/// <summary>
/// Add a configuration value node.
/// </summary>
/// <param name="parent">Parent Configuration node</param>
/// <param name="name">Value node name</param>
/// <param name="value">Value</param>
private void AddValueNode(AbstractConfigNode parent, string name, string value, bool encrypted)
{
ConfigValueNode vn = new ConfigValueNode(parent.Configuration, parent);
vn.Encrypted = encrypted;
vn.Name = name;
vn.SetValue(value);
if (parent.GetType() == typeof(ConfigParametersNode))
{
ConfigParametersNode node = (ConfigParametersNode)parent;
node.Add(vn);
}
else if (parent.GetType() == typeof(ConfigPropertiesNode))
{
ConfigPropertiesNode node = (ConfigPropertiesNode)parent;
node.Add(vn);
}
else if (parent.GetType() == typeof(ConfigListValueNode))
{
ConfigListValueNode node = (ConfigListValueNode)parent;
node.Add(vn);
}
else if (parent.GetType() == typeof(ConfigPathNode))
{
ConfigPathNode node = (ConfigPathNode)parent;
node.AddChildNode(vn);
}
else
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add value node to parent. [parent={0}]", parent.GetType().FullName));
}
}
/// <summary>
/// Create a new Instance of the specified type.
///
/// Type should have an empty constructor or a constructor with annotation.
/// </summary>
/// <param name="type">Type</param>
/// <param name="node">Configuration node.</param>
/// <returns>Created Instance</returns>
public static object CreateInstance(Type type, ConfigPathNode node)
{
object target = null;
ConstructorInfo[] constructors = type.GetConstructors(BindingFlags.Public | BindingFlags.Instance);
if (constructors != null && constructors.Length > 0)
{
foreach (ConstructorInfo ci in constructors)
{
MethodInvoke mi = (MethodInvoke)Attribute.GetCustomAttribute(ci, typeof(MethodInvoke));
if (mi != null)
{
ParameterInfo[] parameters = ci.GetParameters();
ConfigPathNode nnode = node;
if (parameters != null && parameters.Length > 0)
{
if (!String.IsNullOrWhiteSpace(mi.Path))
{
AbstractConfigNode cnode = nnode.Find(mi.Path);
if (cnode != null && cnode.GetType() == typeof(ConfigPathNode))
{
nnode = (ConfigPathNode)cnode;
}
}
if (nnode != null)
{
ConfigParametersNode pnode = nnode.GetParameters();
if (pnode != null)
{
List <object> values = FindParameters(pnode, ci.Name, parameters);
if (values != null && values.Count > 0)
{
target = Activator.CreateInstance(type, values.ToArray());
}
}
}
}
else
{
target = Activator.CreateInstance(type);
}
}
}
}
if (target == null)
{
target = Activator.CreateInstance(type);
}
if (target != null)
{
target = ReadValues((ConfigPathNode)node, target, null);
CallMethodInvokes((ConfigPathNode)node, target);
}
return(target);
}
/// <summary>
/// Process the annotated field and set the values from the configuration parameters.
/// </summary>
/// <typeparam name="T">Target Instance type</typeparam>
/// <param name="node">Configuration Node</param>
/// <param name="target">Target Type instance.</param>
/// <param name="field">Property to update</param>
/// <param name="param">Config param annotation</param>
/// <returns>Updated Target Type instance.</returns>
private static T ProcessField <T>(ConfigPathNode node, T target, FieldInfo field, ConfigParam param, List <string> valuePaths)
{
string pname = param.Name;
if (String.IsNullOrWhiteSpace(pname))
{
pname = field.Name;
}
string value = null;
if (!String.IsNullOrWhiteSpace(param.Path))
{
AbstractConfigNode nnode = node.Find(param.Path);
if (nnode != null && nnode.GetType() == typeof(ConfigPathNode))
{
node = (ConfigPathNode)nnode;
}
else
{
node = null;
}
}
if (node != null)
{
ConfigParametersNode pnode = node.GetParameters();
if (pnode != null)
{
ConfigValueNode vn = pnode.GetValue(pname);
if (vn != null)
{
value = vn.GetValue();
}
if (valuePaths != null)
{
valuePaths.Add(pnode.GetSearchPath());
}
}
}
if (!String.IsNullOrWhiteSpace(value))
{
object v = GetValue <T>(pname, value, param.Function, field.FieldType, target, param.Required);
if (v != null)
{
TypeUtils.CallSetter(field, target, v);
}
}
else if (param.Required)
{
throw AnnotationProcessorException.Throw(target.GetType(), pname);
}
return(target);
}
/// <summary>
/// Check and Invoke annotated methods for this type.
