| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * 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. |
| */ |
| package org.onosproject.ovsdb.rfc.schema.type; |
| |
| import org.onosproject.ovsdb.rfc.exception.AbnormalJsonNodeException; |
| import org.onosproject.ovsdb.rfc.utils.ObjectMapperUtil; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| |
| /** |
| * ColumnType Factory class. |
| */ |
| public final class ColumnTypeFactory { |
| |
| /** |
| * Constructs a ColumnTypeFactory object. This class should not be |
| * instantiated. |
| */ |
| private ColumnTypeFactory() { |
| } |
| |
| /** |
| * Those Json's key/value pairs. |
| */ |
| public enum Type { |
| KEY("key"), VALUE("value"); |
| |
| private final String type; |
| |
| private Type(String type) { |
| this.type = type; |
| } |
| |
| /** |
| * Returns the type for Type. |
| * @return the type |
| */ |
| public String type() { |
| return type; |
| } |
| } |
| |
| /** |
| * JsonNode like |
| * "flow_tables":{"type":{"key":{"maxInteger":254,"minInteger":0,"type": |
| * "integer"},"min":0,"value":{"type":"uuid","refTable":"Flow_Table"},"max": |
| * "unlimited"}}. |
| * @param columnTypeJson the ColumnType JsonNode |
| * @return ColumnType |
| */ |
| public static ColumnType getColumnTypeFromJson(JsonNode columnTypeJson) { |
| if (!columnTypeJson.isObject() || !columnTypeJson.has(Type.VALUE.type())) { |
| return createAtomicColumnType(columnTypeJson); |
| } else if (!columnTypeJson.isValueNode() && columnTypeJson.has(Type.VALUE.type())) { |
| return createKeyValuedColumnType(columnTypeJson); |
| } |
| String message = "Abnormal ColumnType JsonNode, it should be AtomicColumnType or KeyValuedColumnType" |
| + ObjectMapperUtil.convertToString(columnTypeJson); |
| throw new AbnormalJsonNodeException(message); |
| } |
| |
| /** |
| * Create AtomicColumnType entity. |
| * @param json JsonNode |
| * @return AtomicColumnType entity |
| */ |
| private static AtomicColumnType createAtomicColumnType(JsonNode json) { |
| BaseType baseType = BaseTypeFactory.getBaseTypeFromJson(json, Type.KEY.type()); |
| int min = 1; |
| int max = 1; |
| JsonNode node = json.get("min"); |
| if (node != null && node.isNumber()) { |
| min = node.asInt(); |
| } |
| node = json.get("max"); |
| if (node != null) { |
| if (node.isNumber()) { |
| max = node.asInt(); |
| } else if (node.isTextual() && "unlimited".equals(node.asText())) { |
| max = Integer.MAX_VALUE; |
| } |
| } |
| return new AtomicColumnType(baseType, min, max); |
| } |
| |
| /** |
| * Create KeyValuedColumnType entity. |
| * @param json JsonNode |
| * @return KeyValuedColumnType entity |
| */ |
| private static KeyValuedColumnType createKeyValuedColumnType(JsonNode json) { |
| BaseType keyType = BaseTypeFactory.getBaseTypeFromJson(json, Type.KEY.type()); |
| BaseType valueType = BaseTypeFactory.getBaseTypeFromJson(json, Type.VALUE.type()); |
| int min = 1; |
| int max = 1; |
| JsonNode node = json.get("min"); |
| if (node != null && node.isNumber()) { |
| min = node.asInt(); |
| } |
| node = json.get("max"); |
| if (node != null) { |
| if (node.isNumber()) { |
| max = node.asInt(); |
| } else if (node.isTextual() && "unlimited".equals(node.asText())) { |
| max = Integer.MAX_VALUE; |
| } |
| } |
| return new KeyValuedColumnType(keyType, valueType, min, max); |
| } |
| } |