war/src/main/java/pnews/servlet/HTML.java

   1 package pnews.servlet;
   2
   3 import java.io.UnsupportedEncodingException;
   4 import java.net.URLEncoder;
   5 import java.util.List;
   6 import java.util.logging.Level;
   7 import java.util.logging.Logger;
   8
   9 import pnews.Article;
  10 import pnews.Category;
  11 import pnews.Language;
  12
  13 public class HTML {
  14         private static final String CLASS_NAME= HTML.class.getName();
  15         private static final Logger LOG = Logger.getLogger(CLASS_NAME);
  16
  17         private static void appendA(StringBuffer buf, String child, String href, String cl) {
  18                 buf.append("<a href='");
  19                 buf.append(href);
  20                 buf.append("'");
  21                 if (cl != null) {
  22                         buf.append(" class='");
  23                         buf.append(cl);
  24                         buf.append('\'');
  25                 }
  26                 buf.append('>');
  27                 buf.append(child);
  28                 buf.append("</a>");
  29         }
  30
  31         private static void appendDiv(StringBuffer buf, String child) {
  32                 buf.append("<div>");
  33                 buf.append(child);
  34                 buf.append("</div>\n");
  35         }
  36
  37         private static void appendP(StringBuffer buf, String child) {
  38                 buf.append("<p>");
  39                 buf.append(child);
  40                 buf.append("</p>\n");
  41         }
  42
  43         private static void append(StringBuffer buf, Article a) throws UnsupportedEncodingException {
  44                 buf.append("<div class='article'>\n");
  45
  46                 buf.append("<div class='article-image'>\n");
  47                 if (a.thumbnail != null) {
  48                         buf.append("<img class='left' src='");
  49                         buf.append(a.thumbnail);
  50                         buf.append("'/>\n");
  51                 }
  52                 buf.append("</div>\n");
  53
  54                 buf.append("<div class='article-content'>\n");
  55
  56                 buf.append("<div class='article-title'>\n");
  57                 appendA(buf, a.title, "/redirect?url=" + URLEncoder.encode(a.link, "UTF-8"), null);
  58                 buf.append("</div>\n");
  59
  60                 buf.append("<div class='article-info'>" + a.website + " - " + a.publicationDate + "</div>");
  61
  62                 buf.append("<div class='article-description'>\n");
  63                 if (a.description != null) {
  64                         buf.append("<p>");
  65                         buf.append(a.description);
  66                         buf.append("</p>");
  67                 }
  68                 buf.append("</div>\n");
  69
  70                 buf.append("</div>\n");
  71
  72                 buf.append("</div>\n");
  73         }
  74
  75         private static void appendMenu(StringBuffer buf, Category catActive, Config cfg) {
  76                 String cl;
  77
  78                 buf.append("<nav>\n");
  79                 buf.append("<ul>\n");
  80
  81                 for (Category cat: cfg.getCategories()) {
  82                         if (!cat.getLanguage().equals(catActive.getLanguage()))
  83                                 continue;
  84
  85                         buf.append("<li>");
  86
  87                         if (cat.equals(catActive))
  88                                 cl = "active";
  89                         else
  90                                 cl = null;
  91
  92                         appendA(buf, cat.getLabel(), cat.getURL(), cl);
  93                         buf.append("</li>");
  94                 }
  95
  96                 for (Language l: cfg.getLanguages())
  97                         buf.append("<li><a href='" + l.toURL() + "'>" + l.getLabel() + "</a></li>");
  98
  99                 buf.append("</ul>\n");
 100
 101                 buf.append("</nav>\n");
 102         }
 103
 104         public static String toHTML(List<Article> articles, Category catActive, Config cfg) {
 105                 StringBuffer buf;
 106                 int i;
 107                 Category[] cats;
 108
 109                 buf = new StringBuffer();
 110                 buf.append("<!DOCTYPE html>\n");
 111                 buf.append("<html lang='fr'>\n");
 112                 buf.append("<head>\n");
 113                 buf.append("<meta charset=\"UTF-8\">\n");
 114                 buf.append("<link rel='stylesheet' href='/style.css' />\n");
 115                 buf.append("<title>");
 116                 buf.append(catActive.getTitle());
 117                 buf.append(" - PNews</title>\n");
 118                 buf.append("</head>\n");
 119                 buf.append("<body>\n");
 120
 121                 cats = cfg.getCategories();
 122
 123                 appendMenu(buf, catActive, cfg);
 124
 125                 i = 0;
 126                 for (Article e: articles) {
 127                         try {
 128                                 append(buf, e);
 129                         } catch (UnsupportedEncodingException e1) {
 130                                 LOG.log(Level.SEVERE, "Failed to convert article to HTML", e1);
 131                         }
 132                         if (i == 100)
 133                                 break;
 134                         else
 135                                 i++;
 136                 }
 137
 138                 buf.append("</body>\n");
 139                 buf.append("</html>\n");
 140
 141                 return buf.toString();
 142         }
 143 }