org.argeo.core/src/org/argeo/fm/TestFreeMarker.java

   1 package org.argeo.fm;
   2
   3 import java.io.File;
   4 import java.io.FileWriter;
   5 import java.io.IOException;
   6 import java.io.Writer;
   7 import java.util.HashMap;
   8 import java.util.Map;
   9
  10 import freemarker.template.Configuration;
  11 import freemarker.template.Template;
  12 import freemarker.template.TemplateExceptionHandler;
  13
  14 public class TestFreeMarker {
  15         static String base = System.getProperty("user.home") + File.separator + "dev" + File.separator + "work"
  16                         + File.separator + "ftl";
  17         static Configuration cfg;
  18         static {
  19                 try {
  20                         cfg = new Configuration(Configuration.VERSION_2_3_28);
  21                         cfg.setDirectoryForTemplateLoading(new File(base));
  22                         cfg.setDefaultEncoding("UTF-8");
  23                         cfg.setTemplateExceptionHandler(TemplateExceptionHandler.HTML_DEBUG_HANDLER);
  24                         cfg.setLogTemplateExceptions(false);
  25                         cfg.setWrapUncheckedExceptions(true);
  26                 } catch (IOException e) {
  27                         // TODO Auto-generated catch block
  28                         e.printStackTrace();
  29                 }
  30         }
  31
  32         public static void main(String[] args) {
  33                 if (args.length == 0) {
  34                         System.err.println("Usage: <template name> (in " + base + ")");
  35                 }
  36                 String template = args[0];
  37                 try {
  38                         /* Create a data-model */
  39                         Map<String, Object> root = new HashMap<>();
  40                         root.put("user", "Big Joe");
  41                         Product latest = new Product();
  42                         latest.setUrl("products/greenmouse.html");
  43                         latest.setName("green mouse");
  44                         root.put("latestProduct", latest);
  45
  46                         root.put("message", "It's a test");
  47
  48                         Map<String, Animal> animals = new HashMap<>();
  49                         animals.put("mouse", new Animal("small", 50));
  50                         animals.put("elephant", new Animal("big", 2000));
  51                         animals.put("dog", new Animal("medium", 150));
  52                         root.put("animals", animals);
  53
  54                         /* Get the template (uses cache internally) */
  55                         Template temp = cfg.getTemplate(template);
  56
  57                         /* Merge data-model with template */
  58                         String target = base + File.separator + template + ".html";
  59                         Writer out = new FileWriter(target);
  60                         temp.process(root, out);
  61                         out.flush();
  62                         System.out.println("Wrote " + target);
  63                 } catch (Exception e) {
  64                         e.printStackTrace();
  65                 }
  66         }
  67
  68 }