/// <summary>
/// Initializes a new instance of the AutoUpdateManifest class.
/// </summary>
public AutoUpdateManifest()
{
_id = Guid.NewGuid().ToString();
_product = new AutoUpdateProductDescriptor();
_moreInfo = new AutoUpdateHref();
_changeSummaries = new AutoUpdateChangeSummaryList();
}
/// <summary>
/// Initializes a new instance of the AutoUpdateManifest class.
/// </summary>
public AutoUpdateManifest()
{
_id = Guid.NewGuid().ToString();
_product = new AutoUpdateProductDescriptor();
_moreInfo = new AutoUpdateHref();
_changeSummaries = new AutoUpdateChangeSummaryList();
}
/// <summary>
/// Initializes a new instance of the AutoUpdateManifest class.
/// </summary>
/// <param name="id">A unique identifier to assign to the manifest.</param>
/// <param name="product">A descriptor that describes the product the update is for.</param>
/// <param name="moreInfo">A link for displaying more information about the update.</param>
/// <param name="changeSummaries">A collection of change summaries that can be found in the update.</param>
/// <param name="urlOfUpdate">The url of the update.</param>
/// <param name="sizeOfUpdate">The size of the update.</param>
public AutoUpdateManifest(string id, AutoUpdateProductDescriptor product, AutoUpdateHref moreInfo, AutoUpdateChangeSummaryList changeSummaries, string urlOfUpdate, long sizeOfUpdate)
{
_id = id;
_product = product;
_moreInfo = moreInfo;
_changeSummaries = changeSummaries;
_urlOfUpdate = urlOfUpdate;
_sizeOfUpdate = sizeOfUpdate;
}
/// <summary>
/// Initializes a new instance of the AutoUpdateManifest class.
/// </summary>
/// <param name="id">A unique identifier to assign to the manifest.</param>
/// <param name="product">A descriptor that describes the product the update is for.</param>
/// <param name="moreInfo">A link for displaying more information about the update.</param>
/// <param name="changeSummaries">A collection of change summaries that can be found in the update.</param>
/// <param name="urlOfUpdate">The url of the update.</param>
/// <param name="sizeOfUpdate">The size of the update.</param>
public AutoUpdateManifest(string id, AutoUpdateProductDescriptor product, AutoUpdateHref moreInfo, AutoUpdateChangeSummaryList changeSummaries, string urlOfUpdate, long sizeOfUpdate)
{
_id = id;
_product = product;
_moreInfo = moreInfo;
_changeSummaries = changeSummaries;
_urlOfUpdate = urlOfUpdate;
_sizeOfUpdate = sizeOfUpdate;
}
/// <summary>
/// Instructs the AutoUpdateDownloader to query for the latest version available
/// </summary>
/// <param name="progressViewer">The progress viewer by which progress should be displayed</param>
/// <param name="options">The options that affect this downloader</param>
/// <param name="productToUpdate">The product descriptor for the product that should be updated</param>
/// <param name="updateAvailable">The download descriptor that describes the download that could potentially occur</param>
/// <returns></returns>
public virtual bool QueryLatestVersion(
IProgressViewer progressViewer,
AutoUpdateOptions options,
AutoUpdateProductDescriptor productToUpdate,
out AutoUpdateDownloadDescriptor updateAvailable)
{
updateAvailable = null;
return(false);
}
/// <summary>
/// Instructs the AutoUpdateDownloader to query for the latest version available
/// </summary>
/// <param name="progressViewer">The progress viewer by which progress should be displayed</param>
/// <param name="options">The options that affect this downloader</param>
/// <param name="productToUpdate">The product descriptor for the product that should be updated</param>
/// <param name="updateAvailable">The download descriptor that describes the download that could potentially occur</param>
/// <returns></returns>
public override bool QueryLatestVersion(IProgressViewer progressViewer, AutoUpdateOptions options, AutoUpdateProductDescriptor productToUpdate, out AutoUpdateDownloadDescriptor updateAvailable)
{
updateAvailable = null;
try
{
// create a manual web service proxy based on the url specified in the options
Debug.WriteLine(string.Format("Creating a web service proxy to the following url.\n\tThe web service url is '{0}'.", options.WebServiceUrl), MY_TRACE_CATEGORY);