/// </summary>
/// <typeparam name="T">Target Instance type</typeparam>
/// <param name="node">Configuration node.</param>
/// <param name="target">Target Type instance</param>
private static void CallMethodInvokes <T>(ConfigPathNode node, T target)
{
Type type = target.GetType();
MethodInfo[] methods = type.GetMethods(BindingFlags.Public | BindingFlags.Instance);
if (methods != null)
{
foreach (MethodInfo method in methods)
{
MethodInvoke mi = (MethodInvoke)Attribute.GetCustomAttribute(method, typeof(MethodInvoke));
if (mi != null)
{
bool invoked = false;
ParameterInfo[] parameters = method.GetParameters();
ConfigPathNode nnode = node;
if (parameters != null && parameters.Length > 0)
{
if (!String.IsNullOrWhiteSpace(mi.Path))
{
AbstractConfigNode cnode = nnode.Find(mi.Path);
if (cnode != null && cnode.GetType() == typeof(ConfigPathNode))
{
nnode = (ConfigPathNode)cnode;
}
}
if (nnode != null)
{
ConfigParametersNode pnode = nnode.GetParameters();
if (pnode != null)
{
List <object> values = FindParameters(pnode, method.Name, parameters);
if (values != null && values.Count > 0)
{
method.Invoke(target, values.ToArray());
invoked = true;
}
}
}
}
else
{
method.Invoke(target, null);
invoked = true;
}
if (!invoked)
{
throw new AnnotationProcessorException(String.Format("Error Invoking Method : [mehtod={0}][node={1}]",
method.Name, node.GetSearchPath()));
}
}
}
}
}
/// <summary>
/// Find the parameter values for the method.
/// </summary>
/// <param name="pnode">Parameters Node</param>
/// <param name="method">Method Name</param>
/// <param name="parameters">Parameters</param>
/// <returns>List of object values</returns>
private static List <object> FindParameters(ConfigParametersNode pnode, string method, ParameterInfo[] parameters)
{
List <object> values = new List <object>();
foreach (ParameterInfo pi in parameters)
{
ConfigParam param = (ConfigParam)Attribute.GetCustomAttribute(pi, typeof(ConfigParam));
if (param != null)
{
object v = null;
ConfigValueNode cv = pnode.GetValue(param.Name);
if (cv != null)
{
string value = cv.GetValue();
if (!String.IsNullOrWhiteSpace(value))
{
v = ReflectionUtils.ConvertFromString(pi.ParameterType, value);
}
}
if (v != null)
{
values.Add(v);
}
else
{
throw new AnnotationProcessorException(String.Format("Error Invoking Method: Value not found for parameter. [method={0}][parameter={1}]",
method, pi.Name));
}
}
else
{
throw new AnnotationProcessorException(String.Format("Error Invoking Method: Annotation not defined for parameter. [method={0}][parameter={1}]",
method, pi.Name));
}
}
if (values.Count > 0)
{
return(values);
}
return(null);
}
/// <summary>
/// Create a new Instance of the specified type.
///
/// Type should have an empty constructor or a constructor with annotation.
/// </summary>
/// <typeparam name="T">Target Instance type</typeparam>
/// <param name="type">Type</param>
/// <param name="node">Configuration node.</param>
/// <returns>Created Instance</returns>
public static T CreateInstance <T>(Type type, ConfigPathNode node)
{
T target = default(T);
ConstructorInfo[] constructors = type.GetConstructors(BindingFlags.Public | BindingFlags.Instance);
if (constructors != null && constructors.Length > 0)
{
foreach (ConstructorInfo ci in constructors)
{
MethodInvoke mi = (MethodInvoke)Attribute.GetCustomAttribute(ci, typeof(MethodInvoke));
if (mi != null)
{
ParameterInfo[] parameters = ci.GetParameters();
ConfigPathNode nnode = node;
if (parameters != null && parameters.Length > 0)
{
if (!String.IsNullOrWhiteSpace(mi.Path))
{
AbstractConfigNode cnode = nnode.Find(mi.Path);
if (cnode != null && cnode.GetType() == typeof(ConfigPathNode))
{
nnode = (ConfigPathNode)cnode;
}
}
if (nnode != null)
{
ConfigParametersNode pnode = nnode.GetParameters();
if (pnode != null)
{
List <object> values = FindParameters(pnode, ci.Name, parameters);
if (values != null && values.Count > 0)
{
target = (T)Activator.CreateInstance(type, values.ToArray());
break;
}
}
}
}
else
{
target = Activator.CreateInstance <T>();
break;
}
}
}
}
if (ReflectionUtils.IsNull(target))
{
target = Activator.CreateInstance <T>();
}
if (!ReflectionUtils.IsNull(target))
{
target = ReadValues((ConfigPathNode)node, target, null);
CallMethodInvokes((ConfigPathNode)node, target);
}
else
{
throw new AnnotationProcessorException(String.Format("Error creating instance of Type: [path={0}][type={1}]", node.GetSearchPath(), type.FullName));
}
return(target);
}
/// <summary>
/// Recursively replace defined variables with properties in the configuration nodes.
