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/*
* 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.camel.component.jms;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import jakarta.jms.DeliveryMode;
import jakarta.jms.Destination;
import jakarta.jms.JMSException;
import jakarta.jms.Message;
import org.apache.camel.Exchange;
import org.apache.camel.support.ExchangeHelper;
import org.apache.camel.trait.message.MessageTrait;
import org.apache.camel.trait.message.RedeliveryTraitPayload;
import org.apache.camel.util.ObjectHelper;
import static org.apache.camel.component.jms.JmsConfiguration.QUEUE_PREFIX;
import static org.apache.camel.component.jms.JmsConfiguration.TEMP_QUEUE_PREFIX;
import static org.apache.camel.component.jms.JmsConfiguration.TEMP_TOPIC_PREFIX;
import static org.apache.camel.component.jms.JmsConfiguration.TOPIC_PREFIX;
import static org.apache.camel.util.StringHelper.removeStartingCharacters;
/**
* Utility class for {@link jakarta.jms.Message}.
*/
public final class JmsMessageHelper {
private JmsMessageHelper() {
}
/**
* Removes the property from the JMS message.
*
* @param jmsMessage the JMS message
* @param name name of the property to remove
* @return the old value of the property or null if not exists
* @throws JMSException can be thrown
*/
public static Object removeJmsProperty(Message jmsMessage, String name) throws JMSException {
// check if the property exists
if (!jmsMessage.propertyExists(name)) {
return null;
}
Object answer = null;
// store the properties we want to keep in a temporary map
// as the JMS API is a bit strict as we are not allowed to
// clear a single property, but must clear them all and redo
// the properties
Map map = new LinkedHashMap<>();
Enumeration en = jmsMessage.getPropertyNames();
while (en.hasMoreElements()) {
String key = (String) en.nextElement();
if (name.equals(key)) {
answer = key;
} else {
map.put(key, getProperty(jmsMessage, key));
}
}
// redo the properties to keep
jmsMessage.clearProperties();
for (Entry entry : map.entrySet()) {
jmsMessage.setObjectProperty(entry.getKey(), entry.getValue());
}
return answer;
}
/**
* Tests whether a given property with the name exists
*
* @param jmsMessage the JMS message
* @param name name of the property to test if exists
* @return true if the property exists, false if not.
* @throws JMSException can be thrown
*/
public static boolean hasProperty(Message jmsMessage, String name) throws JMSException {
Enumeration en = jmsMessage.getPropertyNames();
while (en.hasMoreElements()) {
String key = (String) en.nextElement();
if (name.equals(key)) {
return true;
}
}
return false;
}
/**
* Gets a JMS property
*
* @param jmsMessage the JMS message
* @param name name of the property to get
* @return the property value, or null if does not exists
* @throws JMSException can be thrown
*/
public static Object getProperty(Message jmsMessage, String name) throws JMSException {
Object value = jmsMessage.getObjectProperty(name);
if (value == null) {
value = jmsMessage.getStringProperty(name);
}
return value;
}
/**
* Gets a JMS property in a safe way
*
* @param jmsMessage the JMS message
* @param name name of the property to get
* @return the property value, or null if does not exists or failure to get the value
*/
public static Long getSafeLongProperty(Message jmsMessage, String name) {
try {
return jmsMessage.getLongProperty(name);
} catch (Exception e) {
// ignore
}
return null;
}
/**
* Sets the property on the given JMS message.
*
* @param jmsMessage the JMS message
* @param name name of the property to set
* @param value the value
* @throws JMSException can be thrown
*/
public static void setProperty(Message jmsMessage, String name, Object value) throws JMSException {
if (value == null) {
return;
}
if (value instanceof Byte) {
jmsMessage.setByteProperty(name, (Byte) value);
} else if (value instanceof Boolean) {
jmsMessage.setBooleanProperty(name, (Boolean) value);
} else if (value instanceof Double) {
jmsMessage.setDoubleProperty(name, (Double) value);
} else if (value instanceof Float) {
jmsMessage.setFloatProperty(name, (Float) value);
} else if (value instanceof Integer) {
jmsMessage.setIntProperty(name, (Integer) value);
} else if (value instanceof Long) {
jmsMessage.setLongProperty(name, (Long) value);
} else if (value instanceof Short) {
jmsMessage.setShortProperty(name, (Short) value);
} else if (value instanceof String) {
jmsMessage.setStringProperty(name, (String) value);
} else {
// fallback to Object
jmsMessage.setObjectProperty(name, value);
}
}
/**
* Sets the correlation id on the JMS message.
