Rama-Huawei | b711e5c | 2016-08-31 07:55:46 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present 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 | |
| 17 | package org.onosproject.yms.app.yob; |
| 18 | |
| 19 | import org.onosproject.yms.app.ydt.YdtExtendedContext; |
| 20 | import org.onosproject.yms.ydt.YdtType; |
| 21 | import org.slf4j.Logger; |
| 22 | import org.slf4j.LoggerFactory; |
| 23 | |
| 24 | import java.util.HashMap; |
| 25 | import java.util.Map; |
| 26 | |
| 27 | import static org.onosproject.yms.app.yob.YobConstants.YDT_TYPE_IS_NOT_SUPPORT; |
| 28 | import static org.onosproject.yms.ydt.YdtType.MULTI_INSTANCE_LEAF_VALUE_NODE; |
| 29 | import static org.onosproject.yms.ydt.YdtType.MULTI_INSTANCE_NODE; |
| 30 | import static org.onosproject.yms.ydt.YdtType.SINGLE_INSTANCE_LEAF_VALUE_NODE; |
| 31 | import static org.onosproject.yms.ydt.YdtType.SINGLE_INSTANCE_NODE; |
| 32 | |
| 33 | /** |
| 34 | * Represents an YANG object builder factory to create different types |
| 35 | * of YANG data tree node. |
| 36 | */ |
| 37 | final class YobHandlerFactory { |
| 38 | |
| 39 | private static final Logger log = |
| 40 | LoggerFactory.getLogger(YobSingleInstanceLeafHandler.class); |
| 41 | |
| 42 | /** |
| 43 | * Creates single instance node handler. |
| 44 | */ |
| 45 | private static YobSingleInstanceHandler singleInstanceNode = |
| 46 | new YobSingleInstanceHandler(); |
| 47 | |
| 48 | /** |
| 49 | * Creates multi instance node handler. |
| 50 | */ |
| 51 | private static YobMultiInstanceHandler multiInstanceNode = |
| 52 | new YobMultiInstanceHandler(); |
| 53 | |
| 54 | /** |
| 55 | * Creates single instance leaf node handler. |
| 56 | */ |
| 57 | private static YobSingleInstanceLeafHandler singleInstanceLeaf = |
| 58 | new YobSingleInstanceLeafHandler(); |
| 59 | |
| 60 | /** |
| 61 | * Creates multi instance leaf node handler. |
| 62 | */ |
| 63 | private static YobMultiInstanceLeafHandler multiInstanceLeaf = |
| 64 | new YobMultiInstanceLeafHandler(); |
| 65 | |
| 66 | /** |
| 67 | * Map of YANG object builder handler. |
| 68 | */ |
| 69 | private static Map<YdtType, YobHandler> yobHandlerHashMap = |
| 70 | new HashMap<>(); |
| 71 | |
| 72 | /** |
| 73 | * Create instance of YobHandlerFactory. |
| 74 | */ |
| 75 | YobHandlerFactory() { |
| 76 | yobHandlerHashMap.put(SINGLE_INSTANCE_NODE, singleInstanceNode); |
| 77 | yobHandlerHashMap.put(MULTI_INSTANCE_NODE, multiInstanceNode); |
| 78 | yobHandlerHashMap.put(SINGLE_INSTANCE_LEAF_VALUE_NODE, |
| 79 | singleInstanceLeaf); |
| 80 | yobHandlerHashMap.put(MULTI_INSTANCE_LEAF_VALUE_NODE, |
| 81 | multiInstanceLeaf); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Returns the corresponding YOB handler for current context. |
| 86 | * |
| 87 | * @param ydtExtendedContext ydtExtendedContext is used to get application |
| 88 | * related information maintained in YDT |
| 89 | * @return YANG object builder node |
| 90 | */ |
| 91 | YobHandler getYobHandlerForContext( |
| 92 | YdtExtendedContext ydtExtendedContext) { |
| 93 | YobHandler yobHandler = |
| 94 | yobHandlerHashMap.get(ydtExtendedContext.getYdtType()); |
| 95 | if (yobHandler == null) { |
| 96 | log.error(YDT_TYPE_IS_NOT_SUPPORT); |
| 97 | return null; |
| 98 | } |
| 99 | return yobHandler; |
| 100 | } |
| 101 | } |