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
|
/*******************************************************************************
* Copyright (c) 2015, 2018 Mykola Nikishov.
*
* 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:
* Mykola Nikishov - initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.p2.internal.repository.comparator;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.artifact.repository.Activator;
import org.eclipse.equinox.internal.p2.repository.helpers.ChecksumHelper;
import org.eclipse.equinox.p2.internal.repository.tools.Messages;
import org.eclipse.equinox.p2.repository.artifact.IArtifactDescriptor;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepository;
import org.eclipse.equinox.p2.repository.tools.comparator.IArtifactComparator;
import org.eclipse.osgi.util.NLS;
/**
* A comparator that compares two artifacts by checking the checksum
* recorded in the artifact descriptor. This comparator doesn't actually compute
* checksums directly.
*/
final public class ArtifactChecksumComparator implements IArtifactComparator {
final public static String COMPARATOR_ID = "org.eclipse.equinox.artifact.comparator.checksum"; //$NON-NLS-1$
final private String name;
final private String id;
/**
* @param checksumId
* @param checksumName human-readable name of the checksum algorithm
*/
public ArtifactChecksumComparator(String checksumId, String checksumName) {
this.name = checksumName;
this.id = checksumId;
}
@Override
final public IStatus compare(IArtifactRepository source, IArtifactDescriptor sourceDescriptor, IArtifactRepository destination, IArtifactDescriptor destDescriptor) {
String sourceChecksum = ChecksumHelper.getChecksums(sourceDescriptor, IArtifactDescriptor.DOWNLOAD_CHECKSUM).get(id);
String destChecksum = ChecksumHelper.getChecksums(destDescriptor, IArtifactDescriptor.DOWNLOAD_CHECKSUM).get(id);
if (sourceChecksum == null && destChecksum == null)
return new Status(IStatus.INFO, Activator.ID, NLS.bind(Messages.info_noChecksumInfomation, name, sourceDescriptor));
if (sourceChecksum == null)
return new Status(IStatus.INFO, Activator.ID, NLS.bind(Messages.info_noChecksumInRepository, new Object[] {source, name, sourceDescriptor}));
if (destChecksum == null)
return new Status(IStatus.INFO, Activator.ID, NLS.bind(Messages.info_noChecksumInRepository, new Object[] {destination, name, destDescriptor}));
if (sourceChecksum.equals(destChecksum))
return Status.OK_STATUS;
return new Status(IStatus.WARNING, Activator.ID, NLS.bind(Messages.warning_different_checksum, new Object[] {URIUtil.toUnencodedString(sourceDescriptor.getRepository().getLocation()), URIUtil.toUnencodedString(destDescriptor.getRepository().getLocation()), name, sourceDescriptor}));
}
}
|
