Sho SHIMIZU | e4efe45 | 2015-08-26 15:06:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.ovsdb.rfc.schema.type; |
| 17 | |
| 18 | import java.util.Set; |
| 19 | |
Sho SHIMIZU | 8700d42 | 2015-08-26 18:13:44 -0700 | [diff] [blame] | 20 | import org.onosproject.ovsdb.rfc.exception.AbnormalJsonNodeException; |
Sho SHIMIZU | e4efe45 | 2015-08-26 15:06:55 -0700 | [diff] [blame] | 21 | import org.onosproject.ovsdb.rfc.schema.type.UuidBaseType.RefType; |
| 22 | import org.onosproject.ovsdb.rfc.utils.ObjectMapperUtil; |
| 23 | |
| 24 | import com.fasterxml.jackson.databind.JsonNode; |
| 25 | import com.google.common.collect.Sets; |
| 26 | |
| 27 | /** |
| 28 | * BaseType Factory class. |
| 29 | */ |
| 30 | public final class BaseTypeFactory { |
| 31 | |
| 32 | /** |
| 33 | * Constructs a BaseTypeFactory object. This class should not be |
| 34 | * instantiated. |
| 35 | */ |
| 36 | private BaseTypeFactory() { |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Create a BaseType from the JsonNode. |
| 41 | * @param baseTypeJson the BaseType JsonNode |
| 42 | * @param keyorval the key node or value node |
| 43 | * @return BaseType |
| 44 | */ |
| 45 | public static BaseType getBaseTypeFromJson(JsonNode baseTypeJson, String keyorval) { |
| 46 | if (baseTypeJson.isValueNode()) { |
| 47 | String type = baseTypeJson.asText().trim(); |
| 48 | return fromTypeStr(type); |
| 49 | } else { |
| 50 | if (!baseTypeJson.has(keyorval)) { |
| 51 | String message = "Abnormal BaseType JsonNode, it should contain 'key' or 'value' node but was not found" |
| 52 | + ObjectMapperUtil.convertToString(baseTypeJson); |
| 53 | throw new AbnormalJsonNodeException(message); |
| 54 | } |
| 55 | return fromJsonNode(baseTypeJson.get(keyorval)); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Get BaseType by the type value of JsonNode. |
| 61 | * @param type the type value of JsonNode |
| 62 | * @return BaseType |
| 63 | */ |
| 64 | private static BaseType fromTypeStr(String type) { |
| 65 | switch (type) { |
| 66 | case "boolean": |
| 67 | return new BooleanBaseType(); |
| 68 | case "integer": |
| 69 | return new IntegerBaseType(); |
| 70 | case "real": |
| 71 | return new RealBaseType(); |
| 72 | case "string": |
| 73 | return new StringBaseType(); |
| 74 | case "uuid": |
| 75 | return new UuidBaseType(); |
| 76 | default: |
| 77 | return null; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * json like "string" or json like {"type" : "string", "enum": ["set", |
| 83 | * ["access", "native-tagged"]]}" for key or value. |
| 84 | * @param type JsonNode |
| 85 | */ |
| 86 | private static BaseType fromJsonNode(JsonNode type) { |
| 87 | if (type.isTextual()) { |
| 88 | return fromTypeStr(type.asText()); |
| 89 | } else if (type.isObject() && type.has("type")) { |
| 90 | String typeStr = type.get("type").asText(); |
| 91 | switch (typeStr) { |
| 92 | case "boolean": |
| 93 | return new BooleanBaseType(); |
| 94 | case "integer": |
| 95 | return getIntegerBaseType(type); |
| 96 | case "real": |
| 97 | return getRealBaseType(type); |
| 98 | case "string": |
| 99 | return getStringBaseType(type); |
| 100 | case "uuid": |
| 101 | return getUuidBaseType(type); |
| 102 | default: |
| 103 | return null; |
| 104 | } |
| 105 | } |
| 106 | return null; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Get IntegerBaseType by the type value of JsonNode which contains the |
| 111 | * constraints. |
| 112 | * @param type the type value of JsonNode |
