catalog-model/src/main/java/org/openecomp/sdc/be/model/tosca/validators/ListValidator.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.model.tosca.validators;
  22
  23 import com.google.gson.JsonArray;
  24 import com.google.gson.JsonElement;
  25 import com.google.gson.JsonParser;
  26 import com.google.gson.JsonSyntaxException;
  27 import org.openecomp.sdc.be.config.BeEcompErrorManager;
  28 import org.openecomp.sdc.be.model.DataTypeDefinition;
  29 import org.openecomp.sdc.be.model.tosca.ToscaPropertyType;
  30 import org.openecomp.sdc.common.util.JsonUtils;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import java.util.Map;
  35
  36 public class ListValidator implements PropertyTypeValidator {
  37
  38         private static ListValidator listValidator = new ListValidator();
  39
  40         private static Logger log = LoggerFactory.getLogger(ListValidator.class.getName());
  41
  42         private static JsonParser jsonParser = new JsonParser();
  43
  44         private static DataTypeValidatorConverter dataTypeValidatorConverter = DataTypeValidatorConverter.getInstance();
  45
  46         public static ListValidator getInstance() {
  47                 return listValidator;
  48         }
  49
  50         @Override
  51         public boolean isValid(String value, String innerType, Map<String, DataTypeDefinition> allDataTypes) {
  52
  53                 log.debug("Going to validate value {} with inner type {}", value, innerType);
  54
  55                 if (value == null || value == "") {
  56                         return true;
  57                 }
  58                 if (innerType == null) {
  59                         return false;
  60                 }
  61
  62                 PropertyTypeValidator innerValidator;
  63
  64                 ToscaPropertyType innerToscaType = ToscaPropertyType.isValidType(innerType);
  65
  66                 if (innerToscaType != null) {
  67                         switch (innerToscaType) {
  68                         case STRING:
  69                                 innerValidator = ToscaPropertyType.STRING.getValidator();
  70                                 break;
  71                         case INTEGER:
  72                                 innerValidator = ToscaPropertyType.INTEGER.getValidator();
  73                                 break;
  74                         case FLOAT:
  75                                 innerValidator = ToscaPropertyType.FLOAT.getValidator();
  76                                 break;
  77                         case BOOLEAN:
  78                                 innerValidator = ToscaPropertyType.BOOLEAN.getValidator();
  79                                 break;
  80                         case JSON:
  81                                 innerValidator = ToscaPropertyType.JSON.getValidator();
  82                                 break;
  83                         default:
  84                                 log.debug("inner Tosca Type is unknown. {}", innerToscaType);
  85                                 return false;
  86                         }
  87
  88                 } else {
  89                         log.debug("inner Tosca Type is: {}", innerType);
  90
  91                         boolean isValid = validateComplexInnerType(value, innerType, allDataTypes);
  92                         log.debug("Finish to validate value {} of list with inner type {}. result is {}",value,innerType,isValid);
  93                         return isValid;
  94                 }
  95
  96                 try {
  97                         JsonArray jo = (JsonArray) jsonParser.parse(value);
  98                         if(ToscaPropertyType.JSON == innerToscaType)
  99                                 return true;
 100                         int size = jo.size();
 101                         for (int i = 0; i < size; i++) {
 102                                 JsonElement currentValue = jo.get(i);
 103                                 String element = JsonUtils.toString(currentValue);
 104                                 if (!innerValidator.isValid(element, null, allDataTypes)) {
 105                                         log.debug("validation of element : {} failed", element);
 106                                         return false;
 107                                 }
 108
 109                         }
 110                         return true;
 111
 112                 } catch (JsonSyntaxException e) {
 113                         log.debug("Failed to parse json : {}", value, e);
 114                         BeEcompErrorManager.getInstance().logBeInvalidJsonInput("List Validator");
 115                 }
 116
 117                 return false;
 118
 119         }
 120
 121         @Override
 122         public boolean isValid(String value, String innerType) {
 123                 return isValid(value, innerType, null);
 124         }
 125
 126         private boolean validateComplexInnerType(String value, String innerType,
 127                         Map<String, DataTypeDefinition> allDataTypes) {
 128
 129                 DataTypeDefinition innerDataTypeDefinition = allDataTypes.get(innerType);
 130                 if (innerDataTypeDefinition == null) {
 131                         log.debug("Data type {} cannot be found in our data types.", innerType);
 132                         return false;
 133                 }
 134
 135                 try {
 136
 137                         JsonArray jo = (JsonArray) jsonParser.parse(value);
 138                         int size = jo.size();
 139                         for (int i = 0; i < size; i++) {
 140                                 JsonElement currentValue = jo.get(i);
 141                                 if (currentValue != null) {
 142                                         String element = JsonUtils.toString(currentValue);
 143                                         boolean isValid = dataTypeValidatorConverter.isValid(element, innerDataTypeDefinition,
 144                                                         allDataTypes);
 145                                         if (isValid == false) {
 146                                                 log.debug("Cannot parse value {} from type {} in list parameter",currentValue,innerType);
 147                                                 return false;
 148                                         }
 149                                 }
 150                         }
 151
 152                 } catch (Exception e) {
 153                         log.debug("Error when parsing JSON of object of type ", e);
 154                         return false;
 155                 }
 156
 157                 return true;
 158         }
 159 }