Sho SHIMIZU | e4efe45 | 2015-08-26 15:06:55 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame^] | 2 | * Copyright 2015-present Open Networking Laboratory |
Sho SHIMIZU | e4efe45 | 2015-08-26 15:06:55 -0700 | [diff] [blame] | 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 | |
Sho SHIMIZU | 8700d42 | 2015-08-26 18:13:44 -0700 | [diff] [blame] | 18 | import org.onosproject.ovsdb.rfc.exception.AbnormalJsonNodeException; |
Sho SHIMIZU | e4efe45 | 2015-08-26 15:06:55 -0700 | [diff] [blame] | 19 | import org.onosproject.ovsdb.rfc.utils.ObjectMapperUtil; |
| 20 | |
| 21 | import com.fasterxml.jackson.databind.JsonNode; |
| 22 | |
| 23 | /** |
| 24 | * ColumnType Factory class. |
| 25 | */ |
| 26 | public final class ColumnTypeFactory { |
| 27 | |
| 28 | /** |
| 29 | * Constructs a ColumnTypeFactory object. This class should not be |
| 30 | * instantiated. |
| 31 | */ |
| 32 | private ColumnTypeFactory() { |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Those Json's key/value pairs. |
| 37 | */ |
| 38 | public enum Type { |
| 39 | KEY("key"), VALUE("value"); |
| 40 | |
| 41 | private final String type; |
| 42 | |
| 43 | private Type(String type) { |
| 44 | this.type = type; |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * Returns the type for Type. |
| 49 | * @return the type |
| 50 | */ |
| 51 | public String type() { |
| 52 | return type; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * JsonNode like |
| 58 | * "flow_tables":{"type":{"key":{"maxInteger":254,"minInteger":0,"type": |
| 59 | * "integer"},"min":0,"value":{"type":"uuid","refTable":"Flow_Table"},"max": |
| 60 | * "unlimited"}}. |
| 61 | * @param columnTypeJson the ColumnType JsonNode |
| 62 | * @return ColumnType |
| 63 | */ |
| 64 | public static ColumnType getColumnTypeFromJson(JsonNode columnTypeJson) { |
| 65 | if (!columnTypeJson.isObject() || !columnTypeJson.has(Type.VALUE.type())) { |
| 66 | return createAtomicColumnType(columnTypeJson); |
| 67 | } else if (!columnTypeJson.isValueNode() && columnTypeJson.has(Type.VALUE.type())) { |
| 68 | return createKeyValuedColumnType(columnTypeJson); |
| 69 | } |
| 70 | String message = "Abnormal ColumnType JsonNode, it should be AtomicColumnType or KeyValuedColumnType" |
| 71 | + ObjectMapperUtil.convertToString(columnTypeJson); |
| 72 | throw new AbnormalJsonNodeException(message); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Create AtomicColumnType entity. |
| 77 | * @param json JsonNode |
| 78 | * @return AtomicColumnType entity |
| 79 | */ |
| 80 | private static AtomicColumnType createAtomicColumnType(JsonNode json) { |
| 81 | BaseType baseType = BaseTypeFactory.getBaseTypeFromJson(json, Type.KEY.type()); |
| 82 | int min = 1; |
| 83 | int max = 1; |
| 84 | JsonNode node = json.get("min"); |
| 85 | if (node != null && node.isNumber()) { |
| 86 | min = node.asInt(); |
| 87 | } |
| 88 | node = json.get("max"); |
| 89 | if (node != null) { |
| 90 | if (node.isNumber()) { |
| 91 | max = node.asInt(); |
| 92 | } else if (node.isTextual() && "unlimited".equals(node.asText())) { |
| 93 | max = Integer.MAX_VALUE; |
| 94 | } |
| 95 | } |
| 96 | return new AtomicColumnType(baseType, min, max); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Create KeyValuedColumnType entity. |
| 101 | * @param json JsonNode |
| 102 | * @return KeyValuedColumnType entity |
| 103 | */ |
| 104 | private static KeyValuedColumnType createKeyValuedColumnType(JsonNode json) { |
| 105 | BaseType keyType = BaseTypeFactory.getBaseTypeFromJson(json, Type.KEY.type()); |
| 106 | BaseType valueType = BaseTypeFactory.getBaseTypeFromJson(json, Type.VALUE.type()); |
| 107 | int min = 1; |
| 108 | int max = 1; |
| 109 | JsonNode node = json.get("min"); |
| 110 | if (node != null && node.isNumber()) { |
| 111 | min = node.asInt(); |
| 112 | } |
| 113 | node = json.get("max"); |
| 114 | if (node != null) { |
| 115 | if (node.isNumber()) { |
| 116 | max = node.asInt(); |
| 117 | } else if (node.isTextual() && "unlimited".equals(node.asText())) { |
| 118 | max = Integer.MAX_VALUE; |
| 119 | } |
| 120 | } |
| 121 | return new KeyValuedColumnType(keyType, valueType, min, max); |
| 122 | } |
| 123 | } |