1 files changed, 87 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/RangeComponent.java b/petascope/src/petascope/wcps/server/core/RangeComponent.java
new file mode 100644
index 0000000..c94698c
--- /dev/null
+++ b/petascope/src/petascope/wcps/server/core/RangeComponent.java
@@ -0,0 +1,87 @@
+/*
+ * 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 org.w3c.dom.*;
+import petascope.wcps.server.exceptions.InvalidCrsException;
+
+
+/**
+ * This is a component of a RangeStructure. 
+ * @author Andrei Aiordachioaie
+ */
+public class RangeComponent implements IRasNode, ICoverageInfo {
+
+    private String field = null;
+    private CoverageInfo info = null;
+    private CoverageExpr expr = null;
+
+    public RangeComponent(Node node, XmlQuery xq)
+            throws WCPSException {
+
+        String nodeName = node.getNodeName();
+        if (nodeName.equals("component"))
+            node = node.getFirstChild();
+            
+        while (node != null)
+        {
+            nodeName = node.getNodeName();
+            if (nodeName.equals("#text"))
+            {
+                node = node.getNextSibling();
+                continue;
+            }
+
+            if (nodeName.equals("field"))
+                this.field = node.getTextContent();
+            else
+                try
+                {
+                    this.expr = new CoverageExpr(node, xq);
+                    this.info = expr.getCoverageInfo();
+                }
+                catch (InvalidCrsException e2)
+                {}
+                catch (WCPSException e)
+                {
+                    System.err.println("Could not match CoverageExpr inside RangeExpr. Next node: " + nodeName);
+                    throw e;
+                }
+
+            node = node.getNextSibling();
+        }
+    }
+
+    public CoverageInfo getCoverageInfo() {
+        return info;
+    }
+
+    public String toRasQL() {
+        String result = "";
+
+        if (this.expr != null)
+            result = expr.toRasQL();
+
+        return result;
+    }
+}