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Open Source Chemistry Library
/*
* Copyright (c) 1997 - 2016
* Actelion Pharmaceuticals Ltd.
* Gewerbestrasse 16
* CH-4123 Allschwil, Switzerland
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of the the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @author Thomas Sander
*/
package com.actelion.research.chem.io;
import com.actelion.research.chem.descriptor.DescriptorConstants;
import com.actelion.research.chem.descriptor.DescriptorHandlerLongFFP512;
import com.actelion.research.chem.descriptor.DescriptorHandlerStandard2DFactory;
import com.actelion.research.chem.descriptor.DescriptorHelper;
import com.actelion.research.io.BOMSkipper;
import com.actelion.research.util.BinaryDecoder;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Properties;
import java.util.TreeMap;
public class DWARFileParser extends CompoundFileParser implements DescriptorConstants,CompoundTableConstants {
public static final int MODE_COORDINATES_PREFER_2D = 1;
public static final int MODE_COORDINATES_PREFER_3D = 2;
public static final int MODE_COORDINATES_REQUIRE_2D = 3;
public static final int MODE_COORDINATES_REQUIRE_3D = 4;
private static final int MODE_COORDINATE_MASK = 7;
public static final int MODE_BUFFER_HEAD_AND_TAIL = 8;
public static final int MODE_EXTRACT_DETAILS = 16;
private String[] mFieldName;
private String[] mFieldData;
private String mLine,mCoordinate3DColumnName;
private int[] mFieldIndex;
private int mRecordCount,mMode;
private int mIDCodeColumn,mCoordinateColumn,mCoordinate2DColumn,mCoordinate3DColumn,
mMoleculeNameColumn,mFragFpColumn;
private TreeMap mColumnPropertyMap;
private TreeMap mSpecialFieldMap;
private TreeMap mDescriptorColumnMap;
private ArrayList mHeadOrTailLineList;
private HashMap mDetails;
/**
* Constructs a DWARFileParser from a file name with coordinate mode MODE_COORDINATES_PREFER_2D.
* @param fileName
*/
public DWARFileParser(String fileName) {
try {
mReader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), StandardCharsets.UTF_8));
BOMSkipper.skip(mReader);
mMode = MODE_COORDINATES_PREFER_2D;
init();
}
catch (IOException e) {
mReader = null;
}
}
/**
* Constructs a DWARFileParser from a File with coordinate mode MODE_COORDINATES_PREFER_2D.
* @param file
*/
public DWARFileParser(File file) {
try {
mReader = new BufferedReader(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8));
BOMSkipper.skip(mReader);
mMode = MODE_COORDINATES_PREFER_2D;
init();
}
catch (IOException e) {
mReader = null;
}
}
/**
* Constructs a DWARFileParser from a Reader with coordinate mode MODE_COORDINATES_PREFER_2D.
* @param reader
*/
public DWARFileParser(Reader reader) {
try {
mReader = (reader instanceof BufferedReader) ? (BufferedReader)reader : new BufferedReader(reader);
mMode = MODE_COORDINATES_PREFER_2D;
init();
}
catch (IOException e) {
mReader = null;
}
}
/**
* Constructs a DWARFileParser from a file name with the specified coordinate mode.
* @param fileName
* @param mode one of 4 MODE_COORDINATE... modes
*/
public DWARFileParser(String fileName, int mode) {
try {
mReader = new BufferedReader(new InputStreamReader(new FileInputStream(fileName), StandardCharsets.UTF_8));
BOMSkipper.skip(mReader);
mMode = mode;
init();
}
catch (IOException e) {
mReader = null;
}
}
/**
* Constructs a DWARFileParser from a File with the specified coordinate mode.
* @param file
* @param mode one of 4 MODE_COORDINATE... modes
*/
public DWARFileParser(File file, int mode) {
try {
mReader = new BufferedReader(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8));
BOMSkipper.skip(mReader);
mMode = mode;
init();
}
catch (IOException e) {
mReader = null;
}
}
/**
* Constructs a DWARFileParser from a Reader with the specified coordinate mode.
* @param reader
* @param mode one of 4 MODE_COORDINATE... modes
*/
public DWARFileParser(Reader reader, int mode) {
try {
mReader = (reader instanceof BufferedReader) ? (BufferedReader)reader : new BufferedReader(reader);
mMode = mode;
init();
}
catch (IOException e) {
mReader = null;
}
}
private String readHeadOrTailLine() throws IOException {
String line = mReader.readLine();
if ((mMode & MODE_BUFFER_HEAD_AND_TAIL) != 0 && line != null)
mHeadOrTailLineList.add(line);
return line;
}
private void init() throws IOException {
setDescriptorHandlerFactory(DescriptorHandlerStandard2DFactory.getFactory());
if ((mMode & MODE_BUFFER_HEAD_AND_TAIL) != 0)
mHeadOrTailLineList = new ArrayList<>();
int coordinateMode = mMode & MODE_COORDINATE_MASK;
String line = readHeadOrTailLine();
if (line == null
|| !line.equals(cNativeFileHeaderStart))
throw new IOException("no header found");
mRecordCount = -1;
line = readHeadOrTailLine();
while (line != null
&& !line.equals(cNativeFileHeaderEnd)) {
if (line.startsWith("<"+cNativeFileVersion)) {
String version = extractValue(line);
if (!version.startsWith("3.")
