1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*******************************************************************************
* Copyright (c) 2004, 2009 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.core.data;
import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;
import org.eclipse.core.runtime.Assert;
import org.eclipse.mylyn.internal.tasks.core.RepositoryModel;
import org.eclipse.mylyn.tasks.core.ITaskComment;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.core.data.ITaskAttributeDiff;
import org.eclipse.mylyn.tasks.core.data.ITaskDataDiff;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.core.data.TaskData;
/**
* @author Steffen Pingel
*/
public class TaskDataDiff implements ITaskDataDiff {
private final String[] ATTRIBUTES_IDS = new String[] { TaskAttribute.SUMMARY, TaskAttribute.DESCRIPTION,
TaskAttribute.PRODUCT, TaskAttribute.PRIORITY, TaskAttribute.USER_ASSIGNED, TaskAttribute.STATUS, };
private final TaskData newTaskData;
private final TaskData oldTaskData;
private final Set<ITaskComment> newComments = new LinkedHashSet<ITaskComment>();
private final Set<ITaskAttributeDiff> changedAttributes = new LinkedHashSet<ITaskAttributeDiff>();
private final RepositoryModel repositoryModel;
public boolean hasChanged;
private final TaskRepository repository;
public TaskDataDiff(RepositoryModel repositoryModel, TaskData newTaskData, TaskData oldTaskData) {
Assert.isNotNull(repositoryModel);
Assert.isNotNull(newTaskData);
this.repositoryModel = repositoryModel;
this.repository = newTaskData.getAttributeMapper().getTaskRepository();
this.newTaskData = newTaskData;
this.oldTaskData = oldTaskData;
this.hasChanged = true;
parse();
}
public boolean hasChanged() {
return hasChanged;
}
public void setHasChanged(boolean hasChanged) {
this.hasChanged = hasChanged;
}
public TaskRepository getRepository() {
return repository;
}
public TaskData getOldTaskData() {
return oldTaskData;
}
public TaskData getNewTaskData() {
return newTaskData;
}
public Collection<ITaskComment> getNewComments() {
return newComments;
}
public Collection<ITaskAttributeDiff> getChangedAttributes() {
return changedAttributes;
}
private void parse() {
for (String attributeId : ATTRIBUTES_IDS) {
TaskAttribute newAttribute = newTaskData.getRoot().getMappedAttribute(attributeId);
TaskAttribute oldAttribute = null;
if (oldTaskData != null) {
oldAttribute = oldTaskData.getRoot().getMappedAttribute(attributeId);
}
if (oldAttribute == null && newAttribute == null) {
continue;
}
addChangedAttribute(oldAttribute, newAttribute, true);
}
// other attributes that have changed on newTaskData
for (TaskAttribute newAttribute : newTaskData.getRoot().getAttributes().values()) {
TaskAttribute oldAttribute = null;
if (oldTaskData != null) {
oldAttribute = oldTaskData.getRoot().getMappedAttribute(newAttribute.getPath());
}
addChangedAttribute(oldAttribute, newAttribute, false);
}
// other attributes that have been removed from newTaskData
if (oldTaskData != null) {
for (TaskAttribute oldAttribute : oldTaskData.getRoot().getAttributes().values()) {
TaskAttribute newAttribute = newTaskData.getRoot().getMappedAttribute(oldAttribute.getPath());
if (newAttribute == null) {
addChangedAttribute(oldAttribute, newAttribute, false);
}
}
}
}
private void addChangedAttribute(TaskAttribute oldAttribute, TaskAttribute newAttribute, boolean ignoreKind) {
TaskAttribute attribute;
if (newAttribute != null) {
attribute = newAttribute;
} else {
attribute = oldAttribute;
}
String type = attribute.getMetaData().getType();
if (TaskAttribute.TYPE_COMMENT.equals(type)) {
addChangedComment(oldAttribute, newAttribute);
} else if (TaskAttribute.TYPE_OPERATION.equals(type)) {
// ignore
} else if (ignoreKind || attribute.getMetaData().getKind() != null) {
TaskAttributeDiff diff = new TaskAttributeDiff(oldAttribute, newAttribute);
if (diff.hasChanges()) {
changedAttributes.add(diff);
}
}
}
private void addChangedComment(TaskAttribute oldAttribute, TaskAttribute newAttribute) {
if (oldAttribute == null) {
ITaskComment comment = repositoryModel.createTaskComment(newAttribute);
if (comment != null) {
newComments.add(comment);
}
}
}
}
|
