/**
* Static inspection method to determine if a named property exists for a given message.
*
* @param message the JmsMessageFacade instance to read from
* @param name the property name that is being inspected.
* @return true if the message contains the given property.
* @throws JMSException if an error occurs while validating the defined property.
*/
public static boolean propertyExists(JmsMessageFacade message, String name) throws JMSException {
PropertyIntercepter jmsPropertyExpression = PROPERTY_INTERCEPTERS.get(name);
if (jmsPropertyExpression != null) {
return jmsPropertyExpression.propertyExists(message);
} else {
return message.propertyExists(name);
}
}
/**
* Static set method that takes a property name and sets the value either via a registered
* property set object or through the JmsMessageFacade setProperty method.
*
* @param message the JmsMessageFacade instance to write to.
* @param name the property name that is being written.
* @param value the new value to assign for the named property.
* @throws JMSException if an error occurs while writing the defined property.
*/
public static void setProperty(JmsMessageFacade message, String name, Object value)
throws JMSException {
PropertyIntercepter jmsPropertyExpression = PROPERTY_INTERCEPTERS.get(name);
if (jmsPropertyExpression != null) {
jmsPropertyExpression.setProperty(message, value);
} else {
message.setProperty(name, value);
}
}
/**
* For each of the currently configured message property intercepter instances clear or reset the
* value to its default. Once complete the method will direct the given provider message facade to
* clear any message properties that might have been set.
*
* @param message the JmsMessageFacade instance to read from
* @param excludeStandardJMSHeaders whether the standard JMS header names should be excluded from
* the returned set
* @throws JMSException if an error occurs while validating the defined property.
*/
public static void clearProperties(JmsMessageFacade message, boolean excludeStandardJMSHeaders)
throws JMSException {
for (Entry<String, PropertyIntercepter> entry : PROPERTY_INTERCEPTERS.entrySet()) {
if (excludeStandardJMSHeaders && STANDARD_HEADERS.contains(entry.getKey())) {
continue;
}
entry.getValue().clearProperty(message);
}
message.clearProperties();
}
/**
* Static get method that takes a property name and gets the value either via a registered
* property get object or through the JmsMessageFacade getProperty method.
*
* @param message the JmsMessageFacade instance to read from
* @param name the property name that is being requested.
* @return the correct value either mapped to an Message attribute of a Message property.
* @throws JMSException if an error occurs while reading the defined property.
*/
public static Object getProperty(JmsMessageFacade message, String name) throws JMSException {
Object value = null;
PropertyIntercepter jmsPropertyExpression = PROPERTY_INTERCEPTERS.get(name);
if (jmsPropertyExpression != null) {
value = jmsPropertyExpression.getProperty(message);
} else {
value = message.getProperty(name);
}
return value;
}
/**
* For each of the currently configured message property intercepter instance a string key value
* is inserted into an Set and returned if the property has a value and is available for a read
* operation. The Set returned may be manipulated by the receiver without impacting the facade,
* and an empty set will be returned if there are no matching properties.
*
* @param message the JmsMessageFacade instance to read from
* @param excludeStandardJMSHeaders whether the standard JMS header names should be excluded from
* the returned set
* @return a {@code Set<String>} containing the names of all intercepted properties with a value.
* @throws JMSException if an error occurs while gathering the message property names.
*/
public static Set<String> getPropertyNames(
JmsMessageFacade message, boolean excludeStandardJMSHeaders) throws JMSException {
Set<String> names = new HashSet<String>();
for (Entry<String, PropertyIntercepter> entry : PROPERTY_INTERCEPTERS.entrySet()) {
if (excludeStandardJMSHeaders && STANDARD_HEADERS.contains(entry.getKey())) {
continue;
}
if (entry.getValue().propertyExists(message)) {
names.add(entry.getKey());
}
}
names.addAll(message.getPropertyNames());
return names;
}
/**
* For each of the currently configured message property intercepter instance a string key value
* is inserted into an Set and returned.
*
* @param message the JmsMessageFacade instance to read property names from.
* @return a {@code Set<String>} containing the names of all intercepted properties.
* @throws JMSException if an error occurs while gathering the message property names.
*/
public static Set<String> getAllPropertyNames(JmsMessageFacade message) throws JMSException {
Set<String> names = new HashSet<String>(PROPERTY_INTERCEPTERS.keySet());
names.addAll(message.getPropertyNames());
return names;
}
