Refactor code to support no AAF requests
[dmaap/dbcapi.git] / src / main / java / org / onap / dmaap / dbcapi / aaf / client / DrProvConnection.java
diff --git a/src/main/java/org/onap/dmaap/dbcapi/aaf/client/DrProvConnection.java b/src/main/java/org/onap/dmaap/dbcapi/aaf/client/DrProvConnection.java
deleted file mode 100644 (file)
index c744021..0000000
+++ /dev/null
@@ -1,813 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * org.onap.dmaap
- * ================================================================================
- * 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.dmaap.dbcapi.aaf.client;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.net.ConnectException;
-import java.net.ProtocolException;
-import java.net.SocketException;
-import java.net.URL;
-import java.util.ArrayList;
-
-import javax.net.ssl.HttpsURLConnection;
-
-import org.apache.log4j.Logger;
-import org.apache.log4j.PropertyConfigurator;
-import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
-import org.onap.dmaap.dbcapi.logging.DmaapbcLogMessageEnum;
-import org.onap.dmaap.dbcapi.model.ApiError;
-import org.onap.dmaap.dbcapi.model.DR_Pub;
-import org.onap.dmaap.dbcapi.model.DR_Sub;
-import org.onap.dmaap.dbcapi.model.Feed;
-import org.onap.dmaap.dbcapi.service.DmaapService;
-import org.onap.dmaap.dbcapi.util.RandomInteger;
-
-
-
-public class DrProvConnection extends BaseLoggingClass {
-          
-   
-       private String provURL;
-       
-       private HttpsURLConnection uc;
-
-
-       public DrProvConnection() {
-               provURL = new DmaapService().getDmaap().getDrProvUrl();
-               if ( provURL.length() < 1 ) {
-                       errorLogger.error( DmaapbcLogMessageEnum.PREREQ_DMAAP_OBJECT, "getDrProvUrl");
-               }
-                       
-       }
-       
-       public boolean makeFeedConnection() {
-               return makeConnection( provURL );
-       }
-       public boolean makeFeedConnection(String feedId) {
-               return makeConnection( provURL + "/feed/" + feedId );   
-       }
-       public boolean makeSubPostConnection( String subURL ) {
-               String[] parts = subURL.split("/");
-               String revisedURL = provURL + "/" + parts[3] + "/" + parts[4];
-               logger.info( "mapping " + subURL + " to " + revisedURL );
-               return makeConnection( revisedURL );
-       }
-       public boolean makeSubPutConnection( String subId ) {
-               String revisedURL = provURL + "/subs/" + subId;
-               logger.info( "mapping " + subId + " to " + revisedURL );
-               return makeConnection( revisedURL );
-       }
-
-       public boolean makeIngressConnection( String feed, String user, String subnet, String nodep ) {
-               String uri = String.format("/internal/route/ingress/?feed=%s&user=%s&subnet=%s&nodepatt=%s", 
-                                       feed, user, subnet, nodep );
-               return makeConnection( provURL + uri );
-       }
-       public boolean makeEgressConnection( String sub, String nodep ) {
-               String uri = String.format("/internal/route/egress/?sub=%s&node=%s", 
-                                       sub,  nodep );
-               return makeConnection( provURL + uri );
-       }
-       public boolean makeNodesConnection( String varName ) {
-               
-               String uri = String.format("/internal/api/%s", varName);
-               return makeConnection( provURL + uri );
-       }
-       
-       public boolean makeNodesConnection( String varName, String val ) {
-
-               if ( val == null ) {
-                       return false;
-               } 
-               String cv = val.replaceAll("\\|", "%7C");
-               String uri = String.format( "/internal/api/%s?val=%s", varName, cv );
-
-               return makeConnection( provURL + uri );
-       }
-       
-       private boolean makeConnection( String pURL ) {
-       
-               try {
-                       URL u = new URL( pURL );
-                       uc = (HttpsURLConnection) u.openConnection();
-                       uc.setInstanceFollowRedirects(false);
-                       logger.info( "successful connect to " + pURL );
-                       return(true);
-               } catch (Exception e) {
-                       errorLogger.error( DmaapbcLogMessageEnum.HTTP_CONNECTION_ERROR,  pURL, e.getMessage() );
-            e.printStackTrace();
-            return(false);
-        }
-
-       }
-       
-       public String bodyToString( InputStream is ) {
-               logger.info( "is=" + is );
-               StringBuilder sb = new StringBuilder();
-               BufferedReader br = new BufferedReader( new InputStreamReader(is));
-               String line;
-               try {
-                       while ((line = br.readLine()) != null ) {
-                               sb.append( line );
-                       }
-               } catch (IOException ex ) {
-                       errorLogger.error( DmaapbcLogMessageEnum.IO_EXCEPTION, ex.getMessage());
-               }
-                       
-               return sb.toString();
-       }
-       
-
-       public  String doPostFeed( Feed postFeed, ApiError err ) {
-
-               byte[] postData = postFeed.getBytes();
-               logger.info( "post fields=" + postData.toString() );
