source: main/trunk/greenstone3/src/java/org/greenstone/admin/guiext/DownloadStep.java@ 23582

Last change on this file since 23582 was 23582, checked in by sjm84, 13 years ago

Updating the admin program to check out extensions from the correct place after the rearranging of the extension svn structure
File size: 11.0 KB
Line 
1package org.greenstone.admin.guiext;
2
3import org.w3c.dom.Element;
4
5import java.util.ArrayList;
6
7import java.io.File;
8
9import javax.swing.JButton;
10import javax.swing.JFrame;
11import javax.swing.JOptionPane;
12import javax.swing.JTextArea;
13import javax.swing.JLabel;
14import javax.swing.JPanel;
15
16import java.awt.BorderLayout;
17
18import java.awt.event.ActionListener;
19import java.awt.event.ActionEvent;
20
21import org.tmatesoft.svn.core.internal.io.dav.DAVRepositoryFactory;
22import org.tmatesoft.svn.core.internal.io.fs.FSRepositoryFactory;
23import org.tmatesoft.svn.core.internal.io.svn.SVNRepositoryFactoryImpl;
24import org.tmatesoft.svn.core.wc.SVNClientManager;
25import org.tmatesoft.svn.core.wc.SVNWCUtil;
26import org.tmatesoft.svn.core.wc.SVNUpdateClient;
27import org.tmatesoft.svn.core.wc.ISVNEventHandler;
28import org.tmatesoft.svn.core.wc.SVNEvent;
29import org.tmatesoft.svn.core.wc.SVNEventAction;
30import org.tmatesoft.svn.core.wc.SVNRevision;
31import org.tmatesoft.svn.core.wc.SVNStatusType;
32import org.tmatesoft.svn.core.SVNURL;
33import org.tmatesoft.svn.core.SVNException;
34import org.tmatesoft.svn.core.SVNDepth;
35import org.tmatesoft.svn.core.SVNCancelException;
36
37import org.greenstone.admin.GAI;
38import org.greenstone.admin.LoggedMessageArea;
39
40public class DownloadStep extends Step
41{
42 Source _mainSource = null;
43 Source[] _auxSources = null;
44 LoggedMessageArea _messageArea = new LoggedMessageArea(this.getClass());
45
46 public DownloadStep(SequenceList parent)
47 {
48 super("AUTOMATIC_DOWNLOAD", "Download Extension", "", "", parent);
49
50 ExtensionInformation info = _parent.getParent();
51
52 _mainSource = new Source("svn", info.getBaseURL() + info.getFileStem() + "/trunk/src", "", this);
53
54 _button.addActionListener(new DownloadButtonListener());
55 }
56
57 public DownloadStep(Element downloadStepElement, SequenceList parent)
58 {
59 super(downloadStepElement, parent);
60
61 if(downloadStepElement != null){
62 Element mainSourceElement = ExtXMLHelper.getSingleChildElement(downloadStepElement, ExtXMLHelper.MAIN_SOURCE, true);
63 if(mainSourceElement == null){
64 System.err.println("This download <" + ExtXMLHelper.STEP + "> element has no <" + ExtXMLHelper.MAIN_SOURCE + "> element");
65 }
66 else{
67 _mainSource = new Source(mainSourceElement, this);
68 }
69
70 Element[] auxSourceElements = ExtXMLHelper.getMultipleChildElements(downloadStepElement, ExtXMLHelper.AUX_SOURCE, false);
71 if(auxSourceElements != null){
72 _auxSources = new Source[auxSourceElements.length];
73 for(int i = 0; i < auxSourceElements.length; i++){
74 _auxSources[i] = new Source(auxSourceElements[i], this);
75 }
76 }
77
78 _button = new JButton(_label);
79 _button.setEnabled(false);
80 _button.addActionListener(new DownloadButtonListener());
81 }
82 else{
83 System.err.println("This download <" + ExtXMLHelper.STEP + "> element is null");
84 }
85 }
86
87 public class DownloadButtonListener implements ActionListener
88 {
89 boolean _svnInitialised = false;
90 public DownloadButtonListener()
91 {
92 if(!_svnInitialised){
93 //Setup the SVN client system
94 DAVRepositoryFactory.setup();
95 SVNRepositoryFactoryImpl.setup();
96 FSRepositoryFactory.setup();
97 }
98 _svnInitialised = true;
99 }
100
101 public void actionPerformed(ActionEvent e)
102 {
103 _button.setEnabled(false);
104 _button.setText("Downloading...");
105
106 DownloadThread downloadThread = new DownloadThread();
