/// <summary> Reads the atom types from the CDK based atom type list.
 /// 
 /// </summary>
 /// <param name="builder">IChemObjectBuilder used to construct the IAtomType's.
 /// </param>
 /// <throws>         IOException when a problem occured with reading from the InputStream </throws>
 /// <returns>        A Vector with read IAtomType's.
 /// </returns>
 public virtual System.Collections.ArrayList readAtomTypes(IChemObjectBuilder builder)
 {
     System.Collections.ArrayList atomTypes = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(0));
     if (ins == null)
     {
         try
         {
             ins = Assembly.GetExecutingAssembly().GetManifestResourceStream("NuGenCDKSharp." + configFile);
         }
         catch (System.Exception exc)
         {
             //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
             //logger.error(exc.Message);
             //logger.debug(exc);
             throw new System.IO.IOException("There was a problem getting a stream for " + configFile + " with getClass.getClassLoader.getResourceAsStream");
         }
         if (ins == null)
         {
             try
             {
                 //UPGRADE_ISSUE: Method 'java.lang.Class.getResourceAsStream' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassgetResourceAsStream_javalangString'"
                 ins = Assembly.GetExecutingAssembly().GetManifestResourceStream("NuGenCDKSharp." + configFile);
             }
             catch (System.Exception exc)
             {
                 //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
                 //logger.error(exc.Message);
                 //logger.debug(exc);
                 throw new System.IO.IOException("There was a problem getting a stream for " + configFile + " with getClass.getResourceAsStream");
             }
         }
     }
     if (ins == null)
         throw new System.IO.IOException("There was a problem getting an input stream");
     AtomTypeReader reader = new AtomTypeReader(new System.IO.StreamReader(ins, System.Text.Encoding.Default));
     atomTypes = reader.readAtomTypes(builder);
     for (int f = 0; f < atomTypes.Count; f++)
     {
         System.Object object_Renamed = atomTypes[f];
         if (object_Renamed == null)
         {
             System.Console.Out.WriteLine("Expecting an object but found null!");
             if (!(object_Renamed is IAtomType))
             {
                 //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Class.getName' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
                 System.Console.Out.WriteLine("Expecting cdk.AtomType class, but got: " + object_Renamed.GetType().FullName);
             }
         }
     }
     return atomTypes;
 }
Exemplo n.º 2
0
		/// <param name="builder">the ChemObjectBuilder implementation used to construct the AtomType's.
		/// </param>
		protected internal virtual AtomTypeFactory getAtomTypeFactory(IChemObjectBuilder builder)
		{
			if (structgenATF == null)
			{
				try
				{
					structgenATF = AtomTypeFactory.getInstance("org/openscience/cdk/config/data/structgen_atomtypes.xml", builder);
				}
				catch (System.Exception exception)
				{
					//logger.debug(exception);
					throw new CDKException("Could not instantiate AtomTypeFactory!", exception);
				}
			}
			return structgenATF;
		}
Exemplo n.º 3
0
		/// <param name="builder">the ChemObjectBuilder implementation used to construct the AtomType's.
		/// </param>
		protected internal virtual AtomTypeFactory getAtomTypeFactory(IChemObjectBuilder builder)
		{
			if (structgenATF == null)
			{
				try
				{
					structgenATF = AtomTypeFactory.getInstance(atomTypeList, builder);
				}
				catch (System.Exception exception)
				{
					//logger.debug(exception);
					throw new CDKException("Could not instantiate AtomTypeFactory!", exception);
				}
			}
			return structgenATF;
		}
Exemplo n.º 4
0
 /// <summary> Constructs an IsotopeHandler used by the IsotopeReader.
 /// 
 /// </summary>
 /// <param name="builder">The IChemObjectBuilder used to create new IIsotope's.
 /// </param>
 public IsotopeHandler(IChemObjectBuilder builder)
 {
     //logger = new LoggingTool(this);
     this.builder = builder;
 }
Exemplo n.º 5
0
        //private IChemObjectBuilder builder;

