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
|
/*******************************************************************************
* Copyright (c) 2007, 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Prashant Deva - Bug 194674 [prov] Provide write access to metadata repository
*******************************************************************************/
package org.eclipse.equinox.internal.p2.metadata.repository;
import java.net.URI;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.URIUtil;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.Collector;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.InstallableUnitQuery;
import org.eclipse.equinox.internal.provisional.spi.p2.metadata.repository.AbstractMetadataRepository;
import org.eclipse.equinox.p2.metadata.query.IQuery;
import org.eclipse.equinox.p2.metadata.query.IQueryResult;
/**
* A metadata repository backed by an arbitrary URL.
*/
public class URLMetadataRepository extends AbstractMetadataRepository {
public static final String CONTENT_FILENAME = "content"; //$NON-NLS-1$
public static final String XML_EXTENSION = ".xml"; //$NON-NLS-1$
private static final String REPOSITORY_TYPE = URLMetadataRepository.class.getName();
private static final Integer REPOSITORY_VERSION = new Integer(1);
transient protected URI content;
protected IUMap units = new IUMap();
public static URI getActualLocation(URI base) {
return getActualLocation(base, XML_EXTENSION);
}
public static URI getActualLocation(URI base, String extension) {
if (extension == null)
extension = XML_EXTENSION;
return URIUtil.append(base, CONTENT_FILENAME + extension);
}
public URLMetadataRepository() {
super();
}
public URLMetadataRepository(URI location, String name, Map properties) {
super(name == null ? (location != null ? location.toString() : "") : name, REPOSITORY_TYPE, REPOSITORY_VERSION.toString(), location, null, null, properties); //$NON-NLS-1$
content = getActualLocation(location);
}
// this is synchronized because content can be initialized in initializeAfterLoad
protected synchronized URI getContentURL() {
return content;
}
public synchronized void initialize(RepositoryState state) {
this.name = state.Name;
this.type = state.Type;
this.version = state.Version.toString();
this.provider = state.Provider;
this.description = state.Description;
this.location = state.Location;
this.properties = state.Properties;
this.units.addAll(state.Units);
}
// Use this method to setup any transient fields etc after the object has been restored from a stream
public synchronized void initializeAfterLoad(URI repoLocation) {
this.location = repoLocation;
content = getActualLocation(location);
}
public boolean isModifiable() {
return false;
}
public synchronized IQueryResult query(IQuery query, IProgressMonitor monitor) {
if (query instanceof InstallableUnitQuery)
return units.query((InstallableUnitQuery) query);
return query.perform(units.iterator(), new Collector());
}
}
|