*
* Will ignore exception thrown
*
* @param message the JMS message
* @param correlationId the correlation id
*/
public static void setCorrelationId(Message message, String correlationId) {
try {
message.setJMSCorrelationID(correlationId);
} catch (JMSException e) {
// ignore
}
}
/**
* Whether the destination name has either queue or temp queue prefix.
*
* @param destination the destination
* @return true if queue or temp-queue prefix, false otherwise
*/
public static boolean isQueuePrefix(String destination) {
if (ObjectHelper.isEmpty(destination)) {
return false;
}
return destination.startsWith(QUEUE_PREFIX) || destination.startsWith(TEMP_QUEUE_PREFIX);
}
/**
* Whether the destination name has either topic or temp topic prefix.
*
* @param destination the destination
* @return true if topic or temp-topic prefix, false otherwise
*/
public static boolean isTopicPrefix(String destination) {
if (ObjectHelper.isEmpty(destination)) {
return false;
}
return destination.startsWith(TOPIC_PREFIX) || destination.startsWith(TEMP_TOPIC_PREFIX);
}
/**
* Normalizes the destination name.
*
* This ensures the destination name is correct, and we do not create queues as queue://queue:foo, which
* was intended as queue://foo.
*
* @param destination the destination
* @return the normalized destination
*/
public static String normalizeDestinationName(String destination) {
// do not include prefix which is the current behavior when using this method.
return normalizeDestinationName(destination, false);
}
/**
* Normalizes the destination name.
*
* This ensures the destination name is correct, and we do not create queues as queue://queue:foo, which
* was intended as queue://foo.
*
* @param destination the destination
* @param includePrefix whether to include queue://, or topic:// prefix in the normalized
* destination name
* @return the normalized destination
*/
public static String normalizeDestinationName(String destination, boolean includePrefix) {
if (ObjectHelper.isEmpty(destination)) {
return destination;
}
if (destination.startsWith(QUEUE_PREFIX)) {
String s = removeStartingCharacters(destination.substring(QUEUE_PREFIX.length()), '/');
if (includePrefix) {
s = QUEUE_PREFIX + "//" + s;
}
return s;
} else if (destination.startsWith(TEMP_QUEUE_PREFIX)) {
String s = removeStartingCharacters(destination.substring(TEMP_QUEUE_PREFIX.length()), '/');
if (includePrefix) {
s = TEMP_QUEUE_PREFIX + "//" + s;
}
return s;
} else if (destination.startsWith(TOPIC_PREFIX)) {
String s = removeStartingCharacters(destination.substring(TOPIC_PREFIX.length()), '/');
if (includePrefix) {
s = TOPIC_PREFIX + "//" + s;
}
return s;
} else if (destination.startsWith(TEMP_TOPIC_PREFIX)) {
String s = removeStartingCharacters(destination.substring(TEMP_TOPIC_PREFIX.length()), '/');
if (includePrefix) {
s = TEMP_TOPIC_PREFIX + "//" + s;
}
return s;
} else {
return destination;
}
}
/**
* Sets the JMSReplyTo on the message.
*
* @param message the message
* @param replyTo the reply to destination
*/
public static void setJMSReplyTo(Message message, Destination replyTo) {
try {
message.setJMSReplyTo(replyTo);
} catch (Exception e) {
// ignore due OracleAQ does not support accessing JMSReplyTo
}
}
/**
* Gets the JMSReplyTo from the message.
*
* @param message the message
* @return the reply to, can be null
*/
public static Destination getJMSReplyTo(Message message) {
try {
return message.getJMSReplyTo();
} catch (Exception e) {
// ignore due OracleAQ does not support accessing JMSReplyTo
}
return null;
}
/**
* Gets the JMSType from the message.
