/**************************************************************************************
https://camel-extra.github.io
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
http://www.gnu.org/licenses/lgpl-3.0-standalone.html
***************************************************************************************/
package org.apacheextras.camel.component.wmq;
import com.ibm.mq.MQDestination;
import com.ibm.mq.MQMessage;
import com.ibm.mq.MQQueue;
import com.ibm.mq.MQQueueManager;
import com.ibm.mq.constants.MQConstants;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.impl.DefaultProducer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class WMQProducer extends DefaultProducer {
private final static Logger LOGGER = LoggerFactory.getLogger(WMQProducer.class);
private final WMQEndpoint endpoint;
public WMQProducer(WMQEndpoint endpoint) {
super(endpoint);
this.endpoint = endpoint;
}
@Override
public WMQEndpoint getEndpoint() {
return (WMQEndpoint) super.getEndpoint();
}
public void process(Exchange exchange) throws Exception {
WMQComponent component = (WMQComponent) this.getEndpoint().getComponent();
MQQueueManager queueManager = component.getQueueManager(getEndpoint().getQueueManagerName(),
getEndpoint().getQueueManagerHostname(),
getEndpoint().getQueueManagerPort(),
getEndpoint().getQueueManagerChannel(),
getEndpoint().getQueueManagerUserID(),
getEndpoint().getQueueManagerPassword(),
getEndpoint().getQueueManagerCCSID());
Message in = exchange.getIn();
LOGGER.debug("Accessing to MQQueue {}", endpoint.getDestinationName());
int MQOO = MQConstants.MQOO_OUTPUT;
if (in.getHeader("MQOO") != null) {
LOGGER.debug("MQOO defined to {}", in.getHeader("MQOO"));
MQOO = (Integer) in.getHeader("MQOO");
}
MQDestination destination;
if (getEndpoint().getDestinationName().startsWith("topic:")) {
String destinationName = getEndpoint().getDestinationName().substring("topic:".length());
destination = queueManager.accessTopic(destinationName, null, MQOO, null, null);
} else {
String destinationName = getEndpoint().getDestinationName();
if (destinationName.startsWith("queue:")) {
destinationName = destinationName.substring("queue:".length());
}
destination = queueManager.accessQueue(destinationName, MQOO, null, null, null);
}
LOGGER.info("Creating MQMessage");
MQMessage message = new MQMessage();
LOGGER.info("Populating MQMD headers");
if (in.getHeader("mq.mqmd.format") != null)
message.format = (String) in.getHeader("mq.mqmd.format");
if (in.getHeader("mq.mqmd.charset") != null)
message.characterSet = (Integer) in.getHeader("mq.mqmd.charset");
if (in.getHeader("mq.mqmd.expiry") != null)
message.expiry = (Integer) in.getHeader("mq.mqmd.expiry");
if (in.getHeader("mq.mqmd.put.appl.name") != null)
message.putApplicationName = (String) in.getHeader("mq.mqmd.put.appl.name");
if (in.getHeader("mq.mqmd.group.id") != null)
message.groupId = (byte[]) in.getHeader("mq.mqmd.group.id");
if (in.getHeader("mq.mqmd.msg.seq.number") != null)
message.messageSequenceNumber = (Integer) in.getHeader("mq.mqmd.msg.seq.number");
if (in.getHeader("mq.mqmd.msg.accounting.token") != null)
message.accountingToken = (byte[]) in.getHeader("mq.mqmd.msg.accounting.token");
if (in.getHeader("mq.mqmd.correl.id") != null)
message.correlationId = (byte[]) in.getHeader("mq.mqmd.correl.id");
if (in.getHeader("mq.mqmd.replyto.q") != null)
message.replyToQueueName = (String) in.getHeader("mq.mqmd.replyto.q");
if (in.getHeader("mq.mqmd.replyto.q.mgr") != null)
message.replyToQueueManagerName = (String) in.getHeader("mq.mqmd.replyto.q.mgr");
boolean rfh2 = false;
if (in.getHeaders().containsKey("mq.rfh2.format")) {
LOGGER.info("mq.rfh2.format");
message.format = MQConstants.MQFMT_RF_HEADER_2;
rfh2 = true;
}
if (in.getHeader("mq.rfh2.struct.id") != null && rfh2) {
LOGGER.info("mq.rfh2.struct.id defined: {}", in.getHeader("mq.rfh2.struct.id"));
message.writeString((String) in.getHeader("mq.rfh2.struct.id"));
} else if (rfh2){
