private IChemFile readChemFile() throws CDKException {
IChemSequence seq = file.getBuilder().newChemSequence();
IChemModel model = file.getBuilder().newChemModel();
IMoleculeSet containerSet = file.getBuilder().newMoleculeSet();
IMolecule container = file.getBuilder().newMolecule();
int lineNumber = 0;
try {
String line = input.readLine();
while (input.ready() && line != null) {
logger.debug((lineNumber++) + ": ", line);
String command = null;
if (isCommand(line)) {
command = getCommand(line);
int lineCount = getContentLinesCount(line);
if ("ATOMS".equals(command)) {
processAtomsBlock(lineCount, container);
} else if ("BONDS".equals(command)) {
processBondsBlock(lineCount, container);
} else if ("IDENT".equals(command)) {
processIdentBlock(lineCount, container);
} else if ("NAME".equals(command)) {
processNameBlock(lineCount, container);
} else {
// skip lines
logger.warn("Dropping block: ", command);
for (int i = 0; i < lineCount; i++) input.readLine();
}
} else {
logger.warn("Unexpected content at line: ", lineNumber);
}
line = input.readLine();
}
containerSet.addAtomContainer(container);
model.setMoleculeSet(containerSet);
seq.addChemModel(model);
file.addChemSequence(seq);
} catch (Exception exception) {
String message = "Error while parsing CTX file: " + exception.getMessage();
logger.error(message);
logger.debug(exception);
throw new CDKException(message, exception);
}
return file;
}
/**
* Procedure required by the CDOInterface. This function is only supposed to be called by the JCFL
* library
*/
public void setObjectProperty(String objectType, String propertyType, String propertyValue) {
logger.debug("objectType: " + objectType);
logger.debug("propType: " + propertyType);
logger.debug("property: " + propertyValue);
if (objectType == null) {
logger.error("Cannot add property for null object");
return;
}
if (propertyType == null) {
logger.error("Cannot add property for null property type");
return;
}
if (propertyValue == null) {
logger.warn("Will not add null property");
return;
}
if (objectType.equals("Molecule")) {
if (propertyType.equals("id")) {
currentMolecule.setID(propertyValue);
} else if (propertyType.equals("inchi")) {
currentMolecule.setProperty("iupac.nist.chemical.identifier", propertyValue);
}
} else if (objectType.equals("PseudoAtom")) {
if (propertyType.equals("label")) {
if (!(currentAtom instanceof IPseudoAtom)) {
currentAtom = builder.newPseudoAtom(currentAtom);
}
((IPseudoAtom) currentAtom).setLabel(propertyValue);
}
} else if (objectType.equals("Atom")) {
if (propertyType.equals("type")) {
if (propertyValue.equals("R") && !(currentAtom instanceof IPseudoAtom)) {
currentAtom = builder.newPseudoAtom(currentAtom);
}
currentAtom.setSymbol(propertyValue);
} else if (propertyType.equals("x2")) {
Point2d coord = currentAtom.getPoint2d();
if (coord == null) coord = new Point2d();
coord.x = Double.parseDouble(propertyValue);
currentAtom.setPoint2d(coord);
} else if (propertyType.equals("y2")) {
Point2d coord = currentAtom.getPoint2d();
if (coord == null) coord = new Point2d();
coord.y = Double.parseDouble(propertyValue);
currentAtom.setPoint2d(coord);
} else if (propertyType.equals("x3")) {
Point3d coord = currentAtom.getPoint3d();
if (coord == null) coord = new Point3d();
coord.x = Double.parseDouble(propertyValue);
currentAtom.setPoint3d(coord);
} else if (propertyType.equals("y3")) {
Point3d coord = currentAtom.getPoint3d();
if (coord == null) coord = new Point3d();
coord.y = Double.parseDouble(propertyValue);
currentAtom.setPoint3d(coord);
} else if (propertyType.equals("z3")) {
Point3d coord = currentAtom.getPoint3d();
if (coord == null) coord = new Point3d();
coord.z = Double.parseDouble(propertyValue);
currentAtom.setPoint3d(coord);
} else if (propertyType.equals("xFract")) {
Point3d coord = currentAtom.getFractionalPoint3d();
if (coord == null) coord = new Point3d();
coord.x = Double.parseDouble(propertyValue);
currentAtom.setFractionalPoint3d(coord);
} else if (propertyType.equals("yFract")) {
Point3d coord = currentAtom.getFractionalPoint3d();
if (coord == null) coord = new Point3d();
coord.y = Double.parseDouble(propertyValue);
currentAtom.setFractionalPoint3d(coord);
} else if (propertyType.equals("zFract")) {
Point3d coord = currentAtom.getFractionalPoint3d();
if (coord == null) coord = new Point3d();
coord.z = Double.parseDouble(propertyValue);
currentAtom.setFractionalPoint3d(coord);
} else if (propertyType.equals("formalCharge")) {
currentAtom.setFormalCharge(Integer.parseInt(propertyValue));
} else if (propertyType.equals("charge") || propertyType.equals("partialCharge")) {
currentAtom.setCharge(Double.parseDouble(propertyValue));
} else if (propertyType.equals("hydrogenCount")) {
currentAtom.setHydrogenCount(Integer.parseInt(propertyValue));
} else if (propertyType.equals("dictRef")) {
currentAtom.setProperty("org.openscience.cdk.dict", propertyValue);
} else if (propertyType.equals("atomicNumber")) {
currentAtom.setAtomicNumber(Integer.parseInt(propertyValue));
} else if (propertyType.equals("massNumber")) {
currentAtom.setMassNumber((int) Double.parseDouble(propertyValue));
} else if (propertyType.equals("id")) {
logger.debug("id: ", propertyValue);
currentAtom.setID(propertyValue);
atomEnumeration.put(propertyValue, numberOfAtoms);
}
} else if (objectType.equals("Bond")) {
if (propertyType.equals("atom1")) {
bond_a1 = Integer.parseInt(propertyValue);
} else if (propertyType.equals("atom2")) {
bond_a2 = Integer.parseInt(propertyValue);
} else if (propertyType.equals("id")) {
logger.debug("id: " + propertyValue);
bond_id = propertyValue;
} else if (propertyType.equals("order")) {
try {
Double order = Double.parseDouble(propertyValue);
if (order == 1.0) {
bond_order = IBond.Order.SINGLE;
} else if (order == 2.0) {
bond_order = IBond.Order.DOUBLE;
} else if (order == 3.0) {
bond_order = IBond.Order.TRIPLE;
} else if (order == 4.0) {
bond_order = IBond.Order.QUADRUPLE;
} else {
bond_order = IBond.Order.SINGLE;
}
} catch (Exception e) {
logger.error("Cannot convert to double: " + propertyValue);
bond_order = IBond.Order.SINGLE;
}
} else if (propertyType.equals("stereo")) {
if (propertyValue.equals("H")) {
bond_stereo = CDKConstants.STEREO_BOND_DOWN;
} else if (propertyValue.equals("W")) {
bond_stereo = CDKConstants.STEREO_BOND_UP;
}
}
}
logger.debug("Object property set...");
}