One simple revert action, and a tool for encoding pick lists for more complicated actions

in the future.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/WCM-DEV2/root@4348 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/avm/util/VersionPathUnstuffer.java

@@ -0,0 +1,62 @@
+/**
+ * 
+ */
+package org.alfresco.repo.avm.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.alfresco.repo.avm.AVMNodeConverter;
+import org.alfresco.service.cmr.repository.NodeRef;
+import org.alfresco.util.Pair;
+
+/**
+ * Takes a String representation of a list of Version/Paths (created
+ * by VersionPathStuffer) and gives you back a list of Version/Paths
+ * @author britt
+ */
+public class VersionPathUnstuffer 
+{
+    /**
+     * The unpacked version paths.
+     */
+    private List<Pair<Integer, String>> fVersionPaths;
+    
+    /**
+     * Construct one and in the process unstuff the String.
+     */
+    public VersionPathUnstuffer(String stuffed)
+    {
+        fVersionPaths = new ArrayList<Pair<Integer, String>>();
+        String[] versionPaths = stuffed.split(";");
+        for (String path : versionPaths)
+        {
+            String [] pathVersion = path.split("@");
+            Pair<Integer, String> item = 
+                new Pair<Integer, String>(new Integer(pathVersion[1]),
+                                          pathVersion[0]);
+            fVersionPaths.add(item);
+        }
+    }
+    
+    /**
+     * Get the raw list of Version/Paths.
+     */
+    public List<Pair<Integer, String>> getVersionPaths()
+    {
+        return fVersionPaths;
+    }
+    
+    /**
+     * Get the Version/Paths as NodeRefs.
+     */
+    public List<NodeRef> getNodeRefs()
+    {
+        List<NodeRef> result = new ArrayList<NodeRef>();
+        for (Pair<Integer, String> item : fVersionPaths)
+        {
+            result.add(AVMNodeConverter.ToNodeRef(item.getFirst(), item.getSecond()));   
+        }
+        return result;
+    }
+}