/// <summary> Constructor for a new instance of this class </summary>
/// <param name="fields"> Fields which will be added to each record created </param>
/// <param name="inputFile"> Text of the input file </param>
/// <param name="outputFile"> Text for the output file as well </param>
public MARC_Importer_Processor(string inputFile, bool JustSaveMarcXML, string ProjectCode, Constant_Fields constantCollection, bool Preview_Mode, string Error_Folder )
: base(constantCollection)
{
// Save the parameters
this.inputFile = inputFile;
this.JustSaveMarcXML = JustSaveMarcXML;
this.projectCode = ProjectCode;
this.preview_mode = Preview_Mode;
this.error_folder = Error_Folder;
// Allow overlay from MARC records
base.allow_overlay = true;
// Create the parser
parser = new MARC21_Exchange_Format_Parser();
// Set the MARC directory and the error directory
marc_directory = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "\\SMaRT\\MarcXML\\";
error_folder = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "\\SMaRT\\Temporary\\";
// Ensure both folders exist
if (!Directory.Exists(marc_directory))
Directory.CreateDirectory(marc_directory);
if (!Directory.Exists(error_folder))
Directory.CreateDirectory(error_folder);
}
/// <summary> Constructor for a new instance of this class </summary>
/// <param name="fields"> Fields which will be added to each record created </param>
/// <param name="inputFile"> Text of the input file </param>
/// <param name="outputFile"> Text for the output file as well </param>
public MARC_Importer_Processor(string inputFile, bool JustSaveMarcXML, string ProjectCode, Constant_Fields constantCollection, bool Preview_Mode, string Error_Folder) : base(constantCollection)
{
// Save the parameters
this.inputFile = inputFile;
this.JustSaveMarcXML = JustSaveMarcXML;
this.projectCode = ProjectCode;
this.preview_mode = Preview_Mode;
this.error_folder = Error_Folder;
// Allow overlay from MARC records
base.allow_overlay = true;
// Create the parser
parser = new MARC21_Exchange_Format_Parser();
// Set the MARC directory and the error directory
marc_directory = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "\\SMaRT\\MarcXML\\";
error_folder = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "\\SMaRT\\Temporary\\";
// Ensure both folders exist
if (!Directory.Exists(marc_directory))
{
Directory.CreateDirectory(marc_directory);
}
if (!Directory.Exists(error_folder))
{
Directory.CreateDirectory(error_folder);
}
}
/// <summary> DEMO 2: Read the second record from a MARC21 DAT file, w/o using the IEnumerator
/// interface and write that single record to both a XML file and a DAT file, w/o calling the writer classes
/// explicitly </summary>
private static void demo2()
{
Console.WriteLine("Performing demo2");
// Create the marc21 exchange reader
MARC21_Exchange_Format_Parser parser1 = new MARC21_Exchange_Format_Parser();
// This parses and pulls out the first record (discarded)
parser1.Parse("CIMMYT01.dat");
// We'll pull again to get the second
MARC_Record record = parser1.Next();
// If this is null, say so
if (record == null)
{
Console.WriteLine("Unable to read the second record from test file.");
return;
}
// Save as a MarcXML file
if (!record.Save_MARC_XML("demo2.xml"))
{
Console.WriteLine("Error encountered while writing demo2.xml");
return;
}
// Save as a single Marc21 file
if (!record.Save_MARC21("demo2.dat"))
{
Console.WriteLine("Error encountered while writing demo2.dat");
}
}
/// <summary> DEMO 1 : Read a MARC DAT file completely using the IEnumerator interface. and adding it to a MarcXML output file </summary>
private static void demo1()
{
Console.WriteLine("Performing demo1");