LOGGER.info("mq.rfh2.struct.id not defined, fallback: {}", MQConstants.MQRFH_STRUC_ID);
message.writeString(MQConstants.MQRFH_STRUC_ID);
}
if (in.getHeader("mq.rfh2.version") != null && rfh2) {
LOGGER.info("mq.rfh2.version defined: {}", in.getHeader("mq.rfh2.version"));
message.writeInt4((Integer) in.getHeader("mq.rfh2.version"));
} else if (rfh2){
LOGGER.info("mq.rfh2.version not defined, fallback: {}", MQConstants.MQRFH_VERSION_2);
message.writeInt4(MQConstants.MQRFH_VERSION_2);
}
// TODO iterator on the headers and folders
// v2 folders: mcd, jms, usr, PubSub, pscr, other
LOGGER.info("Dealing with RFH2 folders");
String mcd = (String) in.getHeader("mq.rfh2.folder.mcd");
String jms = (String) in.getHeader("mq.rfh2.folder.jms");
String usr = (String) in.getHeader("mq.rfh2.folder.usr");
String pub = (String) in.getHeader("mq.rfh2.folder.psc");
String pscr = (String) in.getHeader("mq.rfh2.folder.pscr");
String other = (String) in.getHeader("mq.rfh2.folder.other");
if (mcd != null) {
LOGGER.debug("MCD V2 FOLDER: {}", mcd);
while (mcd.length() % 4 != 0) {
mcd = mcd + " ";
}
}
if (jms != null) {
LOGGER.debug("JMS V2 FOLDER: {}", jms);
while (jms.length() % 4 != 0) {
jms = jms + " ";
}
}
if (usr != null) {
LOGGER.debug("USR V2 FOLDER: {}", usr);
while (usr.length() % 4 != 0) {
usr = usr + " ";
}
}
if (pub != null) {
LOGGER.debug("PUB V2 FOLDER: {}", pub);
while (pub.length() % 4 != 0) {
pub = pub + " ";
}
}
if (pscr != null) {
LOGGER.debug("PSCR V2 FOLDER: {}", pscr);
while (pscr.length() % 4 != 0) {
pscr = pscr + " ";
}
}
if (other != null) {
LOGGER.debug("OTHER V2 FOLDER: {}", other);
while (other.length() % 4 != 0) {
other = other + " ";
}
}
int folderSize = 0;
int overhead = 0;
if (mcd != null) {
folderSize = folderSize + mcd.length();
overhead = overhead + 4;
}
if (jms != null) {
folderSize = folderSize + jms.length();
overhead = overhead + 4;
}
if (usr != null) {
folderSize = folderSize + usr.length();
overhead = overhead + 4;
}
if (pub != null) {
folderSize = folderSize + pub.length();
overhead = overhead + 4;
}
if (pscr != null) {
folderSize = folderSize + pscr.length();
overhead = overhead + 4;
}
if (other != null) {
folderSize = folderSize + other.length();
overhead = overhead + 4;
}
if (rfh2) {
LOGGER.debug("Set message length: {}", MQConstants.MQRFH_STRUC_LENGTH_FIXED_2 + folderSize + overhead);
message.writeInt4(MQConstants.MQRFH_STRUC_LENGTH_FIXED_2 + folderSize + overhead);
}
if (in.getHeader("mq.rfh2.encoding") != null && rfh2) {
LOGGER.debug("mq.rfh2.encoding defined: {}", in.getHeader("mq.rfh2.encoding"));
message.writeInt4((Integer) in.getHeader("mq.rfh2.encoding"));
} else if (rfh2) {
LOGGER.debug("mq.rfh2.encoding not defined, fallback: {}", MQConstants.MQENC_NATIVE);
message.writeInt4(MQConstants.MQENC_NATIVE);
}
if (in.getHeader("mq.rfh2.coded.charset.id") != null && rfh2) {
LOGGER.debug("mq.rfh2.coded.charset.id defined: {}", in.getHeader("mq.rfh2.coded.charset.id"));
message.writeInt4((Integer) in.getHeader("mq.rfh2.coded.charset.id"));
} else if (rfh2) {
LOGGER.debug("mq.rfh2.coded.charset.id not defined, fallback: {}", MQConstants.MQCCSI_DEFAULT);
message.writeInt4(MQConstants.MQCCSI_DEFAULT);
}
if (rfh2) {
message.writeString(MQConstants.MQFMT_NONE);
message.writeInt4(MQConstants.MQRFH_NO_FLAGS);
message.writeInt4(1208);
}
if (mcd != null) {
message.writeInt4(mcd.length());
message.writeString(mcd);
}
if (jms != null) {
message.writeInt4(jms.length());
message.writeString(jms);
}
if (usr != null) {
message.writeInt4(usr.length());
message.writeString(usr);
}
if (pub != null) {
message.writeInt4(pub.length());
message.writeString(pub);
}
if (pscr != null) {
message.writeInt4(pscr.length());
message.writeString(pscr);
}
if (other != null) {
message.writeInt4(other.length());
message.writeString(other);
}
// TODO push all other in.headers in the MQ Message ?
message.writeString(in.getBody(String.class));
LOGGER.debug("Putting the message ...");
destination.put(message);
destination.close();
}
}