org.argeo.core/src/org/argeo/fm/jcr/JcrModel.java

   1 package org.argeo.fm.jcr;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.Property;
   5 import javax.jcr.RepositoryException;
   6
   7 import freemarker.template.SimpleScalar;
   8 import freemarker.template.TemplateHashModel;
   9 import freemarker.template.TemplateModel;
  10 import freemarker.template.TemplateModelException;
  11 import freemarker.template.TemplateNodeModel;
  12 import freemarker.template.TemplateSequenceModel;
  13
  14 public class JcrModel implements TemplateNodeModel, TemplateHashModel {
  15         private final Node node;
  16
  17         public JcrModel(Node node) {
  18                 this.node = node;
  19         }
  20
  21         @Override
  22         public TemplateSequenceModel getChildNodes() throws TemplateModelException {
  23                 try {
  24                         return new NodeIteratorModel(node.getNodes());
  25                 } catch (RepositoryException e) {
  26                         throw new TemplateModelException("Cannot list children of " + node, e);
  27                 }
  28         }
  29
  30         @Override
  31         public String getNodeName() throws TemplateModelException {
  32                 try {
  33                         return node.getName();
  34                 } catch (RepositoryException e) {
  35                         throw new TemplateModelException("Cannot get name of " + node, e);
  36                 }
  37         }
  38
  39         @Override
  40         public String getNodeNamespace() throws TemplateModelException {
  41                 // TODO find out namespace
  42                 return null;
  43         }
  44
  45         @Override
  46         public String getNodeType() throws TemplateModelException {
  47                 try {
  48                         return node.getPrimaryNodeType().getName();
  49                 } catch (RepositoryException e) {
  50                         throw new TemplateModelException("Cannot get node type of " + node, e);
  51                 }
  52         }
  53
  54         @Override
  55         public TemplateNodeModel getParentNode() throws TemplateModelException {
  56                 try {
  57                         Node parent = node.getParent();
  58                         if (parent == null)
  59                                 return null;
  60                         return new JcrModel(parent);
  61                 } catch (RepositoryException e) {
  62                         throw new TemplateModelException("Cannot get parent of " + node, e);
  63                 }
  64         }
  65
  66         @Override
  67         public TemplateModel get(String key) throws TemplateModelException {
  68                 try {
  69                         Property property = node.getProperty(key);
  70                         if (property == null)
  71                                 return null;
  72                         return new SimpleScalar(property.getString());
  73                 } catch (RepositoryException e) {
  74                         throw new TemplateModelException("Cannot get property " + key + " of " + node, e);
  75                 }
  76         }
  77
  78         @Override
  79         public boolean isEmpty() throws TemplateModelException {
  80                 // JCR default properties always accessible
  81                 return false;
  82         }
  83
  84         // HASH
  85
  86 }