// Create the marc21 exchange reader
MARC21_Exchange_Format_Parser parser1 = new MARC21_Exchange_Format_Parser("AgricNewCat02.dat");
// Create the marc xml writer
MARCXML_Writer writer1 = new MARCXML_Writer("AgricNewCat02.xml");
try
{
// Step through each record from the Marc21 dat file and output to the XML file
foreach (MARC_Record thisRecord in parser1)
{
writer1.AppendRecord(thisRecord);
}
}
catch (Exception ee)
{
Console.WriteLine(ee.StackTrace);
}
finally
{
// Close all the streams
parser1.Close();
writer1.Close();
}
}
/// <summary> DEMO 3: Read the resulting demo2.dat file, change the title, publisher, and add
/// a subject field and then save it again</summary>
private static void demo3()
{
Console.WriteLine("Performing demo3");
// Create the marc21 exchange reader
MARC21_Exchange_Format_Parser parser1 = new MARC21_Exchange_Format_Parser();
// Read the record
MARC_Record record = parser1.Parse("demo2.dat");
// If this is null, say so
if (record == null)
{
Console.WriteLine("Unable to read the demo2.dat in the 3rd demo portion");
return;
}
// Change the title field ( 245 )
record[245][0].Add_NonRepeatable_Subfield('a', "New Title");
// Also change the creator field (110 in this case)
record[110][0].Add_NonRepeatable_Subfield('a', "Corn Maze Production, Incorporated");
// Add a new field to record
MARC_Field newSubject = record.Add_Field(650, ' ', '0');
newSubject.Add_Subfield('a', "Soils");
newSubject.Add_Subfield('x', "Phosphorous content");
newSubject.Add_Subfield('z', "Indonesia");
// Save this as XML and also as Marc21
record.Save_MARC_XML("demo3.xml");
record.Save_MARC21("demo3.dat");
}
/// <summary> Constructor for a new instance of this class </summary>
/// <param name="fields"> Fields which will be added to each record created </param>
/// <param name="inputFile"> Text of the input file </param>
/// <param name="outputFile"> Text for the output file as well </param>
public MARC_Importer_Processor(string inputFile, Constant_Fields constantCollection, string Destination_Folder, string BibID_Start, int First_BibID)
: base(constantCollection)
{
// Save the parameters
this.inputFile = inputFile;
destination_folder = Destination_Folder;
bibid_start = BibID_Start;
next_bibid_counter = First_BibID;
// Allow overlay from MARC records
base.allow_overlay = true;
// Create the parser
parser = new MARC21_Exchange_Format_Parser();
// Set the error and marc subfolders
marc_folder = destination_folder + "\\MARC";
error_folder = destination_folder + "\\Error";
}
public static MARC_Record Get_Record_By_Primary_Identifier(string Primary_Identifier, Z3950_Endpoint Z3950_Server, out string Message, Record_Character_Encoding encoding)
{
// Initially set the message to empty
Message = String.Empty;
// http://jai-on-asp.blogspot.com/2010/01/z3950-client-in-cnet-using-zoomnet-and.html
// http://www.indexdata.com/yaz/doc/tools.html#PQF
// http://www.loc.gov/z3950/agency/defns/bib1.html
// http://www.assembla.com/code/wasolic/subversion/nodes/ZOOM.NET
// http://lists.indexdata.dk/pipermail/yazlist/2007-June/002080.html
// http://fclaweb.fcla.edu/content/z3950-access-aleph
const string prefix = "@attrset Bib-1 @attr 1=12 ";
try
{
IConnection connection; // zoom db connector
IPrefixQuery query; // zoom query
IRecord record; // one zoom record
IResultSet records; // collection of records
// allocate MARC tools
MARC21_Exchange_Format_Parser parser = new MARC21_Exchange_Format_Parser();
// establish connection
connection = new Connection(Z3950_Server.URI, Convert.ToInt32(Z3950_Server.Port));
connection.DatabaseName = Z3950_Server.Database_Name;
// Any authentication here?
