root / trunk / NetSparkle / NetSparkleAssemblyReflectionAccessor.cs @ badcef63
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.Reflection; |
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using System.IO; |
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using AppLimit.NetSparkle.Interfaces; |
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|
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namespace AppLimit.NetSparkle |
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{ |
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public class NetSparkleAssemblyReflectionAccessor : INetSparkleAssemblyAccessor |
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{ |
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private Assembly _assembly; |
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private List<Attribute> _assemblyAttributes = new List<Attribute>(); |
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|
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public NetSparkleAssemblyReflectionAccessor(String assemblyName) |
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{ |
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if (assemblyName == null) |
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_assembly = Assembly.GetEntryAssembly(); |
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else |
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{ |
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String absolutePath = Path.GetFullPath(assemblyName); |
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if (!File.Exists(absolutePath)) |
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throw new FileNotFoundException(); |
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|
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_assembly = Assembly.ReflectionOnlyLoadFrom(absolutePath); |
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|
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if (_assembly == null) |
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throw new Exception("Unable to load assembly " + absolutePath); |
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} |
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|
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// read the attributes |
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foreach (CustomAttributeData data in _assembly.GetCustomAttributesData()) |
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_assemblyAttributes.Add(CreateAttribute(data)); |
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|
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if (_assemblyAttributes == null || _assemblyAttributes.Count == 0) |
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throw new Exception("Unable to load assembly attributes from " + _assembly.FullName); |
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} |
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|
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/// <summary> |
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/// This methods creates an attribute instance from the attribute data |
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/// information |
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/// </summary> |
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/// <param name="data"></param> |
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/// <returns></returns> |
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private Attribute CreateAttribute(CustomAttributeData data) |
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{ |
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var arguments = from arg in data.ConstructorArguments |
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select arg.Value; |
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|
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var attribute = data.Constructor.Invoke(arguments.ToArray()) |
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as Attribute; |
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|
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foreach (var namedArgument in data.NamedArguments) |
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{ |
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var propertyInfo = namedArgument.MemberInfo as PropertyInfo; |
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if (propertyInfo != null) |
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{ |
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propertyInfo.SetValue(attribute, namedArgument.TypedValue.Value, null); |
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} |
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else |
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{ |
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var fieldInfo = namedArgument.MemberInfo as FieldInfo; |
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if (fieldInfo != null) |
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{ |
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fieldInfo.SetValue(attribute, namedArgument.TypedValue.Value); |
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} |
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} |
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} |
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|
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return attribute; |
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} |
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|
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private Attribute FindAttribute(Type AttributeType) |
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{ |
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foreach (Attribute attr in _assemblyAttributes) |
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{ |
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if (attr.GetType().Equals(AttributeType)) |
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return attr; |
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} |
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|
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throw new Exception("Attribute of type " + AttributeType.ToString() + " does not exists in the assembly " + _assembly.FullName); |
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} |
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|
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#region Assembly Attribute Accessors |
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|
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public string AssemblyTitle |
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{ |
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get |
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{ |
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AssemblyTitleAttribute a = FindAttribute(typeof(AssemblyTitleAttribute)) as AssemblyTitleAttribute; |
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return a.Title; |
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} |
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} |
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|
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public string AssemblyVersion |
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{ |
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get |
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{ |
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return _assembly.GetName().Version.ToString(); |
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} |
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} |
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|
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public string AssemblyDescription |
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{ |
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get |
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{ |
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AssemblyDescriptionAttribute a = FindAttribute(typeof(AssemblyDescriptionAttribute)) as AssemblyDescriptionAttribute; |
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return a.Description; |
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} |
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} |
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|
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public string AssemblyProduct |
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{ |
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get |
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{ |
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AssemblyProductAttribute a = FindAttribute(typeof(AssemblyProductAttribute)) as AssemblyProductAttribute; |
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return a.Product; |
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} |
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} |
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|
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public string AssemblyCopyright |
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{ |
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get |
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{ |
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AssemblyCopyrightAttribute a = FindAttribute(typeof(AssemblyCopyrightAttribute)) as AssemblyCopyrightAttribute; |
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return a.Copyright; |
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} |
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} |
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|
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public string AssemblyCompany |
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{ |
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get |
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{ |
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AssemblyCompanyAttribute a = FindAttribute(typeof(AssemblyCompanyAttribute)) as AssemblyCompanyAttribute; |
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return a.Company; |
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} |
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} |
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#endregion |
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} |
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} |