ByteArrayTypeFormatter.java

/*
 * GovWay - A customizable API Gateway 
 * https://govway.org
 * 
 * Copyright (c) 2005-2024 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.
 *
 * 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/>.
 *
 */
package org.openspcoop2.generic_project.expression.impl.formatter;

import org.openspcoop2.generic_project.exception.ExpressionException;
import org.openspcoop2.utils.TipiDatabase;
import org.openspcoop2.utils.Utilities;

/**
 * ByteArrayTypeFormatter
 * 
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class ByteArrayTypeFormatter implements ITypeFormatter<byte[]> {

	@Override
	public String toString(byte[] o) throws ExpressionException {
		if(o == null){
			throw new ExpressionException("Object parameter is null");
		}
		// 1024 = 1K
		// Visualizzo al massimo 5K
		int max = 5 * 1024;
		StringBuilder sb = new StringBuilder();
		try{
			sb.append('\'').append(Utilities.convertToPrintableText((byte[])o, max)).append('\'');
		}catch(Exception e){
			sb.append( "bytes[] not printable ("+e.getMessage()+")" );
		}
		return sb.toString();
	}

	@Override
	public String toSQLString(byte[] o) throws ExpressionException {
		return this.toSQLString(o, TipiDatabase.DEFAULT);
	}
	
	@Override
	public String toSQLString(byte[] o, TipiDatabase databaseType) throws ExpressionException {
		return "'"+StringTypeFormatter.escapeStringValue(toString(o))+"'";
	}

	@Override
	public byte[] toObject(String o, Class<?> c) throws ExpressionException {
		if(o == null){
			throw new ExpressionException("Object parameter is null");
		}
		try{
			return o.getBytes();
		}catch(Exception e){
			throw new ExpressionException("Conversion failure: "+e.getMessage(),e);
		}
	}

	@Override
	public Class<byte[]> getTypeSupported() {
		return byte[].class;
	}

}