Gamze Abaka | 1e5ccf5 | 2018-07-02 11:59:03 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 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.opencord.sadis; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.JsonNode; |
| 19 | import org.onosproject.core.ApplicationId; |
| 20 | import org.onosproject.net.config.Config; |
| 21 | import org.slf4j.Logger; |
| 22 | import org.slf4j.LoggerFactory; |
| 23 | |
| 24 | import java.net.MalformedURLException; |
| 25 | import java.net.URL; |
| 26 | import java.time.Duration; |
| 27 | import java.util.List; |
| 28 | |
| 29 | public abstract class BaseConfig<T extends BaseInformation> extends Config<ApplicationId> { |
| 30 | |
| 31 | private final Logger log = LoggerFactory.getLogger(this.getClass()); |
| 32 | |
| 33 | protected static final String INTEGRATION = "integration"; |
| 34 | protected static final String CACHE = "cache"; |
| 35 | protected static final String CACHE_SIZE = "maxsize"; |
| 36 | protected static final String CACHE_TTL = "ttl"; |
| 37 | protected static final String URL = "url"; |
| 38 | protected static final String ENTRIES = "entries"; |
| 39 | protected static final String DEFAULT_CACHE_TTL = "PT0S"; |
| 40 | protected static final String ID_SUB_PATTERN = "%s"; |
| 41 | |
| 42 | /** |
| 43 | * Returns Integration URL. |
| 44 | * |
| 45 | * @return configured URL or null |
| 46 | * @throws MalformedURLException specified URL not valid |
| 47 | */ |
| 48 | public final URL getUrl() throws MalformedURLException { |
| 49 | final JsonNode integration = this.object.path(INTEGRATION); |
| 50 | if (integration.isMissingNode()) { |
| 51 | return null; |
| 52 | } |
| 53 | |
| 54 | final JsonNode url = integration.path(URL); |
| 55 | if (url.isMissingNode()) { |
| 56 | return null; |
| 57 | } |
| 58 | StringBuilder buf = new StringBuilder(ID_SUB_PATTERN); |
| 59 | if (!url.asText().contains(buf)) { |
| 60 | log.error("Error in url, missing {}", ID_SUB_PATTERN); |
| 61 | return null; |
| 62 | } |
| 63 | return new URL(url.asText()); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Returns Cache Maximum Size. |
| 68 | * |
| 69 | * @return configured cache max size or -1 |
| 70 | */ |
| 71 | public final int getCacheMaxSize() { |
| 72 | final JsonNode integration = this.object.path(INTEGRATION); |
| 73 | if (integration.isMissingNode()) { |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | final JsonNode cache = integration.path(CACHE); |
| 78 | if (cache.isMissingNode()) { |
| 79 | return -1; |
| 80 | } |
| 81 | |
| 82 | return cache.path(CACHE_SIZE).asInt(-1); |
| 83 | } |
| 84 | |
| 85 | public final Duration getCacheTtl() { |
| 86 | final JsonNode integration = this.object.path(INTEGRATION); |
| 87 | if (integration.isMissingNode()) { |
| 88 | return Duration.parse(DEFAULT_CACHE_TTL); |
| 89 | } |
| 90 | |
| 91 | final JsonNode cache = integration.path(CACHE); |
| 92 | if (cache.isMissingNode()) { |
| 93 | return Duration.parse(DEFAULT_CACHE_TTL); |
| 94 | } |
| 95 | |
| 96 | return Duration.parse(cache.path(CACHE_TTL).asText(DEFAULT_CACHE_TTL)); |
| 97 | } |
| 98 | |
| 99 | public abstract List<T> getEntries(); |
| 100 | |
| 101 | } |