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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
*/
package petascope.wcps.server.core;
import petascope.wcps.server.exceptions.WCPSException;
import org.w3c.dom.*;
public class ComplexConstant implements IRasNode {
private String re, im;
public ComplexConstant(String str) throws WCPSException {
boolean ok = true;
// We only accept the following String representation of a complex number: {re,im}
if (str.startsWith("{") && str.endsWith("}")) {
str = str.substring(1, str.length() - 2);
if (str.indexOf(",") != -1 && str.lastIndexOf(",") != str.indexOf(",")) {
int comma = str.indexOf(",");
re = str.substring(0, comma - 1);
im = str.substring(comma + 1, str.length() - comma - 1);
} else {
ok = false;
}
} else {
ok = false;
}
if (ok == false) {
throw new WCPSException("Could not parse Complex Constant !");
}
// parse the real part
try {
Integer real = Integer.parseInt(re);
} catch (NumberFormatException e) {
try {
Float real = Float.parseFloat(re);
} catch (NumberFormatException e2) {
throw new WCPSException("Could not parse float or integer "
+ "number for real part of complex number:" + re);
}
}
// parse the imaginary part
try {
Integer imag = Integer.parseInt(im);
} catch (NumberFormatException e) {
try {
Float imag = Float.parseFloat(im);
} catch (NumberFormatException e2) {
throw new WCPSException("Could not parse float or integer "
+ "number for imaginary part of complex number" + im);
}
}
}
public ComplexConstant(Node node, XmlQuery xq) throws WCPSException {
System.err.println("Parsing complex constant: " + node.getNodeName());
while ((node != null) && node.getNodeName().equals("#text")) {
node = node.getNextSibling();
}
while (node != null) {
String name = node.getNodeName();
if (name.equals("re")) {
re = node.getNodeValue();
} else if (name.equals("im")) {
im = node.getNodeValue();
} else {
throw new WCPSException("Unknown node while processing complex constant: " + name);
}
node = node.getNextSibling();
}
// parse the real part
try {
Integer real = Integer.parseInt(re);
} catch (NumberFormatException e) {
try {
Float real = Float.parseFloat(re);
} catch (NumberFormatException e2) {
throw new WCPSException("Could not parse float or integer "
+ "number for real part of complex number:" + re);
}
}
// parse the imaginary part
try {
Integer imag = Integer.parseInt(im);
} catch (NumberFormatException e) {
try {
Float imag = Float.parseFloat(im);
} catch (NumberFormatException e2) {
throw new WCPSException("Could not parse float or integer "
+ "number for imaginary part of complex number" + im);
}
}
}
public String toRasQL() {
return "complex ( " + re + ", " + im + " ) ";
}
}
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