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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 - 2010 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.exceptions.WCPSException;
import org.w3c.dom.*;
public class DimensionPointElement implements IRasNode {
private IRasNode domain, child;
private AxisName axis;
private Crs crs;
private boolean finished = false;
private Node nextNode;
public DimensionPointElement(Node node, XmlQuery xq)
throws WCPSException {
System.err.println("Trying to parse DimensionPointElement expression...");
String name;
while ((node != null) && node.getNodeName().equals("#text")) {
node = node.getNextSibling();
}
while (node != null && finished == false) {
if (node.getNodeName().equals("#text")) {
node = node.getNextSibling();
continue;
}
name = node.getNodeName();
System.err.println("Current node is " + name);
// Try Axis
try {
axis = new AxisName(node, xq);
node = node.getNextSibling();
continue;
} catch (WCPSException e) {
System.err.println("Failed to parse an axis!");
}
// Try CRS name
try {
crs = new Crs(node, xq);
node = node.getNextSibling();
if (axis == null) {
throw new WCPSException("Expected Axis node before CRS !");
}
continue;
} catch (WCPSException e) {
System.err.println("Failed to parse a crs!");
}
// TODO: how to implement DomainMetadataExpr ?
// // Try last thing
// try
// {
// domain1 = new DomainMetadataExprType(node, xq);
// counter = 1;
// continue;
// }
// catch (WCPSException e)
// {
// System.err.println("Failed to parse domain metadata!");
// }
// Then it must be a "slicingPosition"
if (node.getNodeName().equals("slicingPosition")) {
domain = new ScalarExpr(node.getFirstChild(), xq);
if (axis == null) {
throw new WCPSException("Expected <axis> node before <slicingPosition> !");
}
} else {
throw new WCPSException("Unexpected node: " + node.getFirstChild().getNodeName());
}
if (axis != null && domain != null) {
finished = true;
}
if (finished == true) {
nextNode = node.getNextSibling();
}
node = node.getNextSibling();
}
}
public String toRasQL() {
return child.toRasQL();
}
public Node getNextNode() {
return nextNode;
}
public String getAxisName() {
return this.axis.toRasQL();
}
public String getCrsName() {
return this.crs.toRasQL();
}
public String getSlicingPosition() {
return this.domain.toRasQL();
}
}
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