OpenSPCoop2Message_binary_impl.java

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 * GovWay - A customizable API Gateway 
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 * 
 * 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.
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 * 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.message.rest;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.openspcoop2.message.OpenSPCoop2MessageFactory;
import org.openspcoop2.message.OpenSPCoop2RestBinaryMessage;
import org.openspcoop2.message.exception.MessageException;
import org.openspcoop2.message.exception.MessageNotSupportedException;
import org.openspcoop2.utils.Utilities;
import org.openspcoop2.utils.io.DumpByteArrayOutputStream;

/**
 * Implementazione dell'OpenSPCoop2Message utilizzabile per messaggi binari
 *
 * @author Andrea Poli (poli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class OpenSPCoop2Message_binary_impl extends AbstractBaseOpenSPCoop2RestMessage<BinaryContent> implements OpenSPCoop2RestBinaryMessage {

    public OpenSPCoop2Message_binary_impl(OpenSPCoop2MessageFactory messageFactory) {
        super(messageFactory);
        //this.supportReadOnly = false; // il contenuto e' gia un binary.
        this.supportReadOnly = true; // in modo da sfruttare il buffer
    }
    public OpenSPCoop2Message_binary_impl(OpenSPCoop2MessageFactory messageFactory, InputStream is,String contentType) throws MessageException {
        super(messageFactory, is, contentType);
        //this.supportReadOnly = false; // il contenuto e' gia un binary.
        this.supportReadOnly = true; // in modo da sfruttare il buffer
    }
    
    @Override
    protected BinaryContent buildContent() throws MessageException{
        try{
            return new BinaryContent(this._getInputStream(), this.contentType);
        }catch(Exception e){
            throw new MessageException(e.getMessage(),e);
        }finally {
            try {
                this._getInputStream().close();
            }catch(Exception eClose) {
                // close
            }
        }
    }
    @Override
    protected BinaryContent buildContent(DumpByteArrayOutputStream contentBuffer) throws MessageException{
        return new BinaryContent(contentBuffer, this.contentType);
    }

    @Override
    protected String buildContentAsString() throws MessageException{
        try{
            return Utilities.getAsString(new ByteArrayInputStream(this.content.getContent()), this.contentTypeCharsetName);
        }catch(Exception e){
            throw new MessageException(e.getMessage(),e);
        }
    }
    @Override
    protected byte[] buildContentAsByteArray() throws MessageException{
        return this.content.getContent();
    }
    
    @Override
    protected void serializeContent(OutputStream os, boolean consume) throws MessageException {
        try{
            this.content.writeTo(os, consume);
        }catch(Exception e){
            throw new MessageException(e.getMessage(),e);
        }
    }

    public void updateContent(byte[] content) throws MessageException, MessageNotSupportedException {
        if(this.content!=null && this.content.contentBuffer!=null) {
            this.content.contentBuffer.clearResources();
            this.content = null;
        }
        this.content = new BinaryContent(new ByteArrayInputStream(content), this.contentType);
    }
    
}