summaryrefslogtreecommitdiffstats
path: root/petascope/src/petascope/wcps/server/core/DimensionPointElement.java
diff options
context:
space:
mode:
Diffstat (limited to 'petascope/src/petascope/wcps/server/core/DimensionPointElement.java')
-rw-r--r--petascope/src/petascope/wcps/server/core/DimensionPointElement.java130
1 files changed, 130 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/DimensionPointElement.java b/petascope/src/petascope/wcps/server/core/DimensionPointElement.java
new file mode 100644
index 0000000..b29dd8e
--- /dev/null
+++ b/petascope/src/petascope/wcps/server/core/DimensionPointElement.java
@@ -0,0 +1,130 @@
+/*
+ * This file is part of PetaScope.
+ *
+ * PetaScope is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * PetaScope 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * For more information please see <http://www.PetaScope.org>
+ * or contact Peter Baumann via <baumann@rasdaman.com>.
+ *
+ * Copyright 2009 Jacobs University Bremen, Peter Baumann.
+ */
+package petascope.wcps.server.core;
+
+import petascope.wcps.server.exceptions.InvalidCrsException;
+import petascope.wcps.server.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, InvalidCrsException {
+ 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();
+ }
+}