-               String responsemessage = null;
-               String responseBody = null;
-
-               try {
-                       logger.info( "uc=" + uc );
-                       uc.setRequestMethod("POST");
-                       uc.setRequestProperty("Content-Type", "application/vnd.att-dr.feed");
-                       uc.setRequestProperty( "charset", "utf-8");
-                       uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", postFeed.getOwner() );
-                       uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       uc.setUseCaches(false);
-                       uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-                       try {
-                 uc.connect();
-                 os = uc.getOutputStream();
-                 os.write( postData );
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-            if (responsemessage == null) {
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-            if (rc == 201 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-
-            } else {
-               err.setCode( rc );
-               err.setMessage(responsemessage);
-            }
-            
-               } catch (ConnectException ce) {
-                       errorLogger.error(DmaapbcLogMessageEnum.HTTP_CONNECTION_EXCEPTION, provURL, ce.getMessage() );
-            err.setCode( 500 );
-               err.setMessage("Backend connection refused");
-               } catch (SocketException se) {
-                       errorLogger.error( DmaapbcLogMessageEnum.SOCKET_EXCEPTION, se.getMessage(), "response from prov server" );
-                       err.setCode( 500 );
-                       err.setMessage( "Unable to read response from DR");
-        } catch (Exception e) {
-            logger.warn("Unable to read response  " );
-            e.printStackTrace();
-            try {
-                   err.setCode( uc.getResponseCode());
-                   err.setMessage(uc.getResponseMessage());
-            } catch (Exception e2) {
-               err.setCode( 500 );
-               err.setMessage("Unable to determine response message");
-            }
-        } 
-               finally {
-                       try {
-                               uc.disconnect();
-                       } catch ( Exception e ) {}
-               }
-               return responseBody;
-
-       }
-
-       
-       // the POST for /internal/route/ingress doesn't return any data, so needs a different function
-       // the POST for /internal/route/egress doesn't return any data, so needs a different function   
-       public int doXgressPost( ApiError err ) {
-               
-               String responsemessage = null;
-               int rc = -1;
-
-               try {
-                       uc.setRequestMethod("POST");
-//                     uc.setRequestProperty("Content-Type", "application/vnd.att-dr.feed");
-//                     uc.setRequestProperty( "charset", "utf-8");
-//                     uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", postFeed.getOwner() );
-//                     uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-//                     uc.setUseCaches(false);
-//                     uc.setDoOutput(true);   
-                       OutputStream os = null;
-       
-                       
-                       try {
-                 uc.connect();
-                 os = uc.getOutputStream();
-
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-
-            if (rc < 200 || rc >= 300 ) {
-               err.setCode( rc );
-               err.setMessage(responsemessage);
-            }
-               } catch (Exception e) {
-            System.err.println("Unable to read response  " );
-            e.printStackTrace();
-        }              finally {
-                       try {
-                               uc.disconnect();
-                       } catch ( Exception e ) {}
-               }
-       
-               return rc;
-
-       }
-       
-       public String doPostDr_Sub( DR_Sub postSub, ApiError err ) {
-               logger.info( "entry: doPostDr_Sub() "  );
-               byte[] postData = postSub.getBytes();
-               logger.info( "post fields=" + postData );
-               String responsemessage = null;
-               String responseBody = null;
-
-               try {
-       
-                       uc.setRequestMethod("POST");
-               
-                       uc.setRequestProperty("Content-Type", "application/vnd.att-dr.subscription");
-                       uc.setRequestProperty( "charset", "utf-8");
-                       uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", "DGL" );
-                       uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       uc.setUseCaches(false);
-                       uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-                       try {
-                 uc.connect();
-                 os = uc.getOutputStream();
-                 os.write( postData );
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-            if (responsemessage == null) {
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-            if (rc == 201 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-
-            } else {
-               err.setCode(rc);
-               err.setMessage(responsemessage);
