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Diffstat (limited to 'framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/schema/type/BaseTypeFactory.java')
| -rw-r--r-- | framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/schema/type/BaseTypeFactory.java | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/schema/type/BaseTypeFactory.java b/framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/schema/type/BaseTypeFactory.java new file mode 100644 index 00000000..86dbb2e6 --- /dev/null +++ b/framework/src/onos/protocols/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/schema/type/BaseTypeFactory.java @@ -0,0 +1,214 @@ +/* + * Copyright 2015 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 java.util.Set; + +import org.onosproject.ovsdb.rfc.exception.AbnormalJsonNodeException; +import org.onosproject.ovsdb.rfc.schema.type.UuidBaseType.RefType; +import org.onosproject.ovsdb.rfc.utils.ObjectMapperUtil; + +import com.fasterxml.jackson.databind.JsonNode; +import com.google.common.collect.Sets; + +/** + * BaseType Factory class. + */ +public final class BaseTypeFactory { + + /** + * Constructs a BaseTypeFactory object. This class should not be + * instantiated. + */ + private BaseTypeFactory() { + } + + /** + * Create a BaseType from the JsonNode. + * @param baseTypeJson the BaseType JsonNode + * @param keyorval the key node or value node + * @return BaseType + */ + public static BaseType getBaseTypeFromJson(JsonNode baseTypeJson, String keyorval) { + if (baseTypeJson.isValueNode()) { + String type = baseTypeJson.asText().trim(); + return fromTypeStr(type); + } else { + if (!baseTypeJson.has(keyorval)) { + String message = "Abnormal BaseType JsonNode, it should contain 'key' or 'value' node but was not found" + + ObjectMapperUtil.convertToString(baseTypeJson); + throw new AbnormalJsonNodeException(message); + } + return fromJsonNode(baseTypeJson.get(keyorval)); + } + } + + /** + * Get BaseType by the type value of JsonNode. + * @param type the type value of JsonNode + * @return BaseType + */ + private static BaseType fromTypeStr(String type) { + switch (type) { + case "boolean": + return new BooleanBaseType(); + case "integer": + return new IntegerBaseType(); + case "real": + return new RealBaseType(); + case "string": + return new StringBaseType(); + case "uuid": + return new UuidBaseType(); + default: + return null; + } + } + + /** + * json like "string" or json like {"type" : "string", "enum": ["set", + * ["access", "native-tagged"]]}" for key or value. + * @param type JsonNode + */ + private static BaseType fromJsonNode(JsonNode type) { + if (type.isTextual()) { + return fromTypeStr(type.asText()); + } else if (type.isObject() && type.has("type")) { + String typeStr = type.get("type").asText(); + switch (typeStr) { + case "boolean": + return new BooleanBaseType(); + case "integer": + return getIntegerBaseType(type); + case "real": + return getRealBaseType(type); + case "string": + return getStringBaseType(type); + case "uuid": + return getUuidBaseType(type); + default: + return null; + } + } + return null; + } + + /** + * Get IntegerBaseType by the type value of JsonNode which contains the + * constraints. + * @param type the type value of JsonNode + * @return IntegerBaseType + */ + private static IntegerBaseType getIntegerBaseType(JsonNode type) { + int min = Integer.MIN_VALUE; + int max = Integer.MAX_VALUE; + Set<Integer> enums = Sets.newHashSet(); + JsonNode node = type.get("minInteger"); + if (node != null) { + min = node.asInt(); + } + node = type.get("maxInteger"); + if (node != null) { + max = node.asInt(); + } + if (type.has("enum")) { + JsonNode anEnum = type.get("enum").get(1); + for (JsonNode n : anEnum) { + enums.add(n.asInt()); + } + } + return new IntegerBaseType(min, max, enums); + } + + /** + * Get RealBaseType by the type value of JsonNode which contains the + * constraints. + * @param type the type value of JsonNode + * @return RealBaseType + */ + private static RealBaseType getRealBaseType(JsonNode type) { + double min = Double.MIN_VALUE; + double max = Double.MAX_VALUE; + Set<Double> enums = Sets.newHashSet(); + JsonNode node = type.get("minReal"); + if (node != null) { + min = node.asDouble(); + } + node = type.get("maxReal"); + if (node != null) { + max = node.asDouble(); + } + if (type.has("enum")) { + JsonNode anEnum = type.get("enum").get(1); + for (JsonNode n : anEnum) { + enums.add(n.asDouble()); + } + } + return new RealBaseType(min, max, enums); + } + + /** + * Get StringBaseType by the type value of JsonNode which contains the + * constraints. + * @param type the type value of JsonNode + * @return StringBaseType + */ + private static StringBaseType getStringBaseType(JsonNode type) { + int minLength = Integer.MIN_VALUE; + int maxLength = Integer.MAX_VALUE; + Set<String> enums = Sets.newHashSet(); + JsonNode node = type.get("minLength"); + if (node != null) { + minLength = node.asInt(); + } + node = type.get("maxLength"); + if (node != null) { + maxLength = node.asInt(); + } + if (type.has("enum")) { + JsonNode enumVal = type.get("enum"); + if (enumVal.isArray()) { + JsonNode anEnum = enumVal.get(1); + for (JsonNode n : anEnum) { + enums.add(n.asText()); + } + } else if (enumVal.isTextual()) { + enums.add(enumVal.asText()); + } + } + return new StringBaseType(minLength, maxLength, enums); + } + + /** + * Get UuidBaseType by the type value of JsonNode which contains the + * constraints. + * @param type the type value of JsonNode + * @return UuidBaseType + */ + private static UuidBaseType getUuidBaseType(JsonNode type) { + String refTable = null; + String refType = RefType.STRONG.refType(); + JsonNode node = type.get("refTable"); + if (node != null) { + refTable = node.asText(); + } + node = type.get("refType"); + if (node != null) { + refType = node.asText(); + } + return new UuidBaseType(refTable, refType); + } +} |