        /// <summary>  Default constructor</summary>
        public SmilesGenerator(IChemObjectBuilder builder)
        {
            //this.builder = builder;
            try
            {
                isotopeFactory = IsotopeFactory.getInstance(builder);
            }
            catch (System.IO.IOException e)
            {
                SupportClass.WriteStackTrace(e, Console.Error);
            }
            //UPGRADE_NOTE: Exception 'java.lang.ClassNotFoundException' was converted to 'System.Exception' which has different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1100'"
            catch (System.Exception e)
            {
                //UPGRADE_ISSUE: Method 'java.lang.ClassNotFoundException.printStackTrace' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassNotFoundExceptionprintStackTrace'"
                //e.printStackTrace();
            }
        }
Exemplo n.º 6
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 /// <summary> Returns an IsotopeFactory instance.
 /// 
 /// </summary>
 /// <param name="builder">                ChemObjectBuilder used to construct the Isotope's
 /// </param>
 /// <returns>                             The instance value
 /// </returns>
 /// <exception cref="IOException">            Description of the Exception
 /// </exception>
 /// <exception cref="OptionalDataException">  Description of the Exception
 /// </exception>
 /// <exception cref="ClassNotFoundException"> Description of the Exception
 /// </exception>
 public static IsotopeFactory getInstance(IChemObjectBuilder builder)
 {
     if (ifac == null)
     {
         ifac = new IsotopeFactory(builder);
     }
     return ifac;
 }
Exemplo n.º 7
0
 /// <summary> Reads the atom types from the data file.
 /// 
 /// </summary>
 /// <param name="builder">The IChemObjectBuilder used to create new IAtomType's.
 /// </param>
 /// <returns>         a Vector with atom types. Is empty if some reading error occured.
 /// </returns>
 public virtual System.Collections.ArrayList readAtomTypes(IChemObjectBuilder builder)
 {
     System.Collections.ArrayList isotopes = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
     try
     {
         parser.setFeature("http://xml.org/sax/features/validation", false);
         //logger.info("Deactivated validation");
     }
     //UPGRADE_TODO: Class 'org.xml.sax.SAXException' was converted to 'System.Xml.XmlException' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
     catch (System.Xml.XmlException exception)
     {
         //logger.warn("Cannot deactivate validation: ", exception.Message);
         //logger.debug(exception);
     }
     AtomTypeHandler handler = new AtomTypeHandler(builder);
     parser.setContentHandler(handler);
     try
     {
         parser.parse(new XmlSourceSupport(input));
         isotopes = handler.AtomTypes;
     }
     catch (System.IO.IOException exception)
     {
         //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
         //logger.error("IOException: ", exception.Message);
         //logger.debug(exception);
     }
     //UPGRADE_TODO: Class 'org.xml.sax.SAXException' was converted to 'System.Xml.XmlException' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
     catch (System.Xml.XmlException saxe)
     {
         //logger.error("SAXException: ", saxe.Message);
         //logger.debug(saxe);
     }
     return isotopes;
 }
Exemplo n.º 8
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 public virtual IAtomContainer readConnectionTable(IChemObjectBuilder builder)
 {
     IAtomContainer readData = builder.newAtomContainer();
     bool foundEND = false;
     while (Ready && !foundEND)
     {
         System.String command = readCommand();
         if ("END CTAB".Equals(command))
         {
             foundEND = true;
         }
         else if ("BEGIN CTAB".Equals(command))
         {
             // that's fine
         }
         else if ("COUNTS".Equals(command))
         {
             // don't think I need to parse this
         }
         else if ("BEGIN ATOM".Equals(command))
         {
             readAtomBlock(readData);
         }
         else if ("BEGIN BOND".Equals(command))
         {
             readBondBlock(readData);
         }
         else if ("BEGIN SGROUP".Equals(command))
         {
             readSGroup(readData);
         }
         else
         {
             //logger.warn("Unrecognized command: " + command);
         }
     }
     return readData;
 }
 public void SetUp()
 {
     builder = ChemObjectBuilder.Instance;
 }
Exemplo n.º 10
0
 /// <summary> Method to create a default AtomTypeFactory, using the given InputStream.
 /// An AtomType of this kind is not cached.
 /// 
 /// </summary>
 /// <seealso cref="getInstance(String, IChemObjectBuilder)">
 /// </seealso>
 /// <param name="ins">                   InputStream containing the data
 /// </param>
 /// <param name="format">                String representing the possible formats ('xml' and 'txt')
 /// </param>
 /// <param name="builder">               IChemObjectBuilder used to make IChemObject instances
 /// </param>
 /// <returns>                        The AtomTypeFactory for the given data file
 /// </returns>
 /// <throws>  IOException            when the file cannot be read </throws>
 /// <throws>  ClassNotFoundException when the AtomTypeFactory cannot be found </throws>
 public static AtomTypeFactory getInstance(System.IO.Stream ins, System.String format, IChemObjectBuilder builder)
 {
     return new AtomTypeFactory(ins, format, builder);
 }
Exemplo n.º 11
0
 private void readConfiguration(System.IO.Stream ins, System.String format, IChemObjectBuilder builder)
 {
     IAtomTypeConfigurator atc = constructConfigurator(format);
     if (atc != null)
     {
         atc.InputStream = ins;
         try
         {
             atomTypes = atc.readAtomTypes(builder);
         }
         catch (System.Exception exc)
         {
             //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
             //logger.error("Could not read AtomType's from file due to: ", exc.Message);
             //logger.debug(exc);
         }
     }
     else
     {
         //logger.debug("AtomTypeConfigurator was null!");
         atomTypes = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
     }
 }
Exemplo n.º 12
0
 /// <summary>
 /// Creates a new instance.
 /// </summary>
 /// <param name="symbol">the atom symbol</param>
 /// <param name="builder"></param>
 public AliphaticSymbolAtom(string symbol, IChemObjectBuilder builder)
     : base(builder)
 {
     IsAromatic = true;
     Symbol     = symbol;
 }
Exemplo n.º 13
0
        /// <summary> Read the config from a text file.
        /// 
        /// </summary>
        /// <param name="configFile"> name of the config file
        /// </param>
        /// <param name="builder">    IChemObjectBuilder used to make IChemObject instances
        /// </param>
        private void readConfiguration(System.String fileName, IChemObjectBuilder builder)
        {
            //logger.info("Reading config file from ", fileName);

            System.IO.Stream ins = null;
            {
                //try to see if this is a resource
                //UPGRADE_ISSUE: Method 'java.lang.ClassLoader.getResourceAsStream' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassLoader'"
                //UPGRADE_ISSUE: Method 'java.lang.Class.getClassLoader' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassgetClassLoader'"
                ins = Assembly.GetExecutingAssembly().GetManifestResourceStream("NuGenCDKSharp." + fileName);
                if (ins == null)
                {
                    // try to see if this configFile is an actual file
                    System.IO.FileInfo file = new System.IO.FileInfo(fileName);
                    bool tmpBool;
                    if (System.IO.File.Exists(file.FullName))
                        tmpBool = true;
                    else
                        tmpBool = System.IO.Directory.Exists(file.FullName);
                    if (tmpBool)
                    {
                        //logger.debug("configFile is a File");
                        // what's next?
                        try
                        {
                            //UPGRADE_TODO: Constructor 'java.io.FileInputStream.FileInputStream' was converted to 'System.IO.FileStream.FileStream' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioFileInputStreamFileInputStream_javaioFile'"
                            ins = new System.IO.FileStream(file.FullName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
                        }
                        catch (System.Exception exception)
                        {
                            //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
                            //logger.error(exception.Message);
                            //logger.debug(exception);
                        }
                    }
                    else
                    {
                        //logger.error("no stream and no file");
                    }
                }
            }

