/**
*
* geo-platform
* Rich webgis framework
* http://geo-platform.org
* ====================================================================
*
* Copyright (C) 2008-2017 geoSDI Group (CNR IMAA - Potenza - ITALY).
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. This program 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 General Public License
* for more details. You should have received a copy of the GNU General
* Public License along with this program. If not, see http://www.gnu.org/licenses/
*
* ====================================================================
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you permission
* to link this library with independent modules to produce an executable, regardless
* of the license terms of these independent modules, and to copy and distribute
* the resulting executable under terms of your choice, provided that you also meet,
* for each linked independent module, the terms and conditions of the license of
* that module. An independent module is a module which is not derived from or
* based on this library. If you modify this library, you may extend this exception
* to your version of the library, but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version.
*/
package org.geosdi.geoplatform.gui.client.widget.cql.enumeration;
import org.geosdi.geoplatform.gui.client.widget.cql.CQLSimpleOperator;
import org.geosdi.geoplatform.gui.client.widget.cql.CQLStringOperator;
import org.geosdi.geoplatform.gui.client.widget.cql.ICQLBasicOperator;
/**
* @author Nazzareno Sileno - CNR IMAA geoSDI Group
* @email nazzareno.sileno@geosdi.org
*/
public enum CQLOperatorEnum {
EQUAL("=") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLSimpleOperator(super.symbol);
}
}, NOT_EQUAL("<>") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLSimpleOperator(super.symbol);
}
},
LESS("<") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLSimpleOperator(super.symbol);
}
}, GREATER(">") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLSimpleOperator(super.symbol);
}
},
LESS_OR_EQUAL("<=") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLSimpleOperator(super.symbol);
}
},
GREATER_OR_EQUAL(">=") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLSimpleOperator(super.symbol);
}
},
LIKE("like") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLStringOperator(super.symbol);
}
},
STARTS_WITH("starts with") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLStringOperator("like") {
@Override
public String generateExpression(String featureAttribute, String conditionValue) {
return super.generateExpression(featureAttribute, conditionValue + "%");
}
};
}
},
ENDS_WITH("ends with") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLStringOperator("like") {
@Override
public String generateExpression(String featureAttribute, String conditionValue) {
return super.generateExpression(featureAttribute, "%" + conditionValue);
}
};
}
},
CONTAINS("contains") {
@Override
public ICQLBasicOperator getOperatorInstance() {
return new CQLStringOperator("like") {
@Override
public String generateExpression(String featureAttribute, String conditionValue) {
return super.generateExpression(featureAttribute, "%" + conditionValue + "%");
}
};
}
};
private String symbol;
private CQLOperatorEnum(String symbol) {
this.symbol = symbol;
}
public abstract ICQLBasicOperator getOperatorInstance();
@Override
public String toString() {
return this.symbol;
}
//(BinaryComparisonOpType) GWT.create(
}