Introduce Argeo Publishing.

[gpl/argeo-suite.git] / publishing / org.argeo.publishing.ui / src / org / argeo / docbook / ui / DbkTextInterpreter.java

diff --git a/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkTextInterpreter.java b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkTextInterpreter.java
new file mode 100644 (file)
index 0000000..f13826b
--- /dev/null
+++ b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/ui/DbkTextInterpreter.java
@@ -0,0 +1,93 @@
+package org.argeo.docbook.ui;
+
+import javax.jcr.Item;
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+
+import org.argeo.cms.CmsException;
+import org.argeo.cms.text.TextInterpreter;
+
+/** Based on HTML with a few Wiki-like shortcuts. */
+public class DbkTextInterpreter implements TextInterpreter {
+
+       @Override
+       public void write(Item item, String content) {
+               try {
+                       if (item instanceof Node) {
+                               Node node = (Node) item;
+                               if (node.isNodeType(DocBookTypes.PARA)) {
+                                       String raw = convertToStorage(node, content);
+                                       validateBeforeStoring(raw);
+                                       Node jcrText;
+                                       if (!node.hasNode(DocBookNames.JCR_XMLTEXT))
+                                               jcrText = node.addNode(DocBookNames.JCR_XMLTEXT, DocBookTypes.XMLTEXT);
+                                       else
+                                               jcrText = node.getNode(DocBookNames.JCR_XMLTEXT);
+                                       jcrText.setProperty(DocBookNames.JCR_XMLCHARACTERS, raw);
+                               } else {
+                                       throw new CmsException("Don't know how to interpret " + node);
+                               }
+                       } else {// property
+                               Property property = (Property) item;
+                               property.setValue(content);
+                       }
+                       // item.getSession().save();
+               } catch (RepositoryException e) {
+                       throw new CmsException("Cannot set content on " + item, e);
+               }
+       }
+
+       @Override
+       public String read(Item item) {
+               try {
+                       String raw = raw(item);
+                       return convertFromStorage(item, raw);
+               } catch (RepositoryException e) {
+                       throw new CmsException("Cannot get " + item + " for edit", e);
+               }
+       }
+
+       @Override
+       public String raw(Item item) {
+               try {
+                       item.getSession().refresh(true);
+                       if (item instanceof Node) {
+                               Node node = (Node) item;
+                               if (node.isNodeType(DocBookTypes.PARA)) {
+                                       Node jcrText = node.getNode(DocBookNames.JCR_XMLTEXT);
+                                       String txt = jcrText.getProperty(DocBookNames.JCR_XMLCHARACTERS).getString();
+                                       // TODO make it more robust
+                                       txt = txt.replace("\n", "").replace("\t", "");
+                                       return txt;
+                               } else {
+                                       throw new CmsException("Don't know how to interpret " + node);
+                               }
+                       } else {// property
+                               Property property = (Property) item;
+                               return property.getString();
+                       }
+               } catch (RepositoryException e) {
+                       throw new CmsException("Cannot get " + item + " content", e);
+               }
+       }
+
+       // EXTENSIBILITY
+       /**
+        * To be overridden, in order to make sure that only valid strings are being
+        * stored.
+        */
+       protected void validateBeforeStoring(String raw) {
+       }
+
+       /** To be overridden, in order to support additional formatting. */
+       protected String convertToStorage(Item item, String content) throws RepositoryException {
+               return content;
+
+       }
+
+       /** To be overridden, in order to support additional formatting. */
+       protected String convertFromStorage(Item item, String content) throws RepositoryException {
+               return content;
+       }
+}