if (Z3950_Server.Username.Length > 0)
{
connection.Username = Z3950_Server.Username;
}
if (Z3950_Server.Password.Length > 0)
{
connection.Password = Z3950_Server.Password;
}
// Set to USMARC
connection.Syntax = RecordSyntax.USMARC;
// call the Z39.50 server
query = new PrefixQuery(prefix + Primary_Identifier);
records = connection.Search(query);
// If the record count is not one, return a message
if (records.Count != 1)
{
if (records.Count == 0)
{
Message = "ERROR: No matching record found in Z39.50 endpoint";
}
else
{
Message = "ERROR: More than one matching record found in Z39.50 endpoint by primary identifier";
}
return(null);
}
// capture the byte stream
record = records[0];
MemoryStream ms = new MemoryStream(record.Content);
// display while debugging
//MessageBox.Show(Encoding.UTF8.GetString(record.Content));
try
{
// feed the record to the parser and add the 955
MARC_Record marcrec = parser.Parse(ms, encoding);
parser.Close();
return(marcrec);
}
catch (Exception error)
{
Message = "ERROR: Unable to parse resulting record into the MARC Record structure!\n\n" + error.Message;
return(null);
//MessageBox.Show("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Error details: " + error.Message);
}
}
catch (Exception error)
{
if (error.Message.IndexOf("The type initializer for 'Zoom.Net.Yaz") >= 0)
{
Message = "ERROR: The Z39.50 libraries did not correctly initialize.\n\nThese libraries do not currently work in 64-bit environments.";
}
else
{
Message = "ERROR: Unable to connect and search provided Z39.50 endpoint.\n\n" + error.Message;
}
return(null);
//MessageBox.Show("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Error details: " + error.Message);
}
}
/// <summary> Gets a MARC record from a Z39.50 server, by performaing a search </summary>
/// <param name="Attribute_Number"> Z39.50 attribute number which indicates against which metadata field search should occur </param>
/// <param name="Search_Term"> Term to search for within the attribute number </param>
/// <param name="Z3950_Server"> Z39.50 server endpoint information </param>
/// <param name="Message"> Return message from the server </param>
/// <returns> MARC record, if retrievable by search </returns>
public static MARC_Record Get_Record(int Attribute_Number, string Search_Term, Z3950_Endpoint Z3950_Server, out string Message)
{
// Initially set the message to empty
Message = String.Empty;
// http://jai-on-asp.blogspot.com/2010/01/z3950-client-in-cnet-using-zoomnet-and.html
// http://www.indexdata.com/yaz/doc/tools.html#PQF
// http://www.loc.gov/z3950/agency/defns/bib1.html
// http://www.assembla.com/code/wasolic/subversion/nodes/ZOOM.NET
// http://lists.indexdata.dk/pipermail/yazlist/2007-June/002080.html
// http://fclaweb.fcla.edu/content/z3950-access-aleph
string prefix = "@attrset Bib-1 @attr 1=" + Attribute_Number + " ";
try
{
// allocate MARC tools
MARC21_Exchange_Format_Parser parser = new MARC21_Exchange_Format_Parser();
// establish connection
IConnection connection = new Connection(Z3950_Server.URI, Convert.ToInt32(Z3950_Server.Port));
connection.DatabaseName = Z3950_Server.Database_Name;
// Any authentication here?
if (Z3950_Server.Username.Length > 0)
connection.Username = Z3950_Server.Username;
if (Z3950_Server.Password.Length > 0)
connection.Password = Z3950_Server.Password;
// Set to USMARC
connection.Syntax = RecordSyntax.USMARC;
// call the Z39.50 server
IPrefixQuery query = new PrefixQuery(prefix + Search_Term);
IResultSet records = connection.Search(query);
// If the record count is not one, return a message
if (records.Count != 1)
{
Message = records.Count == 0 ? "ERROR: No matching record found in Z39.50 endpoint" : "ERROR: More than one matching record found in Z39.50 endpoint by ISBN";
return null;
}
// capture the byte stream
IRecord record = records[0];
MemoryStream ms = new MemoryStream(record.Content);
// display while debugging
//MessageBox.Show(Encoding.UTF8.GetString(record.Content));
try
{
// feed the record to the parser and add the 955
MARC_Record marcrec = parser.Parse(ms);
parser.Close();
return marcrec;
}
catch (Exception error)
{
Message = "ERROR: Unable to parse resulting record into the MARC Record structure!\n\n" + error.Message;
return null;
//MessageBox.Show("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Error details: " + error.Message);
}
}
catch (Exception error)
{
if (error.Message.IndexOf("The type initializer for 'Zoom.Net.Yaz") >= 0)
{
Message = "ERROR: The Z39.50 libraries did not correctly initialize.\n\nThese libraries do not currently work in 64-bit environments.";
}
else
{
Message = "ERROR: Unable to connect and search provided Z39.50 endpoint.\n\n" + error.Message;
}
return null;
//MessageBox.Show("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Could not convert item " + Primary_Identifier + " to MARCXML.");
//Trace.WriteLine("Error details: " + error.Message);
}
}