107 downloadThread.start();
108 }
109 }
110
111 public class DownloadThread extends Thread
112 {
113 public void run()
114 {
115 ExtensionInformation info = _parent.getParent();
116
117 JPanel panel = new JPanel();
118 panel.setLayout(new BorderLayout());
119 panel.add(_messageArea, BorderLayout.CENTER);
120 info.changeExtPane(panel);
121
122 String fileStem = info.getFileStem();
123 String defaultDownloadLocation = GAI.getGSDL3ExtensionHome() + System.getProperty("file.separator") + fileStem;
124
125 ArrayList sourceElements = new ArrayList();
126 sourceElements.add(_mainSource);
127
128 if(_auxSources != null){
129 for(int i = 0; i < _auxSources.length; i++){
130 sourceElements.add(_auxSources[i]);
131 }
132 }
133
134 for(int i = 0; i < sourceElements.size(); i++){
135
136 Source currentSource = (Source)sourceElements.get(i);
137 String destinationFolder = null;
138
139 if(currentSource.getMethod().equals("svn")){
140 String name = "";
141 String password = "";
142
143 //Setup the SVN client
144 SVNClientManager svnManager = SVNClientManager.newInstance(SVNWCUtil.createDefaultOptions(true), name, password);
145 SVNUpdateClient svnCheckout = svnManager.getUpdateClient();
146 svnCheckout.setEventHandler(new SVNCheckoutEventHandler());
147 svnCheckout.setIgnoreExternals(false);
148
149 //The i != 0 enforces that the mainSource should always go to the default download location
150 if(i != 0 && !currentSource.getFolder().equals("")){
151 destinationFolder = currentSource.getFolder();
152 }
153 else{
154 destinationFolder = defaultDownloadLocation;
155 }
156
157 //Check if the directory already exists. If it does exist then as the use if they wish to delete it
158 File wcDir = new File(destinationFolder);
159 if (wcDir.exists()) {
160
161 Object[] option = {"Continue","Cancel"};
162 int n = JOptionPane.showOptionDialog(new JFrame(),"The folder for this extension already exists, continuing will remove all the files within this folder before proceeding.","Attention",
163 JOptionPane.YES_NO_CANCEL_OPTION,
164 JOptionPane.QUESTION_MESSAGE,
165 null,
166 option,
167 option[0]);
168 if(n == 0){
169 ExtPane.deleteDir(wcDir);
170 }
171 else{
172 _button.setEnabled(true);
173 _button.setText(_label);
174 return;
175 }
176 }
177 wcDir.mkdirs();
178
179 //Perform the specified checkout
180 String url = currentSource.getURL();
181 try{
182 SVNURL repositoryURL = SVNURL.parseURIEncoded(url);
183 long x = svnCheckout.doCheckout(repositoryURL, wcDir, SVNRevision.HEAD, SVNRevision.HEAD, SVNDepth.INFINITY, true);
184 }
185 catch(SVNException ex){
186 ex.printStackTrace();
187 _messageArea.append("Error retrieving file from SVN");
188 _button.setEnabled(true);
189 _button.setText(_label);
190 return;
191 }
192 }
193 }
194
195 _button.setEnabled(true);
196 _button.setText(_label);
197 _parent.registerStepCompletion(DownloadStep.this);
198 }
199 }
200
201 public class SVNCheckoutEventHandler implements ISVNEventHandler
202 {
203 public void handleEvent(SVNEvent event, double progress)
204 {
205 /*
206 * Gets the current action. An action is represented by SVNEventAction.
207 * In case of an update an action can be determined via comparing
208 * SVNEvent.getAction() and SVNEventAction.UPDATE_-like constants.
209 */
210
211 //_messageArea.append(" event occurs");
212 SVNEventAction action = event.getAction();
213 String pathChangeType = " ";
214 if (action == SVNEventAction.UPDATE_ADD) {
215 /*
216 * the item was added
217 */
218 pathChangeType = "A";
219 } else if (action == SVNEventAction.UPDATE_DELETE) {
220 /*
221 * the item was deleted
222 */
223 pathChangeType = "D";
224 } else if (action == SVNEventAction.UPDATE_UPDATE) {
225 /*
226 * Find out in details what state the item is (after having been
227 * updated).
