Fixing an issue with output parameters that are of type IntPtr

[castle.git] / Tools / ManagedExtensions / ManagementExtensions / ManagedObjectName.cs

// Copyright 2003-2004 DigitalCraftsmen - http://www.digitalcraftsmen.com.br/
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Castle.ManagementExtensions
{
        using System;
        using System.Text;
        using System.Collections;
        using System.Runtime.Serialization;

        /// <summary>
        /// Represents a ManagedObject's Name. 
        /// TODO: Supports query semantic.
        /// </summary>
        [Serializable]
        public class ManagedObjectName : ISerializable
        {
                protected String domain;
                protected String literalProperties = String.Empty;
                protected Hashtable properties;
                protected bool allProperties;

                /// <summary>
                /// Creates a ManagedObjectName using a name pattern like
                /// "domain:key=value,key2=value2"
                /// </summary>
                /// <param name="name">Complete name</param>
                public ManagedObjectName(String name)
                {
                        Setup(name);
                }

                /// <summary>
                /// Creates a ManagedObjectName with specified domain and 
                /// properties.
                /// </summary>
                /// <param name="domain">Domain name</param>
                /// <param name="properties">Property list.</param>
                public ManagedObjectName(String domain, String properties)
                {
                        SetupDomain(domain);
                        SetupProperties(properties);
                }

                /// <summary>
                /// Creates a ManagedObjectName with specified domain and 
                /// properties.
                /// </summary>
                /// <param name="domain">Domain name</param>
                /// <param name="properties">Property list.</param>
                public ManagedObjectName(String domain, Hashtable properties)
                {
                        SetupDomain(domain);
                        SetupProperties(properties);
                }

                /// <summary>
                /// Serialization constructor.
                /// </summary>
                /// <param name="info"></param>
                /// <param name="context"></param>
                public ManagedObjectName(SerializationInfo info, StreamingContext context)
                {
                        String domain = info.GetString("domain");
                        String props  = info.GetString("props");
                        SetupDomain(domain);

                        if (props != String.Empty)
                        {
                                SetupProperties(props);
                        }
                }

                /// <summary>
                /// Parses the full name extracting the domain and properties.
                /// </summary>
                /// <param name="name">Full name.</param>
                protected virtual void Setup(String name)
                {
                        if (name == null)
                        {
                                throw new ArgumentNullException("name");
                        }

                        if (name.IndexOf(':') != -1)
                        {
                                String[] splitted = name.Split(new char[] { ':' });
                                
                                SetupDomain(splitted[0]);
                                SetupProperties(splitted[1]);
                        }
                        else
                        {
                                SetupDomain(name);
                        }
                }

                /// <summary>
                /// Sets up the domain. Can be empty but can't be null.
                /// </summary>
                /// <param name="domain"></param>
                protected virtual void SetupDomain(String domain)
                {
                        if (domain == null)
                        {
                                throw new ArgumentNullException("domain");
                        }

                        this.domain = domain;
                }

                /// <summary>
                /// Parses and validate a properties list string like 
                /// "key=value,key2=value2" and so on.
                /// </summary>
                /// <param name="properties">Property list.</param>
                protected virtual void SetupProperties(String properties)
                {
                        if (properties == null)
                        {
                                throw new ArgumentNullException("properties");
                        }
                        if (properties.Equals("*"))
                        {
                                literalProperties = "*";
                                allProperties = true;
                                return;
                        }

                        String [] props = properties.Split( new char[] { ',' } );

                        Hashtable propsHash = new Hashtable(
                                CaseInsensitiveHashCodeProvider.Default, 
                                CaseInsensitiveComparer.Default);

                        foreach(String chunk in props)
                        {
                                if (chunk.IndexOf('=') == -1)
                                {
                                        throw new InvalidManagedObjectName("Invalid properties.");
                                }

                                String[] keyvalue = chunk.Split( new char[] { '=' } );

                                String key = keyvalue[0];
                                String value = keyvalue[1];

                                propsHash.Add(key, value);
                        }

                        SetupProperties(propsHash);
                }

                /// <summary>
                /// Validates a properties Hashtable.
                /// </summary>
                /// <param name="properties">Property list.</param>
                protected virtual void SetupProperties(Hashtable properties)
                {
                        StringBuilder sb = new StringBuilder();

                        foreach(DictionaryEntry entry in properties)
                        {
                                if (sb.Length != 0)
                                {
                                        sb.Append(",");
                                }

                                String key = null;

                                try
                                {
                                        key = (String) entry.Key;
                                }
                                catch(InvalidCastException)
                                {
                                        throw new InvalidManagedObjectName("Key is not a String.");
                                }

                                String value = null;

                                try
                                {
                                        value = (String) entry.Value;
                                }
                                catch(InvalidCastException)
                                {
                                        throw new InvalidManagedObjectName("Value is not a String.");
                                }

                                sb.AppendFormat("{0}={1}", key, value);
                        }

                        this.literalProperties = sb.ToString();
                        this.properties = new Hashtable(properties);
                }

                public String Domain
                {
                        get
                        {
                                return domain;
                        }
                }

                public String LiteralProperties
                {
                        get
                        {
                                return literalProperties;
                        }
                }

                public String this[ String key ]
                {
                        get
                        {
                                if (key == null)
                                {
                                        throw new ArgumentNullException("key");
                                }

                                return (String) this.properties[key];
                        }
                }

                public override bool Equals(object obj)
                {
                        ManagedObjectName other = obj as ManagedObjectName;

                        if (other != null)
                        {
                                return other.domain.Equals(domain) && 
                                        other.literalProperties.Equals(literalProperties);
                        }

                        return false;
                }
        
                public override int GetHashCode()
                {
                        return domain.GetHashCode() ^ literalProperties.GetHashCode();
                }
        
                public override string ToString()
                {
                        return 
                                String.Format("Domain: {0} Properties: {1}", 
                                        domain, literalProperties);
                }

                #region ISerializable Members

                public void GetObjectData(SerializationInfo info, StreamingContext context)
                {
                        info.AddValue("domain", domain);
                        info.AddValue("props", literalProperties);
                }

                #endregion
        }
}