blob: e5398c4fd636d8fd6200ae2696f17f4b1ac99a7d (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2009 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
******************************************************************************/
package org.eclipse.equinox.internal.provisional.p2.ui;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.QueryHelpers;
import java.net.URI;
import java.util.Iterator;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.Collector;
import org.eclipse.equinox.internal.provisional.p2.metadata.query.Query;
import org.eclipse.equinox.internal.provisional.p2.repository.IRepository;
/**
* RepositoryLocationQuery is a query that gathers repository
* locations rather than repositories. It is used when composing
* queries against a QueryableRepositoryManager to indicate that the
* repository need not be loaded to run the query.
*
* @since 3.5
*/
public class RepositoryLocationQuery implements Query {
/**
* Gets the ID for this Query.
*/
public String getId() {
return QueryHelpers.getId(this);
}
/**
* Gets a particular property of the query.
* @param property The property to retrieve
*/
public Object getProperty(String property) {
return QueryHelpers.getProperty(this, property);
}
/* (non-Javadoc)
* @see org.eclipse.equinox.internal.provisional.p2.query.Query#perform(java.util.Iterator, org.eclipse.equinox.internal.provisional.p2.query.Collector)
*/
public Collector perform(Iterator iterator, Collector result) {
while (iterator.hasNext()) {
Object candidate = iterator.next();
URI location = getLocation(candidate);
if (location != null)
if (!result.accept(location))
break;
}
return result;
}
private URI getLocation(Object o) {
if (o instanceof URI)
return (URI) o;
if (o instanceof IRepository)
return ((IRepository) o).getLocation();
return null;
}
}
|