            System.String format = XML_EXTENSION;
            if (fileName.EndsWith(TXT_EXTENSION))
            {
                format = TXT_EXTENSION;
            }
            else if (fileName.EndsWith(XML_EXTENSION))
            {
                format = XML_EXTENSION;
            }
            readConfiguration(ins, format, builder);
        }
Exemplo n.º 14
0
 /// <summary> Method to create a specialized AtomTypeFactory. Available lists in CDK are:
 /// <ul>
 /// <li>org/openscience/cdk/config/data/jmol_atomtypes.txt
 /// <li>org/openscience/cdk/config/data/mol2_atomtypes.xml
 /// <li>org/openscience/cdk/config/data/structgen_atomtypes.xml
 /// <li>org/openscience/cdk/config/data/valency_atomtypes.xml
 /// <li>org/openscience/cdk/config/data/mm2_atomtypes.xml
 /// <li>org/openscience/cdk/config/data/mmff94_atomtypes.xml
 /// </ul>
 /// 
 /// </summary>
 /// <param name="configFile">            String the name of the data file
 /// </param>
 /// <param name="builder">               IChemObjectBuilder used to make IChemObject instances
 /// </param>
 /// <returns>                        The AtomTypeFactory for the given data file
 /// </returns>
 /// <throws>  IOException            when the file cannot be read </throws>
 /// <throws>  ClassNotFoundException when the AtomTypeFactory cannot be found </throws>
 public static AtomTypeFactory getInstance(System.String configFile, IChemObjectBuilder builder)
 {
     if (tables == null)
     {
         tables = System.Collections.Hashtable.Synchronized(new System.Collections.Hashtable());
     }
     if (!(tables.ContainsKey(configFile)))
     {
         tables[configFile] = new AtomTypeFactory(configFile, builder);
     }
     return (AtomTypeFactory)tables[configFile];
 }
Exemplo n.º 15
0
 /// <summary> Method to create a default AtomTypeFactory, using the structgen atom type list.
 /// 
 /// </summary>
 /// <seealso cref="getInstance(String, IChemObjectBuilder)">
 /// </seealso>
 /// <param name="builder">               IChemObjectBuilder used to make IChemObject instances
 /// </param>
 /// <returns>                        The AtomTypeFactory for the given data file
 /// </returns>
 /// <throws>  IOException            when the file cannot be read </throws>
 /// <throws>  ClassNotFoundException when the AtomTypeFactory cannot be found </throws>
 public static AtomTypeFactory getInstance(IChemObjectBuilder builder)
 {
     return getInstance("structgen_atomtypes.xml", builder);
 }
Exemplo n.º 16
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 /// <summary>
 /// Creates a new instance
 /// </summary>
 public AromaticAtom(IChemObjectBuilder builder)
     : base(builder)
 {
     IsAromatic = true;
 }
        /// <summary>
        /// Initiate the MolecularFormulaGenerator.
        /// </summary>
        /// <param name="minMass">Lower boundary of the target mass range</param>
        /// <param name="maxMass">Upper boundary of the target mass range</param>
        /// <param name="mfRange">A range of elemental compositions defining the search space</param>
        /// <exception cref="ArgumentOutOfRangeException">In case some of the isotopes in mfRange has undefined exact mass or in case illegal parameters are provided (e.g.,             negative mass values or empty MolecularFormulaRange)</exception>
        /// <seealso cref="MolecularFormulaRange"/>
        public FullEnumerationFormulaGenerator(IChemObjectBuilder builder,
                                               double minMass, double maxMass,
                                               MolecularFormulaRange mfRange)
        {
            Trace.TraceInformation("Initiate MolecularFormulaGenerator, mass range " + minMass + "-" + maxMass);

            // Check parameter values
            if (minMass < 0.0)
            {
                throw (new ArgumentOutOfRangeException(nameof(minMass), "The minimum and maximum mass values must be >=0"));
            }
            if (maxMass < 0.0)
            {
                throw (new ArgumentOutOfRangeException(nameof(maxMass), "The minimum and maximum mass values must be >=0"));
            }

            if ((minMass > maxMass))
            {
                throw (new ArgumentException("Minimum mass must be <= maximum mass"));
            }

            if ((mfRange == null) || (mfRange.GetIsotopes().Count() == 0))
            {
                throw (new ArgumentException("The MolecularFormulaRange parameter must be non-null and must contain at least one isotope"));
            }

            // Save the parameters
            this.builder = builder;
            this.minMass = minMass;
            this.maxMass = maxMass;

            // Sort the elements by mass in ascending order. That speeds up
            // the search.
            var isotopesSet = new SortedSet <IIsotope>(
                new IIsotopeSorterByMass());

            foreach (IIsotope isotope in mfRange.GetIsotopes())
            {
                // Check if exact mass of each isotope is set
                if (isotope.ExactMass == null)
                {
                    throw new ArgumentException($"The exact mass value of isotope {isotope} is not set");
                }
                isotopesSet.Add(isotope);
            }
            isotopes = isotopesSet.ToArray();

            // Save the element counts from the provided MolecularFormulaRange
            minCounts = new int[isotopes.Length];
            maxCounts = new int[isotopes.Length];
            for (int i = 0; i < isotopes.Length; i++)
            {
                minCounts[i] = mfRange.GetIsotopeCountMin(isotopes[i]);
                maxCounts[i] = mfRange.GetIsotopeCountMax(isotopes[i]);

                // Update the maximum count according to the mass limit
                int maxCountAccordingToMass = (int)Math.Floor(maxMass
                                                              / isotopes[i].ExactMass.Value);
                if (maxCounts[i] > maxCountAccordingToMass)
                {
                    maxCounts[i] = maxCountAccordingToMass;
                }
            }

            // Set the current counters to minimal values, initially
            currentCounts = Arrays.CopyOf(minCounts, minCounts.Length);
        }
Exemplo n.º 18
0
        private IReaction ReadReaction(IChemObjectBuilder builder)
        {
            IReaction reaction = builder.NewReaction();