-            }
-            
-               } catch (Exception e) {
-            System.err.println("Unable to read response  " );
-            e.printStackTrace();
-        }              finally {
-                       try {
-                               uc.disconnect();
-                       } catch ( Exception e ) {}
-               }
-               return responseBody;
-
-       }
-       
-
-       public String doPutFeed(Feed putFeed, ApiError err) {
-               byte[] postData = putFeed.getBytes();
-               logger.info( "post fields=" + postData.toString() );
-               String responsemessage = null;
-               String responseBody = null;
-
-               try {
-                       logger.info( "uc=" + uc );
-                       uc.setRequestMethod("PUT");
-                       uc.setRequestProperty("Content-Type", "application/vnd.att-dr.feed");
-                       uc.setRequestProperty( "charset", "utf-8");
-                       uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", putFeed.getOwner() );
-                       uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       uc.setUseCaches(false);
-                       uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-                       try {
-                 uc.connect();
-                 os = uc.getOutputStream();
-                 os.write( postData );
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-            if (responsemessage == null) {
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-            if (rc >= 200 && rc < 300 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-
-            } else if ( rc == 404 ) {
-               err.setCode( rc );
-               err.setFields( "feedid");
-               String message =  "FeedId " + putFeed.getFeedId() + " not found on DR to update.  Out-of-sync condition?";
-               err.setMessage( message );
-               errorLogger.error( DmaapbcLogMessageEnum.PROV_OUT_OF_SYNC, "Feed", putFeed.getFeedId() );
-               
-            } else {
-               err.setCode( rc );
-               err.setMessage(responsemessage);
-            }
-            
-               } catch (ConnectException ce) {
-                       errorLogger.error( DmaapbcLogMessageEnum.HTTP_CONNECTION_EXCEPTION, provURL, ce.getMessage() );
-            err.setCode( 500 );
-               err.setMessage("Backend connection refused");
-               } catch (SocketException se) {
-                       errorLogger.error( DmaapbcLogMessageEnum.SOCKET_EXCEPTION, se.getMessage(), "response from Prov server" );
-                       err.setCode( 500 );
-                       err.setMessage( "Unable to read response from DR");
-        } catch (Exception e) {
-            logger.warn("Unable to read response  " );
-            e.printStackTrace();
-            try {
-                   err.setCode( uc.getResponseCode());
-                   err.setMessage(uc.getResponseMessage());
-            } catch (Exception e2) {
-               err.setCode( 500 );
-               err.setMessage("Unable to determine response message");
-            }
-        }              finally {
-                       try {
-                               uc.disconnect();
-                       } catch ( Exception e ) {}
-               }
-               return responseBody;
-       }
-       public String doPutDr_Sub(DR_Sub postSub, ApiError err) {
-               logger.info( "entry: doPutDr_Sub() "  );
-               byte[] postData = postSub.getBytes();
-               logger.info( "post fields=" + postData );
-               String responsemessage = null;
-               String responseBody = null;
-
-               try {
-       
-                       uc.setRequestMethod("PUT");
-               
-                       uc.setRequestProperty("Content-Type", "application/vnd.att-dr.subscription");
-                       uc.setRequestProperty( "charset", "utf-8");
-                       uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", "DGL" );
-                       uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       uc.setUseCaches(false);
-                       uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-                       try {
-                 uc.connect();
-                 os = uc.getOutputStream();
-                 os.write( postData );
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-            if (responsemessage == null) {
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-            if (rc == 200 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-
-            } else {
-               err.setCode(rc);
-               err.setMessage(responsemessage);
-            }
-            
-               } catch (ConnectException ce) {
-            errorLogger.error( DmaapbcLogMessageEnum.HTTP_CONNECTION_EXCEPTION, provURL, ce.getMessage() );
-            err.setCode( 500 );
-               err.setMessage("Backend connection refused");
-               } catch (Exception e) {
-            System.err.println("Unable to read response  " );
-            e.printStackTrace();
-        } finally {
-               uc.disconnect();
-        }
-               return responseBody;
-
-       }
-       
-       public String doGetNodes( ApiError err ) {
-               logger.info( "entry: doGetNodes() "  );
