org.argeo.cms/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 import org.argeo.cms.CmsNames;
  10 import org.argeo.cms.CmsTypes;
  11
  12 /** Based on HTML with a few Wiki-like shortcuts. */
  13 public class IdentityTextInterpreter implements TextInterpreter, CmsNames {
  14
  15         @Override
  16         public void write(Item item, String content) {
  17                 try {
  18                         if (item instanceof Node) {
  19                                 Node node = (Node) item;
  20                                 if (node.isNodeType(CmsTypes.CMS_STYLED)) {
  21                                         String raw = convertToStorage(node, content);
  22                                         validateBeforeStoring(raw);
  23                                         node.setProperty(CMS_CONTENT, raw);
  24                                 } else {
  25                                         throw new CmsException("Don't know how to interpret "
  26                                                         + node);
  27                                 }
  28                         } else {// property
  29                                 Property property = (Property) item;
  30                                 property.setValue(content);
  31                         }
  32                         // item.getSession().save();
  33                 } catch (RepositoryException e) {
  34                         throw new CmsException("Cannot set content on " + item, e);
  35                 }
  36         }
  37
  38         @Override
  39         public String read(Item item) {
  40                 try {
  41                         String raw = raw(item);
  42                         return convertFromStorage(item, raw);
  43                 } catch (RepositoryException e) {
  44                         throw new CmsException("Cannot get " + item + " for edit", e);
  45                 }
  46         }
  47
  48         @Override
  49         public String raw(Item item) {
  50                 try {
  51                         if (item instanceof Node) {
  52                                 Node node = (Node) item;
  53                                 if (node.isNodeType(CmsTypes.CMS_STYLED)) {
  54                                         // WORKAROUND FOR BROKEN PARARAPHS
  55                                         if (!node.hasProperty(CMS_CONTENT)) {
  56                                                 node.setProperty(CMS_CONTENT, "");
  57                                                 node.getSession().save();
  58                                         }
  59
  60                                         return node.getProperty(CMS_CONTENT).getString();
  61                                 } else {
  62                                         throw new CmsException("Don't know how to interpret "
  63                                                         + node);
  64                                 }
  65                         } else {// property
  66                                 Property property = (Property) item;
  67                                 return property.getString();
  68                         }
  69                 } catch (RepositoryException e) {
  70                         throw new CmsException("Cannot get " + item + " content", e);
  71                 }
  72         }
  73
  74         // EXTENSIBILITY
  75         /**
  76          * To be overridden, in order to make sure that only valid strings are being
  77          * stored.
  78          */
  79         protected void validateBeforeStoring(String raw) {
  80         }
  81
  82         /** To be overridden, in order to support additional formatting. */
  83         protected String convertToStorage(Item item, String content)
  84                         throws RepositoryException {
  85                 return content;
  86
  87         }
  88
  89         /** To be overridden, in order to support additional formatting. */
  90         protected String convertFromStorage(Item item, String content)
  91                         throws RepositoryException {
  92                 return content;
  93         }
  94 }