            ReadLine(); // first line should be $RXN
            ReadLine(); // second line
            ReadLine(); // third line
            ReadLine(); // fourth line

            int  reactantCount = 0;
            int  productCount  = 0;
            bool foundCOUNTS   = false;

            while (!foundCOUNTS)
            {
                string command = ReadCommand();
                if (command.StartsWith("COUNTS", StringComparison.Ordinal))
                {
                    var tokenizer = Strings.Tokenize(command);
                    try
                    {
                        reactantCount = int.Parse(tokenizer[1], NumberFormatInfo.InvariantInfo);
                        Trace.TraceInformation($"Expecting {reactantCount} reactants in file");
                        productCount = int.Parse(tokenizer[2], NumberFormatInfo.InvariantInfo);
                        Trace.TraceInformation($"Expecting {productCount } products in file");
                    }
                    catch (Exception exception)
                    {
                        Debug.WriteLine(exception);
                        throw new CDKException("Error while counts line of RXN file", exception);
                    }
                    foundCOUNTS = true;
                }
                else
                {
                    Trace.TraceWarning("Waiting for COUNTS line, but found: " + command);
                }
            }

            // now read the reactants
            for (int i = 1; i <= reactantCount; i++)
            {
                var    molFile             = new StringBuilder();
                string announceMDLFileLine = ReadCommand();
                if (!string.Equals(announceMDLFileLine, "BEGIN REACTANT", StringComparison.Ordinal))
                {
                    string error = "Excepted start of reactant, but found: " + announceMDLFileLine;
                    Trace.TraceError(error);
                    throw new CDKException(error);
                }
                string molFileLine = "";
                while (!molFileLine.EndsWith("END REACTANT", StringComparison.Ordinal))
                {
                    molFileLine = ReadLine();
                    molFile.Append(molFileLine);
                    molFile.Append('\n');
                }
                ;

                try
                {
                    // read MDL molfile content
                    MDLV3000Reader reader   = new MDLV3000Reader(new StringReader(molFile.ToString()), base.ReaderMode);
                    IAtomContainer reactant = (IAtomContainer)reader.Read(builder.NewAtomContainer());
                    reader.Close();

                    // add reactant
                    reaction.Reactants.Add(reactant);
                }
                catch (Exception exception)
                {
                    if (!(exception is ArgumentException ||
                          exception is CDKException ||
                          exception is IOException))
                    {
                        throw;
                    }
                    string error = "Error while reading reactant: " + exception.Message;
                    Trace.TraceError(error);
                    Debug.WriteLine(exception);
                    throw new CDKException(error, exception);
                }
            }

            // now read the products
            for (int i = 1; i <= productCount; i++)
            {
                var    molFile             = new StringBuilder();
                string announceMDLFileLine = ReadCommand();
                if (!string.Equals(announceMDLFileLine, "BEGIN PRODUCT", StringComparison.Ordinal))
                {
                    string error = "Excepted start of product, but found: " + announceMDLFileLine;
                    Trace.TraceError(error);
                    throw new CDKException(error);
                }
                string molFileLine = "";
                while (!molFileLine.EndsWith("END PRODUCT", StringComparison.Ordinal))
                {
                    molFileLine = ReadLine();
                    molFile.Append(molFileLine);
                    molFile.Append('\n');
                }
                ;

                try
                {
                    // read MDL molfile content
                    MDLV3000Reader reader  = new MDLV3000Reader(new StringReader(molFile.ToString()));
                    IAtomContainer product = (IAtomContainer)reader.Read(builder.NewAtomContainer());
                    reader.Close();

                    // add product
                    reaction.Products.Add(product);
                }
                catch (Exception exception)
                {
                    if (!(exception is ArgumentException ||
                          exception is CDKException ||
                          exception is IOException))
                    {
                        throw;
                    }
                    string error = "Error while reading product: " + exception.Message;
                    Trace.TraceError(error);
                    Debug.WriteLine(exception);
                    throw new CDKException(error, exception);
                }
            }

            return(reaction);
        }
Exemplo n.º 19
0
 /// <summary> Private constructor for the AtomTypeFactory singleton.
 /// 
 /// </summary>
 /// <exception cref="IOException">            Thrown if something goes wrong with reading the config
 /// </exception>
 /// <exception cref="ClassNotFoundException"> Thrown if a class was not found :-)
 /// </exception>
 private AtomTypeFactory(System.IO.Stream ins, System.String format, IChemObjectBuilder builder)
 {
     //if (//logger == null)
     //{
     //    //logger = new LoggingTool(this);
     //}
     atomTypes = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(100));
     readConfiguration(ins, format, builder);
 }
Exemplo n.º 20
0
 /// <summary>
 /// Creates a new instance.
 /// </summary>
 /// <param name="atomicNumber"></param>
 public AtomicNumberAtom(int atomicNumber, IChemObjectBuilder builder)
     : base(builder)
 {
     this.AtomicNumber = atomicNumber;
 }
 /// <summary>
 /// Constructs a new EnumerablePCCompoundXLReader that can read Molecule from a given Stream and IChemObjectBuilder.
 /// </summary>
 /// <param name="ins">The input stream</param>
 /// <param name="builder">The builder</param>
 /// <exception cref="Exception">if there is a problem creating a <see cref="StreamReader"/></exception>
 public EnumerablePCCompoundXMLReader(Stream ins, IChemObjectBuilder builder)
     : this(new StreamReader(ins), builder)
 {
 }
Exemplo n.º 22
0
        /// <summary> Read a Reaction from a file in MDL RXN format
        /// 
        /// </summary>
        /// <returns>  The Reaction that was read from the MDL file.
        /// </returns>
        private IReaction readReaction(IChemObjectBuilder builder)
        {
            IReaction reaction = builder.newReaction();
            try
            {
                input.ReadLine(); // first line should be $RXN
                input.ReadLine(); // second line
                input.ReadLine(); // third line
                input.ReadLine(); // fourth line
            }
            catch (System.IO.IOException exception)
            {
                //logger.debug(exception);
                throw new CDKException("Error while reading header of RXN file", exception);
            }

