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camelId

String

Camel 2.10: the CamelContext name.

camelContext.OGNL

Object

Camel 2.11: the CamelContext invoked using a Camel OGNL expression.

exchange

Exchange

Camel 2.16: the Exchange.

exchange.OGNL

Object

Camel 2.16: the Exchange invoked using a Camel OGNL expression.

exchangeId

String

Camel 2.3: the exchange Id.

id

String

The input message Id.

body

Object

The input body.

in.body

Object

The input body.

body.OGNL

Object

Camel 2.3: the input body invoked using a Camel OGNL expression.

in.body.OGNL

Object

Camel 2.3: the input body invoked using a Camel OGNL expression.

bodyAs(type)

Type

Camel 2.3: Converts the body to the given type determined by its classname. The converted body can be null.

bodyAs(type).OGNL

Object

Camel 2.18: Converts the body to the given type determined by its classname and then invoke methods using a Camel OGNL expression. The converted body can be null.

mandatoryBodyAs(type)

Type

Camel 2.5: Converts the body to the given type determined by its classname, and expects the body to be not null.

mandatoryBodyAs(type).OGNL

Object

Camel 2.18: Converts the body to the given type determined by its classname and then invoke methods using a Camel OGNL expression.

out.body

Object

The output body.

header.foo

Object

Refer to the input foo header.

header[foo]

Object

Camel 2.9.2: refer to the input foo header.

headers.foo

Object

Refer to the input foo header.

headers[foo]

Object

Camel 2.9.2: refer to the input foo header.

in.header.foo

Object

Refer to the input foo header.

in.header[foo]

Object

Camel 2.9.2: refer to the input foo header.

in.headers.foo

Object

Refer to the input foo header.

in.headers[foo]

Object

Camel 2.9.2: refer to the input foo header.

header.foo[bar]

Object

Camel 2.3: regard input foo header as a map and perform lookup on the map with bar as key.

in.header.foo[bar]

Object

Camel 2.3: regard input foo header as a map and perform lookup on the map with bar as key.

in.headers.foo[bar]

Object

Camel 2.3: regard input foo header as a map and perform lookup on the map with bar as key.

header.foo.OGNL

Object

Camel 2.3: refer to the input foo header and invoke its value using a Camel OGNL expression.

in.header.foo.OGNL

Object

Camel 2.3: refer to the input foo header and invoke its value using a Camel OGNL expression.

in.headers.foo.OGNL

Object

Camel 2.3: refer to the input foo header and invoke its value using a Camel OGNL expression.

out.header.foo

Object

Refer to the out header foo.

out.header[foo]

Object

Camel 2.9.2: refer to the out header foo.

out.headers.foo

Object

Refer to the out header foo.

out.headers[foo]

Object

Camel 2.9.2: refer to the out header foo.

headerAs(key,type)

Type

Camel 2.5: Converts the header to the given type determined by its classname.

headers

Map

Camel 2.9: refer to the input headers.

in.headers

Map

Camel 2.9: refer to the input headers.

property.foo

Object

Deprecated: refer to the foo property on the exchange.

exchangeProperty.foo

Object

Camel 2.15: refer to the foo property on the exchange.

property[foo]

Object

Deprecated: refer to the foo property on the exchange.

exchangeProperty[foo]

Object

Camel 2.15: refer to the foo property on the exchange.

property.foo.OGNL

Object

Deprecated: refer to the foo property on the exchange and invoke its value using a Camel OGNL expression.

exchangeProperty.foo.OGNL

Object

Camel 2.15: refer to the foo property on the exchange and invoke its value using a Camel OGNL expression.

sys.foo

String

Refer to the system property foo.

sysenv.foo

String

Camel 2.3: refer to the system environment property foo.

exception

Object

Camel 2.4: Refer to the exception object on the exchange, is null if no exception set on exchange. Will fallback and grab caught exceptions (Exchange.EXCEPTION_CAUGHT) if the Exchange has any.

exception.OGNL

Object

Camel 2.4: Refer to the exchange exception invoked using a Camel OGNL expression object

exception.message

String

Refer to the exception.message on the exchange, is null if no exception set on exchange. Will fallback and grab caught exceptions (Exchange.EXCEPTION_CAUGHT) if the Exchange has any.

exception.stacktrace

String

Camel 2.6. Refer to the exception.stracktrace on the exchange. Result is null if no exception set on exchange. Will fallback and grab caught exceptions (Exchange.EXCEPTION_CAUGHT) if the Exchange has any.

date:command:pattern

String

Date formatting using the java.text.SimpleDateFormat patterns. Supported commands are: 

• now for current timestamp.

• in.header.xxx or header.xxx to use the Date object in the IN header with the key xxx.

• out.header.xxx to use the Date object in the OUT header with the key xxx.

bean:bean expression

Object

Invoking a bean expression using the Bean language. Specifying a method name you must use dot as separator. We also support the ?method=methodname syntax that is used by the Bean component.

properties:locations:key

String

Deprecated (use properties-location instead) Camel 2.3: Lookup a property with the given key. The locations option is optional. See more at Using PropertyPlaceholder.

properties-location:locations:key

String

Camel 2.14.1: Lookup a property with the given key. The locations option is optional. See more at Using PropertyPlaceholder.

properties:key:default

String

Camel 2.14.1: Lookup a property with the given key. If the key does not exists or has no value, then an optional default value can be specified.

routeId

String

Camel 2.11: Returns the Id of the current route the Exchange is being routed.

threadName

String

Camel 2.3: Returns the name of the current thread. Can be used for logging purpose.

ref:xxx

Object

Camel 2.6: To lookup a bean from the Registry with the given Id.

type:name.field

Object

Camel 2.11: To refer to a type or field by its FQN name. To refer to a field you can append .FIELD_NAME. For example you can refer to the constant field from Exchange as: org.apache.camel.Exchange.FILE_NAME

.

null

null

Camel 2.12.3: represents a null.

random(value)

Integer

Camel 2.16.0: returns a random Integer between 0 (included) and value (excluded)

random(min,max)

Integer

Camel 2.16.0: returns a random Integer between min (included) and max (excluded)

collate(group)

List

Camel 2.17: The collate function iterates the message body and groups the data into sub lists of specified size. This can be used with the Splitter EIP to split a message body and group/batch the split sub messages into a group of N sub lists. This method works similar to the collate method in Groovy.

messageHistory

String

Camel 2.17: The message history of the current exchange how it has been routed. This is similar to the route stack-trace message history the error handler logs in case of an un-handled exception.

messageHistory(false)

String

Camel 2.17: As messageHistory but without the exchange details (only includes the route strack-trace). This can be used if you do not want to log sensitive data from the message itself.