AutoUpdateWebServiceProxy service = new AutoUpdateWebServiceProxy(options.WebServiceUrl);
// use the web service to query for updates
Debug.WriteLine(string.Format("Querying the web service for the latest version of '{0}'.\n\tThe current product's version is '{1}'.\n\tThe current product's id is '{2}'.\n\tThe web service url is '{3}'.", productToUpdate.Name, productToUpdate.Version.ToString(), productToUpdate.Id, options.WebServiceUrl), MY_TRACE_CATEGORY);
XmlNode node = service.QueryLatestVersion(productToUpdate.Name, productToUpdate.Version.ToString(), productToUpdate.Id);
// if the service returned no results, then there is no update availabe
if (node == null)
{
// bail out
Debug.WriteLine(string.Format("No updates are available from the web service at '{0}' for this product.", options.WebServiceUrl), MY_TRACE_CATEGORY);
return false;
}
// otherwise create a reader and try and read the xml from the xml node returned from the web service
XmlAutoUpdateManifestReader reader = new XmlAutoUpdateManifestReader(node);
// using the reader we can recreate the manifeset from the xml
AutoUpdateManifest manifest = reader.Read();
/*
* now create a download descriptor that says, yes we have found an update.
* we are capable of downloading it, according to these options.
* the autoupdate manager will decide which downloader to use to download the update
* */
updateAvailable = new AutoUpdateDownloadDescriptor(manifest, this, options);
// just to let everyone know that there is a version available
Debug.WriteLine(string.Format("Version '{0}' of '{1}' is available for download.\n\tThe download url is '{2}'.\n\tThe size of the download is {3}.", updateAvailable.Manifest.Product.Version.ToString(), updateAvailable.Manifest.Product.Name, updateAvailable.Manifest.UrlOfUpdate, this.FormatFileLengthForDisplay(updateAvailable.Manifest.SizeOfUpdate)), MY_TRACE_CATEGORY);
// we've successfully queried for the latest version of the product to update
return true;
}
catch(ThreadAbortException)
{
}
catch (WebException ex)
{
Debug.WriteLine(ex.Message, MY_TRACE_CATEGORY);
}
return false;
}
/// <summary>
/// Creates a descriptor that describes the product from it's assembly and version.
/// </summary>
/// <param name="assembly"></param>
/// <param name="version"></param>
/// <returns></returns>
public static AutoUpdateProductDescriptor FromAssembly(Assembly assembly, Version version)
{
// create a product descriptor
AutoUpdateProductDescriptor productDescriptor = new AutoUpdateProductDescriptor();
// grab its assembly name
AssemblyName assemblyName = assembly.GetName();
// set the name of the product
productDescriptor.Name = assemblyName.Name.Replace(".exe", null);
// the version will be the starting folder name parsed to a version
// this is based on the bootstrap's ability to look at folders and determine the appropriate
// version. we view the versions of the product as a collection of assemblies as a whole, not
// just individual assemblies. we do this to keep compiliation references together, we compile
// for releases of versions, and therefore when one changes, we view that single changes as applying to a
// particular update, which taken in context represents a version of the product.
productDescriptor.Version = version;
// snag the product id attribute from the assembly
ProductIdentifierAttribute pia = ProductIdentifierAttribute.FromAssembly(assembly);
if (pia != null)
{
productDescriptor.Id = pia.Id;
}
// snag the product requires registration attribute from the assembly
ProductRequiresRegistrationAttribute rra = ProductRequiresRegistrationAttribute.FromAssembly(assembly);
if (rra != null)
{
productDescriptor.RequiresRegistration = rra.RequiresRegistration;
}
return(productDescriptor);
}
/// <summary>
/// Initializes a new instance of the AutoUpdateProductDescriptorEventArgs class.
/// </summary>
/// <param name="productDescriptor">The descriptor that is the context of the event.</param>
public AutoUpdateProductDescriptorEventArgs(AutoUpdateProductDescriptor productDescriptor)
: base()
{
_productDescriptor = productDescriptor;
}
/// <summary>
/// Creates a descriptor that describes the product from it's assembly and version.
