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providerhandler.cpp
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1 /*
2  This file is part of KNewStuff2.
3  Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
4  Copyright (c) 2003 - 2007 Josef Spillner <spillner@kde.org>
5 
6  This library is free software; you can redistribute it and/or
7  modify it under the terms of the GNU Lesser General Public
8  License as published by the Free Software Foundation; either
9  version 2.1 of the License, or (at your option) any later version.
10 
11  This library 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 GNU
14  Lesser General Public License for more details.
15 
16  You should have received a copy of the GNU Lesser General Public
17  License along with this library. If not, see <http://www.gnu.org/licenses/>.
18 */
19 
20 #include "providerhandler.h"
21 
22 //#include <kconfig.h>
23 #include <kdebug.h>
24 //#include <kio/job.h>
25 #include <kglobal.h>
26 //#include <kmessagebox.h>
27 #include <klocale.h>
28 
29 #include "feed.h"
30 
31 using namespace KNS;
32 
33 ProviderHandler::ProviderHandler(const Provider& provider)
34 {
35  mValid = false;
36  mProvider = provider;
37  mProviderXML = serializeElement(provider);
38 }
39 
40 ProviderHandler::ProviderHandler(const QDomElement& providerxml)
41  :mProviderXML(providerxml)
42  ,mValid(false)
43 {
44  mProvider = deserializeElement(providerxml);
45 }
46 
47 bool ProviderHandler::isValid()
48 {
49  return mValid;
50 }
51 
52 QDomElement ProviderHandler::providerXML()
53 {
54  return mProviderXML;
55 }
56 
57 Provider *ProviderHandler::providerptr()
58 {
59  Provider *provider = new Provider();
60  provider->setName(mProvider.name());
61  //provider->setDownloadUrl(mProvider.downloadUrl());
62  provider->setUploadUrl(mProvider.uploadUrl());
63  provider->setNoUploadUrl(mProvider.noUploadUrl());
64  provider->setWebAccess(mProvider.webAccess());
65  provider->setWebService(mProvider.webService());
66  provider->setIcon(mProvider.icon());
67 
68  const QStringList feeds = mProvider.feeds();
69  for (QStringList::ConstIterator it = feeds.begin(); it != feeds.end(); ++it) {
70  Feed *feed = mProvider.downloadUrlFeed((*it));
71  provider->addDownloadUrlFeed((*it), feed);
72  }
73  return provider;
74 }
75 
76 Provider ProviderHandler::provider()
77 {
78  return mProvider;
79 }
80 
81 QDomElement ProviderHandler::serializeElement(const Provider& provider)
82 {
83  QDomDocument doc;
84 
85  QDomElement el = doc.createElement("provider");
86 
87  KTranslatable name = provider.name();
88 
89  QStringList::ConstIterator it;
90  QDomElement e;
91  const QStringList langs = name.languages();
92  for (it = langs.begin(); it != langs.end(); ++it) {
93  e = addElement(doc, el, "title", name.translated(*it));
94  e.setAttribute("lang", *it);
95  }
96 
97  /*if(provider.downloadUrl().isValid())
98  {
99  el.setAttribute("downloadurl", provider.downloadUrl().url());
100  }*/
101  if (provider.uploadUrl().isValid()) {
102  el.setAttribute("uploadurl", provider.uploadUrl().url());
103  }
104  if (provider.noUploadUrl().isValid()) {
105  el.setAttribute("nouploadurl", provider.noUploadUrl().url());
106  }
107  if (provider.webAccess().isValid()) {
108  el.setAttribute("webaccess", provider.webAccess().url());
109  }
110  if (provider.webService().isValid()) {
111  el.setAttribute("webservice", provider.webService().url());
112  }
113  if (provider.icon().isValid()) {
114  el.setAttribute("icon", provider.icon().url());
115  }
116 
117  const QStringList feeds = provider.feeds();
118  for (QStringList::ConstIterator it = feeds.begin(); it != feeds.end(); ++it) {
119  Feed *feed = provider.downloadUrlFeed((*it));
120  if ((*it).isEmpty())
121  el.setAttribute("downloadurl", feed->feedUrl().url());
122  else
123  el.setAttribute("downloadurl-" + (*it), feed->feedUrl().url());
