org.argeo.api.acr/src/org/argeo/api/acr/spi/ProvidedContent.java

   1 package org.argeo.api.acr.spi;
   2
   3 import org.argeo.api.acr.Content;
   4
   5 /** A {@link Content} implementation. */
   6 public interface ProvidedContent extends Content {
   7         final static String ROOT_PATH = "/";
   8
   9         ProvidedSession getSession();
  10
  11         ContentProvider getProvider();
  12
  13         int getDepth();
  14
  15         /**
  16          * An opaque ID which is guaranteed to uniquely identify this content within the
  17          * session return by {@link #getSession()}. Typically used for UI.
  18          */
  19         String getSessionLocalId();
  20
  21         default ProvidedContent getMountPoint(String relativePath) {
  22                 throw new UnsupportedOperationException("This content doe not support mount");
  23         }
  24
  25         default ProvidedContent getContent(String path) {
  26                 Content fileNode;
  27                 if (path.startsWith(ROOT_PATH)) {// absolute
  28                         fileNode = getSession().get(path);
  29                 } else {// relative
  30                         String absolutePath = getPath() + '/' + path;
  31                         fileNode = getSession().get(absolutePath);
  32                 }
  33                 return (ProvidedContent) fileNode;
  34         }
  35 }