Extend entity JCR types.

[gpl/argeo-suite.git] / org.argeo.entity.api / src / org / argeo / entity / EntityJcrUtils.java

diff --git a/org.argeo.entity.api/src/org/argeo/entity/EntityJcrUtils.java b/org.argeo.entity.api/src/org/argeo/entity/EntityJcrUtils.java
new file mode 100644 (file)
index 0000000..f32c182
--- /dev/null
+++ b/org.argeo.entity.api/src/org/argeo/entity/EntityJcrUtils.java
@@ -0,0 +1,60 @@
+package org.argeo.entity;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+/** JCR utilities around the entity concepts. */
+public class EntityJcrUtils {
+       /**
+        * The name of a node which will be serialized as XML text, as per section 7.3.1
+        * of the JCR 2.0 specifications.
+        */
+       public final static String JCR_XMLTEXT = "jcr:xmltext";
+
+       /**
+        * The name of a property which will be serialized as XML text, as per section
+        * 7.3.1 of the JCR 2.0 specifications.
+        */
+       public final static String JCR_XMLCHARACTERS = "jcr:xmlcharacters";
+
+       /*
+        * XML
+        */
+       /**
+        * Set both as a property and as a subnode which will be exported as an XML
+        * element.
+        */
+
+//     public static void setAttrAndElem(Node node, String name, String value) {
+//             Jcr.set(node, name, value);
+//             setElem(node, name, value);
+//     }
+       /**
+        * Set as a subnode which will be exported as an XML element.
+        */
+       public static String getXmlValue(Node node, String name) {
+               try {
+                       if (!node.hasNode(name))
+                               throw new IllegalArgumentException("No XML text named " + name);
+                       return node.getNode(name).getNode(JCR_XMLTEXT).getProperty(JCR_XMLCHARACTERS).getString();
+               } catch (RepositoryException e) {
+                       throw new IllegalStateException("Cannot get " + name + " as XML text", e);
+               }
+       }
+
+       /**
+        * Set as a subnode which will be exported as an XML element.
+        */
+       public static void setXmlValue(Node node, String name, String value) {
+               try {
+                       if (node.hasNode(name))
+                               node.getNode(name).getNode(JCR_XMLTEXT).setProperty(JCR_XMLCHARACTERS, value);
+                       else
+                               node.addNode(name, EntityType.xmlvalue.qualified()).addNode(JCR_XMLTEXT, EntityType.xmltext.qualified())
+                                               .setProperty(JCR_XMLCHARACTERS, value);
+               } catch (RepositoryException e) {
+                       throw new IllegalStateException("Cannot set " + name + " as XML text", e);
+               }
+       }
+
+}