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
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--- /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();
+        }
+    }
+
+}