/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2006 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.actions;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.IEntity;
import org.rssowl.core.persist.IFolder;
import org.rssowl.core.persist.IMark;
import org.rssowl.core.persist.INews;
import org.rssowl.core.persist.ISearchCondition;
import org.rssowl.core.persist.ISearchMark;
import org.rssowl.core.persist.dao.DynamicDAO;
import org.rssowl.core.persist.dao.IPreferenceDAO;
import org.rssowl.core.persist.service.PersistenceException;
import org.rssowl.core.util.StringUtils;
import org.rssowl.ui.internal.Activator;
import org.rssowl.ui.internal.views.explorer.BookMarkExplorer;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.text.DateFormat;
import java.util.Date;
import java.util.EnumSet;
import java.util.List;
/**
* TODO This is just for Developers Purposes!
*
* @author bpasero
*/
public class ExportFeedsAction extends Action implements IWorkbenchWindowActionDelegate {
private Shell fShell;
private DateFormat fDateFormat = DateFormat.getDateInstance();
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
*/
public void dispose() {}
/*
* @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
*/
public void init(IWorkbenchWindow window) {
fShell = window.getShell();
}
/*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
run();
}
@Override
public void run() {
FileDialog dialog = new FileDialog(fShell, SWT.SAVE);
dialog.setText("Export all Feeds to OPML");
dialog.setFilterExtensions(new String[] { "*.opml", "*.xml", "*.*" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
dialog.setFileName("feeds.opml");
String string = dialog.open();
if (string != null) {
try {
File file = new File(string);
/* Ask for Confirmation if file exists */
if (file.exists()) {
MessageBox box = new MessageBox(fShell, SWT.ICON_WARNING | SWT.YES | SWT.NO);
box.setMessage("The folder already contains a file named '" + file.getName() + "'.\n\nReplace the existing file?");
box.setText("Confirm Replace");
if (box.open() != SWT.YES)
return;
}
/* Proceed Exporting */
Long selectedRootFolderID = DynamicDAO.getDAO(IPreferenceDAO.class).load(BookMarkExplorer.PREF_SELECTED_BOOKMARK_SET).getLong();
IFolder selectedRootFolder = DynamicDAO.load(IFolder.class, selectedRootFolderID);
exportToOPML(file, selectedRootFolder);
} catch (IOException e) {
Activator.getDefault().logError(e.getMessage(), e);
}
}
}
private void exportToOPML(File file, IFolder root) throws IOException, PersistenceException {
OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
writer.write("<opml version=\"1.1\" xmlns:rssowl=\"http://www.rssowl.org\">\n");
writer.write("<body>\n");
exportToOPML(root, writer);
writer.write("</body>\n");
writer.write("</opml>\n");
writer.close();
}
private void exportToOPML(IFolder folder, OutputStreamWriter writer) throws IOException, PersistenceException {
List<IMark> marks = folder.getMarks();
for (IMark mark : marks) {
String name = escape(mark.getName());
/* Export BookMark */
if (mark instanceof IBookMark) {
String link = escape(((IBookMark) mark).getFeedLinkReference().getLink().toString());
writer.write("<outline text=\"" + name + "\" xmlUrl=\"" + link + "\" />\n");
}
/* Export SearchMark */
else if (mark instanceof ISearchMark) {
ISearchMark searchMark = (ISearchMark) mark;
List<ISearchCondition> conditions = searchMark.getSearchConditions();
writer.write("<rssowl:savedsearch name=\"" + name + "\" matchAllConditions=\"" + searchMark.matchAllConditions() + "\">\n");
for (ISearchCondition condition : conditions) {
writer.write("\t<rssowl:searchcondition>\n");
writer.write(toXML(condition));
writer.write("\t</rssowl:searchcondition>\n");
}
writer.write("</rssowl:savedsearch>\n\n");
}
}
List<IFolder> childFolders = folder.getFolders();
for (IFolder childFolder : childFolders) {
String name = escape(childFolder.getName());
writer.write("<outline text=\"" + name + "\">\n");
exportToOPML(childFolder, writer);
writer.write("</outline>\n");
}
}
private String escape(String str) {
str = StringUtils.replaceAll(str, "&", "&");
str = StringUtils.replaceAll(str, "<", "<");
str = StringUtils.replaceAll(str, ">", ">");
return str;
}
private String toXML(ISearchCondition condition) {
StringBuilder str = new StringBuilder();
/* Search Specifier */
str.append("\t\t<rssowl:searchspecifier id=\"" + condition.getSpecifier().ordinal() + "\" />\n");
/* Single Value */
if (!EnumSet.class.isAssignableFrom(condition.getValue().getClass()))
str.append("\t\t<rssowl:searchvalue value=\"" + getValueString(condition) + "\" type=\"" + condition.getField().getSearchValueType().getId() + "\" />\n");
/* Multiple Values */
else {
EnumSet<?> values = ((EnumSet<?>) condition.getValue());
str.append("\t\t<rssowl:searchvalue type=\"" + condition.getField().getSearchValueType().getId() + "\">\n");
for (Enum<?> enumValue : values)
str.append("\t\t\t<rssowl:newsstate value=\"" + enumValue.ordinal() + "\" />\n");
str.append("\t\t</rssowl:searchvalue>\n");
}
/* Search Field */
str.append("\t\t<rssowl:searchfield name=\"" + getSearchFieldName(condition.getField().getId()) + "\" entity=\"" + condition.getField().getEntityName() + "\" />\n");
return str.toString();
}
private String getSearchFieldName(int fieldId) {
switch (fieldId) {
case (IEntity.ALL_FIELDS):
return "allFields";
case (INews.TITLE):
return "title";
case (INews.LINK):
return "link";
case (INews.DESCRIPTION):
return "description";
case (INews.PUBLISH_DATE):
return "publishDate";
case (INews.MODIFIED_DATE):
return "modifiedDate";
case (INews.RECEIVE_DATE):
return "receiveDate";
case (INews.AUTHOR):
return "author";
case (INews.COMMENTS):
return "comments";
case (INews.GUID):
return "guid";
case (INews.SOURCE):
return "source";
case (INews.HAS_ATTACHMENTS):
return "hasAttachments";
case (INews.ATTACHMENTS_CONTENT):
return "attachments";
case (INews.CATEGORIES):
return "categories";
case (INews.IS_FLAGGED):
return "isFlagged";
case (INews.STATE):
return "state";
case (INews.LABEL):
return "label";
case (INews.RATING):
return "rating";
case (INews.FEED):
return "feed";
case (INews.AGE_IN_DAYS):
return "ageInDays";
default:
return "allFields";
}
}
private String getValueString(ISearchCondition condition) {
if (condition.getValue() instanceof Date)
return fDateFormat.format((Date) condition.getValue());
return escape(condition.getValue().toString());
}
/*
* @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction,
* org.eclipse.jface.viewers.ISelection)
*/
public void selectionChanged(IAction action, ISelection selection) {}
}