            int reactantCount = 0;
            int productCount = 0;
            try
            {
                System.String countsLine = input.ReadLine();
                /* this line contains the number of reactants
                and products */
                SupportClass.Tokenizer tokenizer = new SupportClass.Tokenizer(countsLine);
                reactantCount = System.Int32.Parse(tokenizer.NextToken());
                //logger.info("Expecting " + reactantCount + " reactants in file");
                productCount = System.Int32.Parse(tokenizer.NextToken());
                //logger.info("Expecting " + productCount + " products in file");
            }
            catch (System.Exception exception)
            {
                //logger.debug(exception);
                throw new CDKException("Error while counts line of RXN file", exception);
            }

            // now read the reactants
            try
            {
                for (int i = 1; i <= reactantCount; i++)
                {
                    System.Text.StringBuilder molFile = new System.Text.StringBuilder();
                    input.ReadLine(); // announceMDLFileLine
                    System.String molFileLine = "";
                    do
                    {
                        molFileLine = input.ReadLine();
                        molFile.Append(molFileLine);
                        molFile.Append("\n");
                    }
                    while (!molFileLine.Equals("M  END"));

                    // read MDL molfile content
                    MDLReader reader = new MDLReader(new StreamReader(molFile.ToString()));
                    IMolecule reactant = (IMolecule)reader.read(builder.newMolecule());

                    // add reactant
                    reaction.addReactant(reactant);
                }
            }
            catch (CDKException exception)
            {
                // rethrow exception from MDLReader
                throw exception;
            }
            catch (System.Exception exception)
            {
                //logger.debug(exception);
                throw new CDKException("Error while reading reactant", exception);
            }

            // now read the products
            try
            {
                for (int i = 1; i <= productCount; i++)
                {
                    System.Text.StringBuilder molFile = new System.Text.StringBuilder();
                    input.ReadLine(); // String announceMDLFileLine = 
                    System.String molFileLine = "";
                    do
                    {
                        molFileLine = input.ReadLine();
                        molFile.Append(molFileLine);
                        molFile.Append("\n");
                    }
                    while (!molFileLine.Equals("M  END"));

                    // read MDL molfile content
                    MDLReader reader = new MDLReader(new StreamReader(molFile.ToString()));
                    IMolecule product = (IMolecule)reader.read(builder.newMolecule());

                    // add reactant
                    reaction.addProduct(product);
                }
            }
            catch (CDKException exception)
            {
                // rethrow exception from MDLReader
                throw exception;
            }
            catch (System.Exception exception)
            {
                //logger.debug(exception);
                throw new CDKException("Error while reading products", exception);
            }

            // now try to map things, if wanted
            //logger.info("Reading atom-atom mapping from file");
            // distribute all atoms over two AtomContainer's
            IAtomContainer reactingSide = builder.newAtomContainer();
            IMolecule[] molecules = reaction.Reactants.Molecules;
            for (int i = 0; i < molecules.Length; i++)
            {
                reactingSide.add(molecules[i]);
            }
            IAtomContainer producedSide = builder.newAtomContainer();
            molecules = reaction.Products.Molecules;
            for (int i = 0; i < molecules.Length; i++)
            {
                producedSide.add(molecules[i]);
            }

            // map the atoms
            int mappingCount = 0;
            IAtom[] reactantAtoms = reactingSide.Atoms;
            IAtom[] producedAtoms = producedSide.Atoms;
            for (int i = 0; i < reactantAtoms.Length; i++)
            {
                for (int j = 0; j < producedAtoms.Length; j++)
                {
                    if (reactantAtoms[i].ID != null && reactantAtoms[i].ID.Equals(producedAtoms[j].ID))
                    {
                        reaction.addMapping(builder.newMapping(reactantAtoms[i], producedAtoms[j]));
                        mappingCount++;
                        break;
                    }
                }
            }
            //logger.info("Mapped atom pairs: " + mappingCount);

            return reaction;
        }
Exemplo n.º 23
0
        /// <summary>
        /// Build fingerprint
        /// </summary>
        /// <param name="mol"></param>

        public static BitSetFingerprint BuildBitSetFingerprint(
            IAtomContainer mol,
            FingerprintType fpType,
            int fpSubtype = -1,
            int fpLen     = -1)
        {
            // Data for Tanimoto similarity using various fingerprint types for CorpId 123456 query.
            // Cart - Standard MDL Oracle Cartridge scores
            //
            //                         Similarity Score
            //         ------------------------------------------------
            // Size ->        192    896   1024  1024   128  1024   320
            // CorpId     Cart  MACCS  PbChm  ECFP4 EXT  EState Basic Sbstr
            // ------  ----  ----   ----   ----  ----  ----	 ----  ----
            // 123456  0.99  1.00   1.00   1.00  1.00  1.00  1.00  1.00
            // 123456  0.99  0.98   0.96     0.77  0.95  1.00  0.95  1.00
            // 123456  0.99  0.98   0.96     0.77  0.95  1.00  0.94  1.00
            // 123456  0.99  1.00   1.00     1.00  1.00  1.00  1.00  1.00
            // 123456  0.99  1.00   1.00     1.00  1.00  1.00  1.00  1.00
            // 123456  0.99  0.91   1.00     0.81  1.00  1.00  1.00  1.00
            // 123456  0.98  0.95   1.00     0.74  0.92  1.00  0.93  0.94
            // 123456  0.98  1.00   1.00     1.00  1.00  1.00  1.00  1.00
            // 123456  0.98  1.00   1.00     1.00  1.00  1.00  1.00  1.00
            // 123456  0.98  1.00   0.83   0.76  0.77  0.90  0.76  0.94


