SerialiableFormFile.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.web.ctrlstat.core;

import java.io.ByteArrayInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;

import org.apache.struts.upload.FormFile;
import org.openspcoop2.utils.UtilsException;
import org.openspcoop2.utils.mime.MimeTypes;
import org.openspcoop2.utils.transport.http.HttpConstants;

/**
 * WrapperFormFile
 * 
 * @author $Author$
 * @version $Rev$, $Date$
 * 
 */
public class SerialiableFormFile implements FormFile, Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    
    private String contentType;
    private String fileName;
    private byte[] content;
    
    public SerialiableFormFile(FormFile ff) throws UtilsException {
        try {
//          if(ff instanceof SerialiableFormFile) {
//              SerialiableFormFile sff = (SerialiableFormFile) ff;
//              this.contentType = sff.getContentType();
//              this.fileName = sff.getFileName();
//              this.content = sff.getFileData();
//          }
//          else {
            this.contentType = ff.getContentType();
            this.fileName = ff.getFileName();
            this.content = ff.getFileData();
            //ff.destroy();
//          }
        }catch(Exception e) {
            throw new UtilsException(e.getMessage(),e);
        }
    }
    
    // Costruttori utilizzati in RS API
    public SerialiableFormFile(String fileName, byte[] content) throws UtilsException {
        this(getContentType(fileName),fileName,content);
    }
    public SerialiableFormFile(String contentType, String fileName, byte[] content) {
        this.fileName = fileName;
        this.content = content;
        this.contentType = contentType;
    }
    
    private static String getContentType(String fileName) throws UtilsException {
        String mimeType = null;
        if(fileName.contains(".")){
            String ext = null;
            try{
                ext = fileName.substring(fileName.lastIndexOf(".")+1,fileName.length());
            }catch(Exception e){
                // ignore
            }
            MimeTypes mimeTypes = MimeTypes.getInstance();
            if(ext!=null && mimeTypes.existsExtension(ext)){
                mimeType = mimeTypes.getMimeType(ext);
                //System.out.println("CUSTOM ["+mimeType+"]");      
            }
            else{
                mimeType = HttpConstants.CONTENT_TYPE_X_DOWNLOAD;
            }
        }
        else{
            mimeType = HttpConstants.CONTENT_TYPE_X_DOWNLOAD;
        }
        return mimeType;
    }
    
    @Override
    public void destroy() {
        
    }

    @Override
    public String getContentType() {
        return this.contentType;
    }

    @Override
    public byte[] getFileData() throws FileNotFoundException, IOException {
        return this.content;
    }

    @Override
    public String getFileName() {
        return this.fileName;
    }

    @Override
    public int getFileSize() {
        return this.content.length;
    }

    @Override
    public InputStream getInputStream() throws FileNotFoundException, IOException {
        return new ByteArrayInputStream(this.content);
    }

    @Override
    public void setContentType(String contentType) {
        this.contentType = contentType;
    }

    @Override
    public void setFileName(String fileName) {
        this.fileName = fileName;
    }

    @Override
    public void setFileSize(int arg0) {
        // nop;
    }

}