public bool LoadFromAasEnvString(string content)
{
try
{
using (var file = new StringReader(content))
{
// 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 AASENV string {0} gave: {1}",
AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
public bool SaveAs(string fn, bool writeFreshly = false, PreferredFormat prefFmt = PreferredFormat.None, MemoryStream useMemoryStream = null)
{
Console.WriteLine("SaveAs: " + fn);
if (fn.ToLower().EndsWith(".xml"))
{
// save only XML
this.fn = fn;
try
{
using (var s = new StreamWriter(this.fn))
{
// TODO: use aasenv serialzers here!
var serializer = new XmlSerializer(typeof(AdminShell.AdministrationShellEnv));
var nss = new XmlSerializerNamespaces();
nss.Add("xsi", System.Xml.Schema.XmlSchema.InstanceNamespace);
nss.Add("aas", "http://www.admin-shell.io/aas/2/0");
nss.Add("IEC61360", "http://www.admin-shell.io/IEC61360/2/0");
serializer.Serialize(s, this.aasenv, nss);
}
}
catch (Exception ex)
{
throw (new Exception(string.Format("While writing AAS {0} at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
if (fn.ToLower().EndsWith(".json"))
{
// save only JSON
// this funcitonality is a initial test
this.fn = fn;
try
{
using (var sw = new StreamWriter(fn))
{
// TODO: use aasenv serialzers here!
sw.AutoFlush = true;
JsonSerializer serializer = new JsonSerializer()
{
NullValueHandling = NullValueHandling.Ignore,
ReferenceLoopHandling = ReferenceLoopHandling.Serialize,
Formatting = Newtonsoft.Json.Formatting.Indented
};
using (JsonWriter writer = new JsonTextWriter(sw))
{
serializer.Serialize(writer, this.aasenv);
}
}
}
catch (Exception ex)
{
throw (new Exception(string.Format("While writing AAS {0} at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
return(true);
}
if (fn.ToLower().EndsWith(".aasx"))
{
// save package AASX
try
{
// we want existing contents to be preserved, but no possiblity to change file name
// therefore: copy file to new name, re-open!
// fn could be changed, therefore close "old" package first
if (this.openPackage != null)
{
// ReSharper disable EmptyGeneralCatchClause
try
{
this.openPackage.Close();
if (!writeFreshly)
{
if (this.tempFn != null)
{
System.IO.File.Copy(this.tempFn, fn);
}
else
{
System.IO.File.Copy(this.fn, fn);
}
}
}
catch { }
// ReSharper enable EmptyGeneralCatchClause
this.openPackage = null;
}
// approach is to utilize the existing package, if possible. If not, create from scratch
Package package = null;
if (useMemoryStream != null)
{
package = Package.Open(useMemoryStream, (writeFreshly) ? FileMode.Create : FileMode.OpenOrCreate);
}
else
{
package = Package.Open((this.tempFn != null) ? this.tempFn : fn, (writeFreshly) ? FileMode.Create : FileMode.OpenOrCreate);
}
this.fn = fn;
// 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)
{
// create, as not existing
originPart = package.CreatePart(new Uri("/aasx/aasx-origin", UriKind.RelativeOrAbsolute), System.Net.Mime.MediaTypeNames.Text.Plain, CompressionOption.Maximum);
using (var s = originPart.GetStream(FileMode.Create))
{
var bytes = System.Text.Encoding.ASCII.GetBytes("Intentionally empty.");
s.Write(bytes, 0, bytes.Length);
}
package.CreateRelationship(originPart.Uri, TargetMode.Internal, "http://www.admin-shell.io/aasx/relationships/aasx-origin");
}
// get the specs from the package
PackagePart specPart = null;
PackageRelationship specRel = null;
xs = originPart.GetRelationshipsByType("http://www.admin-shell.io/aasx/relationships/aas-spec");