            // LSH Bin Count - The number of LSH bins (of 25) that match the query bin values
            //--------------
            // CorpId     MAC  PbC ECFP EX
            // ------  ---  ---  --- ---
            // 123456   25   25   25  25
            // 123456	  25   20    7  16
            // 123456	  25   20    9  19
            // 123456	  25   25   25  25
            // 123456	  25   25   25  25
            // 123456	  20   25    9  25
            // 123456	  21   25   11  17
            // 123456	  25   25   25  25
            // 123456	  25   25   25  25
            // 123456	  25    9    6  11

            // Data for Tanimoto similarity using various Circular fingerprint types.
            // Using 2 molecules where the 2nd just has an added methyl group.
            //
            //  Measure      Score
            //  --------     -----
            //  ECFP0        1.00
            //  ECFP2         .88
            //  ECFP4         .75
            //  ECFP6         .64
            //  FCFP0        1.00
            //  FCFP2         .92
            //  FCFP4         .84
            //  FCFP6         .74

            IFingerprinter    ifptr = null;
            IBitFingerprint   ibfp  = null;
            BitSetFingerprint bfp   = null;
            BitSet            bs;
            IAtomContainer    mol2;
            string            s = "";

            DateTime t0 = DateTime.Now;
            double   getFptrTime = 0, buildFpTime = 0;

            if (fpType == FingerprintType.Basic)             // size = 1024
            {
                ifptr = new Fingerprinter();
            }

            else if (fpType == FingerprintType.Circular)             // size variable
            {
                int cfpClass = fpSubtype;
                if (cfpClass < CircularFingerprinter.CLASS_ECFP0 || cfpClass > CircularFingerprinter.CLASS_ECFP6)
                {
                    cfpClass = CircularFingerprintType.DefaultCircularClass;                     // default class
                }
                if (fpLen < 0)
                {
                    fpLen = CircularFingerprintType.DefaultCircularLength;                            // default length
                }
                ifptr = new CircularFingerprinter(cfpClass, fpLen);

                //CircularFingerprinter cfp = (CircularFingerprinter)ifptr;
                //ICountFingerprint cntFp = cfp.getCountFingerprint(mol); // debug
                //s = CircularFpToString(cfp); // debug
            }

            else if (fpType == FingerprintType.Extended)             // size = 1024
            {
                ifptr = new ExtendedFingerprinter();                 // use DEFAULT_SIZE and DEFAULT_SEARCH_DEPTH
            }

            else if (fpType == FingerprintType.EState)             // size = 128
            {
                ifptr = new EStateFingerprinter();                 // use DEFAULT_SIZE and DEFAULT_SEARCH_DEPTH
            }

            else if (fpType == FingerprintType.MACCS)             // size = 192
            {
                if (MACCSFp == null)
                {
                    MACCSFp = new MACCSFingerprinter();
                }

                ifptr = MACCSFp;
            }

            else if (fpType == FingerprintType.PubChem)             // size = 896
            {
                IChemObjectBuilder builder = DefaultChemObjectBuilder.getInstance();
                ifptr = new PubchemFingerprinter(builder);
            }

            else if (fpType == FingerprintType.ShortestPath)             // size =
            {
                ifptr = new ShortestPathFingerprinter();                 // fails with atom type issue for many structures (e.g. 123456)
            }

            else if (fpType == FingerprintType.Signature)             // size =
            {
                ifptr = new SignatureFingerprinter();                 // can't convert array fingerprint to bitsetfingerprint
            }

            else if (fpType == FingerprintType.Substructure)             // size = 320
            {
                ifptr = new SubstructureFingerprinter();
            }

            else
            {
                throw new Exception("Invalid CdkFingerprintType: " + fpType);
            }

            getFptrTime = TimeOfDay.Delta(ref t0);

            ibfp = ifptr.getBitFingerprint(mol);
            bfp  = (BitSetFingerprint)ibfp;

            buildFpTime = TimeOfDay.Delta(ref t0);

            //long size = bfp.size();
            //int card = bfp.cardinality();
            return(bfp);
        }
Exemplo n.º 24
0
 public virtual IMolecule readMolecule(IChemObjectBuilder builder)
 {
     return builder.newMolecule(readConnectionTable(builder));
 }
Exemplo n.º 25
0
 public TotalHCountAtom(int totalHCount, IChemObjectBuilder builder)
     : base(builder)
 {
     this.totalHCount = totalHCount;
 }
        /// <summary> Reads a text based configuration file.
        /// 
        /// </summary>
        /// <param name="builder">IChemObjectBuilder used to construct the IAtomType's.
        /// </param>
        /// <throws>         IOException when a problem occured with reading from the InputStream </throws>
        /// <returns>        A Vector with read IAtomType's.
        /// </returns>
        public virtual System.Collections.ArrayList readAtomTypes(IChemObjectBuilder builder)
        {
            System.Collections.ArrayList atomTypes = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));

            if (ins == null)
            {
                // trying the default
                //System.out.println("readAtomTypes getResourceAsStream:"
                //                   + configFile);
                //UPGRADE_ISSUE: Method 'java.lang.ClassLoader.getResourceAsStream' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassLoader'"
                //UPGRADE_ISSUE: Method 'java.lang.Class.getClassLoader' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassgetClassLoader'"
                ins = Assembly.GetExecutingAssembly().GetManifestResourceStream("NuGenCDKSharp." + configFile);
            }
            if (ins == null)
                throw new System.IO.IOException("There was a problem getting the default stream: " + configFile);

