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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.model.tosca.converters;
import com.google.common.base.Strings;
import com.google.gson.*;
import fj.data.Either;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.config.BeEcompErrorManager;
import org.openecomp.sdc.be.model.DataTypeDefinition;
import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
import org.openecomp.sdc.be.model.tosca.validators.DataTypeValidatorConverter;
import org.openecomp.sdc.be.model.tosca.validators.ListValidator;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.openecomp.sdc.common.util.GsonFactory;
import org.openecomp.sdc.common.util.JsonUtils;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
public class MapConverter implements PropertyValueConverter {
private static MapConverter mapConverter = new MapConverter();
private static Gson gson = GsonFactory.getGson();
private static final Logger log = Logger.getLogger(ListValidator.class.getName());
DataTypeValidatorConverter dataTypeValidatorConverter = DataTypeValidatorConverter.getInstance();
private static JsonParser jsonParser = new JsonParser();
public static MapConverter getInstance() {
return mapConverter;
}
public String convert(String value, String innerType, Map<String, DataTypeDefinition> dataTypes) {
Either<String, Boolean> convertWithErrorResult = this.convertWithErrorResult(value, innerType, dataTypes);
if (convertWithErrorResult.isRight()) {
return null;
}
return convertWithErrorResult.left().value();
}
public Either<String, Boolean> convertWithErrorResult(String value, String innerType,
Map<String, DataTypeDefinition> dataTypes) {
if (Strings.isNullOrEmpty(value) || innerType == null) {
return Either.left(value);
}
PropertyValueConverter innerConverter;
PropertyValueConverter keyConverter = ToscaPropertyType.STRING.getConverter();
ToscaPropertyType innerToscaType = ToscaPropertyType.isValidType(innerType);
if (innerToscaType != null) {
switch (innerToscaType) {
case STRING:
innerConverter = ToscaPropertyType.STRING.getConverter();
break;
case INTEGER:
innerConverter = ToscaPropertyType.INTEGER.getConverter();
break;
case FLOAT:
innerConverter = ToscaPropertyType.FLOAT.getConverter();
break;
case BOOLEAN:
innerConverter = ToscaPropertyType.BOOLEAN.getConverter();
break;
case JSON:
innerConverter = ToscaPropertyType.JSON.getConverter();
break;
default:
log.debug("inner Tosca Type is unknown");
return Either.left(value);
}
} else {
log.debug("inner Tosca Type {} ia a complex data type.", innerType);
return convertComplexInnerType(value, innerType, keyConverter,
dataTypes);
}
try {
Map<String, String> newMap = new HashMap<>();
JsonElement jsonObject = jsonParser.parse(value);
JsonObject asJsonObject = jsonObject.getAsJsonObject();
Set<Entry<String, JsonElement>> entrySet = asJsonObject.entrySet();
for (Entry<String, JsonElement> entry : entrySet) {
String key = entry.getKey();
JsonElement jsonValue = entry.getValue();
key = keyConverter.convert(entry.getKey(), null, dataTypes);
String element = JsonUtils.toString(jsonValue);
String val = innerConverter.convert(element, null, dataTypes);
newMap.put(key, val);
}
String objVal;
switch (innerToscaType) {
case STRING:
value = gson.toJson(newMap);
break;
case INTEGER:
String key = null;
Map<String, Integer> intMap = new HashMap<>();
for (Map.Entry<String, String> entry : newMap.entrySet()) {
objVal = entry.getValue();
key = entry.getKey();
if (objVal != null) {
intMap.put(key, Integer.valueOf(objVal.toString()));
} else {
intMap.put(key, null);
}
}
value = gson.toJson(intMap);
break;
case FLOAT:
value = "{";
for (Map.Entry<String, String> entry : newMap.entrySet()) {
objVal = entry.getValue();
if (objVal == null) {
objVal = "null";
}
key = entry.getKey();
value += "\"" + key + "\":" + objVal.toString() + ",";
}
value = value.substring(0, value.length() - 1);
value += "}";
break;
case BOOLEAN:
Map<String, Boolean> boolMap = new HashMap<>();
for (Map.Entry<String, String> entry : newMap.entrySet()) {
objVal = entry.getValue();
key = entry.getKey();
if (objVal != null) {
boolMap.put(key, Boolean.valueOf(objVal.toString()));
} else {
boolMap.put(key, null);
}
}
value = gson.toJson(boolMap);
break;
default:
value = gson.toJson(newMap);
log.debug("inner Tosca Type unknown : {}", innerToscaType);
}
} catch (JsonParseException e) {
log.debug("Failed to parse json : {}", value, e);
BeEcompErrorManager.getInstance().logBeInvalidJsonInput("Map Converter");
return Either.right(false);
}
return Either.left(value);
}
/**
* convert the json value of map when the inner type is a complex data type
*
* @param value
* @param innerType
* @param keyConverter
* @param allDataTypes
* @return
*/
private Either<String, Boolean> convertComplexInnerType(String value, String innerType,
PropertyValueConverter keyConverter, Map<String, DataTypeDefinition> allDataTypes) {
DataTypeDefinition dataTypeDefinition = allDataTypes.get(innerType);
if (dataTypeDefinition == null) {
log.debug("Cannot find data type {}", innerType);
return Either.right(false);
}
Map<String, JsonElement> newMap = new HashMap<>();
try {
JsonElement jsonObject = jsonParser.parse(value);
JsonObject asJsonObject = jsonObject.getAsJsonObject();
Set<Entry<String, JsonElement>> entrySet = asJsonObject.entrySet();
for (Entry<String, JsonElement> entry : entrySet) {
String currentKey = keyConverter.convert(entry.getKey(), null, allDataTypes);
JsonElement currentValue = entry.getValue();
if (currentValue != null) {
String element = JsonUtils.toString(currentValue);
ImmutablePair<JsonElement, Boolean> validateAndUpdate = dataTypeValidatorConverter
.validateAndUpdate(element, dataTypeDefinition, allDataTypes);
if (!validateAndUpdate.right.booleanValue()) {
log.debug("Cannot parse value {} from type {} of key {}",currentValue,innerType,currentKey);
return Either.right(false);
}
JsonElement newValue = validateAndUpdate.left;
newMap.put(currentKey, newValue);
} else {
newMap.put(currentKey, null);
}
}
} catch (Exception e) {
log.debug("Cannot parse value {} of map from inner type {}", value, innerType);
return Either.right(false);
}
value = gson.toJson(newMap);
return Either.left(value);
}
}
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