private IList <ConnectorInfo> ProcessAssembly(Assembly assembly)
{
IList <ConnectorInfo> rv = new List <ConnectorInfo>();
Type[] types = null;
try
{
types = assembly.GetTypes();
}
catch (Exception e)
{
TraceUtil.TraceException("Unable to load assembly: " + assembly.FullName + ". Assembly will be ignored.", e);
}
foreach (Type type in types)
{
Object[] attributes = type.GetCustomAttributes(
typeof(ConnectorClassAttribute),
false);
if (attributes.Length > 0)
{
ConnectorClassAttribute attribute =
(ConnectorClassAttribute)attributes[0];
LocalConnectorInfoImpl info =
CreateConnectorInfo(assembly, type, attribute);
rv.Add(info);
}
}
return(rv);
}
/// <summary>
/// Get a object pool for this connector if it supports connector pooling.
/// </summary>
public static ObjectPool <PoolableConnector> GetPool(APIConfigurationImpl impl,
LocalConnectorInfoImpl localInfo)
{
ObjectPool <PoolableConnector> pool = null;
// determine if this connector wants generic connector pooling..
if (impl.IsConnectorPoolingSupported)
{
ConnectorPoolKey key =
new ConnectorPoolKey(
impl.ConnectorInfo.ConnectorKey,
(ConfigurationPropertiesImpl)impl.ConfigurationProperties,
impl.ConnectorPoolConfiguration);
lock (_pools)
{
// get the pool associated..
pool = CollectionUtil.GetValue(_pools, key, null);
// create a new pool if it doesn't exist..
if (pool == null)
{
Trace.TraceInformation("Creating new pool: " +
impl.ConnectorInfo.ConnectorKey);
// this instance is strictly used for the pool..
pool = new ObjectPool <PoolableConnector>(
new ConnectorPoolHandler(impl, localInfo),
impl.ConnectorPoolConfiguration);
// add back to the map of _pools..
_pools[key] = pool;
}
}
}
return(pool);
}
private LocalConnectorInfoImpl CreateConnectorInfo(Assembly assembly,
Type rawConnectorClass,
ConnectorClassAttribute attribute)
{
String fileName = assembly.Location;
if (!typeof(Connector).IsAssignableFrom(rawConnectorClass))
{
String MSG = ("File " + fileName +
" declares a connector " + rawConnectorClass +
" that does not implement Connector.");
throw new ConfigurationException(MSG);
}
SafeType <Connector> connectorClass =
SafeType <Connector> .ForRawType(rawConnectorClass);
SafeType <Configuration> connectorConfigurationClass = attribute.ConnectorConfigurationType;
if (connectorConfigurationClass == null)
{
String MSG = ("File " + fileName +
" contains a ConnectorInfo attribute " +
"with no connector configuration class.");
throw new ConfigurationException(MSG);
}
String connectorDisplayNameKey =
attribute.ConnectorDisplayNameKey;
if (connectorDisplayNameKey == null)
{
String MSG = ("File " + fileName +
" contains a ConnectorInfo attribute " +
"with no connector display name.");
throw new ConfigurationException(MSG);
}
ConnectorKey key =
new ConnectorKey(assembly.GetName().Name,
assembly.GetName().Version.ToString(),
connectorClass.RawType.Namespace + "." + connectorClass.RawType.Name);
LocalConnectorInfoImpl rv = new LocalConnectorInfoImpl();
rv.ConnectorClass = connectorClass;
rv.ConnectorConfigurationClass = connectorConfigurationClass;
rv.ConnectorDisplayNameKey = connectorDisplayNameKey;
rv.ConnectorKey = key;
rv.DefaultAPIConfiguration = CreateDefaultAPIConfiguration(rv);
rv.Messages = LoadMessages(assembly, rv, attribute.MessageCatalogPaths);
return(rv);
}
CreateDefaultAPIConfiguration(LocalConnectorInfoImpl localInfo)
{
SafeType <Connector> connectorClass =
localInfo.ConnectorClass;
APIConfigurationImpl rv = new APIConfigurationImpl();
Configuration config =
localInfo.ConnectorConfigurationClass.CreateInstance();
bool pooling = IsPoolingSupported(connectorClass);
rv.IsConnectorPoolingSupported = pooling;
rv.ConfigurationProperties = (CSharpClassProperties.CreateConfigurationProperties(config));
rv.ConnectorInfo = (localInfo);
rv.SupportedOperations = (FrameworkUtil.GetDefaultSupportedOperations(connectorClass));
return(rv);
}
private ConnectorMessagesImpl LoadMessages(Assembly assembly,
LocalConnectorInfoImpl info,
String[] nameBases)
{
if (nameBases == null || nameBases.Length == 0)
{
String pkage =
info.ConnectorClass.RawType.Namespace;
nameBases = new String[] { pkage + ".Messages" };
}
ConnectorMessagesImpl rv = new ConnectorMessagesImpl();
CultureInfo[] cultures = GetLocalizedCultures(assembly);
for (int i = nameBases.Length - 1; i >= 0; i--)
{
String nameBase = nameBases[i];
ResourceManager manager = new ResourceManager(nameBase, assembly);
foreach (CultureInfo culture in cultures)
{
ResourceSet resourceSet = manager.GetResourceSet(culture, true, false);
if (resourceSet != null)
{
IDictionary <string, string> temp =
CollectionUtil.GetValue(rv.Catalogs, culture, null);
if (temp == null)
{
temp = new Dictionary <string, string>();
rv.Catalogs[culture] = temp;
}
foreach (System.Collections.DictionaryEntry entry in resourceSet)
{
String key = "" + entry.Key;
String val = "" + entry.Value;
temp[key] = val;
}
}
}
}
return(rv);
}
public ConnectorPoolHandler(APIConfigurationImpl apiConfiguration,
LocalConnectorInfoImpl localInfo)
{
_apiConfiguration = apiConfiguration;
_localInfo = localInfo;
}
/// <summary>
/// Builds up the maps of supported operations and calls.
/// </summary>
public LocalConnectorFacadeImpl(LocalConnectorInfoImpl connectorInfo,
APIConfigurationImpl apiConfiguration)
: base(apiConfiguration)
{
this.connectorInfo = connectorInfo;
}