1 files changed, 86 insertions, 0 deletions
diff --git a/src/main/java/org/cristalise/kernel/lifecycle/routingHelpers/ViewpointDataHelper.java b/src/main/java/org/cristalise/kernel/lifecycle/routingHelpers/ViewpointDataHelper.java
new file mode 100644
index 0000000..49bebf4
--- /dev/null
+++ b/src/main/java/org/cristalise/kernel/lifecycle/routingHelpers/ViewpointDataHelper.java
@@ -0,0 +1,86 @@
+/**
+ * This file is part of the CRISTAL-iSE kernel.
+ * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * http://www.fsf.org/licensing/licenses/lgpl.html
+ */
+package org.cristalise.kernel.lifecycle.routingHelpers;
+
+import org.cristalise.kernel.common.ObjectNotFoundException;
+import org.cristalise.kernel.entity.proxy.ItemProxy;
+import org.cristalise.kernel.lookup.ItemPath;
+import org.cristalise.kernel.persistency.ClusterStorage;
+import org.cristalise.kernel.persistency.outcome.Outcome;
+import org.cristalise.kernel.persistency.outcome.Viewpoint;
+import org.cristalise.kernel.process.Gateway;
+import org.cristalise.kernel.utils.XmlElementParser;
+
+
+public class ViewpointDataHelper
+{
+    static Object[] errArr = { "" };
+    /**
+     * Method get.
+     * @param value
+     * @return String[]
+     * @throws Exception
+     */
+    /**@param value : /UUID (or . if current) /SchemaName/Viewname/Path:XPathInOutcome */
+    public static Object [] get(String value) throws Exception
+    {
+        //Syntax of search : <EntityPath>/<ViewpointPath>:<XPathinOutcome>
+        String entityPath;
+        String viewpoint;
+        String xpath;
+        Object[] retArr;
+
+        // find syskey, viewname, xpath
+        int firstSlash = value.indexOf("/");
+        if (firstSlash > 0) {
+            entityPath = value.substring(0, firstSlash);
+            int startXPath = value.indexOf(":");
+            if (startXPath==-1) {
+                viewpoint = value.substring(firstSlash + 1);
+                xpath = null;
+            } else {
+                viewpoint = value.substring(firstSlash + 1, startXPath);
+                xpath = value.substring(startXPath+1);
+            }
+        }
+        else return errArr;
+
+        // find entity
+        ItemPath sourcePath = new ItemPath(entityPath);
+
+        try {
+            // load viewpoint
+            ItemProxy dataSource = Gateway.getProxyManager().getProxy(sourcePath);
+            Viewpoint view = (Viewpoint)dataSource.getObject(ClusterStorage.VIEWPOINT + "/" + viewpoint);
+            Outcome outcome = view.getOutcome();
+            if (xpath == null) {
+                retArr = new Object[1];
+                retArr[0] = outcome;
+            }
+            else
+                retArr = XmlElementParser.parse(outcome.getData(), xpath);
+            return retArr;
+
+        } catch (ObjectNotFoundException e) {
+            return errArr;
+        }
+    }
+}