OpenSPCoop2InputStreamDynamicContent.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.message;

import java.io.IOException;
import java.io.OutputStream;

import org.openspcoop2.utils.io.DumpByteArrayOutputStream;

/**
 * OpenSPCoop2InputStreamDynamicContent
 *
 * @author Andrea Poli (apoli@link.it)
 * @author $Author$
 * @version $Rev$, $Date$
 */
public class OpenSPCoop2InputStreamDynamicContent extends org.apache.commons.io.input.CountingInputStream {

    private org.apache.commons.io.input.CountingInputStream is;

    private DumpByteArrayOutputStream buffer;
    
    private boolean isReadAll = false;
    
    public OpenSPCoop2InputStreamDynamicContent(org.apache.commons.io.input.CountingInputStream is, DumpByteArrayOutputStream buffer) {
        super(null);
        this.is = is;
        this.buffer = buffer;
    }

    public org.apache.commons.io.input.CountingInputStream getWrappedInputStream() {
        return this.is;
    }
    
    public DumpByteArrayOutputStream getBuffer() {
        return this.buffer;
    }
    
    public boolean isInputStreamConsumed() {
        return this.isReadAll;
    }

    // implementati con buffer
    @Override
    public int read() throws IOException {
        int r = this.is.read();
        if(this.buffer!=null && r!=-1) {
            this.buffer.write(r);
        }
        //System.out.println("read(); [readAll:"+this.isReadAll+"] (r:"+r+") buffer size: "+((this.buffer!=null) ? this.buffer.size() : "--n.d.--"));
        if(r==-1) {
            this.isReadAll = true;
        }
        return r;
    }

    @Override
    public int read(byte[] b, int off, int len) throws IOException {
        int r = this.is.read(b, off, len);
        if(this.buffer!=null && r!=-1) {
            this.buffer.write(b, off, r);
        }
        //System.out.println("read(byte[],off:"+off+",len:"+len+"); [readAll:"+this.isReadAll+"] (r:"+r+") buffer size: "+((this.buffer!=null) ? this.buffer.size() : "--n.d.--"));
        //System.out.println("\t\t (leng:"+b.length+") ["+new String(b, off, r)+"]");
        if(r==-1) {
            this.isReadAll = true;
        }
        return r;
    }

    @Override
    public int read(byte[] b) throws IOException {
        int r = this.is.read(b);
        if(this.buffer!=null && r!=-1) {
            this.buffer.write(b, 0, r);
        }
        //System.out.println("read(byte[]); [readAll:"+this.isReadAll+"] (r:"+r+") buffer size: "+((this.buffer!=null) ? this.buffer.size() : "--n.d.--"));
        //System.out.println("\t\t (leng:"+b.length+") ["+new String(b)+"]");
        if(r==-1) {
            this.isReadAll = true;
        }
        return r;
    }
    
    // wrapped only
    
//  @Override
//  protected synchronized void afterRead(int n) {
//      this.is.afterRead(n);
//  }

    @Override
    public synchronized long getByteCount() {
        return this.is.getByteCount();
    }

    @Override
    public int getCount() {
        return this.is.getCount();
    }

    @Override
    public synchronized long resetByteCount() {
        return this.is.resetByteCount();
    }

    @Override
    public int resetCount() {
        return this.is.resetCount();
    }

    @Override
    public synchronized long skip(long length) throws IOException {
        return this.is.skip(length);
    }

    @Override
    public int available() throws IOException {
        return this.is.available();
    }

//  @Override
//  protected void beforeRead(int n) throws IOException {
//      this.is.beforeRead(n);
//  }

    @Override
    public void close() throws IOException {
        this.is.close();
    }

//  @Override
//  protected void handleIOException(IOException e) throws IOException {
//      this.is.handleIOException(e);
//  }

    @Override
    public synchronized void mark(int readlimit) {
        this.is.mark(readlimit);
    }

    @Override
    public boolean markSupported() {
        return this.is.markSupported();
    }

    @Override
    public synchronized void reset() throws IOException {
        this.is.reset();
    }

    @Override
    public byte[] readAllBytes() throws IOException {
        return this.is.readAllBytes();
    }

    @Override
    public byte[] readNBytes(int len) throws IOException {
        return this.is.readNBytes(len);
    }

    @Override
    public int readNBytes(byte[] b, int off, int len) throws IOException {
        return this.is.readNBytes(b, off, len);
    }

    @Override
    public long transferTo(OutputStream out) throws IOException {
        return this.is.transferTo(out);
    }

    @Override
    public int hashCode() {
        return this.is.hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        return this.is.equals(obj);
    }

//  @Override
//  protected Object clone() throws CloneNotSupportedException {
//      return this.is.clone();
//  }

    @Override
    public String toString() {
        return this.is.toString();
    }

//  @Override
//  protected void finalize() throws Throwable {
//      this.is.finalize();
//  }
}