1 files changed, 70 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/SubsetOperationCoverageExpr.java b/petascope/src/petascope/wcps/server/core/SubsetOperationCoverageExpr.java
new file mode 100644
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+++ b/petascope/src/petascope/wcps/server/core/SubsetOperationCoverageExpr.java
@@ -0,0 +1,70 @@
+/*
+ * 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.*;
+
+// TODO: Implement class SubsetOperation
+public class SubsetOperationCoverageExpr implements IRasNode, ICoverageInfo {
+
+    private IRasNode child;
+    private CoverageInfo info = null;
+
+    public SubsetOperationCoverageExpr(Node node, XmlQuery xq)
+            throws WCPSException, InvalidCrsException {
+
+        while ((node != null) && node.getNodeName().equals("#text")) {
+            node = node.getNextSibling();
+        }
+
+        if (node == null) {
+            throw new WCPSException("SubsetOperationCoverageExpr parsing error!");
+        }
+
+        String nodeName = node.getNodeName();
+
+        System.err.println("SubsetOperationCoverageExpr: node " + nodeName);
+
+        if (nodeName.equals("trim")) {
+            child = new TrimCoverageExpr(node, xq);
+            info = ((TrimCoverageExpr) child).getCoverageInfo();
+        } else if (nodeName.equals("extend")) {
+            child = new ExtendCoverageExpr(node, xq);
+            info = ((ExtendCoverageExpr) child).getCoverageInfo();
+        } else if (nodeName.equals("slice")) {
+            child = new SliceCoverageExpr(node, xq);
+            info = ((SliceCoverageExpr) child).getCoverageInfo();
+        } else {
+            throw new WCPSException("Failed to match SubsetOperation: " + nodeName);
+        }
+    }
+
+    public String toRasQL() {
+        return child.toRasQL();
+    }
+
+    public CoverageInfo getCoverageInfo() {
+        return info;
+    }
+}