46 lines
1.2 KiB
Java
46 lines
1.2 KiB
Java
|
package org.gcube.data.access.storagehub;
|
||
|
|
||
|
import java.io.IOException;
|
||
|
import java.io.InputStream;
|
||
|
import java.io.OutputStream;
|
||
|
|
||
|
import javax.ws.rs.WebApplicationException;
|
||
|
import javax.ws.rs.core.StreamingOutput;
|
||
|
|
||
|
import org.slf4j.Logger;
|
||
|
import org.slf4j.LoggerFactory;
|
||
|
|
||
|
public class SingleFileStreamingOutput implements StreamingOutput {
|
||
|
|
||
|
private static final Logger log = LoggerFactory.getLogger(SingleFileStreamingOutput.class);
|
||
|
|
||
|
|
||
|
InputStream streamToWrite;
|
||
|
|
||
|
public SingleFileStreamingOutput(InputStream streamToWrite) {
|
||
|
super();
|
||
|
this.streamToWrite = streamToWrite;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
* Overriding the write method to write request data directly to Jersey outputStream .
|
||
|
* @param outputStream
|
||
|
* @throws IOException
|
||
|
* @throws WebApplicationException
|
||
|
*/
|
||
|
@Override
|
||
|
public void write(OutputStream outputStream) throws IOException, WebApplicationException {
|
||
|
log.debug("writing StreamOutput");
|
||
|
copy(streamToWrite, outputStream);
|
||
|
log.debug("StreamOutput written");
|
||
|
}
|
||
|
|
||
|
private void copy(InputStream in, OutputStream out) throws IOException {
|
||
|
byte[] buffer = new byte[2048];
|
||
|
int readcount = 0;
|
||
|
while ((readcount=in.read(buffer))!=-1) {
|
||
|
out.write(buffer, 0, readcount);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
}
|