internal Bundle installBundle(string location, Stream input)
{
Boolean isInputStreamOwner;
Exception installException = null;
if (input == null)
{
if (File.Exists(location))
{
input = new FileStream(location, FileMode.Open);
}
else
{
throw new ArgumentException(String.Format("无法找到路径[{0}]对应的文件！", location));
}
isInputStreamOwner = true;
}
else
{
location = "Stream:";
isInputStreamOwner = false;
}
String newBundleDirectoryName = Path.Combine(bundlesDirectoryPath, getNextBundleId().ToString());
try
{
if (!Directory.Exists(newBundleDirectoryName))
{
Directory.CreateDirectory(newBundleDirectoryName);
}
//解压插件文件到插件目录
extractBundleFile(location, input, newBundleDirectoryName, isInputStreamOwner);
//验证并加载插件
Bundle bundle = new BundleImpl(this, newBundleDirectoryName);
foreach (Bundle installedBundle in bundleList)
{
//如果此插件的相同版本已经安装
if (installedBundle.getSymbolicName().Equals(bundle.getSymbolicName()) &&
installedBundle.getVersion().Equals(bundle.getVersion()))
{
throw new Exception(String.Format("名称为[{0}]，版本为[{1}]的插件已经存在，安装失败！", installedBundle.getSymbolicName(), installedBundle.getVersion()));
}
}
bundleList.Add(bundle);
IncraseNextBundleId();
return(bundle);
}
catch (Exception ex)
{
installException = ex;
throw ex;
}
finally
{
if (installException != null && Directory.Exists(newBundleDirectoryName))
{
Directory.Delete(newBundleDirectoryName, true);
}
}
}
public void init()
{
Assembly selfAssembly = typeof(FrameworkImpl).Assembly;
BundleImpl.AddBootDelegationAssembly(selfAssembly.GetName().Name, selfAssembly);
// 初始化配置参数
if (configuration != null)
{
//设置Bundle缓存位置
if (configuration.ContainsKey(ORG_OSGI_FRAMEWORK_STORAGE))
{
bundlesDirectoryPath = configuration[ORG_OSGI_FRAMEWORK_STORAGE];
}
//设置boot delegation
if (configuration.ContainsKey(ORG_OSGI_FRAMEWORK_BOOTDELEGATION))
{
String[] bootDelegationNames = configuration[ORG_OSGI_FRAMEWORK_BOOTDELEGATION].Split(new Char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
{
String assemblyName = assembly.GetName().Name;
foreach (String bootDelegationName in bootDelegationNames)
{
if (assemblyName.Equals(bootDelegationName))
{
BundleImpl.AddBootDelegationAssembly(assemblyName, assembly);
}
}
}
}
//设置是否使用AppDomain隔离各Bundle
if (configuration.ContainsKey(GOLION_USE_APPDOMAIN))
{
_IsUseAppDomain = Boolean.Parse(configuration[GOLION_USE_APPDOMAIN]);
}
}
// 设置插件目录
if (String.IsNullOrEmpty(bundlesDirectoryPath))
{
bundlesDirectoryPath = System.IO.Path.Combine(Environment.CurrentDirectory, DEFAULT_BUNDLE_DIRECTORY_NAME);
}
//先将自己添加上去
bundleList.Add(this);
IList <String> installedBundleNameVersionList = new List <String>();
if (Directory.Exists(bundlesDirectoryPath))
{
//读取已经安装的Bundle
DirectoryInfo di = new DirectoryInfo(bundlesDirectoryPath);
List <Int64> installedBundleIdList = new List <Int64>();
foreach (DirectoryInfo subDi in di.GetDirectories())
{
Int64 tmpInt64;
if (!Int64.TryParse(subDi.Name, out tmpInt64))
{
continue;
}
installedBundleIdList.Add(tmpInt64);
}
installedBundleIdList.Sort();
foreach (Int64 bundleId in installedBundleIdList)
{
String bundleDirectoryName = Path.Combine(bundlesDirectoryPath, bundleId.ToString());
try
{
Bundle bundle = new BundleImpl(this, bundleDirectoryName);
String bundleNameVersionString = String.Format("{0}({1}))", bundle.getSymbolicName(), bundle.getVersion());
if (installedBundleNameVersionList.Contains(bundleNameVersionString))
{
log.Warn(String.Format("插件[{0})]存在多重安装，只加载第一个！", bundleNameVersionString));
continue;
}
bundleList.Add(bundle);
installedBundleNameVersionList.Add(bundleNameVersionString);
}
catch (Exception ex)
{
log.Error("加载Bundle时出现异常！", ex);
}
}
nextBundleId = bundleList[bundleList.Count - 1].getBundleId() + 1;
}
else
{
Directory.CreateDirectory(bundlesDirectoryPath);
nextBundleId = 1;
}
}