Patch rundeck API v11 bug for execution query results

src/main/java/org/rundeck/api/RundeckClient.java

@@ -1587,13 +1587,26 @@ public class RundeckClient implements Serializable {
                                          .param(new ExecutionQueryParameters(query))
                                          .param("max", max)
                                          .param("offset", offset),
-                                     new PagedResultParser<RundeckExecution>(
+                                     patchApiV11Response(
-                                         new ListParser<RundeckExecution>(new ExecutionParser(), "execution"),
+                                             new PagedResultParser<RundeckExecution>(
-                                         rootXpath()+"/executions"
+                                                     new ListParser<RundeckExecution>(new ExecutionParser(), "execution"),
+                                                     rootXpath() + "/executions"
+                                             )
                                      )
         );
     }
 
+    /**
+     * Fix potential buggy response from Rundeck, where &lt;result&gt; wrapper exists
+     * even if it should not.
+     * @param parser
+     * @return
+     */
+    private XmlNodeParser<PagedResults<RundeckExecution>> patchApiV11Response
+            (final PagedResultParser<RundeckExecution> parser) {
+        return new PagedResultParser_BugPatchV11<RundeckExecution>(parser);
+    }
+
     /**
      * Get a single execution, identified by the given ID
      *

src/main/java/org/rundeck/api/parser/PagedResultParser_BugPatchV11.java

@@ -0,0 +1,35 @@
+package org.rundeck.api.parser;
+
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
+import org.dom4j.Node;
+import org.rundeck.api.util.PagedResults;
+
+/**
+ * WRaps a {@link PagedResultParser} to detect whether the result XML incorrectly is wrapped with a
+ * <result> element.
+ *
+ * @author Greg Schueler <greg@simplifyops.com>
+ * @since 2014-11-07
+ */
+public class PagedResultParser_BugPatchV11<T> implements XmlNodeParser<PagedResults<T>> {
+    PagedResultParser<T> parser;
+
+    public PagedResultParser_BugPatchV11(final PagedResultParser<T> parser) {
+        this.parser = parser;
+    }
+
+    @Override public PagedResults<T> parseXmlNode(final Node node) {
+        Node sourceNode = node;
+        final Node tested = sourceNode.selectSingleNode(parser.getXpath());
+        if (null == tested && !parser.getXpath().startsWith("result")) {
+            //prepend /result
+            if (null != sourceNode.selectSingleNode("result" + parser.getXpath())) {
+                sourceNode = sourceNode.selectSingleNode("result" + parser.getXpath());
+                sourceNode.getParent().remove(sourceNode);
+                DocumentHelper.createDocument((Element) sourceNode);
+            }
+        }
+        return parser.parseXmlNode(sourceNode);
+    }
+}