2 * Copyright 2011-2013 GRNET S.A. All rights reserved.
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5 * without modification, are permitted provided that the following
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13 * copyright notice, this list of conditions and the following
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20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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36 package gr.grnet.pithos.web.client.rest;
38 import gr.grnet.pithos.web.client.Pithos;
39 import gr.grnet.pithos.web.client.Resource;
41 import java.util.HashMap;
44 import com.google.gwt.core.client.Scheduler;
45 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
46 import com.google.gwt.http.client.Request;
47 import com.google.gwt.http.client.RequestBuilder;
48 import com.google.gwt.http.client.RequestException;
49 import com.google.gwt.http.client.Response;
52 * Created by IntelliJ IDEA. User: chstath Date: 7/5/11 Time: 5:29 PM To change this template use File | Settings | File
55 public abstract class DeleteRequest implements ScheduledCommand {
57 protected static final int MAX_RETRIES = 3;
59 protected int retries = 0;
63 protected String owner;
67 private Map<String, String> headers = new HashMap<String, String>();
69 public abstract void onSuccess(Resource result);
71 public abstract void onError(Throwable t);
73 public DeleteRequest(String api, String owner, String path) {
80 public void execute() {
81 Pithos.LOG("DELETE api = ", api, ", owner = ", owner, ", path = ", path);
82 Pithos.LOG(" ==> ", api + owner + path);
83 RequestBuilder builder = new RequestBuilder(RequestBuilder.DELETE, api + owner + path);
84 for (String header : headers.keySet()) {
85 builder.setHeader(header, headers.get(header));
88 builder.sendRequest("", new RestRequestCallback<Resource>(api + owner + path, Response.SC_NO_CONTENT) {
90 public void onSuccess(Resource object) {
91 DeleteRequest.this.onSuccess(object);
95 public Resource deserialize(Response response) {
96 return Resource.createFromResponse(Resource.class, owner, response, null);
100 public void onError(Request request, Throwable throwable) {
101 if (retries >= MAX_RETRIES)
102 DeleteRequest.this.onError(throwable);
104 Scheduler.get().scheduleDeferred(DeleteRequest.this);
108 public void onUnauthorized(Response response) {
109 if (retries >= MAX_RETRIES)
110 DeleteRequest.this.onUnauthorized(response);
112 Scheduler.get().scheduleDeferred(DeleteRequest.this);
117 catch (RequestException e) {
122 protected abstract void onUnauthorized(Response response);
124 public void setHeader(String header, String value) {
125 headers.put(header, value);