/*
* 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.servicemix.jbi.runtime.impl;
import java.net.URI;
import java.util.Set;
import javax.jbi.messaging.ExchangeStatus;
import javax.jbi.messaging.Fault;
import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.MessagingException;
import javax.jbi.messaging.NormalizedMessage;
import javax.jbi.servicedesc.ServiceEndpoint;
import javax.xml.namespace.QName;
import org.apache.servicemix.nmr.api.Exchange;
import org.apache.servicemix.nmr.api.Message;
import org.apache.servicemix.nmr.api.Status;
import org.apache.servicemix.nmr.core.MessageImpl;
/**
* MessageExchange wrapper on top of an Exchange.
*
* @see Exchange
*/
public class MessageExchangeImpl implements MessageExchange {
public static final String INTERFACE_NAME_PROP = "javax.jbi.InterfaceName";
public static final String SERVICE_NAME_PROP = "javax.jbi.ServiceName";
public static final String SERVICE_ENDPOINT_PROP = "javax.jbi.ServiceEndpoint";
public static final String IN = "in";
public static final String OUT = "out";
public static final String FAULT = "fault";
private final Exchange exchange;
private ExchangeStatus previousStatus;
public MessageExchangeImpl(Exchange exchange) {
this.exchange = exchange;
}
public Exchange getInternalExchange() {
return exchange;
}
public String getExchangeId() {
return exchange.getId();
}
public URI getPattern() {
return URI.create(exchange.getPattern().getWsdlUri());
}
public MessageExchange.Role getRole() {
return exchange.getRole() == org.apache.servicemix.nmr.api.Role.Consumer ? MessageExchange.Role.CONSUMER : MessageExchange.Role.PROVIDER;
}
public ExchangeStatus getStatus() {
if (exchange.getStatus() == Status.Active) {
return ExchangeStatus.ACTIVE;
} else if (exchange.getStatus() == Status.Done) {
return ExchangeStatus.DONE;
} else if (exchange.getStatus() == Status.Error) {
return ExchangeStatus.ERROR;
} else {
throw new IllegalStateException();
}
}
public void setStatus(ExchangeStatus status) {
if (status == ExchangeStatus.ACTIVE) {
exchange.setStatus(Status.Active);
} else if (status == ExchangeStatus.DONE) {
exchange.setStatus(Status.Done);
} else if (status == ExchangeStatus.ERROR) {
exchange.setStatus(Status.Error);
} else {
throw new IllegalStateException();
}
}
public QName getOperation() {
return exchange.getOperation();
}
public void setOperation(QName qName) {
exchange.setOperation(qName);
}
public Object getProperty(String s) {
return exchange.getProperty(s);
}
public void setProperty(String s, Object o) {
exchange.setProperty(s, o);
}
public Set getPropertyNames() {
return exchange.getProperties().keySet();
}
public NormalizedMessage createMessage() throws MessagingException {
return new NormalizedMessageImpl(new MessageImpl());
}
public NormalizedMessage getMessage(String name) {
if (IN.equalsIgnoreCase(name)) {
return getInMessage();
} else if (OUT.equalsIgnoreCase(name)) {
return getOutMessage();
} else if (FAULT.equalsIgnoreCase(name)) {
return getFault();
} else {
throw new IllegalStateException();
}
}
public void setMessage(NormalizedMessage msg, String name) throws MessagingException {
if (IN.equalsIgnoreCase(name)) {
setInMessage(msg);
} else if (OUT.equalsIgnoreCase(name)) {
setOutMessage(msg);
} else if (FAULT.equalsIgnoreCase(name)) {
setFault((Fault) msg);
} else {
throw new IllegalStateException();
}
}
public NormalizedMessage getInMessage() {
Message msg = exchange.getIn(false);
if (msg == null) {
return null;
} else {
return new NormalizedMessageImpl(msg);
}
}
public void setInMessage(NormalizedMessage message) throws MessagingException {
if (exchange.getIn(false) != null) {
throw new MessagingException("In message already set");
}
NormalizedMessageImpl msg = (NormalizedMessageImpl) message;
exchange.setIn(msg.getInternalMessage());
}
public NormalizedMessage getOutMessage() {
Message msg = exchange.getOut(false);
if (msg == null) {
return null;
} else {
return new NormalizedMessageImpl(msg);
}
}
public void setOutMessage(NormalizedMessage message) throws MessagingException {
if (exchange.getOut(false) != null) {
throw new MessagingException("Out message already set");
}
NormalizedMessageImpl msg = (NormalizedMessageImpl) message;
exchange.setOut(msg.getInternalMessage());
}
public Fault createFault() throws MessagingException {
return new FaultImpl(new MessageImpl());
}
public Fault getFault() {
Message msg = exchange.getFault(false);
if (msg == null) {
return null;
} else {
return new FaultImpl(msg);
}
}
public void setFault(Fault message) throws MessagingException {
if (exchange.getFault(false) != null) {
throw new MessagingException("Fault message already set");
}
FaultImpl msg = (FaultImpl) message;
exchange.setFault(msg.getInternalMessage());
}
public Exception getError() {
return exchange.getError();
}
public void setError(Exception e) {
exchange.setError(e);
}
public void setEndpoint(ServiceEndpoint endpoint) {
exchange.setProperty(SERVICE_ENDPOINT_PROP, endpoint);
}
public void setService(QName service) {
exchange.setProperty(SERVICE_NAME_PROP, service);
}
public void setInterfaceName(QName interfaceName) {
exchange.setProperty(INTERFACE_NAME_PROP, interfaceName);
}
public ServiceEndpoint getEndpoint() {
return exchange.getProperty(SERVICE_ENDPOINT_PROP, ServiceEndpoint.class);
}
public QName getInterfaceName() {
return exchange.getProperty(INTERFACE_NAME_PROP, QName.class);
}
public QName getService() {
return exchange.getProperty(SERVICE_NAME_PROP, QName.class);
}
public boolean isTransacted() {
return exchange.getProperty(JTA_TRANSACTION_PROPERTY_NAME) != null;
}
void beforeReceived() throws MessagingException {
previousStatus = getStatus();
}
void afterSend() throws MessagingException {
if (previousStatus == ExchangeStatus.DONE || previousStatus == ExchangeStatus.ERROR) {
throw new MessagingException("Can not send a terminated exchange");
}
}
}