public bool Load(string fn, bool indirectLoadSave = false)
{
this.fn = fn;
if (this.openPackage != null)
{
this.openPackage.Close();
}
this.openPackage = null;
if (fn.ToLower().EndsWith(".xml"))
{
// load only XML
try
{
var reader = new StreamReader(fn);
// TODO: use aasenv serialzers here!
this.aasenv = AdminShellSerializationHelper.DeserializeXmlFromStreamWithCompat(reader.BaseStream);
if (this.aasenv == null)
{
throw (new Exception("Type error for XML file!"));
}
reader.Close();
}
catch (Exception ex)
{
throw (new Exception(string.Format("While reading AAS {0} at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
if (fn.ToLower().EndsWith(".json"))
{
// load only JSON
try
{
using (StreamReader file = System.IO.File.OpenText(fn))
{
// TODO: use aasenv serialzers here!
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new AdminShellConverters.JsonAasxConverter("modelType", "name"));
this.aasenv = (AdminShell.AdministrationShellEnv)serializer.Deserialize(file, typeof(AdminShell.AdministrationShellEnv));
}
}
catch (Exception ex)
{
throw (new Exception(string.Format("While reading AAS {0} at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
if (fn.ToLower().EndsWith(".aasx"))
{
var fnToLoad = fn;
this.tempFn = null;
if (indirectLoadSave)
{
try
{
this.tempFn = System.IO.Path.GetTempFileName().Replace(".tmp", ".aasx");
System.IO.File.Copy(fn, this.tempFn);
fnToLoad = this.tempFn;
}
catch (Exception ex)
{
throw (new Exception(string.Format("While copying AASX {0} for indirect load at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
}
string nsuri = "";
// for (int loop = 0; loop < 2; loop++)
for (int loop = 1; loop < 2; loop++)
{
// load package AASX
try
{
Package package = null;
switch (loop)
{
case 0:
package = Package.Open(fnToLoad, FileMode.Open);
break;
case 1:
package = Package.Open(fnToLoad, FileMode.Open, FileAccess.Read, FileShare.Read);
break;
}
// get the origin from the package
PackagePart originPart = null;
var xs = package.GetRelationshipsByType("http://www.admin-shell.io/aasx/relationships/aasx-origin");
foreach (var x in xs)
{
if (x.SourceUri.ToString() == "/")
{
originPart = package.GetPart(x.TargetUri);
break;
}
}
if (originPart == null)
{
throw (new Exception("Unable to find AASX origin. Aborting!"));
}
// get the specs from the package
PackagePart specPart = null;
xs = originPart.GetRelationshipsByType("http://www.admin-shell.io/aasx/relationships/aas-spec");
foreach (var x in xs)
{
specPart = package.GetPart(x.TargetUri);
break;
}
if (specPart == null)
{
throw (new Exception("Unable to find AASX spec(s). Aborting!"));
}
// open spec part to read
try
{
if (specPart.Uri.ToString().ToLower().Trim().EndsWith("json"))
{
using (var s = specPart.GetStream(FileMode.Open))
{
using (StreamReader file = new StreamReader(s))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new AdminShellConverters.JsonAasxConverter("modelType", "name"));
this.aasenv = (AdminShell.AdministrationShellEnv)serializer.Deserialize(file, typeof(AdminShell.AdministrationShellEnv));
file.Close();
}
s.Close();
}
loop = 2;
}
else
{
// using (var s = specPart.GetStream(FileMode.Open))
var s = specPart.GetStream(FileMode.Open);
{
// own catch loop to be more specific
if (loop == 0)
{
nsuri = AdminShellSerializationHelper.TryReadXmlFirstElementNamespaceURI(s);
s.Close();
package.Close();
continue;
}
// neu
nsuri = AdminShellSerializationHelper.TryReadXmlFirstElementNamespaceURI(s);
s.Close();
s = specPart.GetStream(FileMode.Open, FileAccess.Read);
// read V1.0?
if (nsuri != null && nsuri.Trim() == "http://www.admin-shell.io/aas/1/0")
{
#if UseAasxCompatibilityModels
XmlSerializer serializer = new XmlSerializer(typeof(AasxCompatibilityModels.AdminShellV10.AdministrationShellEnv), "http://www.admin-shell.io/aas/1/0");
var v10 = serializer.Deserialize(s) as AasxCompatibilityModels.AdminShellV10.AdministrationShellEnv;
this.aasenv = new AdminShellV20.AdministrationShellEnv(v10);
#else
throw (new Exception("Cannot handle AAS file format http://www.admin-shell.io/aas/1/0 !"));
#endif
}
// read V2.0?