///
/// </summary>
/// <param name="node">Configuration Node.</param>
/// <param name="inProps">Scoped properties map</param>
/// <param name="replace">Replace variables?</param>
private void NodePostLoad(AbstractConfigNode node, Dictionary <string, ConfigValueNode> inProps, bool replace)
{
Dictionary <string, ConfigValueNode> properties = General.Clone <string, ConfigValueNode>(inProps);
if (node.GetType() == typeof(ConfigPathNode))
{
ConfigPathNode pnode = (ConfigPathNode)node;
ConfigPropertiesNode props = pnode.GetProperties();
if (props != null && !props.IsEmpty())
{
Dictionary <string, ConfigValueNode> pd = props.GetValues();
foreach (string key in pd.Keys)
{
if (!properties.ContainsKey(key))
{
properties.Add(key, pd[key]);
}
else
{
properties[key] = pd[key];
}
}
}
if (!pnode.IsEmpty())
{
foreach (string key in pnode.GetChildren().Keys)
{
NodePostLoad(pnode.GetChildren()[key], properties, replace);
}
}
}
else
{
if (node.GetType() == typeof(ConfigParametersNode))
{
ConfigParametersNode pnode = (ConfigParametersNode)node;
if (!pnode.IsEmpty() && replace)
{
foreach (string key in pnode.GetValues().Keys)
{
ConfigValueNode vn = pnode.GetValue(key);
string value = vn.GetValue();
if (!String.IsNullOrWhiteSpace(value))
{
string nv = ReplaceVariable(value, properties);
vn.SetValue(nv);
}
}
}
}
else if (node.GetType() == typeof(ConfigAttributesNode))
{
ConfigAttributesNode pnode = (ConfigAttributesNode)node;
if (!pnode.IsEmpty() && replace)
{
foreach (string key in pnode.GetValues().Keys)
{
ConfigValueNode vn = pnode.GetValue(key);
string value = vn.GetValue();
if (!String.IsNullOrWhiteSpace(value))
{
string nv = ReplaceVariable(value, properties);
vn.SetValue(nv);
}
}
}
}
else if (node.GetType() == typeof(ConfigListValueNode))
{
ConfigListValueNode pnode = (ConfigListValueNode)node;
if (!pnode.IsEmpty() && replace)
{
foreach (ConfigValueNode vn in pnode.GetValues())
{
string value = vn.GetValue();
if (!String.IsNullOrWhiteSpace(value))
{
string nv = ReplaceVariable(value, properties);
vn.SetValue(nv);
}
}
}
}
else if (node.GetType() == typeof(ConfigElementListNode))
{
ConfigElementListNode pnode = (ConfigElementListNode)node;
if (!pnode.IsEmpty())
{
foreach (ConfigElementNode vn in pnode.GetValues())
{
NodePostLoad(vn, properties, replace);
}
}
}
else if (node.GetType() == typeof(ConfigValueNode))
{
if (replace)
{
ConfigValueNode vn = (ConfigValueNode)node;
string value = vn.GetValue();
if (!String.IsNullOrWhiteSpace(value))
{
string nv = ReplaceVariable(value, properties);
vn.SetValue(nv);
}
}
}
}
}
/// <summary>
/// Parse a configuration node.
