publishing/org.argeo.publishing.ui/src/org/argeo/cms/text/IdentityTextInterpreter.java

   1 package org.argeo.cms.text;
   2
   3 import javax.jcr.Item;
   4 import javax.jcr.Node;
   5 import javax.jcr.Property;
   6 import javax.jcr.RepositoryException;
   7
   8 import org.argeo.cms.CmsException;
   9
  10 /** Based on HTML with a few Wiki-like shortcuts. */
  11 public class IdentityTextInterpreter implements TextInterpreter, CmsNames {
  12
  13         @Override
  14         public void write(Item item, String content) {
  15                 try {
  16                         if (item instanceof Node) {
  17                                 Node node = (Node) item;
  18                                 if (node.isNodeType(CmsTypes.CMS_STYLED)) {
  19                                         String raw = convertToStorage(node, content);
  20                                         validateBeforeStoring(raw);
  21                                         node.setProperty(CMS_CONTENT, raw);
  22                                 } else {
  23                                         throw new CmsException("Don't know how to interpret "
  24                                                         + node);
  25                                 }
  26                         } else {// property
  27                                 Property property = (Property) item;
  28                                 property.setValue(content);
  29                         }
  30                         // item.getSession().save();
  31                 } catch (RepositoryException e) {
  32                         throw new CmsException("Cannot set content on " + item, e);
  33                 }
  34         }
  35
  36         @Override
  37         public String read(Item item) {
  38                 try {
  39                         String raw = raw(item);
  40                         return convertFromStorage(item, raw);
  41                 } catch (RepositoryException e) {
  42                         throw new CmsException("Cannot get " + item + " for edit", e);
  43                 }
  44         }
  45
  46         @Override
  47         public String raw(Item item) {
  48                 try {
  49                         item.getSession().refresh(true);
  50                         if (item instanceof Node) {
  51                                 Node node = (Node) item;
  52                                 if (node.isNodeType(CmsTypes.CMS_STYLED)) {
  53                                         // WORKAROUND FOR BROKEN PARARAPHS
  54                                         if (!node.hasProperty(CMS_CONTENT)) {
  55                                                 node.setProperty(CMS_CONTENT, "");
  56                                                 node.getSession().save();
  57                                         }
  58
  59                                         return node.getProperty(CMS_CONTENT).getString();
  60                                 } else {
  61                                         throw new CmsException("Don't know how to interpret "
  62                                                         + node);
  63                                 }
  64                         } else {// property
  65                                 Property property = (Property) item;
  66                                 return property.getString();
  67                         }
  68                 } catch (RepositoryException e) {
  69                         throw new CmsException("Cannot get " + item + " content", e);
  70                 }
  71         }
  72
  73         // EXTENSIBILITY
  74         /**
  75          * To be overridden, in order to make sure that only valid strings are being
  76          * stored.
  77          */
  78         protected void validateBeforeStoring(String raw) {
  79         }
  80
  81         /** To be overridden, in order to support additional formatting. */
  82         protected String convertToStorage(Item item, String content)
  83                         throws RepositoryException {
  84                 return content;
  85
  86         }
  87
  88         /** To be overridden, in order to support additional formatting. */
  89         protected String convertFromStorage(Item item, String content)
  90                         throws RepositoryException {
  91                 return content;
  92         }
  93 }