1 files changed, 104 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/ConstantList.java b/petascope/src/petascope/wcps/server/core/ConstantList.java
new file mode 100644
index 0000000..cbbff16
--- /dev/null
+++ b/petascope/src/petascope/wcps/server/core/ConstantList.java
@@ -0,0 +1,104 @@
+/*
+ * 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.WCPSException;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import org.w3c.dom.*;
+
+public class ConstantList implements IRasNode {
+
+    private ArrayList<String> list;
+    private String val;
+    private Node lastNode;
+
+    public ConstantList(Node node, XmlQuery xq) throws WCPSException {
+        list = new ArrayList<String>();
+
+        while ((node != null) && node.getNodeName().equals("#text")) {
+            node = node.getNextSibling();
+        }
+        System.err.println("Trying to parse ConstantList ");
+
+        while (node != null) {
+            String nodeName = node.getNodeName();
+
+            if (nodeName.equals("value")) {
+                val = node.getTextContent();
+                checkConstant(val);
+                list.add(val);
+                lastNode = node;
+            } else {
+                throw new WCPSException("Unknown node in ConstantList: " + nodeName);
+            }
+
+            node = node.getNextSibling();
+            while ((node != null) && node.getNodeName().equals("#text")) {
+                node = node.getNextSibling();
+            }
+        }
+
+        System.err.println("Parsed constant list with " + list.size() + " elements !");
+    }
+
+    private void checkConstant(String val) throws WCPSException {
+        boolean ok = false;
+        try {
+            Integer.parseInt(val);
+            ok = true;
+        } catch (NumberFormatException e1) {
+        }
+        try {
+            Float.parseFloat(val);
+            ok = true;
+        } catch (NumberFormatException e2) {
+        }
+        try {
+            new ComplexConstant(val);
+            ok = true;
+        } catch (WCPSException e1) {
+        }
+
+        if (ok == false) {
+            throw new WCPSException("'" + val + "' is not an integer, float, or complex constant !");
+        }
+    }
+
+    public String toRasQL() {
+        String result = list.get(0);
+        for (int i = 1; i < list.size(); i++) {
+            result += ", " + list.get(i);
+        }
+        return result;
+    }
+
+    /** Size of all elements in the constant list **/
+    public int getSize() {
+        return list.size();
+    }
+
+    /** Return the last node of the constant list. **/
+    public Node getLastNode() {
+        return lastNode;
+    }
+}