&& !version.equals(""))
throw new IOException("unsupported .dwar file version");
}
else if (line.startsWith("<"+cNativeFileRowCount)) {
try {
mRecordCount = Integer.parseInt(extractValue(line));
}
catch (NumberFormatException e) {}
}
line = readHeadOrTailLine();
}
line = readHeadOrTailLine();
while (line != null
&& (line.equals(cFileExplanationStart)
|| line.equals(cMacroListStart))) {
line = readHeadOrTailLine();
while (line != null
&& !line.equals(cFileExplanationEnd)
&& !line.equals(cMacroListEnd))
line = readHeadOrTailLine();
line = readHeadOrTailLine();
}
mColumnPropertyMap = new TreeMap<>();
if (line != null
&& line.equals(cColumnPropertyStart)) {
line = readHeadOrTailLine();
String columnName = null;
while (line != null
&& !line.equals(cColumnPropertyEnd)) {
if (line.startsWith("<"+cColumnName)) {
columnName = extractValue(line);
mColumnPropertyMap.put(columnName, new Properties());
}
else if (line.startsWith("<"+cColumnProperty)) {
String[] property = extractValue(line).split("\\t");
if(property.length==1) {
mColumnPropertyMap.get(columnName).setProperty(property[0],"");
}
else {
mColumnPropertyMap.get(columnName).setProperty(property[0], property[1]);
}
}
line = readHeadOrTailLine();
}
line = readHeadOrTailLine();
}
mSpecialFieldMap = new TreeMap<>(); // only take those columns that have a special type
for (String columnName:mColumnPropertyMap.keySet()) {
Properties properties = mColumnPropertyMap.get(columnName);
String specialType = properties.getProperty(cColumnPropertySpecialType);
if (specialType != null)
mSpecialFieldMap.put(columnName, new SpecialField(
columnName,
specialType,
properties.getProperty(cColumnPropertyParentColumn),
properties.getProperty(cColumnPropertyRelatedIdentifierColumn),
properties.getProperty(cColumnPropertyDescriptorVersion)
));
}
ArrayList columnNameList = new ArrayList();
ArrayList columnIndexList = new ArrayList();
if (line == null)
throw new IOException("unexpected end of file");
int fromIndex = 0;
int toIndex = 0;
int sourceColumn = 0;
do {
String columnName;
toIndex = line.indexOf('\t', fromIndex);
if (toIndex == -1) {
columnName = line.substring(fromIndex);
}
else {
columnName = line.substring(fromIndex, toIndex);
fromIndex = toIndex+1;
}
if (mSpecialFieldMap.containsKey(columnName)) {
mSpecialFieldMap.get(columnName).fieldIndex = sourceColumn;
}
else {
columnNameList.add(columnName);
columnIndexList.add(new Integer(sourceColumn));
}
sourceColumn++;
} while (toIndex != -1);
mFieldName = new String[columnNameList.size()];
mFieldIndex = new int[columnNameList.size()];
for (int i=0; i specialColumn.fieldIndex)
idcodeColumn = specialColumn;
}
}
}
if (idcodeColumn != null) {
if (idcodeColumn.idColumn != null) {
for (int i=0; i();
mDescriptorColumnMap.put(specialColumn.type, new Integer(specialColumn.fieldIndex));
}
}
}
if (mCoordinate2DColumn != -1
&& (coordinateMode == MODE_COORDINATES_REQUIRE_2D
|| coordinateMode == MODE_COORDINATES_PREFER_2D
|| (coordinateMode == MODE_COORDINATES_PREFER_3D && mCoordinate3DColumn == -1)))
mCoordinateColumn = mCoordinate2DColumn;
if (mCoordinate3DColumn != -1
&& (coordinateMode == MODE_COORDINATES_REQUIRE_3D
|| coordinateMode == MODE_COORDINATES_PREFER_3D
|| (coordinateMode == MODE_COORDINATES_PREFER_2D && mCoordinate2DColumn == -1)))
mCoordinateColumn = mCoordinate3DColumn;
}
}
/**
* If you don't read any records after calling this method,
* don't forget to call close() to close the underlying file.