| 113 | * @return IntegerBaseType |
| 114 | */ |
| 115 | private static IntegerBaseType getIntegerBaseType(JsonNode type) { |
| 116 | int min = Integer.MIN_VALUE; |
| 117 | int max = Integer.MAX_VALUE; |
| 118 | Set<Integer> enums = Sets.newHashSet(); |
| 119 | JsonNode node = type.get("minInteger"); |
| 120 | if (node != null) { |
| 121 | min = node.asInt(); |
| 122 | } |
| 123 | node = type.get("maxInteger"); |
| 124 | if (node != null) { |
| 125 | max = node.asInt(); |
| 126 | } |
| 127 | if (type.has("enum")) { |
| 128 | JsonNode anEnum = type.get("enum").get(1); |
| 129 | for (JsonNode n : anEnum) { |
| 130 | enums.add(n.asInt()); |
| 131 | } |
| 132 | } |
| 133 | return new IntegerBaseType(min, max, enums); |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Get RealBaseType by the type value of JsonNode which contains the |
| 138 | * constraints. |
| 139 | * @param type the type value of JsonNode |
| 140 | * @return RealBaseType |
| 141 | */ |
| 142 | private static RealBaseType getRealBaseType(JsonNode type) { |
| 143 | double min = Double.MIN_VALUE; |
| 144 | double max = Double.MAX_VALUE; |
| 145 | Set<Double> enums = Sets.newHashSet(); |
| 146 | JsonNode node = type.get("minReal"); |
| 147 | if (node != null) { |
| 148 | min = node.asDouble(); |
| 149 | } |
| 150 | node = type.get("maxReal"); |
| 151 | if (node != null) { |
| 152 | max = node.asDouble(); |
| 153 | } |
| 154 | if (type.has("enum")) { |
| 155 | JsonNode anEnum = type.get("enum").get(1); |
| 156 | for (JsonNode n : anEnum) { |
| 157 | enums.add(n.asDouble()); |
| 158 | } |
| 159 | } |
| 160 | return new RealBaseType(min, max, enums); |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Get StringBaseType by the type value of JsonNode which contains the |
| 165 | * constraints. |
| 166 | * @param type the type value of JsonNode |
| 167 | * @return StringBaseType |
| 168 | */ |
| 169 | private static StringBaseType getStringBaseType(JsonNode type) { |
| 170 | int minLength = Integer.MIN_VALUE; |
| 171 | int maxLength = Integer.MAX_VALUE; |
| 172 | Set<String> enums = Sets.newHashSet(); |
| 173 | JsonNode node = type.get("minLength"); |
| 174 | if (node != null) { |
| 175 | minLength = node.asInt(); |
| 176 | } |
| 177 | node = type.get("maxLength"); |
| 178 | if (node != null) { |
| 179 | maxLength = node.asInt(); |
| 180 | } |
| 181 | if (type.has("enum")) { |
| 182 | JsonNode enumVal = type.get("enum"); |
| 183 | if (enumVal.isArray()) { |
| 184 | JsonNode anEnum = enumVal.get(1); |
| 185 | for (JsonNode n : anEnum) { |
| 186 | enums.add(n.asText()); |
| 187 | } |
| 188 | } else if (enumVal.isTextual()) { |
| 189 | enums.add(enumVal.asText()); |
| 190 | } |
| 191 | } |
| 192 | return new StringBaseType(minLength, maxLength, enums); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Get UuidBaseType by the type value of JsonNode which contains the |
| 197 | * constraints. |
| 198 | * @param type the type value of JsonNode |
| 199 | * @return UuidBaseType |
| 200 | */ |
| 201 | private static UuidBaseType getUuidBaseType(JsonNode type) { |
| 202 | String refTable = null; |
| 203 | String refType = RefType.STRONG.refType(); |
| 204 | JsonNode node = type.get("refTable"); |
| 205 | if (node != null) { |
| 206 | refTable = node.asText(); |
| 207 | } |
| 208 | node = type.get("refType"); |
| 209 | if (node != null) { |
| 210 | refType = node.asText(); |
| 211 | } |
| 212 | return new UuidBaseType(refTable, refType); |
| 213 | } |
| 214 | } |