/// </summary>
/// <param name="assembly"></param>
/// <param name="version"></param>
/// <returns></returns>
public static AutoUpdateProductDescriptor FromAssembly(Assembly assembly, Version version)
{
// create a product descriptor
AutoUpdateProductDescriptor productDescriptor = new AutoUpdateProductDescriptor();
// grab its assembly name
AssemblyName assemblyName = assembly.GetName();
// set the name of the product
productDescriptor.Name = assemblyName.Name.Replace(".exe", null);
// the version will be the starting folder name parsed to a version
// this is based on the bootstrap's ability to look at folders and determine the appropriate
// version. we view the versions of the product as a collection of assemblies as a whole, not
// just individual assemblies. we do this to keep compiliation references together, we compile
// for releases of versions, and therefore when one changes, we view that single changes as applying to a
// particular update, which taken in context represents a version of the product.
productDescriptor.Version = version;
// snag the product id attribute from the assembly
ProductIdentifierAttribute pia = ProductIdentifierAttribute.FromAssembly(assembly);
if (pia != null)
productDescriptor.Id = pia.Id;
// snag the product requires registration attribute from the assembly
ProductRequiresRegistrationAttribute rra = ProductRequiresRegistrationAttribute.FromAssembly(assembly);
if (rra != null)
productDescriptor.RequiresRegistration = rra.RequiresRegistration;
return productDescriptor;
}
/// <summary>
/// Initializes a new instance of the AutoUpdateManager class
/// </summary>
/// <param name="options">The options that will control the behaviour of the engine</param>
/// <param name="productToUpdate">A product descriptor that will be used as the product to find updates for</param>
public AutoUpdateManager(AutoUpdateOptions options, AutoUpdateProductDescriptor productToUpdate)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
if (productToUpdate == null)
{
throw new ArgumentNullException("productToUpdate");
}
/*
* however if we wanted to not do the norm
* and create an update engine that could update another app
* then we are all about it, makes no never mind at all
* */
_options = options;
_productToUpdate = productToUpdate;
_downloaders = new AutoUpdateDownloaderList();
_downloaders.AddRange(this.CreateDownloadersForInternalUse());
if (_options.DownloadPath == null || _options.DownloadPath == string.Empty)
_options.DownloadPath = this.GetBootstrapPath();
}
/// <summary>
/// Initializes a new instance of the AutoUpdateManager class
/// </summary>
/// <param name="options">The options that will control the behaviour of the engine</param>
public AutoUpdateManager(AutoUpdateOptions options)
{
// we can't do anything without options to control our behavior
if (options == null)
{
throw new ArgumentNullException("options");
}
/*
* the default options will be used
* to update the current hosting engine
* and download into the bootstrap directory along side the other versions of this hosting engine
* */
_options = options;
_productToUpdate = AutoUpdateProductDescriptor.FromAssembly(PluginContext.Current.StartingAssembly, PluginContext.Current.AppVersion);
_downloaders = new AutoUpdateDownloaderList();
_downloaders.AddRange(this.CreateDownloadersForInternalUse());
if (_options.DownloadPath == null || _options.DownloadPath == string.Empty)
_options.DownloadPath = this.GetBootstrapPath();
}
/// <summary>
/// Instructs the AutoUpdateDownloader to query for the latest version available
/// </summary>
/// <param name="progressViewer">The progress viewer by which progress should be displayed</param>
/// <param name="options">The options that affect this downloader</param>
/// <param name="productToUpdate">The product descriptor for the product that should be updated</param>
/// <param name="updateAvailable">The download descriptor that describes the download that could potentially occur</param>
/// <returns></returns>
public virtual bool QueryLatestVersion(
IProgressViewer progressViewer,
AutoUpdateOptions options,
AutoUpdateProductDescriptor productToUpdate,
out AutoUpdateDownloadDescriptor updateAvailable)
{
updateAvailable = null;
return false;
}
/// <summary>
/// Initializes a new instance of the AutoUpdateProductDescriptorEventArgs class.
/// </summary>
/// <param name="productDescriptor">The descriptor that is the context of the event.</param>
public AutoUpdateProductDescriptorEventArgs(AutoUpdateProductDescriptor productDescriptor)
: base()
{
_productDescriptor = productDescriptor;
}