AbstractDeserializerBase.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.
 *
 * 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.serializer;


import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

import org.openspcoop2.generic_project.exception.DeserializerException;

/**
 * AbstractDeserializer
 * 
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public abstract class AbstractDeserializerBase {

    public <T> T xmlToObj(String fileName,Class<T> c) throws DeserializerException {
        return this.xmlToObj(new File(fileName), c);
    }
    public <T> T xmlToObj(File file,Class<T> c) throws DeserializerException {
        FileInputStream fin = null;
        try{
            fin = new FileInputStream(file);
            return this.xmlToObj(fin, c);
        }catch(Exception e){
            throw new DeserializerException(e);
        }
        finally {
            try{
                if(fin!=null) {
                    fin.close();
                }
            }catch(Exception eClose){
                // close
            }
        }
    }
    public <T> T xmlToObj(byte[] bytes,Class<T> c) throws DeserializerException {
        ByteArrayInputStream bin = new ByteArrayInputStream(bytes);
        return this.xmlToObj(bin, c);
    }
    public <T> T xmlToObj(InputStream is,Class<T> c) throws DeserializerException {
        try{
            return (T) this._xmlToObj(is, c);
        }catch(Exception e){
            throw new DeserializerException(e);
        }
    }
    protected abstract <T> T _xmlToObj(InputStream is,Class<T> c) throws Exception;
    
    
    public <T> T xmlToObjByByteArray(byte[] xml,Class<T> c) throws DeserializerException {
        ByteArrayInputStream bin = null;
        try{
            bin = new ByteArrayInputStream(xml);
            return (T) this._xmlToObj(bin, c);
        }catch(Exception e){
            throw new DeserializerException(e);
        }finally{
            try{
                if(bin!=null) {
                    bin.close();
                }
            }catch(Exception e){
                // close
            }
        }
    }
    public <T> T xmlToObjByString(String xml,Class<T> c) throws DeserializerException {
        try{
            return this.xmlToObjByByteArray(xml.getBytes(), c);
        }catch(Exception e){
            throw new DeserializerException(e);
        }
    }
}