blob: 83e076d53d5d676169041368001a542d151d2393 (
plain)
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
|
package org.onap.cps.cpspath.parser;
/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
import java.util.HashMap;
import java.util.Map;
import org.onap.cps.cpspath.parser.antlr4.CpsPathBaseListener;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.AncestorAxisContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.CpsPathWithDescendantAndLeafConditionsContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.CpsPathWithDescendantContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.CpsPathWithSingleLeafConditionContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.LeafConditionContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.MultipleValueConditionsContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.PrefixContext;
import org.onap.cps.cpspath.parser.antlr4.CpsPathParser.SingleValueConditionContext;
public class CpsPathBuilder extends CpsPathBaseListener {
final CpsPathQuery cpsPathQuery = new CpsPathQuery();
final Map<String, Object> leavesData = new HashMap<>();
@Override
public void exitPrefix(final PrefixContext ctx) {
cpsPathQuery.setXpathPrefix(ctx.getText());
}
@Override
public void exitLeafCondition(final LeafConditionContext ctx) {
Object comparisonValue = null;
if (ctx.IntegerLiteral() != null) {
comparisonValue = Integer.valueOf(ctx.IntegerLiteral().getText());
}
if (ctx.StringLiteral() != null) {
comparisonValue = stripFirstAndLastCharacter(ctx.StringLiteral().getText());
} else if (comparisonValue == null) {
throw new IllegalStateException("Unsupported comparison value encountered in expression" + ctx.getText());
}
leavesData.put(ctx.leafName().getText(), comparisonValue);
}
@Override
public void enterSingleValueCondition(final SingleValueConditionContext ctx) {
leavesData.clear();
}
@Override
public void enterMultipleValueConditions(final MultipleValueConditionsContext ctx) {
leavesData.clear();
}
@Override
public void exitSingleValueCondition(final SingleValueConditionContext ctx) {
final String leafName = ctx.leafCondition().leafName().getText();
cpsPathQuery.setLeafName(leafName);
cpsPathQuery.setLeafValue(leavesData.get(leafName));
}
@Override
public void exitCpsPathWithSingleLeafCondition(final CpsPathWithSingleLeafConditionContext ctx) {
cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_LEAF_VALUE);
}
@Override
public void exitCpsPathWithDescendant(final CpsPathWithDescendantContext ctx) {
cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_ANYWHERE);
cpsPathQuery.setDescendantName(cpsPathQuery.getXpathPrefix().substring(1));
}
@Override
public void exitCpsPathWithDescendantAndLeafConditions(
final CpsPathWithDescendantAndLeafConditionsContext ctx) {
cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_WITH_LEAF_VALUES);
cpsPathQuery.setDescendantName(cpsPathQuery.getXpathPrefix().substring(1));
cpsPathQuery.setLeavesData(leavesData);
}
@Override
public void exitAncestorAxis(final AncestorAxisContext ctx) {
cpsPathQuery.setAncestorSchemaNodeIdentifier(ctx.ancestorPath().getText());
}
CpsPathQuery build() {
return cpsPathQuery;
}
private static String stripFirstAndLastCharacter(final String wrappedString) {
return wrappedString.substring(1, wrappedString.length() - 1);
}
}
|