/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* 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.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.webapp.data;
import javax.servlet.ServletContext;
import javax.servlet.http.*;
import org.eclipse.help.IHelpResource;
import org.eclipse.help.internal.base.*;
/**
* This class manages bookmarks.
*/
public class BookmarksData extends RequestData {
public final static int NONE = 0;
public final static int ADD = 1;
public final static int REMOVE = 2;
public final static int REMOVE_ALL = 3;
public BookmarksData(ServletContext context, HttpServletRequest request,
HttpServletResponse response) {
super(context, request, response);
switch (getOperation()) {
case ADD :
addBookmark();
break;
case REMOVE :
removeBookmark();
break;
case REMOVE_ALL :
removeAllBookmarks();
break;
default :
break;
}
}
public void addBookmark() {
String bookmarkURL = request.getParameter("bookmark"); //$NON-NLS-1$
if (bookmarkURL != null && bookmarkURL.length() > 0
&& !bookmarkURL.equals("about:blank")) { //$NON-NLS-1$
String title = request.getParameter("title"); //$NON-NLS-1$
if (title == null) {
return;
}
BookmarkManager manager = BaseHelpSystem.getBookmarkManager();
manager.addBookmark(bookmarkURL, title);
}
}
public void removeBookmark() {
String bookmarkURL = request.getParameter("bookmark"); //$NON-NLS-1$
if (bookmarkURL != null && bookmarkURL.length() > 0
&& !bookmarkURL.equals("about:blank")) { //$NON-NLS-1$
String title = request.getParameter("title"); //$NON-NLS-1$
if (title == null) {
return;
}
BookmarkManager manager = BaseHelpSystem.getBookmarkManager();
manager.removeBookmark(bookmarkURL, title);
}
}
public void removeAllBookmarks() {
BookmarkManager manager = BaseHelpSystem.getBookmarkManager();
manager.removeAllBookmarks();
}
public Topic[] getBookmarks() {
// sanity test for infocenter, but this could not work anyway...
if (BaseHelpSystem.getMode() != BaseHelpSystem.MODE_INFOCENTER) {
BookmarkManager manager = BaseHelpSystem.getBookmarkManager();
IHelpResource [] bookmarks = manager.getBookmarks();
Topic [] topics = new Topic[bookmarks.length];
for (int i=0; i<bookmarks.length; i++) {
IHelpResource bookmark = bookmarks[i];
topics[i] = new Topic(bookmark.getLabel(), bookmark.getHref());
}
return topics;
}
return new Topic[0];
}
private int getOperation() {
String op = request.getParameter("operation"); //$NON-NLS-1$
if ("add".equals(op)) //$NON-NLS-1$
return ADD;
else if ("remove".equals(op)) //$NON-NLS-1$
return REMOVE;
else if ("removeAll".equals(op)) //$NON-NLS-1$
return REMOVE_ALL;
else
return NONE;
}
}