/// </summary>
/// <param name="name">Config node name</param>
/// <param name="elem">XML Element</param>
/// <param name="nodeStack">Current Node Stack</param>
private void ParseBodyNode(string name, XmlElement elem, Stack <AbstractConfigNode> nodeStack)
{
bool popStack = false;
bool processed = false;
AbstractConfigNode parent = nodeStack.Peek();
if (IsTextNode(elem))
{
bool encrypted = false;
if (elem.HasAttributes)
{
string attr = elem.Attributes[XML_VALUE_ENCRYPTED].Value;
if (!String.IsNullOrWhiteSpace(attr))
{
if (attr.CompareTo("true") == 0)
{
encrypted = true;
}
}
}
AddValueNode(parent, elem.Name, elem.FirstChild.Value, encrypted);
}
else
{
XmlNodeType nt = IsListNode(elem);
if (nt == XmlNodeType.Element)
{
if (parent.GetType() != typeof(ConfigPathNode))
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add List node to parent. [parent={0}]", parent.GetType().FullName));
}
ConfigPathNode pnode = (ConfigPathNode)parent;
ConfigElementListNode nodeList = new ConfigElementListNode(parent.Configuration, parent);
nodeList.Name = name;
pnode.AddChildNode(nodeList);
nodeStack.Push(nodeList);
popStack = true;
}
else if (nt == XmlNodeType.Text)
{
if (parent.GetType() != typeof(ConfigPathNode))
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add List node to parent. [parent={0}]", parent.GetType().FullName));
}
ConfigPathNode pnode = (ConfigPathNode)parent;
ConfigListValueNode nodeList = new ConfigListValueNode(parent.Configuration, parent);
nodeList.Name = name;
pnode.AddChildNode(nodeList);
nodeStack.Push(nodeList);
popStack = true;
}
else
{
if (elem.Name == ConstXmlConfigIncludeNode.XML_CONFIG_INCLUDE)
{
if (parent.GetType() != typeof(ConfigPathNode))
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add List node to parent. [parent={0}]", parent.GetType().FullName));
}
ConfigPathNode pnode = (ConfigPathNode)parent;
AddIncludeNode(pnode, elem);
processed = true;
}
else if (elem.Name == ConstXmlResourceNode.XML_CONFIG_NODE_RESOURCE)
{
if (parent.GetType() != typeof(ConfigPathNode))
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add List node to parent. [parent={0}]", parent.GetType().FullName));
}
ConfigPathNode pnode = (ConfigPathNode)parent;
AddResourceNode(pnode, elem);
processed = true;
}
else if (elem.Name == settings.ParametersNodeName)
{
if (parent.GetType() != typeof(ConfigPathNode))
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add List node to parent. [parent={0}]", parent.GetType().FullName));
}
ConfigPathNode pnode = (ConfigPathNode)parent;
ConfigParametersNode paramNode = new ConfigParametersNode(parent.Configuration, parent);
paramNode.Name = name;
pnode.AddChildNode(paramNode);
nodeStack.Push(paramNode);
popStack = true;
}
else if (elem.Name == settings.PropertiesNodeName)
{
if (parent.GetType() != typeof(ConfigPathNode))
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add List node to parent. [parent={0}]", parent.GetType().FullName));
}
ConfigPathNode pnode = (ConfigPathNode)parent;
ConfigPropertiesNode propNode = new ConfigPropertiesNode(parent.Configuration, parent);
propNode.Name = name;
pnode.AddChildNode(propNode);
nodeStack.Push(propNode);
popStack = true;
}
else
{
ConfigPathNode cnode = new ConfigPathNode(parent.Configuration, parent);
cnode.Name = name;
if (parent.GetType() == typeof(ConfigPathNode))
{
ConfigPathNode pnode = (ConfigPathNode)parent;
pnode.AddChildNode(cnode);
}
else if (parent.GetType() == typeof(ConfigElementListNode))
{
ConfigElementListNode nodeList = (ConfigElementListNode)parent;
nodeList.Add(cnode);
}
else
{
throw new ConfigurationException(String.Format("Invalid Stack State: Cannot add path node to parent. [parent={0}]", parent.GetType().FullName));
}
nodeStack.Push(cnode);
popStack = true;
}
}
if (!processed)
{
if (elem.HasAttributes)
{
AbstractConfigNode pp = nodeStack.Peek();
if (pp.GetType() == typeof(ConfigPathNode))
{
ConfigPathNode cp = (ConfigPathNode)pp;
ConfigAttributesNode attrs = new ConfigAttributesNode(cp.Configuration, cp);
cp.AddChildNode(attrs);
foreach (XmlAttribute attr in elem.Attributes)
{
ConfigValueNode vn = new ConfigValueNode(attrs.Configuration, attrs);
vn.Name = attr.Name;
vn.SetValue(attr.Value);
attrs.Add(vn);
}
}
}
if (elem.HasChildNodes)
{
foreach (XmlNode cnode in elem.ChildNodes)
{
if (cnode.NodeType == XmlNodeType.Element)
{
ParseBodyNode(cnode.Name, (XmlElement)cnode, nodeStack);
}
}
}
}
if (popStack)
{
nodeStack.Pop();
}
}
}
