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
|
/*
* Copyright (c) 2014 Cisco Systems, Inc. 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
*/
package org.opendaylight.netconf.md.sal.rest.schema;
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import java.time.format.DateTimeParseException;
import java.util.Iterator;
import org.opendaylight.mdsal.dom.api.DOMYangTextSourceProvider;
import org.opendaylight.netconf.sal.restconf.impl.ControllerContext;
import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
import org.opendaylight.restconf.common.schema.SchemaExportContext;
import org.opendaylight.restconf.common.validation.RestconfValidationUtils;
import org.opendaylight.yangtools.yang.common.ErrorTag;
import org.opendaylight.yangtools.yang.common.ErrorType;
import org.opendaylight.yangtools.yang.common.Revision;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
public class SchemaRetrievalServiceImpl implements SchemaRetrievalService {
private final ControllerContext salContext;
private static final Splitter SLASH_SPLITTER = Splitter.on("/");
private static final String MOUNT_ARG = ControllerContext.MOUNT;
public SchemaRetrievalServiceImpl(final ControllerContext controllerContext) {
salContext = controllerContext;
}
@Override
public SchemaExportContext getSchema(final String mountAndModule) {
final SchemaContext schemaContext;
final Iterable<String> pathComponents = SLASH_SPLITTER.split(mountAndModule);
final Iterator<String> componentIter = pathComponents.iterator();
if (!Iterables.contains(pathComponents, MOUNT_ARG)) {
schemaContext = salContext.getGlobalSchema();
} else {
final StringBuilder pathBuilder = new StringBuilder();
while (componentIter.hasNext()) {
final String current = componentIter.next();
// It is argument, not last element.
if (pathBuilder.length() != 0) {
pathBuilder.append("/");
}
pathBuilder.append(current);
if (MOUNT_ARG.equals(current)) {
// We stop right at mountpoint, last two arguments should
// be module name and revision
break;
}
}
schemaContext = getMountSchemaContext(pathBuilder.toString());
}
RestconfDocumentedException.throwIf(!componentIter.hasNext(), "Module name must be supplied.",
ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
final String moduleName = componentIter.next();
RestconfDocumentedException.throwIf(!componentIter.hasNext(), "Revision date must be supplied.",
ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
final String revisionString = componentIter.next();
return getExportUsingNameAndRevision(schemaContext, moduleName, revisionString,
salContext.getYangTextSourceProvider());
}
private static SchemaExportContext getExportUsingNameAndRevision(final SchemaContext schemaContext,
final String moduleName, final String revisionStr,
final DOMYangTextSourceProvider yangTextSourceProvider) {
try {
final Module module = schemaContext.findModule(moduleName, Revision.of(revisionStr)).orElse(null);
return new SchemaExportContext(
schemaContext, RestconfValidationUtils.checkNotNullDocumented(module, moduleName),
yangTextSourceProvider);
} catch (final DateTimeParseException e) {
throw new RestconfDocumentedException("Supplied revision is not in expected date format YYYY-mm-dd", e);
}
}
private SchemaContext getMountSchemaContext(final String identifier) {
final InstanceIdentifierContext mountContext = salContext.toMountPointIdentifier(identifier);
return mountContext.getSchemaContext();
}
}
|
