2 * ============LICENSE_START======================================================================
3 * Copyright (C) 2018 NOKIA Intellectual Property, 2018-2019 Nordix Foundation. All rights reserved.
4 * ===============================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
6 * in compliance with the License. You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software distributed under the License
11 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
12 * or implied. See the License for the specific language governing permissions and limitations under
14 * ============LICENSE_END========================================================================
17 package org.onap.dcaegen2.collectors.datafile.configuration;
19 import com.google.gson.GsonBuilder;
20 import com.google.gson.JsonElement;
21 import com.google.gson.JsonObject;
22 import com.google.gson.JsonParser;
23 import com.google.gson.JsonSyntaxException;
24 import com.google.gson.TypeAdapterFactory;
26 import java.io.BufferedInputStream;
27 import java.io.FileInputStream;
28 import java.io.IOException;
29 import java.io.InputStream;
30 import java.io.InputStreamReader;
31 import java.util.ServiceLoader;
33 import javax.validation.constraints.NotEmpty;
34 import javax.validation.constraints.NotNull;
36 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapConsumerConfiguration;
37 import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.config.DmaapPublisherConfiguration;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
40 import org.springframework.boot.context.properties.ConfigurationProperties;
41 import org.springframework.boot.context.properties.EnableConfigurationProperties;
42 import org.springframework.stereotype.Component;
45 * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 3/23/18
46 * @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
50 @EnableConfigurationProperties
51 @ConfigurationProperties("app")
52 public class AppConfig {
54 private static final String CONFIG = "configs";
55 private static final String DMAAP = "dmaap";
56 private static final String DMAAP_PRODUCER = "dmaapProducerConfiguration";
57 private static final String DMAAP_CONSUMER = "dmaapConsumerConfiguration";
58 private static final String FTP = "ftp";
59 private static final String FTPES_CONFIGURATION = "ftpesConfiguration";
60 private static final String SECURITY = "security";
61 private static final Logger logger = LoggerFactory.getLogger(AppConfig.class);
63 private DmaapConsumerConfiguration dmaapConsumerConfiguration;
64 private DmaapPublisherConfiguration dmaapPublisherConfiguration;
65 private FtpesConfig ftpesConfiguration;
68 private String filepath;
70 public synchronized DmaapConsumerConfiguration getDmaapConsumerConfiguration() {
71 return dmaapConsumerConfiguration;
74 public synchronized DmaapPublisherConfiguration getDmaapPublisherConfiguration() {
75 return dmaapPublisherConfiguration;
78 public synchronized FtpesConfig getFtpesConfiguration() {
79 return ftpesConfiguration;
82 public void loadConfigurationFromFile() {
84 GsonBuilder gsonBuilder = new GsonBuilder();
85 ServiceLoader.load(TypeAdapterFactory.class).forEach(gsonBuilder::registerTypeAdapterFactory);
86 JsonParser parser = new JsonParser();
87 JsonObject jsonObject;
88 try (InputStream inputStream = createInputStream(filepath)) {
89 JsonElement rootElement = getJsonElement(parser, inputStream);
90 if (rootElement.isJsonObject()) {
91 jsonObject = rootElement.getAsJsonObject();
92 FtpesConfig ftpesConfig = deserializeType(gsonBuilder,
93 jsonObject.getAsJsonObject(CONFIG).getAsJsonObject(FTP).getAsJsonObject(FTPES_CONFIGURATION),
95 DmaapConsumerConfiguration consumerConfiguration = deserializeType(gsonBuilder,
96 concatenateJsonObjects(
97 jsonObject.getAsJsonObject(CONFIG).getAsJsonObject(DMAAP)
98 .getAsJsonObject(DMAAP_CONSUMER),
99 rootElement.getAsJsonObject().getAsJsonObject(CONFIG).getAsJsonObject(SECURITY)),
100 DmaapConsumerConfiguration.class);
102 DmaapPublisherConfiguration publisherConfiguration = deserializeType(gsonBuilder,
103 concatenateJsonObjects(
104 jsonObject.getAsJsonObject(CONFIG).getAsJsonObject(DMAAP)
105 .getAsJsonObject(DMAAP_PRODUCER),
106 rootElement.getAsJsonObject().getAsJsonObject(CONFIG).getAsJsonObject(SECURITY)),
107 DmaapPublisherConfiguration.class);
109 setConfiguration(consumerConfiguration, publisherConfiguration, ftpesConfig);
111 } catch (IOException e) {
112 logger.error("Problem with file loading, file: {}", filepath, e);
113 } catch (JsonSyntaxException e) {
114 logger.error("Problem with Json deserialization", e);
118 synchronized void setConfiguration(DmaapConsumerConfiguration consumerConfiguration,
119 DmaapPublisherConfiguration publisherConfiguration, FtpesConfig ftpesConfig) {
120 this.dmaapConsumerConfiguration = consumerConfiguration;
121 this.dmaapPublisherConfiguration = publisherConfiguration;
122 this.ftpesConfiguration = ftpesConfig;
125 JsonElement getJsonElement(JsonParser parser, InputStream inputStream) {
126 return parser.parse(new InputStreamReader(inputStream));
129 private <T> T deserializeType(@NotNull GsonBuilder gsonBuilder, @NotNull JsonObject jsonObject,
130 @NotNull Class<T> type) {
131 return gsonBuilder.create().fromJson(jsonObject, type);
134 InputStream createInputStream(@NotNull String filepath) throws IOException {
135 return new BufferedInputStream(new FileInputStream(filepath));
138 synchronized String getFilepath() {
139 return this.filepath;
142 public synchronized void setFilepath(String filepath) {
143 this.filepath = filepath;
146 private JsonObject concatenateJsonObjects(JsonObject target, JsonObject source) {
147 source.entrySet().forEach(entry -> target.add(entry.getKey(), entry.getValue()));