            // read the contents from file
            //UPGRADE_TODO: The differences in the expected value  of parameters for constructor 'java.io.BufferedReader.BufferedReader'  may cause compilation errors.  "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
            //UPGRADE_WARNING: At least one expression was used more than once in the target code. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1181'"
            System.IO.StreamReader reader = new System.IO.StreamReader(new System.IO.StreamReader(ins, System.Text.Encoding.Default).BaseStream, new System.IO.StreamReader(ins, System.Text.Encoding.Default).CurrentEncoding, false, 1024);
            SupportClass.Tokenizer tokenizer;
            System.String string_Renamed;

            while (true)
            {
                string_Renamed = reader.ReadLine();
                if (string_Renamed == null)
                {
                    break;
                }
                if (!string_Renamed.StartsWith("#"))
                {
                    System.String name = "";
                    System.String rootType = "";
                    int atomicNumber = 0, colorR = 0, colorG = 0, colorB = 0;
                    double mass = 0.0, vdwaals = 0.0, covalent = 0.0;
                    tokenizer = new SupportClass.Tokenizer(string_Renamed, "\t ,;");
                    int tokenCount = tokenizer.Count;

                    if (tokenCount == 9)
                    {
                        name = tokenizer.NextToken();
                        rootType = tokenizer.NextToken();
                        System.String san = tokenizer.NextToken();
                        System.String sam = tokenizer.NextToken();
                        System.String svdwaals = tokenizer.NextToken();
                        System.String scovalent = tokenizer.NextToken();
                        System.String sColorR = tokenizer.NextToken();
                        System.String sColorG = tokenizer.NextToken();
                        System.String sColorB = tokenizer.NextToken();

                        try
                        {
                            //UPGRADE_TODO: The differences in the format  of parameters for constructor 'java.lang.Double.Double'  may cause compilation errors.  "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
                            mass = System.Double.Parse(sam);
                            //UPGRADE_TODO: The differences in the format  of parameters for constructor 'java.lang.Double.Double'  may cause compilation errors.  "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
                            vdwaals = System.Double.Parse(svdwaals);
                            //UPGRADE_TODO: The differences in the format  of parameters for constructor 'java.lang.Double.Double'  may cause compilation errors.  "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
                            covalent = System.Double.Parse(scovalent);
                            atomicNumber = System.Int32.Parse(san);
                            colorR = System.Int32.Parse(sColorR);
                            colorG = System.Int32.Parse(sColorG);
                            colorB = System.Int32.Parse(sColorB);
                        }
                        catch (System.FormatException nfe)
                        {
                            throw new System.IO.IOException("AtomTypeTable.ReadAtypes: " + "Malformed Number");
                        }

                        IAtomType atomType = builder.newAtomType(name, rootType);
                        atomType.AtomicNumber = atomicNumber;
                        atomType.setExactMass(mass);
                        atomType.VanderwaalsRadius = vdwaals;
                        atomType.CovalentRadius = covalent;
                        System.Drawing.Color color = System.Drawing.Color.FromArgb(colorR, colorG, colorB);
                        atomType.setProperty("org.openscience.cdk.renderer.color", color);
                        atomTypes.Add(atomType);
                    }
                    else
                    {
                        throw new System.IO.IOException("AtomTypeTable.ReadAtypes: " + "Wrong Number of fields");
                    }
                }
            } // end while
            ins.Close();

            return atomTypes;
        }
Exemplo n.º 27
0
 /// <summary>
 /// Constructs an empty query bond.
 /// </summary>
 public QueryBond(IChemObjectBuilder builder)
 {
     this.builder = builder;
 }
Exemplo n.º 28
0
 /// <summary>
 /// Constructs a query bond with a single query bond order..
 /// </summary>
 /// <param name="atom1">the first Atom in the query bond</param>
 /// <param name="atom2">the second Atom in the query bond</param>
 /// <param name="order"></param>
 /// <param name="builder"></param>
 public QueryBond(IAtom atom1, IAtom atom2, BondOrder order, IChemObjectBuilder builder)
     : base(atom1, atom2, order)
 {
     this.builder = builder;
 }
Exemplo n.º 29
0
 /// <summary>
 /// Constructs a multi-center query bond, with undefined order and no stereo information.
 /// </summary>
 /// <param name="atoms">An array of IAtom containing the atoms constituting the query bond</param>
 public QueryBond(IAtom[] atoms, IChemObjectBuilder builder)
 {
     this.builder = builder;
     SetAtoms(atoms);
 }
Exemplo n.º 30
0
        //private LoggingTool //logger;

        /// <summary> Private constructor for the IsotopeFactory object.
        /// 
        /// </summary>
        /// <exception cref="IOException">            A problem with reading the isotopes.xml
        /// file
        /// </exception>
        /// <exception cref="OptionalDataException">  Unexpected data appeared in the isotope
        /// ObjectInputStream
        /// </exception>
        /// <exception cref="ClassNotFoundException"> A problem instantiating the isotopes
        /// </exception>
        private IsotopeFactory(IChemObjectBuilder builder)
        {
            //logger = new LoggingTool(this);
            //logger.info("Creating new IsotopeFactory");

            System.IO.Stream ins = null;
            // ObjIn in = null;
            System.String errorMessage = "There was a problem getting org.openscience.cdk." + "config.isotopes.xml as a stream";
            try
            {
                System.String configFile = "isotopes.xml";
                //if (debug)
                    //logger.debug("Getting stream for ", configFile);
                //UPGRADE_ISSUE: Method 'java.lang.ClassLoader.getResourceAsStream' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassLoader'"
                //UPGRADE_ISSUE: Method 'java.lang.Class.getClassLoader' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javalangClassgetClassLoader'"
                ins = Assembly.GetExecutingAssembly().GetManifestResourceStream("NuGenCDKSharp." + configFile);
                    //this.GetType().getClassLoader().getResourceAsStream(configFile);
            }
            catch (System.Exception exception)
            {
                //logger.error(errorMessage);
                //logger.debug(exception);
                throw new System.IO.IOException(errorMessage);
            }
            if (ins == null)
            {
                //logger.error(errorMessage);
                throw new System.IO.IOException(errorMessage);
            }
            IsotopeReader reader = new IsotopeReader(ins, builder);
            //in = new ObjIn(ins, new Config().aliasID(false));
            //isotopes = (Vector) in.readObject();
            isotopes = reader.readIsotopes();
            //if (debug)
                //logger.debug("Found #isotopes in file: ", isotopes.Count);
            /* for (int f = 0; f < isotopes.size(); f++) {
            Isotope isotope = (Isotope)isotopes.elementAt(f);
            } What's this loop for?? */

