BetweenExpressionSQL.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2025 Link.it srl (https://link.it).
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3, as published by
 * the Free Software Foundation.
 *
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 * 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/>.
 *
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package org.openspcoop2.generic_project.expression.impl.sql;

import java.util.List;
import java.util.Map;

import org.openspcoop2.generic_project.beans.IField;
import org.openspcoop2.generic_project.exception.ExpressionException;
import org.openspcoop2.generic_project.expression.impl.BetweenExpressionImpl;
import org.openspcoop2.generic_project.expression.impl.formatter.IObjectFormatter;
import org.openspcoop2.generic_project.utils.IDGenerator;
import org.openspcoop2.utils.sql.ISQLQueryObject;

/**
 * BetweenExpressionSQL
 * 
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class BetweenExpressionSQL extends BetweenExpressionImpl implements ISQLExpression {

    private ISQLFieldConverter sqlFieldConverter;
    
    public BetweenExpressionSQL(ISQLFieldConverter sqlFieldConverter,IObjectFormatter objectFormatter, IField field,
            Object lower, Object high) {
        super(objectFormatter, field, lower, high);
        this.sqlFieldConverter = sqlFieldConverter;
    }

    private String toSqlEngine(SQLMode mode,List<Object> oggettiPreparedStatement,Map<String, Object> oggettiJPA)throws ExpressionException{
        StringBuilder bf = new StringBuilder();
        if(isNot()){
            bf.append("( NOT ");
        }
        bf.append("( ");
        bf.append(this.sqlFieldConverter.toColumn(this.getField(),true));
        bf.append(" BETWEEN ");
        bf.append(" ");
        switch (mode) {
        case STANDARD:
            try{
                bf.append(super.getObjectFormatter().toSQLString(this.getLower()));
            }catch(Exception e){
                return "ERROR-LOWER: "+e.getMessage();
            }
            break;
        case PREPARED_STATEMENT:
            bf.append("?");
            if(oggettiPreparedStatement!=null) {
                oggettiPreparedStatement.add(this.getLower());
            }
            break;
        case JPA:
            String id = "Lower_"+IDGenerator.getUniqueID(this.getField());
            bf.append(":"+id);
            if(oggettiJPA!=null) {
                oggettiJPA.put(id, this.getLower());
            }
            break;
        }
        bf.append(" AND ");
        switch (mode) {
        case STANDARD:
            try{
                bf.append(super.getObjectFormatter().toSQLString(this.getHigh()));
            }catch(Exception e){
                return "ERROR-HIGH: "+e.getMessage();
            }
            break;
        case PREPARED_STATEMENT:
            bf.append("?");
            if(oggettiPreparedStatement!=null) {
                oggettiPreparedStatement.add(this.getHigh());
            }
            break;
        case JPA:
            String id = "High_"+IDGenerator.getUniqueID(this.getField());
            bf.append(":"+id);
            if(oggettiJPA!=null) {
                oggettiJPA.put(id, this.getHigh());
            }
            break;
        }
        bf.append(" )");
        if(isNot()){
            bf.append(" )");
        }
        return bf.toString();
    }
    
    private void toSqlEngine(ISQLQueryObject sqlQueryObject,SQLMode mode,List<Object> oggettiPreparedStatement,Map<String, Object> oggettiJPA)throws ExpressionException{
        try{
            String s = toSqlEngine(mode, oggettiPreparedStatement, oggettiJPA);
            s = s.substring(1,s.length()-2);
            sqlQueryObject.addWhereCondition(s);
        }catch(Exception e){
            throw new ExpressionException(e);
        }
    }
    
    @Override
    public String toSql() throws ExpressionException {
        return toSqlEngine(SQLMode.STANDARD, null, null);
    }

    @Override
    public String toSqlPreparedStatement(List<Object> oggetti)
            throws ExpressionException {
        return toSqlEngine(SQLMode.PREPARED_STATEMENT, oggetti, null);
    }

    @Override
    public String toSqlJPA(Map<String, Object> oggetti)
            throws ExpressionException {
        return toSqlEngine(SQLMode.JPA, null, oggetti);
    }
    
    @Override
    public void toSql(ISQLQueryObject sqlQueryObject) throws ExpressionException {
        toSqlEngine(sqlQueryObject,SQLMode.STANDARD, null, null);
    }

    @Override
    public void toSqlPreparedStatement(ISQLQueryObject sqlQueryObject,List<Object> oggetti)
            throws ExpressionException {
        toSqlEngine(sqlQueryObject,SQLMode.PREPARED_STATEMENT, oggetti, null);
    }

    @Override
    public void toSqlJPA(ISQLQueryObject sqlQueryObject,Map<String, Object> oggetti)
            throws ExpressionException {
        toSqlEngine(sqlQueryObject,SQLMode.JPA, null, oggetti);
    }
}