*
* @param message the message
* @return the type, can be null
*/
public static String getJMSType(Message message) {
try {
return message.getJMSType();
} catch (Exception e) {
// ignore due OracleAQ does not support accessing JMSType
}
return null;
}
/**
* Gets the String Properties from the message.
*
* @param message the message
* @return the type, can be null
*/
public static String getStringProperty(Message message, String propertyName) {
try {
return message.getStringProperty(propertyName);
} catch (Exception e) {
// ignore due some broker client does not support accessing StringProperty
}
return null;
}
/**
* Gets the JMSRedelivered from the message.
*
* @param message the message
* @return true if redelivered, false if not, null if not able to determine
*/
public static Boolean getJMSRedelivered(Message message) {
try {
return message.getJMSRedelivered();
} catch (Exception e) {
// ignore if JMS broker do not support this
}
return null;
}
/**
* For a given message, evaluates what is the redelivery state for it and gives the appropriate {@link MessageTrait}
* for that redelivery state
*
* @param message the message to evalute
* @return The appropriate MessageTrait for the redelivery state (one of MessageTrait.UNDEFINED_REDELIVERY,
* MessageTrait.IS_REDELIVERY or MessageTrait.NON_REDELIVERY).
*/
public static RedeliveryTraitPayload evalRedeliveryMessageTrait(Message message) {
final Boolean redelivered = JmsMessageHelper.getJMSRedelivered(message);
if (redelivered == null) {
return RedeliveryTraitPayload.UNDEFINED_REDELIVERY;
}
if (Boolean.TRUE.equals(redelivered)) {
return RedeliveryTraitPayload.IS_REDELIVERY;
}
return RedeliveryTraitPayload.NON_REDELIVERY;
}
/**
* Gets the JMSMessageID from the message.
*
* @param message the message
* @return the JMSMessageID, or null if not able to get
*/
public static String getJMSMessageID(Message message) {
try {
return message.getJMSMessageID();
} catch (Exception e) {
// ignore if JMS broker do not support this
}
return null;
}
/**
* Gets the JMSDestination from the message.
*
* @param message the message
* @return the JMSDestination, or null if not able to get
*/
public static Destination getJMSDestination(Message message) {
try {
return message.getJMSDestination();
} catch (Exception e) {
// ignore if JMS broker do not support this
}
return null;
}
/**
* Sets the JMSDeliveryMode on the message.
*
* @param exchange the exchange
* @param message the message
* @param deliveryMode the delivery mode, either as a String or integer
* @throws jakarta.jms.JMSException is thrown if error setting the delivery mode
*/
public static void setJMSDeliveryMode(Exchange exchange, Message message, Object deliveryMode) throws JMSException {
Integer mode = null;
if (deliveryMode instanceof String) {
String s = (String) deliveryMode;
if ("PERSISTENT".equalsIgnoreCase(s)) {
mode = DeliveryMode.PERSISTENT;
} else if ("NON_PERSISTENT".equalsIgnoreCase(s)) {
mode = DeliveryMode.NON_PERSISTENT;
} else {
// it may be a number in the String so try that
Integer value = ExchangeHelper.convertToType(exchange, Integer.class, deliveryMode);
if (value != null) {
mode = value;
} else {
throw new IllegalArgumentException("Unknown delivery mode with value: " + deliveryMode);
}
}
} else {
// fallback and try to convert to a number
Integer value = ExchangeHelper.convertToType(exchange, Integer.class, deliveryMode);
if (value != null) {
mode = value;
}
}
if (mode != null) {
message.setJMSDeliveryMode(mode);
message.setIntProperty(JmsConstants.JMS_DELIVERY_MODE, mode);
}
}
/**
* Gets the JMSCorrelationIDAsBytes from the message.
*
* @param message the message
* @return the JMSCorrelationIDAsBytes, or null if not able to get
*/
public static String getJMSCorrelationIDAsBytes(Message message) {
try {
byte[] bytes = message.getJMSCorrelationIDAsBytes();
boolean isNull = true;
if (bytes != null) {
for (byte b : bytes) {
if (b != 0) {
isNull = false;
break;
}
}
}
return isNull ? null : new String(bytes);
} catch (Exception e) {
// ignore if JMS broker do not support this
}
return null;
}
}
