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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* ============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=========================================================
*/
package org.openecomp.sdc.be.tosca;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.JsonParser;
import com.google.gson.stream.JsonReader;
import java.io.StringReader;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.onap.sdc.tosca.datatypes.model.EntrySchema;
import org.openecomp.sdc.be.model.AttributeDefinition;
import org.openecomp.sdc.be.model.DataTypeDefinition;
import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
import org.openecomp.sdc.be.model.tosca.converters.DataTypePropertyConverter;
import org.openecomp.sdc.be.model.tosca.converters.ToscaMapValueConverter;
import org.openecomp.sdc.be.tosca.exception.ToscaConversionException;
import org.openecomp.sdc.be.tosca.model.ToscaAttribute;
import org.openecomp.sdc.be.tosca.model.ToscaSchemaDefinition;
import org.openecomp.sdc.common.log.enums.EcompLoggerErrorCode;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.tosca.datatypes.ToscaFunctions;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
/**
* Handles conversions between attribute objects.
*/
@Component
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
public class AttributeConverter {
private static final Logger LOGGER = Logger.getLogger(AttributeConverter.class);
private final Map<String, DataTypeDefinition> dataTypes;
private final ToscaMapValueConverter toscaMapValueConverter;
/**
* Creates an {@link AttributeConverter} with all the required data types.
*
* @param dataTypes all the data types required for the conversion
*/
public AttributeConverter(final Map<String, DataTypeDefinition> dataTypes) {
this.dataTypes = dataTypes;
toscaMapValueConverter = ToscaMapValueConverter.getInstance();
}
/**
* Converts an {@link AttributeDefinition} to a {@link ToscaAttribute}.
*
* @param attributeDefinition the attribute definition to be converted
* @return the {@link ToscaAttribute} instance based on the the given {@link AttributeDefinition} instance
*/
public ToscaAttribute convert(final AttributeDefinition attributeDefinition) throws ToscaConversionException {
final ToscaAttribute toscaAttribute = new ToscaAttribute();
LOGGER.trace("Converting attribute '{}' from type '{}' with default value '{}'", attributeDefinition.getName(), attributeDefinition.getType(),
attributeDefinition.getDefaultValue());
toscaAttribute.setEntrySchema(convert(attributeDefinition.getEntry_schema()));
toscaAttribute.setType(attributeDefinition.getType());
toscaAttribute.setDescription(attributeDefinition.getDescription());
toscaAttribute.setStatus(attributeDefinition.getStatus());
final Object defaultValue = convertToToscaObject(attributeDefinition.getName(), attributeDefinition.getType(),
attributeDefinition.getDefaultValue(), attributeDefinition.getEntry_schema(), false);
if (defaultValue != null) {
toscaAttribute.setDefault(defaultValue);
}
final Object value = convertToToscaObject(attributeDefinition.getName(), attributeDefinition.getType(), attributeDefinition.getValue(),
attributeDefinition.getEntry_schema(), false);
if (value != null) {
toscaAttribute.setValue(value);
}
return toscaAttribute;
}
private ToscaSchemaDefinition convert(final EntrySchema entrySchema) {
if (entrySchema == null) {
return null;
}
final ToscaSchemaDefinition toscaSchemaDefinition = new ToscaSchemaDefinition();
toscaSchemaDefinition.setType(entrySchema.getType());
toscaSchemaDefinition.setDescription(entrySchema.getDescription());
return toscaSchemaDefinition;
}
private Object convertToToscaObject(final String name, final String attributeType, String value, final EntrySchema schemaDefinition,
final boolean preserveEmptyValue) throws ToscaConversionException {
final String innerType = schemaDefinition == null ? attributeType : schemaDefinition.getType();
LOGGER.trace("Converting attribute '{}' of type '{}', value '{}', innerType '{}'", name, attributeType, value, innerType);
if (StringUtils.isEmpty(value)) {
value = getTypeDefaultValue(attributeType);
if (StringUtils.isEmpty(value)) {
return null;
}
}
try {
boolean isScalar = true;
ToscaPropertyType predefinedType = ToscaPropertyType.isValidType(attributeType);
if (predefinedType == null) {
//not predefined, search in existing data types
final DataTypeDefinition dataTypeDefinition = dataTypes.get(attributeType);
predefinedType = toscaMapValueConverter.isScalarType(dataTypeDefinition);
if (predefinedType == null) {
isScalar = false;
}
} else {
isScalar = ToscaPropertyType.getTypeIfScalar(predefinedType.getType()) != null;
}
final JsonElement valueAsJson = parseToJson(value);
if (isValueGetAttribute(valueAsJson)) {
return ToscaMapValueConverter.getInstance().handleComplexJsonValue(valueAsJson.getAsJsonObject());
}
//if it has a converter
if (predefinedType != null && predefinedType.getValueConverter() != null) {
LOGGER.trace("It's well defined type. convert it");
return predefinedType.getValueConverter().convertToToscaValue(value, innerType, dataTypes);
}
//no converter but scalar
if (isScalar) {
return toscaMapValueConverter.handleComplexJsonValue(valueAsJson);
}
//if it is a data type
return toscaMapValueConverter.convertDataTypeToToscaObject(innerType, dataTypes, null, false, valueAsJson, preserveEmptyValue);
} catch (final JsonParseException e) {
final String errorMsg = "Failed to parse json value";
LOGGER.error(EcompLoggerErrorCode.SCHEMA_ERROR, "Attribute Converter", errorMsg, e);
throw new ToscaConversionException(errorMsg, e);
} catch (final Exception e) {
final String errorMsg = "Unexpected error occurred while converting attribute value to TOSCA";
LOGGER.error(EcompLoggerErrorCode.UNKNOWN_ERROR, "Attribute Converter", errorMsg, e);
throw new ToscaConversionException(errorMsg, e);
}
}
private JsonElement parseToJson(final String value) {
final StringReader reader = new StringReader(value);
final JsonReader jsonReader = new JsonReader(reader);
jsonReader.setLenient(true);
return new JsonParser().parse(jsonReader);
}
private boolean isValueGetAttribute(final JsonElement valueAsJson) {
if (!valueAsJson.isJsonObject()) {
return false;
}
final JsonObject jsonObj = valueAsJson.getAsJsonObject();
return jsonObj.entrySet().size() == 1 && jsonObj.has(ToscaFunctions.GET_ATTRIBUTE.getFunctionName());
}
private String getTypeDefaultValue(final String attributeType) {
return DataTypePropertyConverter.getInstance().getDataTypePropertiesDefaultValuesRec(attributeType, dataTypes);
}
}
|
