gerrit.onap Code Review - portal/sdk.git/blob

   1 /*
   2  * ============LICENSE_START==========================================
   3  * ONAP Portal SDK
   4  * ===================================================================
   5  * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
   6  * ===================================================================
   7  *
   8  * Unless otherwise specified, all software contained herein is licensed
   9  * under the Apache License, Version 2.0 (the "License");
  10  * you may not use this software except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *             http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  *
  21  * Unless otherwise specified, all documentation contained herein is licensed
  22  * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
  23  * you may not use this documentation except in compliance with the License.
  24  * You may obtain a copy of the License at
  25  *
  26  *             https://creativecommons.org/licenses/by/4.0/
  27  *
  28  * Unless required by applicable law or agreed to in writing, documentation
  29  * distributed under the License is distributed on an "AS IS" BASIS,
  30  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  31  * See the License for the specific language governing permissions and
  32  * limitations under the License.
  33  *
  34  * ============LICENSE_END============================================
  35  *
  36  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  37  */
  38 package org.onap.portalsdk.workflow.services;
  39
  40 import java.io.BufferedReader;
  41 import java.io.InputStreamReader;
  42 import java.io.OutputStreamWriter;
  43 import java.net.HttpURLConnection;
  44 import java.net.URL;
  45 import java.net.URLConnection;
  46 import java.nio.charset.Charset;
  47
  48 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
  49
  50 public class WorkflowScheduleExecutor {
  51
  52         private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(WorkflowScheduleExecutor.class);
  53
  54         private String serverURL;
  55         private String workflowKey;
  56         private String myUrl;
  57         private String payload;
  58
  59         public WorkflowScheduleExecutor(String serverURL, String workflowKey) {
  60                 this.serverURL = serverURL;
  61                 this.workflowKey = workflowKey;
  62                 this.myUrl = this.serverURL + "/engine-rest/process-definition/key/" + this.workflowKey + "/submit-form";
  63                 ;
  64                 this.payload = "{\"variables\":{}}";
  65         }
  66
  67         public void execute() {
  68                 POST_fromURL(myUrl, payload);
  69         }
  70
  71         public static String get_fromURL(String myURL) {
  72                 logger.debug(EELFLoggerDelegate.debugLogger, "get_fromURL: Requested URL {}", myURL);
  73                 StringBuilder sb = new StringBuilder();
  74                 URLConnection urlConn = null;
  75                 InputStreamReader in = null;
  76                 try {
  77                         URL url = new URL(myURL);
  78                         urlConn = url.openConnection();
  79                         if (urlConn != null)
  80                                 urlConn.setReadTimeout(60 * 1000);
  81                         if (urlConn != null && urlConn.getInputStream() != null) {
  82                                 in = new InputStreamReader(urlConn.getInputStream(), Charset.defaultCharset());
  83                                 BufferedReader bufferedReader = new BufferedReader(in);
  84                                 int cp;
  85                                 while ((cp = bufferedReader.read()) != -1)
  86                                         sb.append((char) cp);
  87                                 bufferedReader.close();
  88                                 in.close();
  89                         }
  90                 } catch (Exception e) {
  91                         logger.error(EELFLoggerDelegate.errorLogger, "get_fromURL failed", e);
  92                         throw new RuntimeException("Exception while calling URL:" + myURL, e);
  93                 } finally {
  94                         try {
  95                                 if (in != null)
  96                                         in.close();
  97                         } catch (Exception e) {
  98                                 logger.error(EELFLoggerDelegate.errorLogger, "get_fromURL close failed", e);
  99                         }
 100                 }
 101                 return sb.toString();
 102         }
 103
 104         public static String POST_fromURL(String myURL, String payload) {
 105                 String line;
 106                 StringBuilder jsonString = new StringBuilder();
 107                 try {
 108                         URL url = new URL(myURL);
 109                         HttpURLConnection connection = (HttpURLConnection) url.openConnection();
 110                         connection.setDoInput(true);
 111                         connection.setDoOutput(true);
 112                         connection.setRequestMethod("POST");
 113                         connection.setRequestProperty("Accept", "application/json");
 114                         connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
 115                         OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
 116                         writer.write(payload);
 117                         writer.close();
 118                         BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
 119                         while ((line = br.readLine()) != null) {
 120                                 jsonString.append(line);
 121                         }
 122                         br.close();
 123                         connection.disconnect();
 124                 } catch (Exception e) {
 125                         logger.error(EELFLoggerDelegate.errorLogger, "POST_fromURL failed", e);
 126                         throw new RuntimeException(e.getMessage());
 127                 }
 128                 return jsonString.toString();
 129         }
 130 }