org.argeo.api/src/org/argeo/api/gcr/Content.java

   1 package org.argeo.api.gcr;
   2
   3 import java.util.Map;
   4
   5 public interface Content extends Iterable<Content>, Map<String, Object> {
   6
   7         String getName();
   8
   9 //      Iterable<String> keys();
  10
  11         <A> A get(String key, Class<A> clss);
  12
  13         ContentSession getSession();
  14
  15         /*
  16          * DEFAULT METHODS
  17          */
  18         default <A> A adapt(Class<A> clss) {
  19                 return null;
  20         }
  21
  22         /*
  23          * CONVENIENCE METHODS
  24          */
  25         default String attr(String key) {
  26                 return get(key, String.class);
  27         }
  28
  29         default String attr(Enum<?> key) {
  30                 return attr(key.name());
  31         }
  32
  33         default <A> A get(Enum<?> key, Class<A> clss) {
  34                 return get(key.name(), clss);
  35         }
  36
  37         /*
  38          * EXPERIMENTAL UNSUPPORTED
  39          */
  40         default boolean hasText() {
  41                 return false;
  42         }
  43
  44         default String getText() {
  45                 throw new UnsupportedOperationException();
  46         }
  47
  48 }