/*

  * Copyright (c) 2003-2011, Simon Brown

  * All rights reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions are met:

  *

  *   - Redistributions of source code must retain the above copyright

  *     notice, this list of conditions and the following disclaimer.

  *

  *   - Redistributions in binary form must reproduce the above copyright

  *     notice, this list of conditions and the following disclaimer in

  *     the documentation and/or other materials provided with the

  *     distribution.

  *

  *   - Neither the name of Pebble nor the names of its contributors may

  *     be used to endorse or promote products derived from this software

  *     without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

  * POSSIBILITY OF SUCH DAMAGE.

  */

 package net.sourceforge.pebble.decorator;

 import java.io.UnsupportedEncodingException;

 import java.net.URLEncoder;

 import java.util.ResourceBundle;

 import net.sourceforge.pebble.api.decorator.ContentDecoratorContext;

 import net.sourceforge.pebble.domain.Blog;

 import net.sourceforge.pebble.domain.BlogEntry;

 import net.sourceforge.pebble.util.I18n;

 /**

  * Adds links to the social bookmarking sites to add current blog entry

  * 

  * @author Alexander Zagniotov

  */

 public class SocialBookmarksDecorator extends ContentDecoratorSupport {

         private static final String TITLE = "&title=";

         private static final String TITLE_FURL_YAHOO = "&t=";

         private static final String SLASHDOT_URL = "http://slashdot.org/bookmark.pl?url=";

         private static final String DIGG_URL = "http://digg.com/submit?url=";

         private static final String REDDIT_URL = "http://reddit.com/submit?url=";

         private static final String DELICIOUS_URL = "http://del.icio.us/post?url=";

         private static final String STUMBLEUPON_URL = "http://www.stumbleupon.com/submit?url=";

         private static final String GOOGLE_URL = "http://www.google.com/bookmarks/mark?op=edit&bkmk=";

         private static final String TECHNORATI_URL = "http://technorati.com/faves?add=";

         private static final String BLOGLINES_URL = "http://www.bloglines.com/sub/";

         private static final String FACEBOOK_URL = "http://www.facebook.com/share.php?u=";

         private static final String FURL_URL = "http://www.furl.net/storeIt.jsp?u=";

         private static final String WINDOWSLIVE_URL = "https://favorites.live.com/quickadd.aspx?mkt=en-us&url=";

         private static final String YAHOO_URL = "http://bookmarks.yahoo.com/toolbar/savebm?opener=tb&u=";

         private static final String SLASHDOT_IMG = "<img src=\"common/images/slashdot.png\" alt=\"Add this post to Slashdot\" border=\"0\" />";

         private static final String DIGG_IMG = "<img src=\"common/images/digg.png\" alt=\"Add this post to Digg\" border=\"0\" />";

         private static final String REDDIT_IMG = "<img src=\"common/images/reddit.png\" alt=\"Add this post to Reddit\" border=\"0\" />";

         private static final String DELICIOUS_IMG = "<img src=\"common/images/delicious.png\" alt=\"Add this post to Delicious\" border=\"0\" />";

         private static final String STUMBLEUPON_IMG = "<img src=\"common/images/stumbleupon.png\" alt=\"Add this post to Stumble it\" border=\"0\" />";

         private static final String GOOGLE_IMG = "<img src=\"common/images/google.png\" alt=\"Add this post to Google\" border=\"0\" />";

         private static final String TECHNORATI_IMG = "<img src=\"common/images/technorati.png\" alt=\"Add this post to Technorati\" border=\"0\" />";

         private static final String BLOGLINES_IMG = "<img src=\"common/images/bloglines.png\" alt=\"Add this post to Bloglines\" border=\"0\" />";

         private static final String FACEBOOK_IMG = "<img src=\"common/images/facebook.png\" alt=\"Add this post to Facebook\" border=\"0\" />";

         private static final String FURL_IMG = "<img src=\"common/images/furl.png\" alt=\"Add this post to Furl\" border=\"0\" />";

         private static final String WINDOWSLIVE_IMG = "<img src=\"common/images/windowslive.png\" alt=\"Add this post to Windows Live\" border=\"0\" />";

         private static final String YAHOO_IMG = "<img src=\"common/images/yahoo.png\" alt=\"Add this post to Yahoo!\" border=\"0\" />";

         private static final String SLASHDOT_ALT = "socialbookmark.addToSlashdot";

         private static final String DIGG_ALT = "socialbookmark.addToDigg";

         private static final String REDDIT_ALT = "socialbookmark.addToReddit";

         private static final String DELICIOUS_ALT = "socialbookmark.addToDelicious";

