code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/client/rest/PostCommand.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
  23 import com.google.gwt.http.client.Request;
  24 import com.google.gwt.http.client.RequestBuilder;
  25 import com.google.gwt.http.client.RequestCallback;
  26 import com.google.gwt.http.client.Response;
  27
  28
  29 /**
  30  * @author kman
  31  *
  32  */
  33 public abstract class PostCommand extends RestCommand{
  34         boolean complete = false;
  35         String postBody=null;
  36
  37         public PostCommand(final String path, String data, final int okStatusCode) {
  38                 this(path, data, okStatusCode, true);
  39         }
  40
  41         public PostCommand(final String path, String data, final int okStatusCode, boolean showLoading) {
  42                 setShowLoadingIndicator(showLoading);
  43                 if(isShowLoadingIndicator())
  44                         GSS.get().showLoadingIndicator();
  45
  46                 RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, path);
  47
  48                 try {
  49                         handleHeaders(builder, path);
  50                         builder.sendRequest(data, new RequestCallback() {
  51
  52                                 @Override
  53                                 public void onError(Request arg0, Throwable arg1) {
  54                                         complete = true;
  55                                         PostCommand.this.onError(arg1);
  56                                 }
  57
  58                                 @Override
  59                                 public void onResponseReceived(Request req, Response resp) {
  60                                         complete=true;
  61                                         int status = resp.getStatusCode();
  62                                         // Normalize IE status 1223 to a regular 204.
  63                                         if (status == 1223)
  64                                                 status = 204;
  65
  66                                         if (status == okStatusCode) {
  67                                                 postBody = resp.getText();
  68                                                 onComplete();
  69                                         } else if (status == 403)
  70                                                 sessionExpired();
  71                                         else
  72                                                 PostCommand.this.onError(new RestException(path, status, resp.getStatusText(), resp.getText()));
  73                                 }
  74
  75                         });
  76                 } catch (Exception ex) {
  77                         complete=true;
  78                         onError(ex);
  79                 }
  80         }
  81
  82         public boolean isComplete() {
  83                 return complete;
  84         }
  85
  86         @Override
  87         public boolean execute() {
  88                 boolean com = isComplete();
  89                 if (com) {
  90                         if (isShowLoadingIndicator())
  91                                 GSS.get().hideLoadingIndicator();
  92                         return false;
  93                 }
  94                 return true;
  95         }
  96
  97         public String getPostBody() {
  98                 return postBody;
  99         }
 100
 101 }