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/*
* 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.grammar;
/**
* MetaDataExpr
* Creation date: (3/3/2003 2:28:43 AM)
* @author: mattia parigiani, Sorin Stancu-Mara, Andrei Aiordachioaie
*/
public class MetaDataExpr implements IParseTreeNode {
CoverageExpr expr;
String field;
String function;
IParseTreeNode param;
public MetaDataExpr(DomainExpr dom) {
function = "domain";
param = dom;
}
// Identifier, ImageCRS, ImageCRSDomain, CrsSet, NullSet
public MetaDataExpr(String op, CoverageExpr expr) {
function = op;
this.expr = expr;
}
// ImageCRSDomain, interpolationDefault, interpolationSet
public MetaDataExpr(String op, CoverageExpr expr, String str) {
function = op;
this.expr = expr;
this.field = str;
}
public String toXML() {
String result = "";
if (function.equalsIgnoreCase("imageCrsDomain")) {
result += "<imageCrsDomain>";
result += expr.toXML();
if (field != null) {
result += "<axis>" + field + "</axis>";
}
result += "</imageCrsDomain>";
} else if (function.equalsIgnoreCase("domain")) {
result = "<DomainMetadata>" + param.toXML() + "</DomainMetadata>";
} else if (function.equalsIgnoreCase("interpolationDefault")) {
result += "<interpolationDefault>";
result += expr.toXML();
result += "<name>" + param + "</param>";
result += "</interpolationDefault>";
} else if (function.equalsIgnoreCase("interpolationSet")) {
result += "<interpolationSet>";
result += expr.toXML();
result += "<name>" + param + "</param>";
result += "</interpolationSet>";
} else if (function.equalsIgnoreCase("identifier")
|| function.equalsIgnoreCase("imageCRS") || function.equalsIgnoreCase("crsSet")
|| function.equalsIgnoreCase("nullSet")) {
result += "<" + function + ">";
result += expr.toXML();
result += "</" + function + ">";
} else {
System.err.println("Unknown MetadataExpr operation: " + function);
}
return result;
}
}
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