Improve ACR

[lgpl/argeo-commons.git] / jcr / org.argeo.cms.jcr / src / org / argeo / cms / jcr / acr / JcrSessionNamespaceContext.java

diff --git a/jcr/org.argeo.cms.jcr/src/org/argeo/cms/jcr/acr/JcrSessionNamespaceContext.java b/jcr/org.argeo.cms.jcr/src/org/argeo/cms/jcr/acr/JcrSessionNamespaceContext.java
new file mode 100644 (file)
index 0000000..a55f4a3
--- /dev/null
+++ b/jcr/org.argeo.cms.jcr/src/org/argeo/cms/jcr/acr/JcrSessionNamespaceContext.java
@@ -0,0 +1,46 @@
+package org.argeo.cms.jcr.acr;
+
+import java.util.Arrays;
+import java.util.Iterator;
+
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.xml.namespace.NamespaceContext;
+
+import org.argeo.jcr.JcrException;
+
+/** A {@link NamespaceContext} based on a JCR {@link Session}. */
+public class JcrSessionNamespaceContext implements NamespaceContext {
+       private final Session session;
+
+       public JcrSessionNamespaceContext(Session session) {
+               this.session = session;
+       }
+
+       @Override
+       public String getNamespaceURI(String prefix) {
+               try {
+                       return session.getNamespaceURI(prefix);
+               } catch (RepositoryException e) {
+                       throw new JcrException(e);
+               }
+       }
+
+       @Override
+       public String getPrefix(String namespaceURI) {
+               try {
+                       return session.getNamespacePrefix(namespaceURI);
+               } catch (RepositoryException e) {
+                       throw new JcrException(e);
+               }
+       }
+
+       @Override
+       public Iterator<String> getPrefixes(String namespaceURI) {
+               try {
+                       return Arrays.asList(session.getNamespacePrefix(namespaceURI)).iterator();
+               } catch (RepositoryException e) {
+                       throw new JcrException(e);
+               }
+       }
+}