Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.jcr / src / org / argeo / slc / jcr / JcrMetadataWriter.java

diff --git a/org.argeo.slc.jcr/src/org/argeo/slc/jcr/JcrMetadataWriter.java b/org.argeo.slc.jcr/src/org/argeo/slc/jcr/JcrMetadataWriter.java
new file mode 100644 (file)
index 0000000..f50b9f8
--- /dev/null
+++ b/org.argeo.slc.jcr/src/org/argeo/slc/jcr/JcrMetadataWriter.java
@@ -0,0 +1,62 @@
+package org.argeo.slc.jcr;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+import org.argeo.api.cms.CmsLog;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.slc.SlcException;
+import org.argeo.slc.SlcNames;
+
+/**
+ * Writes arbitrary metadata into a child node of a given node (or the node
+ * itself if metadata node name is set to null)
+ */
+public class JcrMetadataWriter implements Runnable {
+       private final static CmsLog log = CmsLog.getLog(JcrMetadataWriter.class);
+
+       private Node baseNode;
+       private String metadataNodeName = SlcNames.SLC_METADATA;
+
+       private Map<String, String> metadata = new HashMap<String, String>();
+
+       public void run() {
+               try {
+                       Node metadataNode;
+                       if (metadataNodeName != null)
+                               metadataNode = baseNode.hasNode(metadataNodeName) ? baseNode.getNode(metadataNodeName)
+                                               : baseNode.addNode(metadataNodeName);
+                       else
+                               metadataNode = baseNode;
+
+                       for (String key : metadata.keySet())
+                               metadataNode.setProperty(key, metadata.get(key));
+
+                       baseNode.getSession().save();
+
+                       if (log.isDebugEnabled())
+                               log.debug("Wrote " + metadata.size() + " metadata entries to " + metadataNode);
+               } catch (RepositoryException e) {
+                       throw new SlcException("Cannot write metadata to " + baseNode, e);
+               } finally {
+                       JcrUtils.discardUnderlyingSessionQuietly(baseNode);
+               }
+
+       }
+
+       public void setBaseNode(Node baseNode) {
+               this.baseNode = baseNode;
+       }
+
+       public void setMetadataNodeName(String metadataNodeName) {
+               this.metadataNodeName = metadataNodeName;
+       }
+
+       public void setMetadata(Map<String, String> metadata) {
+               this.metadata = metadata;
+       }
+
+}