         private static final String STUMBLEUPON_ALT = "socialbookmark.addToStumbleupon";

         private static final String GOOGLE_ALT = "socialbookmark.addToGoogle";

         private static final String TECHNORATI_ALT = "socialbookmark.addToTechnorati";

         private static final String BLOGLINES_ALT = "socialbookmark.addToBloglines";

         private static final String FACEBOOK_ALT = "socialbookmark.addToFacebook";

         private static final String FURL_ALT = "socialbookmark.addToFurl";

         private static final String WINDOWSLIVE_ALT = "socialbookmark.addToWindowsLive";

         private static final String YAHOO_ALT = "socialbookmark.addToYahoo";

         private static final String[] bookmarkingSites = { SLASHDOT_URL, DIGG_URL,

                         REDDIT_URL, DELICIOUS_URL, STUMBLEUPON_URL, GOOGLE_URL, TECHNORATI_URL, BLOGLINES_URL, FACEBOOK_URL,

                         FURL_URL, WINDOWSLIVE_URL, YAHOO_URL};

         private static final String[] bookmarkingNames = { SLASHDOT_IMG, DIGG_IMG,

                         REDDIT_IMG, DELICIOUS_IMG, STUMBLEUPON_IMG, GOOGLE_IMG, TECHNORATI_IMG, BLOGLINES_IMG, FACEBOOK_IMG,

                         FURL_IMG, WINDOWSLIVE_IMG, YAHOO_IMG};

         private static final String[] bookmarkingAltText = { SLASHDOT_ALT, DIGG_ALT,

                         REDDIT_ALT, DELICIOUS_ALT, STUMBLEUPON_ALT, GOOGLE_ALT, TECHNORATI_ALT, BLOGLINES_ALT, FACEBOOK_ALT,

                         FURL_ALT, WINDOWSLIVE_ALT, YAHOO_ALT};

         /**

          * Decorates the specified blog entry.

          * 

          * @param context

          *            the context in which the decoration is running

          * @param blogEntry

          *            the blog entry to be decorated

          */

         public void decorate(ContentDecoratorContext context, BlogEntry blogEntry) {

                 Blog blog = blogEntry.getBlog();

                 ResourceBundle bundle = I18n.getBundle(blog.getLocale());

                 String body = blogEntry.getBody();

                 if (body != null && body.trim().length() > 0) {

                         String html = generateDecorationHtml(bundle, blogEntry);

                         blogEntry.setBody(body + html);

                 }

                 String excerpt = blogEntry.getExcerpt();

                 if (excerpt != null && excerpt.trim().length() > 0) {

                         String html = generateDecorationHtml(bundle, blogEntry);

                         blogEntry.setExcerpt(excerpt + html);

                 }

         }

         private String generateDecorationHtml(ResourceBundle bundle,

                         BlogEntry blogEntry) {

                 StringBuffer buf = new StringBuffer();

                 String permLink = blogEntry.getPermalink();

                 String title = "";

                 try {

                         title = URLEncoder.encode(blogEntry.getTitle(), "UTF-8");

                 }

                 catch(UnsupportedEncodingException e) {

                         title = blogEntry.getTitle();

                 }

                 buf.append("<div class=\"tags\"><span>");

                 buf.append(bundle.getString("common.bookmarks"));

                 buf.append(" : </span>&nbsp;");

                 for (int i = 0; i < bookmarkingSites.length; i++) {

                         buf.append("<a href=\"");

                         buf.append(bookmarkingSites[i] + permLink);

                         if (bookmarkingSites[i] != TECHNORATI_URL && 

                                 bookmarkingSites[i] != BLOGLINES_URL && 

                                 bookmarkingSites[i] != FACEBOOK_URL &&

                                 bookmarkingSites[i] != FURL_URL &&

                                 bookmarkingSites[i] != YAHOO_URL) {

                                 buf.append(TITLE + title + "\"");

                         } 

                         else if (bookmarkingSites[i] == FURL_URL || bookmarkingSites[i] == YAHOO_URL) {

                                 buf.append(TITLE_FURL_YAHOO + title + "\"");

                         }

                         else {

                                 buf.append("\"");

                         }

                         buf.append(" target=\"_blank\"");

                         buf.append(" title=\"" + bundle.getString(bookmarkingAltText[i]) + "\">");

                         buf.append(bookmarkingNames[i]);

                         buf.append("</a>");

                         if (i < bookmarkingSites.length - 1) {

                                 buf.append("    ");

                         }

                 }

                 buf.append("</div>");

                 return buf.toString();

         }

 }