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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*******************************************************************************
* Copyright (c) 2015 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.tests.performance.git;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.mapping.IModelProviderDescriptor;
import org.eclipse.core.resources.mapping.ModelProvider;
import org.eclipse.core.resources.mapping.RemoteResourceMappingContext;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.resources.mapping.ResourceMappingContext;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.core.Activator;
import org.eclipse.egit.core.synchronize.GitResourceVariantTreeSubscriber;
import org.eclipse.egit.core.synchronize.GitSubscriberMergeContext;
import org.eclipse.egit.core.synchronize.GitSubscriberResourceMappingContext;
import org.eclipse.egit.core.synchronize.dto.GitSynchronizeData;
import org.eclipse.egit.core.synchronize.dto.GitSynchronizeDataSet;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.team.core.subscribers.Subscriber;
import org.eclipse.team.core.subscribers.SubscriberScopeManager;
/**
* @author <a href="mailto:axel.richard@obeo.fr">Axel Richard</a>
*
*/
@SuppressWarnings("restriction")
public final class GitUtil {
/**
* This will unzip the repository contained in the given zip location in the given destination.
*
* @param zipLocation
* the zip (that contains the repository) location.
* @param destination
* the destination
* @param monitor
* {@link IProgressMonitor} that will be used to monitor the operation.
*/
public static void unzipRepo(URL zipLocation, String destination, IProgressMonitor monitor) {
try {
final ZipInputStream zipFileStream = new ZipInputStream(zipLocation.openStream());
ZipEntry zipEntry = zipFileStream.getNextEntry();
while (zipEntry != null) {
// We will construct the new file but we will strip off the project
// directory from the beginning of the path because we have already
// created the destination project for this zip.
final File file = new File(destination, zipEntry.getName());
if (!zipEntry.isDirectory()) {
/*
* Copy files (and make sure parent directory exist)
*/
final File parentFile = file.getParentFile();
if (null != parentFile && !parentFile.exists()) {
parentFile.mkdirs();
}
OutputStream os = null;
try {
os = new FileOutputStream(file);
final int bufferSize = 102400;
final byte[] buffer = new byte[bufferSize];
while (true) {
final int len = zipFileStream.read(buffer);
if (zipFileStream.available() == 0) {
break;
}
os.write(buffer, 0, len);
}
} finally {
if (null != os) {
os.close();
}
}
}
zipFileStream.closeEntry();
zipEntry = zipFileStream.getNextEntry();
}
} catch (final IOException e) {
System.out.println(e);
}
}
/**
* Delete the repository (and all files contained in).
*
* @param repository
* the File representing the repository.
*/
public static void deleteRepo(File repository) {
if (repository.exists()) {
File[] files = repository.listFiles();
if (null != files) {
for (int i=0; i < files.length; i++) {
if (files[i].isDirectory()) {
deleteRepo(files[i]);
} else {
files[i].delete();
}
}
}
repository.delete();
}
}
/**
* Import the project from the given repository.
*
* @param repository
* the given repository.
* @param projectFilePath
* the path containing the project in the repository.
* @return the imported project, or null if import step fails.
*/
public static IProject importProjectFromRepo(File repository, String projectFilePath) {
try {
IProjectDescription description = ResourcesPlugin.getWorkspace().loadProjectDescription(new Path(repository.getPath() + File.separator + projectFilePath));
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(description.getName());
project.create(description, new NullProgressMonitor());
project.open(new NullProgressMonitor());
return project;
} catch (CoreException e) {
System.out.println(e);
}
return null;
}
/**
* Simulate a comparison between the two given references and returns back the subscriber that can provide
* all computed synchronization information.
*
* @param sourceRef
* Source reference (i.e. "left" side of the comparison).
* @param targetRef
* Target reference (i.e. "right" side of the comparison).
* @param comparedFile
* The file we are comparing (that would be the file right-clicked into the workspace).
* @return The created subscriber.
*/
public static Subscriber createSubscriberForComparison(Repository repository, String sourceRef, String targetRef, IFile comparedFile, List<Runnable> disposers)
throws IOException {
final GitSynchronizeData data = new GitSynchronizeData(repository, sourceRef, targetRef, false);
final GitSynchronizeDataSet dataSet = new GitSynchronizeDataSet(data);
final ResourceMapping[] mappings = getResourceMappings(comparedFile);
final GitResourceVariantTreeSubscriber subscriber = new GitResourceVariantTreeSubscriber(dataSet);
subscriber.init(new NullProgressMonitor());
final RemoteResourceMappingContext remoteContext = new GitSubscriberResourceMappingContext(
subscriber, dataSet);
final SubscriberScopeManager manager = new SubscriberScopeManager(subscriber.getName(), mappings,
subscriber, remoteContext, true);
final GitSubscriberMergeContext context = new GitSubscriberMergeContext(subscriber, manager, dataSet);
disposers.add(new Runnable() {
public void run() {
manager.dispose();
context.dispose();
subscriber.dispose();
}
});
return context.getSubscriber();
}
/**
* This will query all model providers for those that are enabled on the given file and list all mappings
* available for that file.
*
* @param file
* The file for which we need the associated resource mappings.
* @return All mappings available for that file.
*/
private static ResourceMapping[] getResourceMappings(IFile file) {
final IModelProviderDescriptor[] modelDescriptors = ModelProvider.getModelProviderDescriptors();
final Set<ResourceMapping> mappings = new LinkedHashSet<ResourceMapping>();
for (IModelProviderDescriptor candidate : modelDescriptors) {
try {
final IResource[] resources = candidate.getMatchingResources(new IResource[] {file, });
if (resources.length > 0) {
// get mappings from model provider if there are matching resources
final ModelProvider model = candidate.getModelProvider();
final ResourceMapping[] modelMappings = model.getMappings(file,
ResourceMappingContext.LOCAL_CONTEXT, null);
for (ResourceMapping mapping : modelMappings) {
mappings.add(mapping);
}
}
} catch (CoreException e) {
Activator.logError(e.getMessage(), e);
}
}
return mappings.toArray(new ResourceMapping[mappings.size()]);
}
}
|
