public virtual CabinetBuildOption ResolveCabinet(FileRowCollection fileRows, ref string cabinetPath)
{
if (fileRows == null)
{
throw new ArgumentNullException("fileRows");
}
// no special behavior specified, use the default
if (null == this.cabCachePath && !this.reuseCabinets)
{
return(CabinetBuildOption.BuildAndMove);
}
// if a cabinet cache path was provided, change the location for the cabinet
// to be built to
if (null != this.cabCachePath)
{
string cabinetName = Path.GetFileName(cabinetPath);
cabinetPath = Path.Combine(this.cabCachePath, cabinetName);
}
// if we still think we're going to reuse the cabinet check to see if the cabinet exists first
if (this.reuseCabinets)
{
bool cabinetValid = false;
if (BinderFileManager.CheckFileExists(cabinetPath))
{
// check to see if
// 1. any files are added or removed
// 2. order of files changed or names changed
// 3. modified time changed
cabinetValid = true;
// Need to force garbage collection of WixEnumerateCab to ensure the handle
// associated with it is closed before it is reused.
using (Cab.WixEnumerateCab wixEnumerateCab = new Cab.WixEnumerateCab())
{
ArrayList fileList = wixEnumerateCab.Enumerate(cabinetPath);
if (fileRows.Count != fileList.Count)
{
cabinetValid = false;
}
else
{
int i = 0;
foreach (FileRow fileRow in fileRows)
{
// First check that the file identifiers match because that is quick and easy.
CabinetFileInfo cabFileInfo = fileList[i] as CabinetFileInfo;
cabinetValid = (cabFileInfo.FileId == fileRow.File);
if (cabinetValid)
{
// Still valid so ensure the source time stamp hasn't changed. Thus we need
// to convert the source file time stamp into a cabinet compatible data/time.
DateTime sourceFileTime = File.GetLastWriteTime(fileRow.Source);
ushort sourceCabDate;
ushort sourceCabTime;
Cab.Interop.CabInterop.DateTimeToCabDateAndTime(sourceFileTime, out sourceCabDate, out sourceCabTime);
cabinetValid = (cabFileInfo.Date == sourceCabDate && cabFileInfo.Time == sourceCabTime);
}
if (!cabinetValid)
{
break;
}
i++;
}
}
}
}
return(cabinetValid ? CabinetBuildOption.Copy : CabinetBuildOption.BuildAndCopy);
}
else // by default move the built cabinet
{
return(CabinetBuildOption.BuildAndMove);
}
}
/// <summary>
/// Resolves the source path of a cabinet file.
/// </summary>
/// <param name="fileRows">Collection of files in this cabinet.</param>
/// <param name="cabinetPath">Path to cabinet to generate. Path may be modified by delegate.</param>
/// <returns>The CabinetBuildOption. By default the cabinet is built and moved to its target location.</returns>
public virtual CabinetBuildOption ResolveCabinet(FileRowCollection fileRows, ref string cabinetPath)
{
// no special behavior specified, use the default
if (null == this.cabCachePath && !this.reuseCabinets)
{
return(CabinetBuildOption.BuildAndMove);
}
// if a cabinet cache path was provided, change the location for the cabinet
// to be built to
if (null != this.cabCachePath)
{
string cabinetName = Path.GetFileName(cabinetPath);
cabinetPath = Path.Combine(this.cabCachePath, cabinetName);
}
// if we still think we're going to reuse the cabinet check to see if the cabinet exists first
if (this.reuseCabinets)
{
bool cabinetExists = false;
if (File.Exists(cabinetPath))
{
// check to see if
// 1. any files are added or removed
// 2. order of files changed or names changed
// 3. modified time changed
cabinetExists = true;
Cab.WixEnumerateCab wixEnumerateCab = new Cab.WixEnumerateCab();
ArrayList fileList = wixEnumerateCab.Enumerate(cabinetPath);
if (fileRows.Count != fileList.Count)
{
cabinetExists = false;
}
else
{
int i = 0;
foreach (FileRow fileRow in fileRows)
{
CabinetFileInfo fileInfo = fileList[i] as CabinetFileInfo;
DateTime fileTime = File.GetLastWriteTime(fileRow.Source);
ushort cabDate;
ushort cabTime;
Cab.Interop.CabInterop.DateTimeToCabDateAndTime(fileTime, out cabDate, out cabTime);
if (fileRow.File != fileInfo.FileId || fileInfo.Date != cabDate || fileInfo.Time != cabTime)
{
cabinetExists = false;
break;
}
i++;
}
}
}
return(cabinetExists ? CabinetBuildOption.Copy : CabinetBuildOption.BuildAndCopy);
}
else // by default move the built cabinet
{
return(CabinetBuildOption.BuildAndMove);
}
}