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using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using XenAdmin.XenSearch;
using XenAPI;

namespace XenAdmin.TestResources
{
    public class XenSearchQueryTest
    {
        // Generate a results file for XenAdminTests.SearchTests.ExpectedResults.
        // Run XenCenter, then in the immediate window run:
        //    XenAdmin.TestResources.XenSearchQueryTest.SaveResults(filename);
        // This will save the results of all the searches you have loaded.
        public static void SaveResults(string filename)
        {
            XmlDocument doc = new XmlDocument();
            XmlElement resultsElement = doc.CreateElement("results");
            doc.AppendChild(resultsElement);

            foreach (Search search in Search.Searches)
            {
                XmlElement searchElement = doc.CreateElement("search");
                resultsElement.AppendChild(searchElement);
                XmlAttribute uuidAttr = doc.CreateAttribute("uuid");
                uuidAttr.Value = search.UUID;
                searchElement.Attributes.Append(uuidAttr);

                IAcceptGroups adapter = new XmlResultsAdapter(doc, searchElement);

                search.PopulateAdapters(adapter);
            }

            doc.Save(filename);
        }
    }

    public class XmlResultsAdapter : IAcceptGroups
    {
        private XmlDocument doc;
        private XmlElement parent;

        public XmlResultsAdapter(XmlDocument doc, XmlElement parent)
        {
            this.doc = doc;
            this.parent = parent;
        }

        public IAcceptGroups Add(Grouping grouping, object group, int indent)
        {
            IXenObject o = group as IXenObject;
            if (o != null)
            {
                XmlElement resultElement = doc.CreateElement("IXenObject");
                parent.AppendChild(resultElement);
                XmlAttribute uuidAttr = doc.CreateAttribute("opaqueref");
                uuidAttr.Value = (String)o.opaque_ref;
                resultElement.Attributes.Append(uuidAttr);

                return new XmlResultsAdapter(doc, resultElement);
            }
            else
            {
                XmlElement resultElement = doc.CreateElement("Object");
                parent.AppendChild(resultElement);
                XmlAttribute uuidAttr = doc.CreateAttribute("ToString");
                uuidAttr.Value = group.ToString();
                resultElement.Attributes.Append(uuidAttr);

                return new XmlResultsAdapter(doc, resultElement);
            }
        }

        public void FinishedInThisGroup(bool defaultExpand)
        {
        }
    }
}
