code.grnet.gr Git - pithos/blob - web_client/src/gr/grnet/pithos/web/client/rest/MultiplePostCommand.java

   1 /*
   2  * Copyright 2011 GRNET S.A. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or
   5  * without modification, are permitted provided that the following
   6  * conditions are met:
   7  *
   8  *   1. Redistributions of source code must retain the above
   9  *      copyright notice, this list of conditions and the following
  10  *      disclaimer.
  11  *
  12  *   2. Redistributions in binary form must reproduce the above
  13  *      copyright notice, this list of conditions and the following
  14  *      disclaimer in the documentation and/or other materials
  15  *      provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * The views and conclusions contained in the software and
  31  * documentation are those of the authors and should not be
  32  * interpreted as representing official policies, either expressed
  33  * or implied, of GRNET S.A.
  34  */
  35 package gr.grnet.pithos.web.client.rest;
  36
  37 import gr.grnet.pithos.web.client.Pithos;
  38 import gr.grnet.pithos.web.client.InsufficientPermissionsException;
  39
  40 import java.util.ArrayList;
  41 import java.util.HashMap;
  42 import java.util.List;
  43 import java.util.Map;
  44
  45 import com.google.gwt.core.client.GWT;
  46 import com.google.gwt.http.client.Request;
  47 import com.google.gwt.http.client.RequestBuilder;
  48 import com.google.gwt.http.client.RequestCallback;
  49 import com.google.gwt.http.client.Response;
  50
  51
  52 public abstract class MultiplePostCommand extends RestCommand {
  53
  54         Map<String, Throwable> errors = new HashMap<String, Throwable>();
  55
  56         List<String> successPaths = new ArrayList<String>();
  57
  58         String[] paths;
  59
  60         public MultiplePostCommand(Pithos app, String[] pathToDelete, final int okStatusCode){
  61                 this(app, pathToDelete, okStatusCode, true);
  62         }
  63
  64         public MultiplePostCommand(Pithos app, String[] pathToDelete, String data, final int okStatusCode){
  65                 this(app, pathToDelete, data, okStatusCode, true);
  66         }
  67
  68         public MultiplePostCommand(Pithos app, String[] pathToDelete, final int okStatusCode, boolean showLoading){
  69                 this(app, pathToDelete, "", okStatusCode, showLoading);
  70         }
  71
  72         public MultiplePostCommand(Pithos app, String[] pathToDelete, String data, final int okStatusCode, boolean showLoading){
  73         super(app);
  74                 setShowLoadingIndicator(showLoading);
  75                 if(isShowLoadingIndicator())
  76                         app.showLoadingIndicator("Updating "+pathToDelete.length+" items", null);
  77                 paths = pathToDelete;
  78                 for (final String pathg : pathToDelete) {
  79                         GWT.log("[DEL]"+pathg, null);
  80                         RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, pathg);
  81
  82                         try {
  83                                 handleHeaders(builder, pathg);
  84                                 builder.sendRequest(data, new RequestCallback() {
  85
  86                                         @Override
  87                                         public void onError(Request arg0, Throwable arg1) {
  88                                                 errors.put(pathg, arg1);
  89                                         }
  90
  91                                         @Override
  92                                         public void onResponseReceived(Request arg0, Response arg1) {
  93                                                 if (arg1.getStatusCode() == okStatusCode)
  94                                                         successPaths.add(pathg);
  95                                                 else if(arg1.getStatusCode() == 403)
  96                                                         sessionExpired();
  97                                                 else if (arg1.getStatusCode() == 405)
  98                                                         errors.put(pathg, new InsufficientPermissionsException("You don't have permissions to delete this resource"));
  99                                                 else
 100                                                         errors.put(pathg, new RestException(pathg, arg1.getStatusCode(), arg1.getStatusText(), arg1.getText()));
 101                                         }
 102
 103                                 });
 104                         } catch (Exception ex) {
 105                                 errors.put(pathg, ex);
 106                         }
 107                 }
 108         }
 109
 110         public boolean isComplete() {
 111                 return errors.size() + successPaths.size() == paths.length;
 112         }
 113
 114         @Override
 115         public boolean execute() {
 116                 boolean com = isComplete();
 117                 if (com) {
 118                         if(hasErrors())
 119                                 for(String p : errors.keySet())
 120                                         onError(p, errors.get(p));
 121                         onComplete();
 122                         if(isShowLoadingIndicator())
 123                                 app.hideLoadingIndicator();
 124                         return false;
 125                 }
 126                 return true;
 127         }
 128
 129
 130         /**
 131          * @param p
 132          * @param throwable
 133          */
 134         public abstract void onError(String p, Throwable throwable);
 135
 136         public boolean hasErrors(){
 137                 return errors.size() >0;
 138         }
 139
 140
 141         /**
 142          * Retrieve the errors.
 143          *
 144          * @return the errors
 145          */
 146         public Map<String, Throwable> getErrors() {
 147                 return errors;
 148         }
 149
 150         public void debug(){
 151                 GWT.log("-ERRORS-->"+getErrors().size(), null);
 152                 for(String p : getErrors().keySet())
 153                         GWT.log("error:"+p, getErrors().get(p));
 154         }
 155
 156         @Override
 157         public void onError(Throwable t) {
 158
 159
 160         }
 161
 162 }