228 *
229 * Gets the status of file/directory item contents. It is
230 * SVNStatusType who contains information on the state of an item.
231 */
232 SVNStatusType contentsStatus = event.getContentsStatus();
233 if (contentsStatus == SVNStatusType.CHANGED) {
234 /*
235 * the item was modified in the repository (got the changes
236 * from the repository
237 */
238 pathChangeType = "U";
239 }else if (contentsStatus == SVNStatusType.CONFLICTED) {
240 /*
241 * The file item is in a state of Conflict. That is, changes
242 * received from the repository during an update, overlap with
243 * local changes the user has in his working copy.
244 */
245 pathChangeType = "C";
246 } else if (contentsStatus == SVNStatusType.MERGED) {
247 /*
248 * The file item was merGed (those changes that came from the
249 * repository did not overlap local changes and were merged
250 * into the file).
251 */
252 pathChangeType = "G";
253 }
254 } else if (action == SVNEventAction.UPDATE_EXTERNAL) {
255 /*for externals definitions*/
256 _messageArea.append("Fetching external item into '"
257 + event.getFile().getAbsolutePath() + "'");
258 _messageArea.append("External at revision " + event.getRevision());
259 return;
260 } else if (action == SVNEventAction.UPDATE_COMPLETED) {
261 /*
262 * Updating the working copy is completed. Prints out the revision.
263 */
264 //_messageArea.append("At revision " + event.getRevision());
265 _messageArea.append("At revision " + event.getRevision()+"\n");
266 //_messageArea.append("The extension ("+ _extensionName +") has been downloaded to the local folder: \n"+ _destination +"\n"); //xxxxx
267 _messageArea.setSelectionEnd(_messageArea.getDocument().getLength());
268 return;
269 } else if (action == SVNEventAction.ADD){
270 _messageArea.append("A " + event.getURL().getPath());
271 return;
272 } else if (action == SVNEventAction.DELETE){
273 _messageArea.append("D " + event.getURL().getPath());
274 return;
275 } else if (action == SVNEventAction.LOCKED){
276 _messageArea.append("L " + event.getURL().getPath());
277 return;
278 } else if (action == SVNEventAction.LOCK_FAILED){
279 _messageArea.append("failed to lock " + event.getURL().getPath());
280 return;
281 }
282
283 /*
284 * Now getting the status of properties of an item. SVNStatusType also
285 * contains information on the properties state.
286 */
287 SVNStatusType propertiesStatus = event.getPropertiesStatus();
288 /*
289 * At first consider properties are normal (unchanged).
290 */
291 String propertiesChangeType = " ";
292 if (propertiesStatus == SVNStatusType.CHANGED) {
293 /*
294 * Properties were updated.
295 */
296 propertiesChangeType = "U";
297 } else if (propertiesStatus == SVNStatusType.CONFLICTED) {
298 /*
299 * Properties are in conflict with the repository.
300 */
301 propertiesChangeType = "C";
302 } else if (propertiesStatus == SVNStatusType.MERGED) {
303 /*
304 * Properties that came from the repository were merged with the
305 * local ones.
306 */
307 propertiesChangeType = "G";
308 }
309
310 /*
311 * Gets the status of the lock.
312 */
313 String lockLabel = " ";
314 SVNStatusType lockType = event.getLockStatus();
315
316 if (lockType == SVNStatusType.LOCK_UNLOCKED) {
317 /*
318 * The lock is broken by someone.
319 */
320 lockLabel = "B";
321 }
322
323 /*
324 System.err.println("pathChangeType = " + pathChangeType);
325 System.err.println("propertiesChangeType = " + propertiesChangeType);
326 System.err.println("lockLabel = " + lockLabel);
327 System.err.println("event = " + event);
328 System.err.println("event.getURL = " + event.getURL());
329 */
330
331 final String content = pathChangeType
332 + propertiesChangeType
333 + lockLabel
334 + " "
335 + (event.getURL() == null ? "" : event.getURL().getPath()) + "\n";
336
337 _messageArea.append(content);
338 _messageArea.setSelectionEnd(_messageArea.getDocument().getLength());
339 }
340
341 public void checkCancelled() throws SVNCancelException
342 {
343 }
344 }
345}
Note: See TracBrowser for help on using the repository browser.