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
|
/*******************************************************************************
* Copyright (c) 2008, 2010 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.p2.artifact.repository;
import org.eclipse.equinox.p2.repository.artifact.spi.ArtifactRepositoryFactory;
import org.eclipse.equinox.p2.core.ProvisionException;
import java.io.*;
import java.net.URI;
import java.util.Map;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.internal.p2.core.helpers.Tracing;
import org.eclipse.equinox.internal.p2.persistence.CompositeRepositoryIO;
import org.eclipse.equinox.internal.p2.persistence.CompositeRepositoryState;
import org.eclipse.equinox.internal.p2.repository.RepositoryTransport;
import org.eclipse.equinox.internal.p2.repository.Transport;
import org.eclipse.equinox.p2.repository.IRepositoryManager;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepository;
import org.eclipse.equinox.p2.repository.artifact.IArtifactRepositoryManager;
import org.eclipse.osgi.util.NLS;
public class CompositeArtifactRepositoryFactory extends ArtifactRepositoryFactory {
private IArtifactRepositoryManager getManager() {
if (getAgent() != null)
return (IArtifactRepositoryManager) getAgent().getService(IArtifactRepositoryManager.SERVICE_NAME);
return null;
}
public IArtifactRepository load(URI location, int flags, IProgressMonitor monitor) throws ProvisionException {
final String PROTOCOL_FILE = "file"; //$NON-NLS-1$
long time = 0;
final String debugMsg = "Restoring artifact repository "; //$NON-NLS-1$
if (Tracing.DEBUG_METADATA_PARSING) {
Tracing.debug(debugMsg + location);
time = -System.currentTimeMillis();
}
File localFile = null;
boolean local = false;
try {
SubMonitor sub = SubMonitor.convert(monitor, 300);
OutputStream artifacts = null;
// try with compressed
boolean compress = true;
if (PROTOCOL_FILE.equals(location.getScheme())) {
local = true;
localFile = URIUtil.toFile(CompositeArtifactRepository.getActualLocation(location, true));
if (!localFile.exists()) {
localFile = URIUtil.toFile(CompositeArtifactRepository.getActualLocation(location, false));
compress = false;
}
} else {
//not local, return null if the caller wanted a modifiable repo
if ((flags & IRepositoryManager.REPOSITORY_HINT_MODIFIABLE) > 0) {
return null;
}
//download to local temp file
localFile = File.createTempFile(CompositeArtifactRepository.CONTENT_FILENAME, CompositeArtifactRepository.XML_EXTENSION);
try {
artifacts = new BufferedOutputStream(new FileOutputStream(localFile));
IStatus status = getTransport().download(CompositeArtifactRepository.getActualLocation(location, compress), artifacts, sub.newChild(100));
if (!status.isOK()) {
// retry uncompressed
compress = false;
status = getTransport().download(CompositeArtifactRepository.getActualLocation(location, compress), artifacts, sub.newChild(100));
if (!status.isOK())
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, ProvisionException.REPOSITORY_NOT_FOUND, status.getMessage(), null));
}
} finally {
if (artifacts != null)
artifacts.close();
}
}
InputStream descriptorStream = null;
try {
descriptorStream = new BufferedInputStream(new FileInputStream(localFile));
if (compress) {
URI actualLocation = CompositeArtifactRepository.getActualLocation(location, false);
JarInputStream jInStream = new JarInputStream(descriptorStream);
JarEntry jarEntry = jInStream.getNextJarEntry();
String filename = URIUtil.lastSegment(actualLocation);
while (jarEntry != null && filename != null && !(filename.equals(jarEntry.getName()))) {
jarEntry = jInStream.getNextJarEntry();
}
if (jarEntry == null) {
//there is a jar but the entry is missing or invalid, so treat this as an invalid repository
throw new IOException(NLS.bind(Messages.io_invalidLocation, actualLocation.getPath()));
}
descriptorStream = jInStream;
}
CompositeRepositoryIO io = new CompositeRepositoryIO();
CompositeRepositoryState resultState = io.read(localFile.toURL(), descriptorStream, CompositeArtifactRepository.PI_REPOSITORY_TYPE, sub.newChild(100));
if (resultState.getLocation() == null)
resultState.setLocation(location);
CompositeArtifactRepository result = new CompositeArtifactRepository(getManager(), resultState);
if (Tracing.DEBUG_METADATA_PARSING) {
time += System.currentTimeMillis();
Tracing.debug(debugMsg + "time (ms): " + time); //$NON-NLS-1$
}
return result;
} finally {
if (descriptorStream != null)
descriptorStream.close();
}
} catch (FileNotFoundException e) {
String msg = NLS.bind(Messages.io_failedRead, location);
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, ProvisionException.REPOSITORY_NOT_FOUND, msg, e));
} catch (IOException e) {
String msg = NLS.bind(Messages.io_failedRead, location);
throw new ProvisionException(new Status(IStatus.ERROR, Activator.ID, ProvisionException.REPOSITORY_FAILED_READ, msg, e));
} finally {
if (!local && localFile != null && !localFile.delete())
localFile.deleteOnExit();
}
}
public IArtifactRepository create(URI location, String name, String type, Map<String, String> properties) {
return new CompositeArtifactRepository(getManager(), location, name, properties);
}
private Transport getTransport() {
return RepositoryTransport.getInstance();
}
}
|