foreach (var x in xs)
{
specRel = x;
specPart = package.GetPart(x.TargetUri);
break;
}
// check, if we have to change the spec part
if (specPart != null && specRel != null)
{
var name = System.IO.Path.GetFileNameWithoutExtension(specPart.Uri.ToString()).ToLower().Trim();
var ext = System.IO.Path.GetExtension(specPart.Uri.ToString()).ToLower().Trim();
if ((ext == ".json" && prefFmt == PreferredFormat.Xml) ||
(ext == ".xml" && prefFmt == PreferredFormat.Json) ||
(name.StartsWith("aasenv-with-no-id")))
{
// try kill specpart
// ReSharper disable EmptyGeneralCatchClause
try
{
originPart.DeleteRelationship(specRel.Id);
package.DeletePart(specPart.Uri);
}
catch { }
finally { specPart = null; specRel = null; }
// ReSharper enable EmptyGeneralCatchClause
}
}
if (specPart == null)
{
// create, as not existing
var frn = "aasenv-with-no-id";
if (this.aasenv.AdministrationShells.Count > 0)
{
frn = this.aasenv.AdministrationShells[0].GetFriendlyName() ?? frn;
}
var aas_spec_fn = "/aasx/#/#.aas";
if (prefFmt == PreferredFormat.Json)
{
aas_spec_fn += ".json";
}
else
{
aas_spec_fn += ".xml";
}
aas_spec_fn = aas_spec_fn.Replace("#", "" + frn);
specPart = package.CreatePart(new Uri(aas_spec_fn, UriKind.RelativeOrAbsolute), System.Net.Mime.MediaTypeNames.Text.Xml, CompressionOption.Maximum);
originPart.CreateRelationship(specPart.Uri, TargetMode.Internal, "http://www.admin-shell.io/aasx/relationships/aas-spec");
}
// now, specPart shall be != null!
if (specPart.Uri.ToString().ToLower().Trim().EndsWith("json"))
{
using (var s = specPart.GetStream(FileMode.Create))
{
JsonSerializer serializer = new JsonSerializer();
serializer.NullValueHandling = NullValueHandling.Ignore;
serializer.ReferenceLoopHandling = ReferenceLoopHandling.Serialize;
serializer.Formatting = Newtonsoft.Json.Formatting.Indented;
using (var sw = new StreamWriter(s))
{
using (JsonWriter writer = new JsonTextWriter(sw))
{
serializer.Serialize(writer, this.aasenv);
}
}
}
}
else
{
using (var s = specPart.GetStream(FileMode.Create))
{
var serializer = new XmlSerializer(typeof(AdminShell.AdministrationShellEnv));
var nss = new XmlSerializerNamespaces();
nss.Add("xsi", System.Xml.Schema.XmlSchema.InstanceNamespace);
nss.Add("aas", "http://www.admin-shell.io/aas/2/0");
nss.Add("IEC61360", "http://www.admin-shell.io/IEC61360/2/0");
serializer.Serialize(s, this.aasenv, nss);
}
}
// there might be pending files to be deleted (first delete, then add, in case of identical files in both categories)
foreach (var psfDel in pendingFilesToDelete)
{
// try find an existing part for that file ..
var found = false;
// normal files
xs = specPart.GetRelationshipsByType("http://www.admin-shell.io/aasx/relationships/aas-suppl");
foreach (var x in xs)
{
if (x.TargetUri == psfDel.uri)
{
// try to delete
specPart.DeleteRelationship(x.Id);
package.DeletePart(psfDel.uri);
found = true;
break;
}
}
// thumbnails
xs = package.GetRelationshipsByType("http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail");
foreach (var x in xs)
{
if (x.TargetUri == psfDel.uri)
{
// try to delete
package.DeleteRelationship(x.Id);
package.DeletePart(psfDel.uri);
found = true;
break;
}
}
if (!found)
{
throw (new Exception($"Not able to delete pending file {psfDel.uri} in saving package {fn}"));
}
}
// after this, there are no more pending for delete files
pendingFilesToDelete.Clear();
// write pending supplementary files
foreach (var psfAdd in pendingFilesToAdd)
{
// make sure ..
