First unfinished drafts for items editors

[gpl/argeo-slc.git] / runtime / org.argeo.slc.akb / src / main / java / org / argeo / slc / akb / utils / AkbJcrUtils.java

diff --git a/runtime/org.argeo.slc.akb/src/main/java/org/argeo/slc/akb/utils/AkbJcrUtils.java b/runtime/org.argeo.slc.akb/src/main/java/org/argeo/slc/akb/utils/AkbJcrUtils.java
index b0c8353d810f9df4504652a18edc750577b4bb24..844c3a1cd857c2e963151c78a052bd91cf8b7ff8 100644 (file)
--- a/runtime/org.argeo.slc.akb/src/main/java/org/argeo/slc/akb/utils/AkbJcrUtils.java
+++ b/runtime/org.argeo.slc.akb/src/main/java/org/argeo/slc/akb/utils/AkbJcrUtils.java
@@ -6,22 +6,117 @@ import java.util.Map;
 import java.util.TreeMap;
 
 import javax.jcr.Node;
+import javax.jcr.NodeIterator;
 import javax.jcr.Property;
 import javax.jcr.PropertyIterator;
 import javax.jcr.Repository;
 import javax.jcr.RepositoryException;
 import javax.jcr.Session;
 import javax.jcr.Value;
+import javax.jcr.query.QueryManager;
+import javax.jcr.query.QueryResult;
 import javax.jcr.query.Row;
 import javax.jcr.query.RowIterator;
+import javax.jcr.query.qom.Constraint;
+import javax.jcr.query.qom.Ordering;
+import javax.jcr.query.qom.QueryObjectModel;
+import javax.jcr.query.qom.QueryObjectModelFactory;
+import javax.jcr.query.qom.Selector;
 
 import org.argeo.jcr.JcrUtils;
 import org.argeo.jcr.PropertyDiff;
 import org.argeo.slc.akb.AkbException;
+import org.argeo.slc.akb.AkbTypes;
 
 /** Some static utils methods that might be factorized in a near future */
 public class AkbJcrUtils {
 
+       // /////////////////////////
+       // SPECIFIC METHOS
+       /**
+        * Return the type of alias that must be used given current item type
+        */
+       public static String getAliasTypeForNode(Node itemTemplate) {
+               try {
+                       if (itemTemplate.isNodeType(AkbTypes.AKB_JDBC_QUERY))
+                               return AkbTypes.AKB_JDBC_CONNECTOR;
+                       else if (itemTemplate.isNodeType(AkbTypes.AKB_SSH_COMMAND)
+                                       || itemTemplate.isNodeType(AkbTypes.AKB_SSH_FILE))
+                               return AkbTypes.AKB_SSH_CONNECTOR;
+                       else
+                               throw new AkbException("No connector type define for node "
+                                               + itemTemplate);
+               } catch (RepositoryException re) {
+                       throw new AkbException("Unable to login", re);
+               }
+       }
+
+       /**
+        * Return defined alias in the current environment given current item type
+        */
+       public static List<Node> getDefinedAliasForNode(Node itemTemplate) {
+               try {
+                       Session session = itemTemplate.getSession();
+                       QueryManager queryManager = session.getWorkspace()
+                                       .getQueryManager();
+                       QueryObjectModelFactory factory = queryManager.getQOMFactory();
+                       String nodeType = getAliasTypeForNode(itemTemplate);
+
+                       Selector source = factory.selector(nodeType, nodeType);
+                       String basePath = getCurrentEnvBasePath(itemTemplate);
+                       Constraint defaultC = factory.descendantNode(
+                                       source.getSelectorName(), basePath);
+
+                       // Order by default by JCR TITLE
+                       // TODO check if node definition has MIX_TITLE mixin
+                       // TODO Apparently case insensitive ordering is not implemented in
+                       // current used JCR implementation
+                       Ordering order = factory
+                                       .ascending(factory.upperCase(factory.propertyValue(
+                                                       source.getSelectorName(), Property.JCR_TITLE)));
+                       QueryObjectModel query;
+                       query = factory.createQuery(source, defaultC,
+                                       new Ordering[] { order }, null);
+                       QueryResult result = query.execute();
+
+                       NodeIterator ni = result.getNodes();
+
+                       return JcrUtils.nodeIteratorToList(ni);
+               } catch (RepositoryException e) {
+                       throw new AkbException("Unable to list connector", e);
+               }
+       }
+
+       /**
+        * Return the current env base path
+        */
+       public static String getCurrentEnvBasePath(Node akbNode) {
+               try {
+                       if (akbNode.getDepth() == 0)
+                               // no base path for root node
+                               return null;
+
+                       Node parNode = akbNode.getParent();
+
+                       while (parNode != null)
+                               if (akbNode.isNodeType(AkbTypes.AKB_ENV)
+                                               || akbNode.isNodeType(AkbTypes.AKB_ENV_TEMPLATE))
+                                       return akbNode.getPath();
+                               else if (parNode.getDepth() == 0)
+                                       // we found not fitting node
+                                       return null;
+                               else {
+                                       akbNode = parNode;
+                                       parNode = parNode.getParent();
+                               }
+                       return null;
+               } catch (RepositoryException re) {
+                       throw new AkbException("Unable to login", re);
+               }
+       }
+
+       // //////////////////////////////////
+       // METHODS THAT CAN BE FACTORIZED
        /**
         * Call {@link Repository#login()} without exceptions (useful in super
         * constructors and dependency injection).