if (nsuri != null && nsuri.Trim() == "http://www.admin-shell.io/aas/2/0")
{
XmlSerializer serializer = new XmlSerializer(typeof(AdminShell.AdministrationShellEnv), "http://www.admin-shell.io/aas/2/0");
this.aasenv = serializer.Deserialize(s) as AdminShell.AdministrationShellEnv;
}
this.openPackage = package;
if (this.aasenv == null)
{
throw (new Exception("Type error for XML file!"));
}
s.Close();
}
}
}
catch (Exception ex)
{
throw (new Exception(string.Format("While reading AAS {0} spec at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
// Package must not close to read e.g. thumbnails
//// package.Close();
}
catch (Exception ex)
{
throw (new Exception(string.Format("While reading AASX {0} at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
}
return(true);
}
// Don't know to handle
throw (new Exception(string.Format($"Not able to handle {fn}.")));
}
public bool Load(string fn, bool indirectLoadSave = false)
{
this.fn = fn;
if (this.openPackage != null)
{
this.openPackage.Close();
}
this.openPackage = null;
if (fn.ToLower().EndsWith(".xml"))
{
// load only XML
try
{
var reader = new StreamReader(fn);
this.aasenv = AdminShellSerializationHelper.DeserializeXmlFromStreamWithCompat(reader.BaseStream);
if (this.aasenv == null)
{
throw (new Exception("Type error for XML file!"));
}
reader.Close();
}
catch (Exception ex)
{
throw (new Exception(
string.Format("While reading AAS {0} at {1} gave: {2}",
fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
if (fn.ToLower().EndsWith(".json"))
{
// load only JSON
try
{
using (StreamReader file = System.IO.File.OpenText(fn))
{
// TODO (Michael Hoffmeister, 2020-08-01): use a unified function to create a serializer
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(new AdminShellConverters.JsonAasxConverter("modelType", "name"));
this.aasenv = (AdminShell.AdministrationShellEnv)serializer.Deserialize(
file, typeof(AdminShell.AdministrationShellEnv));
}
}
catch (Exception ex)
{
throw (new Exception(
string.Format("While reading AAS {0} at {1} gave: {2}",
fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
if (fn.ToLower().EndsWith(".aasx"))
{
var fnToLoad = fn;
this.tempFn = null;
if (indirectLoadSave)
{
try
{
this.tempFn = System.IO.Path.GetTempFileName().Replace(".tmp", ".aasx");
System.IO.File.Copy(fn, this.tempFn);
fnToLoad = this.tempFn;
}
catch (Exception ex)
{
throw (new Exception(
string.Format("While copying AASX {0} for indirect load at {1} gave: {2}",
fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
}
// load package AASX
try
{
var package = Package.Open(fnToLoad, FileMode.Open);
// get the origin from the package
PackagePart originPart = null;
var xs = package.GetRelationshipsByType(
"http://www.admin-shell.io/aasx/relationships/aasx-origin");
foreach (var x in xs)
{
if (x.SourceUri.ToString() == "/")
{
originPart = package.GetPart(x.TargetUri);
break;
}
}
if (originPart == null)
{
throw (new Exception("Unable to find AASX origin. Aborting!"));
}
// get the specs from the package
PackagePart specPart = null;
xs = originPart.GetRelationshipsByType("http://www.admin-shell.io/aasx/relationships/aas-spec");
foreach (var x in xs)
{
specPart = package.GetPart(x.TargetUri);
break;
}
if (specPart == null)
{
throw (new Exception("Unable to find AASX spec(s). Aborting!"));
}
// open spec part to read
try
{
if (specPart.Uri.ToString().ToLower().Trim().EndsWith("json"))
{
using (var s = specPart.GetStream(FileMode.Open))
{
using (StreamReader file = new StreamReader(s))
{
JsonSerializer serializer = new JsonSerializer();
serializer.Converters.Add(
new AdminShellConverters.JsonAasxConverter("modelType", "name"));
this.aasenv = (AdminShell.AdministrationShellEnv)serializer.Deserialize(
file, typeof(AdminShell.AdministrationShellEnv));
}
}
}
else
{
using (var s = specPart.GetStream(FileMode.Open))
{
// own catch loop to be more specific
this.aasenv = AdminShellSerializationHelper.DeserializeXmlFromStreamWithCompat(s);
this.openPackage = package;
if (this.aasenv == null)
{
throw (new Exception("Type error for XML file!"));
}
s.Close();
}
}
}
catch (Exception ex)
{
throw (new Exception(
string.Format("While reading AAS {0} spec at {1} gave: {2}",
fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
}
catch (Exception ex)
{
throw (new Exception(
string.Format("While reading AASX {0} at {1} gave: {2}",
fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
// Don't know to handle
throw (new Exception(string.Format($"Not able to handle {fn}.")));
}