-               //byte[] postData = postSub.getBytes();
-               //logger.info( "get fields=" + postData );
-               String responsemessage = null;
-               String responseBody = null;
-               logger.info( "templog:doGetNodes at 12.10.14.10"  );
-
-               try {
-               logger.info( "templog:doGetNodes at 12.10.14.11"  );
-       
-                       uc.setRequestMethod("GET");
-               
-                       //uc.setRequestProperty("Content-Type", "application/vnd.att-dr.subscription");
-                       //uc.setRequestProperty( "charset", "utf-8");
-                       //uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", "DGL" );
-                       //uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       //uc.setUseCaches(false);
-                       //uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-               logger.info( "templog:doGetNodes at 12.10.14.12"  );
-                       try {
-                 uc.connect();
-               logger.info( "templog:doGetNodes at 12.10.14.13"  );
-                 //os = uc.getOutputStream();
-                 //os.write( postData );
-
-            } catch (ProtocolException pe) {
-               logger.info( "templog:doGetNodes at 12.10.14.14"  );
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            } 
-               logger.info( "templog:doGetNodes at 12.10.14.15"  );
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-               logger.info( "templog:doGetNodes at 12.10.14.16"  );
-
-
-            if (responsemessage == null) {
-               logger.info( "templog:doGetNodes at 12.10.14.17"  );
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-               logger.info( "templog:doGetNodes at 12.10.14.18"  );
-               err.setCode(rc);  // may not really be an error, but we save rc
-            if (rc == 200 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-            } else {
-               err.setMessage(responsemessage);
-            }
-            
-               logger.info( "templog:doGetNodes at 12.10.14.19"  );
-               } catch (ConnectException ce) {
-               logger.info( "templog:doGetNodes at 12.10.14.20"  );
-            errorLogger.error( DmaapbcLogMessageEnum.HTTP_CONNECTION_EXCEPTION, provURL, ce.getMessage() );
-            err.setCode( 500 );
-               err.setMessage("Backend connection refused");
-               } catch (Exception e) {
-               logger.info( "templog:doGetNodes at 12.10.14.21"  );
-            System.err.println("Unable to read response  " );
-            e.printStackTrace();
-        } finally {
-               logger.info( "templog:doGetNodes at 12.10.14.22"  );
-                       if ( uc != null ) uc.disconnect();
-        }
-               logger.info( "templog:doGetNodes at 12.10.14.23"  );
-               return responseBody;
-
-       }
-       public String doPutNodes( ApiError err ) {
-               logger.info( "entry: doPutNodes() "  );
-               //byte[] postData = nodeList.getBytes();
-               //logger.info( "get fields=" + postData );
-               String responsemessage = null;
-               String responseBody = null;
-
-               try {
-       
-                       uc.setRequestMethod("PUT");
-               
-                       //uc.setRequestProperty("Content-Type", "application/vnd.att-dr.subscription");
-                       //uc.setRequestProperty( "charset", "utf-8");
-                       //uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", "DGL" );
-                       //uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       uc.setUseCaches(false);
-                       //uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-                       try {
-                 uc.connect();
-                 //os = uc.getOutputStream();
-                 //os.write( postData );
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-            if (responsemessage == null) {
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-               err.setCode(rc);
-            if (rc == 200 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-
-            } else {
-  
-               err.setMessage(responsemessage);
-            }
-            
-               } catch (Exception e) {
-            System.err.println("Unable to read response  " + e.getMessage() );
-            e.printStackTrace();
-        } finally {
-                       if ( uc != null ) {
-                       uc.disconnect();
-                       }
-        }
-               return responseBody;
-
-       }
-       
-       public String doDeleteFeed(Feed putFeed, ApiError err) {
-               //byte[] postData = putFeed.getBytes();
-               //logger.info( "post fields=" + postData.toString() );
-               String responsemessage = null;
-               String responseBody = null;
-
-               try {
-                       logger.info( "uc=" + uc );
-                       uc.setRequestMethod("DELETE");
-                       uc.setRequestProperty("Content-Type", "application/vnd.att-dr.feed");
-                       uc.setRequestProperty( "charset", "utf-8");
-                       uc.setRequestProperty( "X-ATT-DR-ON-BEHALF-OF", putFeed.getOwner() );