124  }
125 
126  mValid = true;
127  return el;
128 }
129 
130 Provider ProviderHandler::deserializeElement(const QDomElement& providerxml)
131 {
132  Provider provider;
133  KTranslatable name;
134 
135  if (providerxml.tagName() != "provider") return provider;
136 
137  QString uploadurl = providerxml.attribute("uploadurl");
138  QString nouploadurl = providerxml.attribute("nouploadurl");
139  QString webservice = providerxml.attribute("webservice");
140  QString webaccess = providerxml.attribute("webaccess");
141  //provider.setDownloadUrl(KUrl(downloadurl));
142  provider.setUploadUrl(KUrl(uploadurl));
143  provider.setNoUploadUrl(KUrl(nouploadurl));
144  provider.setWebService(KUrl(webservice));
145  provider.setWebAccess(KUrl(webaccess));
146 
147  QString downloadurl = providerxml.attribute("downloadurl");
148  QString downloadlatest = providerxml.attribute("downloadurl-latest");
149  QString downloadscore = providerxml.attribute("downloadurl-score");
150  QString downloaddownloads = providerxml.attribute("downloadurl-downloads");
151 
152  if (!downloadlatest.isEmpty()) {
153  Feed *feedlatest = new Feed();
154  feedlatest->setName(i18nc("describes the feed of the latest posted entries", "Latest"));
155  feedlatest->setFeedUrl(downloadlatest);
156  provider.addDownloadUrlFeed("latest", feedlatest);
157  }
158  if (!downloadscore.isEmpty()) {
159  Feed *feedscore = new Feed();
160  feedscore->setName(i18n("Highest Rated"));
161  feedscore->setFeedUrl(downloadscore);
162  provider.addDownloadUrlFeed("score", feedscore);
163  }
164  if (!downloaddownloads.isEmpty()) {
165  Feed *feeddownloads = new Feed();
166  feeddownloads->setName(i18n("Most Downloads"));
167  feeddownloads->setFeedUrl(downloaddownloads);
168  provider.addDownloadUrlFeed("downloads", feeddownloads);
169  }
170  if (!downloadurl.isEmpty()) {
171  Feed *feedgeneric = new Feed();
172  // feedgeneric->setName(i18n("Unsorted"));
173  // Currently this is used for latest
174  feedgeneric->setName(i18nc("describes the feed of the latest posted entries", "Latest"));
175  feedgeneric->setFeedUrl(downloadurl);
176  provider.addDownloadUrlFeed(QString(), feedgeneric);
177  }
178 
179  // FIXME: what exactly is the following condition supposed to do?
180  // FIXME: make sure new KUrl in KDE 4 handles this right
181  // FIXME: this depends on freedesktop.org icon naming... introduce 'desktopicon'?
182  KUrl iconurl(providerxml.attribute("icon"));
183  if (!iconurl.isValid()) iconurl.setPath(providerxml.attribute("icon"));
184  provider.setIcon(iconurl);
185 
186  QDomNode n;
187  for (n = providerxml.firstChild(); !n.isNull(); n = n.nextSibling()) {
188  QDomElement e = n.toElement();
189  if (e.tagName() == "title") {
190  QString lang = e.attribute("lang");
191  name.addString(lang, e.text().trimmed());
192  }
193  }
194 
195  provider.setName(name);
196 
197  // Validation
198 
199  if ((provider.noUploadUrl().isValid()) && (provider.uploadUrl().isValid())) {
200  //kWarning(550) << "ProviderHandler: both uploadurl and nouploadurl given";
201  return provider;
202  }
203 
204  if ((!provider.noUploadUrl().isValid()) && (!provider.uploadUrl().isValid())) {
205  if (!provider.webService().isValid()) {
206  //kWarning(550) << "ProviderHandler: neither uploadurl nor nouploadurl nor DXS given";
207  return provider;
208  }
209  }
210 
211  // Provider is valid
212 
213  mValid = true;
214  return provider;
215 }
216 
217 // FIXME: also used in EntryHandler - make common method?
218 QDomElement ProviderHandler::addElement(QDomDocument& doc, QDomElement& parent,
219  const QString& tag, const QString& value)
220 {
221  QDomElement n = doc.createElement(tag);
222  n.appendChild(doc.createTextNode(value));
223  parent.appendChild(n);
224 
225  return n;
226 }
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