org.refcodes.io.ShortsReceiver Maven / Gradle / Ivy
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Artifact with commonly used I/O functionality and for connection related
issues such as receiving or transmitting data in a unified way.
// /////////////////////////////////////////////////////////////////////////////
// REFCODES.ORG
// /////////////////////////////////////////////////////////////////////////////
// This code is copyright (c) by Siegfried Steiner, Munich, Germany, distributed
// on an "AS IS" BASIS WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, and licen-
// sed under the following (see "http://en.wikipedia.org/wiki/Multi-licensing")
// licenses:
// -----------------------------------------------------------------------------
// GNU General Public License, v3.0 ("http://www.gnu.org/licenses/gpl-3.0.html")
// -----------------------------------------------------------------------------
// Apache License, v2.0 ("http://www.apache.org/licenses/TEXT-2.0")
// -----------------------------------------------------------------------------
// Please contact the copyright holding author(s) of the software artifacts in
// question for licensing issues not being covered by the above listed licenses,
// also regarding commercial licensing models or regarding the compatibility
// with other open source licenses.
// /////////////////////////////////////////////////////////////////////////////
package org.refcodes.io;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.refcodes.data.SleepLoopTime;
/**
* The Interface ShortsReceiver.
*/
public interface ShortsReceiver extends ShortsDestination, ShortReceiver {
/**
* {@inheritDoc}
*/
@Override
default short[] receiveAllShorts() throws IOException {
final List theData = new ArrayList<>();
while ( hasAvailable() ) {
theData.add( receiveShort() );
}
final short[] theShorts = new short[theData.size()];
for ( int i = 0; i < theShorts.length; i++ ) {
theShorts[i] = theData.get( i );
}
return theShorts;
}
/**
* {@inheritDoc}
*/
@Override
default short[] receiveShorts( int aLength ) throws IOException {
final short[] theBlock = new short[aLength];
int i = 0;
while ( hasAvailable() && i < aLength ) {
theBlock[i] = receiveShort();
i++;
}
if ( i == 0 ) {
while ( !hasAvailable() ) {
try {
Thread.sleep( SleepLoopTime.NORM.getTimeMillis() );
}
catch ( InterruptedException ignore ) {}
while ( hasAvailable() && i < aLength ) {
theBlock[i] = receiveShort();
i++;
}
}
}
if ( i == aLength ) {
return theBlock;
}
return Arrays.copyOfRange( theBlock, 0, i );
}
}