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
|
/*******************************************************************************
* Copyright (c) 2008, 2020 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Ray Braithwood (ray@genuitec.com) - fix for bug 220605
* Code 9 - ongoing development
* Sonatype, Inc. - transport split
* Christoph Läubrich - Bug 481443 - CLassCastException While Downloading Repository that loads fine in RCP target
*******************************************************************************/
package org.eclipse.equinox.internal.p2.updatesite.metadata;
import java.io.File;
import java.net.*;
import java.util.Map;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.metadata.repository.LocalMetadataRepository;
import org.eclipse.equinox.internal.p2.metadata.repository.SimpleMetadataRepositoryFactory;
import org.eclipse.equinox.internal.p2.repository.Transport;
import org.eclipse.equinox.internal.p2.updatesite.*;
import org.eclipse.equinox.p2.core.ProvisionException;
import org.eclipse.equinox.p2.publisher.*;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.metadata.IMetadataRepository;
import org.eclipse.equinox.p2.repository.metadata.spi.MetadataRepositoryFactory;
import org.eclipse.osgi.util.NLS;
public class UpdateSiteMetadataRepositoryFactory extends MetadataRepositoryFactory {
private static final String PROP_SITE_CHECKSUM = "site.checksum"; //$NON-NLS-1$
public static URI getLocalRepositoryLocation(URI location) {
String stateDirName = Integer.toString(location.hashCode());
File bundleData = Activator.getBundleContext().getDataFile(null);
File stateDir = new File(bundleData, stateDirName);
return stateDir.toURI();
}
@Override
public IMetadataRepository create(URI location, String name, String type, Map<String, String> properties) {
return null;
}
@Override
public IMetadataRepository load(URI location, int flags, IProgressMonitor monitor) throws ProvisionException {
// return null if the caller wanted a modifiable repo
if ((flags & IRepositoryManager.REPOSITORY_HINT_MODIFIABLE) > 0) {
return null;
}
if (!isURL(location)) {
return null;
}
IMetadataRepository repository = loadRepository(location, monitor);
try {
initializeRepository(repository, location, monitor);
} catch (Exception e) {
try {
resetCache(repository);
} catch (RuntimeException rte) {
e.addSuppressed(rte);
}
if (e instanceof ProvisionException)
throw (ProvisionException) e;
if (e instanceof OperationCanceledException)
throw (OperationCanceledException) e;
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID,
NLS.bind(Messages.Unexpected_exception, location.toString()), e));
}
return new UpdateSiteMetadataRepository(location, repository);
}
private static boolean isURL(URI location) {
try {
new URL(location.toASCIIString());
} catch (MalformedURLException e) {
return false;
}
return true;
}
private void resetCache(IMetadataRepository repository) {
repository.setProperty(PROP_SITE_CHECKSUM, "0"); //$NON-NLS-1$
repository.removeAll();
}
public IMetadataRepository loadRepository(URI location, IProgressMonitor monitor) {
URI localRepositoryURL = getLocalRepositoryLocation(location);
SimpleMetadataRepositoryFactory factory = new SimpleMetadataRepositoryFactory();
factory.setAgent(getAgent());
try {
return factory.load(localRepositoryURL, 0, monitor);
} catch (ProvisionException e) {
// fall through and create a new repository
}
String repositoryName = "update site: " + location; //$NON-NLS-1$
return factory.create(localRepositoryURL, repositoryName, null, null);
}
public void initializeRepository(IMetadataRepository repository, URI location, IProgressMonitor monitor)
throws ProvisionException {
UpdateSite updateSite = UpdateSite.load(location, getAgent().getService(Transport.class), monitor);
String savedChecksum = repository.getProperties().get(PROP_SITE_CHECKSUM);
if (savedChecksum != null && savedChecksum.equals(updateSite.getChecksum()))
return;
repository.setProperty(PROP_SITE_CHECKSUM, updateSite.getChecksum());
repository.removeAll();
IStatus status = generateMetadata(updateSite, repository, monitor);
// site references should be published on load
if (repository instanceof LocalMetadataRepository)
((LocalMetadataRepository) repository).publishRepositoryReferences();
if (monitor.isCanceled())
throw new OperationCanceledException();
if (!status.isOK())
throw new ProvisionException(status);
}
private IStatus generateMetadata(UpdateSite updateSite, IMetadataRepository repository, IProgressMonitor monitor) {
PublisherInfo info = new PublisherInfo();
info.setMetadataRepository(repository);
IPublisherAction[] actions = new IPublisherAction[] { new RemoteUpdateSiteAction(updateSite, null) };
Publisher publisher = new Publisher(info);
return publisher.publish(actions, monitor);
}
}
|
