diff options
Diffstat (limited to 'policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/impl/IndexedHttpClientFactory.java')
-rw-r--r-- | policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/impl/IndexedHttpClientFactory.java | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/impl/IndexedHttpClientFactory.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/impl/IndexedHttpClientFactory.java new file mode 100644 index 00000000..2e911c9a --- /dev/null +++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/client/impl/IndexedHttpClientFactory.java @@ -0,0 +1,185 @@ +/*- + * ============LICENSE_START======================================================= + * policy-endpoints + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.common.endpoints.http.client.impl; + +import java.security.KeyManagementException; +import java.security.NoSuchAlgorithmException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.List; +import java.util.Properties; + +import org.onap.policy.common.endpoints.http.client.HttpClient; +import org.onap.policy.common.endpoints.http.client.HttpClientFactory; +import org.onap.policy.common.endpoints.http.client.internal.JerseyClient; +import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * http client factory implementation indexed by name + */ +public class IndexedHttpClientFactory implements HttpClientFactory { + + private static final HttpClientFactory instance = new IndexedHttpClientFactory(); + + /** + * Logger + */ + private static Logger logger = LoggerFactory.getLogger(IndexedHttpClientFactory.class); + + protected HashMap<String, HttpClient> clients = new HashMap<>(); + + /** + * Get the singleton instance. + * + * @return the instance + */ + public static HttpClientFactory getInstance() { + return instance; + } + + private IndexedHttpClientFactory() {} + + @Override + public synchronized HttpClient build(String name, boolean https, boolean selfSignedCerts, String hostname, int port, + String baseUrl, String userName, String password, boolean managed) + throws KeyManagementException, NoSuchAlgorithmException { + if (clients.containsKey(name)) { + return clients.get(name); + } + + JerseyClient client = + new JerseyClient(name, https, selfSignedCerts, hostname, port, baseUrl, userName, password); + + if (managed) { + clients.put(name, client); + } + + return client; + } + + @Override + public synchronized List<HttpClient> build(Properties properties) + throws KeyManagementException, NoSuchAlgorithmException { + ArrayList<HttpClient> clientList = new ArrayList<>(); + + String clientNames = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES); + if (clientNames == null || clientNames.isEmpty()) { + return clientList; + } + + List<String> clientNameList = new ArrayList<>(Arrays.asList(clientNames.split("\\s*,\\s*"))); + + for (String clientName : clientNameList) { + String httpsString = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + "." + + clientName + PolicyEndPointProperties.PROPERTY_HTTP_HTTPS_SUFFIX); + boolean https = false; + if (httpsString != null && !httpsString.isEmpty()) { + https = Boolean.parseBoolean(httpsString); + } + + String hostName = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + "." + + clientName + PolicyEndPointProperties.PROPERTY_HTTP_HOST_SUFFIX); + + String servicePortString = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + + "." + clientName + PolicyEndPointProperties.PROPERTY_HTTP_PORT_SUFFIX); + int port; + try { + if (servicePortString == null || servicePortString.isEmpty()) { + continue; + } + port = Integer.parseInt(servicePortString); + } catch (NumberFormatException nfe) { + logger.error("http-client-factory: cannot parse port {}", servicePortString, nfe); + continue; + } + + String baseUrl = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + "." + + clientName + PolicyEndPointProperties.PROPERTY_HTTP_URL_SUFFIX); + + String userName = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + "." + + clientName + PolicyEndPointProperties.PROPERTY_HTTP_AUTH_USERNAME_SUFFIX); + + String password = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + "." + + clientName + PolicyEndPointProperties.PROPERTY_HTTP_AUTH_PASSWORD_SUFFIX); + + String managedString = properties.getProperty(PolicyEndPointProperties.PROPERTY_HTTP_CLIENT_SERVICES + "." + + clientName + PolicyEndPointProperties.PROPERTY_MANAGED_SUFFIX); + boolean managed = true; + if (managedString != null && !managedString.isEmpty()) { + managed = Boolean.parseBoolean(managedString); + } + + try { + HttpClient client = + this.build(clientName, https, https, hostName, port, baseUrl, userName, password, managed); + clientList.add(client); + } catch (Exception e) { + logger.error("http-client-factory: cannot build client {}", clientName, e); + } + } + + return clientList; + } + + @Override + public synchronized HttpClient get(String name) { + if (clients.containsKey(name)) { + return clients.get(name); + } + + throw new IllegalArgumentException("Http Client " + name + " not found"); + } + + @Override + public synchronized List<HttpClient> inventory() { + return new ArrayList<>(this.clients.values()); + } + + @Override + public synchronized void destroy(String name) { + if (!clients.containsKey(name)) { + return; + } + + HttpClient client = clients.remove(name); + try { + client.shutdown(); + } catch (IllegalStateException e) { + logger.error("http-client-factory: cannot shutdown client {}", client, e); + } + } + + @Override + public void destroy() { + List<HttpClient> clientsInventory = this.inventory(); + for (HttpClient client : clientsInventory) { + client.shutdown(); + } + + synchronized (this) { + this.clients.clear(); + } + } + +} |