-                       //uc.setRequestProperty( "Content-Length", Integer.toString( postData.length ));
-                       uc.setUseCaches(false);
-                       uc.setDoOutput(true);
-                       OutputStream os = null;
-                       int rc = -1;
-                       
-                       try {
-                 uc.connect();
-                 os = uc.getOutputStream();
-                 //os.write( postData );
-
-            } catch (ProtocolException pe) {
-                 // Rcvd error instead of 100-Continue
-                 try {
-                     // work around glitch in Java 1.7.0.21 and likely others
-                     // without this, Java will connect multiple times to the server to run the same request
-                     uc.setDoOutput(false);
-                 } catch (Exception e) {
-                 }
-            }
-                       rc = uc.getResponseCode();
-                       logger.info( "http response code:" + rc );
-            responsemessage = uc.getResponseMessage();
-            logger.info( "responsemessage=" + responsemessage );
-
-
-            if (responsemessage == null) {
-                 // work around for glitch in Java 1.7.0.21 and likely others
-                 // When Expect: 100 is set and a non-100 response is received, the response message is not set but the response code is
-                 String h0 = uc.getHeaderField(0);
-                 if (h0 != null) {
-                     int i = h0.indexOf(' ');
-                     int j = h0.indexOf(' ', i + 1);
-                     if (i != -1 && j != -1) {
-                         responsemessage = h0.substring(j + 1);
-                     }
-                 }
-            }
-            if (rc >= 200 && rc < 300 ) {
-                       responseBody = bodyToString( uc.getInputStream() );
-                       logger.info( "responseBody=" + responseBody );
-
-            } else if ( rc == 404 ) {
-               err.setCode( rc );
-               err.setFields( "feedid");
-               String message =  "FeedId " + putFeed.getFeedId() + " not found on DR to update.  Out-of-sync condition?";
-               err.setMessage( message );
-               errorLogger.error( DmaapbcLogMessageEnum.PROV_OUT_OF_SYNC, "Feed", putFeed.getFeedId() );
-               
-            } else {
-               err.setCode( rc );
-               err.setMessage(responsemessage);
-            }
-            
-               } catch (ConnectException ce) {
-                       errorLogger.error( DmaapbcLogMessageEnum.HTTP_CONNECTION_EXCEPTION, provURL, ce.getMessage() );
-            err.setCode( 500 );
-               err.setMessage("Backend connection refused");
-               } catch (SocketException se) {
-                       errorLogger.error( DmaapbcLogMessageEnum.SOCKET_EXCEPTION, se.getMessage(), "response from Prov server" );
-                       err.setCode( 500 );
-                       err.setMessage( "Unable to read response from DR");
-        } catch (Exception e) {
-            logger.warn("Unable to read response  " );
-            e.printStackTrace();
-            try {
-                   err.setCode( uc.getResponseCode());
-                   err.setMessage(uc.getResponseMessage());
-            } catch (Exception e2) {
-               err.setCode( 500 );
-               err.setMessage("Unable to determine response message");
-            }
-        }              finally {
-                       try {
-                               uc.disconnect();
-                       } catch ( Exception e ) {}
-               }
-               return responseBody;
-       }
-       
-       /*
-        public static void main( String[] args ) throws Exception {
-               PropertyConfigurator.configure("log4j.properties");
-               logger.info("Started.");
-               
-               RandomInteger ri = new RandomInteger(10000);
-                       //String postJSON = String.format("{\"name\": \"dgl feed %d\", \"version\": \"v1.0\", \"description\": \"dgl feed N for testing\", \"authorization\": { \"classification\": \"unclassified\", \"endpoint_addrs\": [],\"endpoint_ids\": [{\"password\": \"test\",\"id\": \"test\"}]}}", ri.next()) ;
-                       int i = ri.next();
-                       Feed tst = new Feed( "dgl feed " + i,
-                                                               "v1.0",
-                                                               "dgl feed " + i + "for testing",
-                                                               "TEST",
-                                                               "unclassified"
-                                       );
-                       ArrayList<DR_Pub> pubs = new ArrayList<DR_Pub>();
-                       pubs.add( new DR_Pub( "centralLocation" ) ); 
-                       tst.setPubs(pubs);
-
-               boolean rc;
-               DrProvConnection context = new DrProvConnection();
-               rc = context.makeFeedConnection();
-               logger.info( "makeFeedConnection returns " + rc);
-               ApiError err = new ApiError();
-               if ( rc ) {
-                       String tmp  = context.doPostFeed( tst, err );
-                       logger.info( "doPostFeed returns " + tmp);
-               }
-    
-        }
- */
-       
-               
-}