/// <summary>
/// 获取服务引用
/// </summary>
/// <param name="clazz">类</param>
/// <param name="filterString">过滤字符串</param>
/// <param name="context">组件</param>
/// <param name="allservices">是否所有服务</param>
/// <returns>IServiceReference[]</returns>
public IServiceReference[] GetServiceReferences(string clazz, string filterString, IBundleContext context, bool allservices)
{
Filter filter = string.IsNullOrEmpty(filterString) ? null : new Filter(filterString);
IServiceReference[] services = null;
lock (_serviceRegistry)
{
services = _serviceRegistry.LookupServiceReferences(clazz, filter);
if (services == null)
{
return(null);
}
int removed = 0;
for (int i = services.Length - 1; i >= 0; i--)
{
ServiceReference reference = (ServiceReference)services[i];
string[] classes = reference.GetClasses();
if (allservices || context.IsAssignableTo((ServiceReference)services[i]))
{
if (clazz == null)
{
try
{ /* test for permission to the classes */
//checkGetServicePermission(classes);
}
catch (SecurityException)
{
services[i] = null;
removed++;
}
}
}
else
{
services[i] = null;
removed++;
}
}
if (removed > 0)
{
IServiceReference[] temp = services;
services = new ServiceReference[temp.Length - removed];
for (int i = temp.Length - 1; i >= 0; i--)
{
if (temp[i] == null)
{
removed--;
}
else
{
services[i - removed] = temp[i];
}
}
}
}
return(services.Length == 0 ? null : services);
}
public IServiceReference[] GetServiceReferences(string clazz, string filterString,
IBundleContext context, bool allservices)
{
Filter filter = string.IsNullOrEmpty(filterString) ? null : new Filter(filterString);
IServiceReference[] services = null;
lock (serviceRegistry)
{
services = serviceRegistry.LookupServiceReferences(clazz, filter);
if (services == null)
{
return null;
}
int removed = 0;
for (int i = services.Length - 1; i >= 0; i--)
{
ServiceReference reference = (ServiceReference)services[i];
string[] classes = reference.GetClasses();
if (allservices || context.IsAssignableTo((ServiceReference)services[i]))
{
if (clazz == null)
try
{ /* test for permission to the classes */
//checkGetServicePermission(classes);
}
catch (SecurityException)
{
services[i] = null;
removed++;
}
}
else
{
services[i] = null;
removed++;
}
}
if (removed > 0)
{
IServiceReference[] temp = services;
services = new ServiceReference[temp.Length - removed];
for (int i = temp.Length - 1; i >= 0; i--)
{
if (temp[i] == null)
removed--;
else
services[i - removed] = temp[i];
}
}
}
return services == null || services.Length == 0 ? null : services;
}
