code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/rest/MultiplePostCommand.java

   1 /*
   2  * Copyright 2009 Electronic Business Systems Ltd.
   3  *
   4  * This file is part of GSS.
   5  *
   6  * GSS is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GSS is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GSS.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 package gr.ebs.gss.client.rest;
  20
  21 import gr.ebs.gss.client.GSS;
  22 import gr.ebs.gss.client.exceptions.InsufficientPermissionsException;
  23
  24 import java.util.ArrayList;
  25 import java.util.HashMap;
  26 import java.util.List;
  27 import java.util.Map;
  28
  29 import com.google.gwt.core.client.GWT;
  30 import com.google.gwt.http.client.Request;
  31 import com.google.gwt.http.client.RequestCallback;
  32 import com.google.gwt.http.client.Response;
  33
  34
  35 /**
  36  * @author kman
  37  *
  38  */
  39 public abstract class MultiplePostCommand extends RestCommand {
  40
  41
  42         Map<String, Throwable> errors = new HashMap<String, Throwable>();
  43
  44         List<String> successPaths = new ArrayList<String>();
  45
  46         String[] paths;
  47
  48         public MultiplePostCommand(String[] pathToDelete, final int okStatusCode){
  49                 this(pathToDelete, okStatusCode, true);
  50         }
  51
  52         public MultiplePostCommand(String[] pathToDelete, String data, final int okStatusCode){
  53                 this(pathToDelete, data, okStatusCode, true);
  54         }
  55
  56         public MultiplePostCommand(String[] pathToDelete, final int okStatusCode, boolean showLoading){
  57                 this(pathToDelete, "", okStatusCode, showLoading);
  58         }
  59
  60         public MultiplePostCommand(String[] pathToDelete, String data, final int okStatusCode, boolean showLoading){
  61                 setShowLoadingIndicator(showLoading);
  62                 if(isShowLoadingIndicator())
  63                         GSS.get().showLoadingIndicator();
  64                 paths = pathToDelete;
  65                 for (final String pathg : pathToDelete) {
  66                         GWT.log("[DEL]"+pathg, null);
  67                         RestRequestBuilder builder = new RestRequestBuilder("POST", pathg);
  68
  69                         try {
  70                                 handleHeaders(builder, pathg);
  71                                 builder.sendRequest(data, new RequestCallback() {
  72
  73                                         public void onError(Request arg0, Throwable arg1) {
  74                                                 errors.put(pathg, arg1);
  75                                         }
  76
  77                                         public void onResponseReceived(Request arg0, Response arg1) {
  78                                                 if (arg1.getStatusCode() == okStatusCode)
  79                                                         successPaths.add(pathg);
  80                                                 else if(arg1.getStatusCode() == 403)
  81                                                         sessionExpired();
  82                                                 else if (arg1.getStatusCode() == 405)
  83                                                         errors.put(pathg, new InsufficientPermissionsException("You don't have permissions to delete this resource"));
  84                                                 else
  85                                                         errors.put(pathg, new RestException(pathg, arg1.getStatusCode(), arg1.getStatusText(), arg1.getText()));
  86                                         }
  87
  88                                 });
  89                         } catch (Exception ex) {
  90                                 errors.put(pathg, ex);
  91                         }
  92                 }
  93         }
  94
  95         public boolean isComplete() {
  96                 return errors.size() + successPaths.size() == paths.length;
  97         }
  98
  99         public boolean execute() {
 100                 boolean com = isComplete();
 101                 if (com) {
 102                         if(hasErrors())
 103                                 for(String p : errors.keySet())
 104                                         onError(p, errors.get(p));
 105                         onComplete();
 106                         if(isShowLoadingIndicator())
 107                                 GSS.get().hideLoadingIndicator();
 108                         return false;
 109                 }
 110                 return true;
 111         }
 112
 113
 114         /**
 115          * @param p
 116          * @param throwable
 117          */
 118         public abstract void onError(String p, Throwable throwable);
 119
 120         public boolean hasErrors(){
 121                 return errors.size() >0;
 122         }
 123
 124
 125         /**
 126          * Retrieve the errors.
 127          *
 128          * @return the errors
 129          */
 130         public Map<String, Throwable> getErrors() {
 131                 return errors;
 132         }
 133
 134         public void debug(){
 135                 GWT.log("-ERRORS-->"+getErrors().size(), null);
 136                 for(String p : getErrors().keySet())
 137                         GWT.log("error:"+p, getErrors().get(p));
 138         }
 139
 140         @Override
 141         public void onError(Throwable t) {
 142
 143
 144         }
 145
 146 }