/Source/GetFIMResource.cs

using System;

using System.Linq;

using System.Management.Automation;

using System.Collections.Generic;

using System.Globalization;

using Microsoft.ResourceManagement.Client;

using Microsoft.ResourceManagement.ObjectModel;



namespace Quest.FIMPowerShellSnapin

{

    [Cmdlet(VerbsCommon.Get, Constants.Nouns.FIMResource)]

    public class GetFIMResource : PSCmdlet

    {

        private FIMPSSession _session;

        private String _objectID;

        private String _filter;

        private int _resultSetSize;

        private String[] _attributes;

        private String _locale;



        public GetFIMResource()

        {

            _resultSetSize = Constants.DefaultResultSetSize;

        }



        [Parameter(Mandatory = true, ParameterSetName = "ObjectID", Position = 0, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true)]

        [ValidateNotNullOrEmpty]

        public String ObjectID

        {

            get { return _objectID; }

            set { _objectID = value; }

        }



        [Parameter(ParameterSetName = "Filter")]

        [ValidateNotNullOrEmpty]

        public String Filter

        {

            get { return _filter; }

            set { _filter = value; }

        }



        [Parameter(ParameterSetName = "Filter")]

        [ValidateRange(0, int.MaxValue)]

        public int ResultSetSize

        {

            get { return _resultSetSize; }

            set { _resultSetSize = value; }

        }



        [Parameter]

        [ValidateNotNullOrEmpty]

        public String[] Attributes

        {

            get { return _attributes; }

            set { _attributes = value; }

        }



        [Parameter]

        [ValidateNotNullOrEmpty]

        public String Locale

        {

            get { return _locale; }

            set { _locale = value; }

        }



        [Parameter(Mandatory = true, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true)]

        [ValidateNotNullOrEmpty]

        public FIMPSSession Session

        {

            get { return _session; }

            set { _session = value; }

        }



        protected override void ProcessRecord()

        {

            if (_attributes == null || _attributes.Count() == 0)

            {

                _attributes = GetDefaultAttributes();

            }

            else

            {

                if (_attributes.Count() == 1 && _attributes[0].ToUpperInvariant() == Constants.AttributeSpecialValueAll)

                {

                    _attributes = null;

                }

                else

                {

                    _attributes = _attributes.Union(GetDefaultAttributes()).ToArray();

                }

            }



            switch (ParameterSetName)

            {

                case "ObjectID":

                    RmReference id = new RmReference(ObjectID); 

                    CultureInfo cultureInfo = (_locale != null) ? new CultureInfo(_locale, false) : null;

                    

                    RmResource specificResource = _session.Client.Get(id, cultureInfo, _attributes);

                    WriteObject(new FIMPSResource(specificResource, _session));

                    break;



                case "Filter":

                    foreach(RmResource resource in _session.Client.Enumerate(_filter, _attributes))

                    {

                        WriteObject(new FIMPSResource(resource, _session));

                    }

                    break;



                default:

                    throw new Exception(Constants.Messages.InternalError_UnknownParameterSet);

            }

        }



        private string[] GetDefaultAttributes()

        {

            List<string> attributeNames = _session.Client.Schema.AllAttributesNames("Resource");

            string[] namesToReturn = new string[attributeNames.Count];



            int i = 0;

            foreach(string attributeName in attributeNames)

            {

                namesToReturn[i++] = attributeName;

            }

            return namesToReturn;

        }

    }

}