentification> list2) {
  26         List<PackageIdentification> result = new ArrayList<PackageIdentification>();
  27         result.addAll(list1);
  28         Iterator<PackageIdentification> iter = list2.iterator();
  29         while (iter.hasNext()) {
  30             PackageIdentification item = iter.next();
  31             if (!belongs(item, result)) {
  32                 result.add(item);
  33             }
  34         }
  35         return result;
  36     }
  37
  38     public static synchronized List<PackageIdentification> intersection(List<PackageIdentification> list1,
  39                                                                         List<PackageIdentification> list2) {
  40         List<PackageIdentification> result = new ArrayList<PackageIdentification>();
  41         Iterator<PackageIdentification> iter = list1.iterator();
  42         while (iter.hasNext()) {
  43             PackageIdentification item = iter.next();
  44             if (belongs(item, list2)) {
  45                 result.add(item);
  46             }
  47         }
  48         return result;
  49     }
  50
  51     public static synchronized List<PackageIdentification> minus(List<PackageIdentification> list1,
  52                                                                  List<PackageIdentification> list2) {
  53         List<PackageIdentification> result = new ArrayList<PackageIdentification>();
  54         Iterator<PackageIdentification> iter = list1.iterator();
  55         while (iter.hasNext()) {
  56             PackageIdentification item = iter.next();
  57             if (!belongs(item, list2)) {
  58                 result.add(item);
  59             }
  60         }
  61         return result;
  62     }
  63
  64     public static synchronized boolean belongs(PackageIdentification o, List<PackageIdentification> list) {
  65         Iterator<PackageIdentification> iter = list.iterator();
  66         while (iter.hasNext()) {
  67             if (iter.next().equalsWithGuid(o)) {
  68                 return true;
  69             }
  70         }
  71         return false;
  72     }
  73
  74     public static synchronized List<PackageIdentification> getExistedItems(PackageIdentification o,
  75                                                                            List<PackageIdentification> list) {
  76         List<PackageIdentification> result = new ArrayList<PackageIdentification>();
  77         Iterator<PackageIdentification> iter = list.iterator();
  78         while (iter.hasNext()) {
  79             PackageIdentification item = iter.next();
  80             if (item.equalsWithGuid(o)) {
  81                 result.add(item);
  82             }
  83         }
  84         return result;
  85     }
  86 }