            majorIsotopes = System.Collections.Hashtable.Synchronized(new System.Collections.Hashtable());
        }
Exemplo n.º 31
0
 /// <summary>
 /// Constructs a multi-center query bond, with a specified order and no stereo information.
 /// </summary>
 /// <param name="atoms">An array of IAtom containing the atoms constituting the query bond</param>
 /// <param name="order">The order of the query bond</param>
 public QueryBond(IAtom[] atoms, BondOrder order, IChemObjectBuilder builder)
 {
     this.builder = builder;
     SetAtoms(atoms);
     this.order = order;
 }
Exemplo n.º 32
0
 public Convertor(IChemObjectBuilder builder)
 {
     this.builder = builder;
 }
Exemplo n.º 33
0
 /// <summary>
 /// Constructs a query bond with a given order and stereo orientation from an array of atoms.
 /// </summary>
 /// <param name="atom1">the first Atom in the query bond</param>
 /// <param name="atom2">the second Atom in the query bond</param>
 /// <param name="order">the query bond order</param>
 /// <param name="stereo">a descriptor the stereochemical orientation of this query bond</param>
 public QueryBond(IAtom atom1, IAtom atom2, BondOrder order, BondStereo stereo, IChemObjectBuilder builder)
 {
     this.builder = builder;
     SetAtoms(new[] { atom1, atom2 });
     this.order  = order;
     this.stereo = stereo;
 }
Exemplo n.º 34
0
 /// <summary> Constructs a new AtomTypeHandler and will create IAtomType
 /// implementations using the given IChemObjectBuilder.
 /// 
 /// </summary>
 /// <param name="build">The IChemObjectBuilder used to create the IAtomType's.
 /// </param>
 public AtomTypeHandler(IChemObjectBuilder build)
 {
     //logger = new LoggingTool(this);
     builder = build;
 }
Exemplo n.º 35
0
        private IReaction readReaction(IChemObjectBuilder builder)
        {
            IReaction reaction = builder.newReaction();
            readLine(); // first line should be $RXN
            readLine(); // second line
            readLine(); // third line
            readLine(); // fourth line

            int reactantCount = 0;
            int productCount = 0;
            bool foundCOUNTS = false;
            while (Ready && !foundCOUNTS)
            {
                System.String command = readCommand();
                if (command.StartsWith("COUNTS"))
                {
                    SupportClass.Tokenizer tokenizer = new SupportClass.Tokenizer(command);
                    try
                    {
                        tokenizer.NextToken();
                        reactantCount = System.Int32.Parse(tokenizer.NextToken());
                        //logger.info("Expecting " + reactantCount + " reactants in file");
                        productCount = System.Int32.Parse(tokenizer.NextToken());
                        //logger.info("Expecting " + productCount + " products in file");
                    }
                    catch (System.Exception exception)
                    {
                        //logger.debug(exception);
                        throw new CDKException("Error while counts line of RXN file", exception);
                    }
                    foundCOUNTS = true;
                }
                else
                {
                    //logger.warn("Waiting for COUNTS line, but found: " + command);
                }
            }

            // now read the reactants
            for (int i = 1; i <= reactantCount; i++)
            {
                System.Text.StringBuilder molFile = new System.Text.StringBuilder();
                System.String announceMDLFileLine = readCommand();
                if (!announceMDLFileLine.Equals("BEGIN REACTANT"))
                {
                    System.String error = "Excepted start of reactant, but found: " + announceMDLFileLine;
                    //logger.error(error);
                    throw new CDKException(error);
                }
                System.String molFileLine = "";
                while (!molFileLine.EndsWith("END REACTANT"))
                {
                    molFileLine = readLine();
                    molFile.Append(molFileLine);
                    molFile.Append("\n");
                };

                try
                {
                    // read MDL molfile content
                    MDLV3000Reader reader = new MDLV3000Reader(new StreamReader(molFile.ToString()));
                    IMolecule reactant = (IMolecule)reader.read(builder.newMolecule());

                    // add reactant
                    reaction.addReactant(reactant);
                }
                catch (System.Exception exception)
                {
                    //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
                    System.String error = "Error while reading reactant: " + exception.Message;
                    //logger.error(error);
                    //logger.debug(exception);
                    throw new CDKException(error, exception);
                }
            }

            // now read the products
            for (int i = 1; i <= productCount; i++)
            {
                System.Text.StringBuilder molFile = new System.Text.StringBuilder();
                System.String announceMDLFileLine = readCommand();
                if (!announceMDLFileLine.Equals("BEGIN PRODUCT"))
                {
                    System.String error = "Excepted start of product, but found: " + announceMDLFileLine;
                    //logger.error(error);
                    throw new CDKException(error);
                }
                System.String molFileLine = "";
                while (!molFileLine.EndsWith("END PRODUCT"))
                {
                    molFileLine = readLine();
                    molFile.Append(molFileLine);
                    molFile.Append("\n");
                };

                try
                {
                    // read MDL molfile content
                    MDLV3000Reader reader = new MDLV3000Reader(new StreamReader(molFile.ToString()));
                    IMolecule product = (IMolecule)reader.read(builder.newMolecule());

                    // add product
                    reaction.addProduct(product);
                }
                catch (System.Exception exception)
                {
                    //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
                    System.String error = "Error while reading product: " + exception.Message;
                    //logger.error(error);
                    //logger.debug(exception);
                    throw new CDKException(error, exception);
                }
            }

            return reaction;
        }