DumpReceivedMessageToFileSystemInterceptor.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.utils.service.logger;

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

import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.openspcoop2.utils.resources.FileSystemUtilities;
import org.slf4j.Logger;

/** 
 * DumpReceivedMessageToFileSystemInterceptor
 *
 * @author Poli Andrea (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 **/
@SuppressWarnings("rawtypes")
public class DumpReceivedMessageToFileSystemInterceptor extends AbstractPhaseInterceptor {

    private static final Logger log = org.slf4j.LoggerFactory.getLogger(DumpReceivedMessageToFileSystemInterceptor.class);
    
    public DumpReceivedMessageToFileSystemInterceptor() {
        super(Phase.RECEIVE);
    }

    @Override
    public void handleMessage(Message message) {
        String msgAsString = message.toString();
        String logMsg = String.format("RECEIVE message %s", msgAsString);
        log.info(logMsg);
        message.put(Message.ENCODING, "UTF-8");
        InputStream paramInputStream = message.getContent(InputStream.class);

        if(paramInputStream!=null) {
            File f = null;
            try {
                f = FileSystemUtilities.createTempFile("ReceivedMessage", ".dump");
            }catch(Exception e) {
                log.error(e.getMessage(),e);
                return;
            }
            try (FileOutputStream fos = new FileOutputStream(f);){
                byte[] buffer = new byte[256];
                while (true) {
                    int bytesRead = paramInputStream.read(buffer);
                    if (bytesRead == -1) break;
                    fos.write(buffer, 0, bytesRead);
                }
                fos.flush();
                paramInputStream.close();
            }catch(Exception e) {
                log.error(e.getMessage(),e);
                return;
            }
    
            logMsg = String.format("Serialized in [%s]",f.getAbsolutePath());
            log.info(logMsg);
            try {
                message.setContent(InputStream.class, new FileInputStream(f));
            } catch (Exception e) {
                log.error(e.getMessage(),e);
            }
        }

    }

}