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| author | Constantin <jucovschi@gmail.com> | 2010-06-02 20:09:42 +0200 |
|---|---|---|
| committer | Constantin <jucovschi@gmail.com> | 2010-06-02 20:09:42 +0200 |
| commit | 40e12c6af9d05c3413efaf535c35c625b736cbb9 (patch) | |
| tree | 6a9f6b86b55724e659ca270171496d82362de9cc /petascope/src/petascope/wcps/server/core/StringScalarExpr.java | |
| parent | fcda34adb1c78d0929778e1324c873552d21ee1d (diff) | |
| download | rasdaman-upstream-40e12c6af9d05c3413efaf535c35c625b736cbb9.tar.gz rasdaman-upstream-40e12c6af9d05c3413efaf535c35c625b736cbb9.tar.xz rasdaman-upstream-40e12c6af9d05c3413efaf535c35c625b736cbb9.zip | |
preparing for joining with rasdaman open source
Diffstat (limited to 'petascope/src/petascope/wcps/server/core/StringScalarExpr.java')
| -rw-r--r-- | petascope/src/petascope/wcps/server/core/StringScalarExpr.java | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/StringScalarExpr.java b/petascope/src/petascope/wcps/server/core/StringScalarExpr.java new file mode 100644 index 0000000..87fb23c --- /dev/null +++ b/petascope/src/petascope/wcps/server/core/StringScalarExpr.java @@ -0,0 +1,63 @@ +/*
+ * 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 StringScalarExpr implements IRasNode {
+
+ private String op, string;
+ private CoverageExpr cov;
+
+ public StringScalarExpr(Node node, XmlQuery xq) throws WCPSException, InvalidCrsException {
+ while ((node != null) && (node.getNodeName().equals("#text"))) {
+ node = node.getNextSibling();
+ }
+
+ System.err.println("Parsing String Scalar expr : " + node.getNodeName());
+
+ if (node.getNodeName().equals("stringIdentifier")) {
+ Node child = node.getFirstChild();
+ cov = new CoverageExpr(child, xq);
+ op = "id";
+ } else if (node.getNodeName().equals("stringConstant")) {
+ op = "constant";
+ string = node.getNodeValue();
+ } else {
+ throw new WCPSException("Unknown String expr node: " + node.getNodeName());
+ }
+ }
+
+ public String toRasQL() {
+ String result = "";
+ if (op.equals("constant")) {
+ result = string;
+ }
+ if (op.equals("id")) {
+ result = cov.toRasQL();
+ }
+
+ return result;
+ }
+}
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