org.eclipse.egit.ui/src/org/eclipse/egit/ui/internal/reflog/ReflogItem.java

   1 /*******************************************************************************
   2  * Copyright (C) 2017, Thomas Wolf <thomas.wolf@paranor.ch>
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License 2.0
   6  * which accompanies this distribution, and is available at
   7  * https://www.eclipse.org/legal/epl-2.0/
   8  *
   9  * SPDX-License-Identifier: EPL-2.0
  10  *******************************************************************************/
  11 package org.eclipse.egit.ui.internal.reflog;
  12
  13 import java.util.Objects;
  14
  15 import org.eclipse.core.runtime.IAdaptable;
  16 import org.eclipse.egit.core.internal.IRepositoryObject;
  17 import org.eclipse.egit.ui.internal.reflog.ReflogViewContentProvider.ReflogInput;
  18 import org.eclipse.jgit.lib.CheckoutEntry;
  19 import org.eclipse.jgit.lib.ObjectId;
  20 import org.eclipse.jgit.lib.PersonIdent;
  21 import org.eclipse.jgit.lib.ReflogEntry;
  22 import org.eclipse.jgit.lib.Repository;
  23
  24 /**
  25  * A DTO for {@link ReflogEntry} to use as tree elements in the reflog view.
  26  * Also adapts to the repository the item was loaded from.
  27  */
  28 public class ReflogItem implements ReflogEntry, IAdaptable, IRepositoryObject {
  29
  30         private final ReflogEntry entry;
  31
  32         private final ReflogInput input;
  33
  34         private final String commitMessage;
  35
  36         ReflogItem(ReflogInput input, ReflogEntry entry, String commitMessage) {
  37                 this.entry = entry;
  38                 this.input = input;
  39                 this.commitMessage = commitMessage;
  40         }
  41
  42         @SuppressWarnings("unchecked")
  43         @Override
  44         public Object getAdapter(Class adapter) {
  45                 // TODO generify once EGit base version is Eclipse 4.5
  46                 if (adapter.isInstance(this)) {
  47                         return this;
  48                 } else if (Repository.class.equals(adapter)) {
  49                         return getRepository();
  50                 }
  51                 return null;
  52         }
  53
  54         @Override
  55         public ObjectId getOldId() {
  56                 return entry.getOldId();
  57         }
  58
  59         @Override
  60         public ObjectId getNewId() {
  61                 return entry.getNewId();
  62         }
  63
  64         @Override
  65         public PersonIdent getWho() {
  66                 return entry.getWho();
  67         }
  68
  69         @Override
  70         public String getComment() {
  71                 return entry.getComment();
  72         }
  73
  74         @Override
  75         public CheckoutEntry parseCheckout() {
  76                 return entry.parseCheckout();
  77         }
  78
  79         /**
  80          * @return the (short) commit message of the commit, if any, or {@code null}
  81          *         otherwise.
  82          */
  83         public String getCommitMessage() {
  84                 return commitMessage;
  85         }
  86
  87         @Override
  88         public boolean equals(Object obj) {
  89                 if (obj == this) {
  90                         return true;
  91                 }
  92                 if (!(obj instanceof ReflogItem)) {
  93                         return false;
  94                 }
  95                 ReflogItem other = (ReflogItem) obj;
  96                 return input == other.input
  97                                 && Objects.equals(commitMessage, other.commitMessage)
  98                                 && Objects.equals(getNewId(), other.getNewId())
  99                                 && Objects.equals(getOldId(), other.getOldId())
 100                                 && Objects.equals(getWho(), other.getWho())
 101                                 && Objects.equals(getComment(), other.getComment());
 102         }
 103
 104         @Override
 105         public int hashCode() {
 106                 return Objects.hash(input, commitMessage, getNewId(), getOldId(),
 107                                 getWho(), getComment());
 108         }
 109
 110         @Override
 111         public Repository getRepository() {
 112                 return input.getRepository();
 113         }
 114
 115         @Override
 116         public ObjectId getObjectId() {
 117                 return getNewId();
 118         }
 119 }