org.argeo.app.servlet.publish/src/org/argeo/app/servlet/publish/FontsServlet.java

   1 package org.argeo.app.servlet.publish;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.util.Collections;
   6 import java.util.HashMap;
   7 import java.util.Map;
   8
   9 import javax.servlet.ServletException;
  10 import javax.servlet.http.HttpServlet;
  11 import javax.servlet.http.HttpServletRequest;
  12 import javax.servlet.http.HttpServletResponse;
  13
  14 import org.apache.commons.io.IOUtils;
  15 import org.argeo.api.cms.ux.CmsTheme;
  16
  17 /** Serves fonts locally. */
  18 public class FontsServlet extends HttpServlet {
  19         private static final long serialVersionUID = 6009572962850708537L;
  20         private Map<String, CmsTheme> themes = Collections.synchronizedMap(new HashMap<>());
  21
  22         @Override
  23         protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
  24                 String font = req.getPathInfo();
  25                 font = font.substring(1, font.length());
  26                 for (CmsTheme theme : themes.values()) {
  27                         for (String fontPath : theme.getFontsPaths()) {
  28                                 if (fontPath.endsWith(font)) {
  29                                         if (font.endsWith(".woff"))
  30                                                 resp.setContentType("font/woff");
  31                                         else if (font.endsWith(".woff2"))
  32                                                 resp.setContentType("font/woff2");
  33                                         try (InputStream in = theme.loadPath(fontPath)) {
  34                                                 IOUtils.copy(in, resp.getOutputStream());
  35                                                 return;
  36                                         }
  37                                 }
  38                         }
  39                 }
  40                 resp.setStatus(404);
  41         }
  42
  43         public void addTheme(CmsTheme theme, Map<String, String> properties) {
  44                 themes.put(theme.getThemeId(), theme);
  45         }
  46
  47         public void removeTheme(CmsTheme theme, Map<String, String> properties) {
  48                 themes.remove(theme.getThemeId());
  49         }
  50
  51 }