if ((psfAdd.sourceLocalPath == null && psfAdd.sourceGetBytesDel == null) || psfAdd.location != AdminShellPackageSupplementaryFile.LocationType.AddPending)
{
continue;
}
// normal file?
if (psfAdd.specialHandling == AdminShellPackageSupplementaryFile.SpecialHandlingType.None ||
psfAdd.specialHandling == AdminShellPackageSupplementaryFile.SpecialHandlingType.EmbedAsThumbnail)
{
// try find an existing part for that file ..
PackagePart filePart = null;
if (psfAdd.specialHandling == AdminShellPackageSupplementaryFile.SpecialHandlingType.None)
{
xs = specPart.GetRelationshipsByType("http://www.admin-shell.io/aasx/relationships/aas-suppl");
foreach (var x in xs)
{
if (x.TargetUri == psfAdd.uri)
{
filePart = package.GetPart(x.TargetUri);
break;
}
}
}
if (psfAdd.specialHandling == AdminShellPackageSupplementaryFile.SpecialHandlingType.EmbedAsThumbnail)
{
xs = package.GetRelationshipsByType("http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail");
foreach (var x in xs)
{
if (x.SourceUri.ToString() == "/" && x.TargetUri == psfAdd.uri)
{
filePart = package.GetPart(x.TargetUri);
break;
}
}
}
if (filePart == null)
{
// determine mimeType
var mimeType = psfAdd.useMimeType;
// reconcile mime
if (mimeType == null && psfAdd.sourceLocalPath != null)
{
mimeType = AdminShellPackageEnv.GuessMimeType(psfAdd.sourceLocalPath);
}
// still null?
if (mimeType == null)
{
// see: https://stackoverflow.com/questions/6783921/which-mime-type-to-use-for-a-binary-file-thats-specific-to-my-program
mimeType = "application/octet-stream";
}
// create new part and link
filePart = package.CreatePart(psfAdd.uri, mimeType, CompressionOption.Maximum);
if (psfAdd.specialHandling == AdminShellPackageSupplementaryFile.SpecialHandlingType.None)
{
specPart.CreateRelationship(filePart.Uri, TargetMode.Internal, "http://www.admin-shell.io/aasx/relationships/aas-suppl");
}
if (psfAdd.specialHandling == AdminShellPackageSupplementaryFile.SpecialHandlingType.EmbedAsThumbnail)
{
package.CreateRelationship(filePart.Uri, TargetMode.Internal, "http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail");
}
}
// now should be able to write
using (var s = filePart.GetStream(FileMode.Create))
{
if (psfAdd.sourceLocalPath != null)
{
var bytes = System.IO.File.ReadAllBytes(psfAdd.sourceLocalPath);
s.Write(bytes, 0, bytes.Length);
}
if (psfAdd.sourceGetBytesDel != null)
{
var bytes = psfAdd.sourceGetBytesDel();
if (bytes != null)
{
s.Write(bytes, 0, bytes.Length);
}
}
}
}
}
// after this, there are no more pending for add files
pendingFilesToAdd.Clear();
// flush and close
package.Flush();
this.openPackage = null;
package.Close();
// if in temp fn, close the package, copy to original fn, re-open the package
if (this.tempFn != null)
{
try
{
package.Close();
System.IO.File.Copy(this.tempFn, this.fn, overwrite: true);
this.openPackage = Package.Open(this.tempFn, FileMode.OpenOrCreate);
}
catch (Exception ex)
{
throw (new Exception(string.Format("While write AASX {0} indirectly at {1} gave: {2}", fn, AdminShellUtil.ShortLocation(ex), ex.Message)));
}
}
}
catch (Exception ex)
{
throw (new Exception(string.Format("While write 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);
// 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}.")));
}