* @return whether the file contains chemical structures
*/
public boolean hasStructures() {
return (mIDCodeColumn != -1);
}
/**
* @return whether the file contains chemical structures with explicit atom coordinates
*/
public boolean hasStructureCoordinates() {
return (mCoordinateColumn != -1);
}
/**
* @return whether the file contains chemical structures with explicit atom coordinates
*/
public boolean hasStructureCoordinates2D() {
return (mCoordinate2DColumn != -1);
}
/**
* @return whether the file contains chemical structures with explicit atom coordinates
*/
public boolean hasStructureCoordinates3D() {
return (mCoordinate3DColumn != -1);
}
public String getStructureCoordinates3DColumnName() {
return mCoordinate3DColumnName;
}
public String[] getFieldNames() {
return mFieldName;
}
/**
* @param columnName
* @return field index for special fields, e.g. to be used for getSpecialFieldData()
*/
public int getSpecialFieldIndex(String columnName) {
for (SpecialField sf:mSpecialFieldMap.values())
if (columnName.equals(sf.name))
return sf.fieldIndex;
return -1;
}
/**
* @param parentColumnName
* @param childType
* @return field index for special fields, e.g. to be used for getSpecialFieldData()
*/
public int getChildFieldIndex(String parentColumnName, String childType) {
for (SpecialField sf:mSpecialFieldMap.values())
if (parentColumnName.equals(sf.parent) && childType.equals(sf.type))
return sf.fieldIndex;
return -1;
}
public int getRowCount() {
return mRecordCount;
}
/**
* Provided that the mode contains MODE_BUFFER_HEAD_AND_TAIL, then this method
* returns a list of all header/footer rows of the DWAR file. If this method is
* called before all rows have been read, then the header lines including column
* properties and the column title line are returned. If this method is
* called after all rows have been read, then all lines after the data table, i.e. the
* runtime properties, are returned.
* @return
*/
public ArrayList getHeadOrTail() {
return mHeadOrTailLineList;
}
/**
* Provided that the mode contains MODE_EXTRACT_DETAILS, then this method
* returns a map of all embedded detail objects of the DWAR file.
* This method must not be called before all rows have been read.
* @return
*/
public HashMap getDetails() {
return mDetails;
}
/**
* Returns the entire line containing all row data
* @return
*/
public String getRow() {
return mLine;
}
protected boolean advanceToNext() {
if (mReader == null)
return false;
mLine = null;
try {
mLine = mReader.readLine();
if (mLine == null
|| mLine.equals(cPropertiesStart)
|| mLine.equals(cHitlistDataStart)
|| mLine.equals(cDetailDataStart)
|| mLine.startsWith(cDataDependentPropertiesStart)) {
if ((mMode & MODE_BUFFER_HEAD_AND_TAIL) != 0) {
mHeadOrTailLineList.clear();
mHeadOrTailLineList.add(mLine);
}
while (mLine != null) {
if (mLine.equals(cDetailDataStart)
&& (mMode & MODE_EXTRACT_DETAILS) != 0)
extractDetails();
mLine = readHeadOrTailLine();
}
mReader.close();
return false;
}
}
catch (IOException e) {
return false;
}
int column = 0;
int index1 = 0;
int index2 = mLine.indexOf('\t');
while (index2 != -1) {
if (column();
try {
while (true) {
String theLine = readHeadOrTailLine();
if (theLine == null
|| theLine.equals(cDetailDataEnd)) {
break;
}
if (theLine.startsWith("<"+cDetailID)) {
String detailID = extractValue(theLine);
BinaryDecoder decoder = new BinaryDecoder(mReader);
int size = decoder.initialize(8);
byte[] detailData = new byte[size];
for (int i=0; iSpecialField map of all non-alphanumerical columns.
* SpecialField.type is one of the types defined in CompoundTableConstants:
* cColumnTypeIDCode,cColumnTypeRXNCode,cColumnType2DCoordinates,cColumnType3DCoordinates,
* cColumnTypeAtomColorInfo, and descriptor shortNames;
* @return special fields
*/
public TreeMap getSpecialFieldMap() {
return mSpecialFieldMap;
}
/**
* @param fieldIndex is available from special-field-TreeMap by getSpecialFieldMap().get(columnName).fieldIndex
* @return String encoded data content of special field, e.g. idcode
*/
public String getSpecialFieldData(int fieldIndex) {
return mFieldData[fieldIndex];
}
/**
* Returns the original column properties of any source column by column name.
* @param columnName
* @return
*/
public Properties getColumnProperties(String columnName) {
return mColumnPropertyMap.get(columnName);
}
private String extractValue(String theLine) {
int index1 = theLine.indexOf("=\"") + 2;
int index2 = theLine.indexOf("\"", index1);
return theLine.substring(index1, index2);
}
public class SpecialField {
public String name;
public String type;
public String parent;
public String idColumn;
public String version;
public int fieldIndex;
public SpecialField(String name, String type, String parent, String idColumn, String version) {
this.name = name;
this.type = type;
this.parent = parent;
this.idColumn = idColumn;
this.version = version;
this.fieldIndex = -1;
}
}
}