1 files changed, 150 insertions, 0 deletions
diff --git a/optical-service/provider/src/main/java/org/onap/sdnc/northbound/asyncrequests/SdncOdlConnection.java b/optical-service/provider/src/main/java/org/onap/sdnc/northbound/asyncrequests/SdncOdlConnection.java
new file mode 100644
index 00000000..860e84bb
--- /dev/null
+++ b/optical-service/provider/src/main/java/org/onap/sdnc/northbound/asyncrequests/SdncOdlConnection.java
@@ -0,0 +1,150 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * Copyright (C) 2019-2020 Fujitsu Limited 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.sdnc.northbound.asyncrequests;
+
+import java.io.BufferedReader;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.Authenticator;
+import java.net.HttpURLConnection;
+import java.net.PasswordAuthentication;
+import java.net.URL;
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLSession;
+import org.apache.commons.codec.binary.Base64;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public class SdncOdlConnection {
+
+    private static final Logger LOG = LoggerFactory
+        .getLogger(SdncOdlConnection.class);
+
+    private HttpURLConnection httpConn = null;
+
+    private String url = null;
+    private String user = null;
+    private String password = null;
+
+    private class SdncAuthenticator extends Authenticator {
+
+        private String user;
+        private String passwd;
+
+        SdncAuthenticator(String user, String passwd) {
+            this.user = user;
+            this.passwd = passwd;
+        }
+
+        @Override
+        protected PasswordAuthentication getPasswordAuthentication() {
+            return new PasswordAuthentication(user, passwd.toCharArray());
+        }
+    }
+
+    private SdncOdlConnection() {
+
+    }
+
+    private SdncOdlConnection(String url, String user, String password) {
+        this.url = url;
+        this.user = user;
+        this.password = password;
+
+        try {
+            URL sdncUrl = new URL(url);
+            Authenticator.setDefault(new SdncAuthenticator(user, password));
+
+            this.httpConn = (HttpURLConnection) sdncUrl.openConnection();
+        } catch (Exception e) {
+            LOG.error("Unable to create http connection", e);
+        }
+    }
+
+    public static SdncOdlConnection newInstance(String url, String user, String password) {
+        return new SdncOdlConnection(url, user, password);
+    }
+
+
+    public String send(String method, String contentType, String msg) throws IOException {
+
+        LOG.info(String.format("Sending REST %s to %s", method, url));
+        LOG.info(String.format("Message body:%n%s", msg));
+        String authStr = user + ":" + password;
+        String encodedAuthStr = new String(Base64.encodeBase64(authStr.getBytes()));
+
+        httpConn.addRequestProperty("Authentication", "Basic " + encodedAuthStr);
+
+        httpConn.setRequestMethod(method);
+        httpConn.setRequestProperty("Content-Type", contentType);
+        httpConn.setRequestProperty("Accept", contentType);
+
+        httpConn.setDoInput(true);
+        httpConn.setDoOutput(true);
+        httpConn.setUseCaches(false);
+
+        if (httpConn instanceof HttpsURLConnection) {
+            HostnameVerifier hostnameVerifier = new HostnameVerifier() {
+                @Override
+                public boolean verify(String hostname, SSLSession session) {
+                    return true;
+                }
+            };
+            ((HttpsURLConnection) httpConn).setHostnameVerifier(hostnameVerifier);
+        }
+
+        // Write message
+        httpConn.setRequestProperty("Content-Length", Integer.toString(msg.length()));
+        DataOutputStream outStr = new DataOutputStream(httpConn.getOutputStream());
+        outStr.write(msg.getBytes());
+        outStr.close();
+
+        // Read response
+        BufferedReader respRdr;
+
+        LOG.info("Response: " + httpConn.getResponseCode() + " " + httpConn.getResponseMessage());
+
+        if (httpConn.getResponseCode() < 300) {
+
+            respRdr = new BufferedReader(new InputStreamReader(httpConn.getInputStream()));
+        } else {
+            respRdr = new BufferedReader(new InputStreamReader(httpConn.getErrorStream()));
+        }
+
+        StringBuilder respBuff = new StringBuilder();
+
+        String respLn;
+
+        while ((respLn = respRdr.readLine()) != null) {
+            respBuff.append(respLn).append("\n");
+        }
+        respRdr.close();
+
+        String respString = respBuff.toString();
+
+        LOG.info(String.format("Response body :%n%s", respString));
+
+        return respString;
+    }
+}