/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.nifi.remote.io.socket;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.SocketChannel;
import org.apache.nifi.stream.io.BufferedInputStream;
import org.apache.nifi.stream.io.ByteCountingInputStream;
import org.apache.nifi.remote.io.InterruptableInputStream;
import org.apache.nifi.remote.protocol.CommunicationsInput;
public class SocketChannelInput implements CommunicationsInput {
private final SocketChannelInputStream socketIn;
private final ByteCountingInputStream countingIn;
private final InputStream bufferedIn;
private final InterruptableInputStream interruptableIn;
public SocketChannelInput(final SocketChannel socketChannel) throws IOException {
this.socketIn = new SocketChannelInputStream(socketChannel);
countingIn = new ByteCountingInputStream(socketIn);
bufferedIn = new BufferedInputStream(countingIn);
interruptableIn = new InterruptableInputStream(bufferedIn);
}
@Override
public InputStream getInputStream() throws IOException {
return interruptableIn;
}
public void setTimeout(final int millis) {
socketIn.setTimeout(millis);
}
public boolean isDataAvailable() {
try {
return interruptableIn.available() > 0;
} catch (final Exception e) {
return false;
}
}
@Override
public long getBytesRead() {
return countingIn.getBytesRead();
}
public void interrupt() {
interruptableIn.interrupt();
}
@Override
public void consume() throws IOException {
socketIn.consume();
}
}