/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2008-2011 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) 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 OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.netmgt.provision.detector.simple;
import java.nio.charset.Charset;
import org.jboss.netty.channel.ChannelPipeline;
import org.jboss.netty.handler.codec.frame.DelimiterBasedFrameDecoder;
import org.jboss.netty.handler.codec.frame.Delimiters;
import org.jboss.netty.handler.codec.string.StringDecoder;
import org.jboss.netty.handler.codec.string.StringEncoder;
import org.jboss.netty.util.CharsetUtil;
import org.opennms.netmgt.provision.detector.simple.request.LineOrientedRequest;
import org.opennms.netmgt.provision.detector.simple.response.LineOrientedResponse;
import org.opennms.netmgt.provision.detector.simple.support.LineOrientedRequestEncoder;
import org.opennms.netmgt.provision.detector.simple.support.LineOrientedResponseDecoder;
import org.opennms.netmgt.provision.support.AsyncBasicDetectorNettyImpl;
import org.opennms.netmgt.provision.support.ResponseValidator;
/**
* <p>Abstract AsyncLineOrientedDetectorNettyImpl class.</p>
*
* CAUTION: This class is unused. This implementation has never been in production.
*
* @author Donald Desloge
* @version $Id: $
*/
public abstract class AsyncLineOrientedDetectorNettyImpl extends AsyncBasicDetectorNettyImpl<LineOrientedRequest, LineOrientedResponse> {
protected static final Charset CHARSET_UTF8 = Charset.forName("UTF-8");
/**
* <p>Constructor for AsyncLineOrientedDetectorNettyImpl.</p>
*
* @param serviceName a {@link java.lang.String} object.
* @param port a int.
*/
public AsyncLineOrientedDetectorNettyImpl(final String serviceName, final int port) {
super(serviceName, port);
//setProtocolCodecFilter(new ProtocolCodecFilter(new LineOrientedCodecFactory(CHARSET_UTF8)));
}
/**
* <p>Constructor for AsyncLineOrientedDetectorNettyImpl.</p>
*
* @param port a int.
* @param timeout a int.
* @param retries a int.
* @param serviceName a {@link java.lang.String} object.
*/
public AsyncLineOrientedDetectorNettyImpl(final String serviceName, final int port, final int timeout, final int retries) {
super(serviceName, port, timeout, retries);
//setProtocolCodecFilter(new ProtocolCodecFilter(new LineOrientedCodecFactory(CHARSET_UTF8)));
}
/** {@inheritDoc} */
@Override
protected ResponseValidator<LineOrientedResponse> startsWith(final String prefix) {
return new ResponseValidator<LineOrientedResponse>() {
public boolean validate(final LineOrientedResponse response) {
return response.startsWith(prefix);
}
};
}
/** {@inheritDoc} */
@Override
public ResponseValidator<LineOrientedResponse> find(final String regex){
return new ResponseValidator<LineOrientedResponse>() {
public boolean validate(final LineOrientedResponse response) {
return response.find(regex);
}
};
}
/**
* <p>request</p>
*
* @param command a {@link java.lang.String} object.
* @return a {@link org.opennms.netmgt.provision.detector.simple.request.LineOrientedRequest} object.
*/
public LineOrientedRequest request(final String command) {
return new LineOrientedRequest(command);
}
@Override
protected void appendToPipeline(ChannelPipeline retval) {
// Upstream handlers
retval.addLast("frameDecoder", new DelimiterBasedFrameDecoder(1024, Delimiters.lineDelimiter()));
retval.addLast("stringDecoder", new StringDecoder(CharsetUtil.UTF_8));
retval.addLast("lineDecoder", new LineOrientedResponseDecoder());
// Downstream handlers
retval.addLast("stringEncoder", new StringEncoder(CharsetUtil.UTF_8));
retval.addLast("lineEncoder", new LineOrientedRequestEncoder());
}
}