org.apache.camel.builder

Class ExpressionBuilder

java.lang.Object

org.apache.camel.builder.ExpressionBuilder

public final class ExpressionBuilder
extends Object

A helper class for working with expressions.

Method Summary

Modifier and Type	Method and Description
static org.apache.camel.Expression	append(org.apache.camel.Expression left, org.apache.camel.Expression right) Appends the String evaluations of the two expressions together
static org.apache.camel.Expression	attachmentObjectsExpression() Returns an expression for the inbound message attachments
static org.apache.camel.Expression	attachmentObjectValuesExpression() Returns an expression for the inbound message attachments
static org.apache.camel.Expression	attachmentsExpression() Returns an expression for the inbound message attachments
static org.apache.camel.Expression	attachmentValuesExpression() Returns an expression for the inbound message attachments
static org.apache.camel.Expression	beanExpression(Class<?> beanType, String methodName) Deprecated.
static org.apache.camel.Expression	beanExpression(Object bean, String methodName) Deprecated.
static org.apache.camel.Expression	beanExpression(String expression)
static org.apache.camel.Expression	beanExpression(String beanRef, String methodName) Deprecated.
static org.apache.camel.Expression	bodyExpression() Returns the expression for the exchanges inbound message body
static org.apache.camel.Expression	bodyExpression(BiFunction<Object,Map<String,Object>,Object> function) Returns a functional expression for the exchanges inbound message body and headers
static <T> org.apache.camel.Expression	bodyExpression(Class<T> type) Returns the expression for the exchanges inbound message body converted to the given type
static <T> org.apache.camel.Expression	bodyExpression(Class<T> bodyType, BiFunction<T,Map<String,Object>,Object> function) Returns a functional expression for the exchanges inbound message body converted to a desired type and headers
static <T> org.apache.camel.Expression	bodyExpression(Class<T> bodyType, Function<T,Object> function) Returns a functional expression for the exchanges inbound message body converted to a desired type
static org.apache.camel.Expression	bodyExpression(Function<Object,Object> function) Returns a functional expression for the exchanges inbound message body
static org.apache.camel.Expression	bodyExpression(String name) Returns the expression for the exchanges inbound message body converted to the given type
static org.apache.camel.Expression	bodyOgnlExpression(String ognl) Returns the expression for the exchanges inbound message body invoking methods defined in a simple OGNL notation
static org.apache.camel.Expression	bodyOgnlExpression(String name, String ognl) Returns the expression for the exchanges inbound message body converted to the given type and invoking methods on the converted body defined in a simple OGNL notation
static org.apache.camel.Expression	bodyTypeExpression() Returns the expression for the exchanges inbound message body type
static org.apache.camel.Expression	cacheExpression(org.apache.camel.Expression expression) Returns an expression that caches the evaluation of another expression and returns the cached value, to avoid re-evaluating the expression.
static org.apache.camel.Expression	camelContextExpression() Returns an expression for the CamelContext
static org.apache.camel.Expression	camelContextNameExpression() Returns an expression for the CamelContext name
static org.apache.camel.Expression	camelContextOgnlExpression(String ognl) Returns the expression for the exchanges camelContext invoking methods defined in a simple OGNL notation
static org.apache.camel.Expression	camelContextPropertiesExpression() Returns an expression for the properties of the camel context
static org.apache.camel.Expression	camelContextPropertyExpression(String propertyName) Returns an expression for the property value of the camel context with the given name
static org.apache.camel.Expression	collateExpression(String expression, int group) Returns an iterator to collate (iterate) the given expression
static org.apache.camel.Expression	concatExpression(Collection<org.apache.camel.Expression> expressions) Returns an expression which returns the string concatenation value of the various expressions
static org.apache.camel.Expression	concatExpression(Collection<org.apache.camel.Expression> expressions, String description) Returns an expression which returns the string concatenation value of the various expressions
static org.apache.camel.Expression	constantExpression(Object value) Returns an expression for the constant value
static org.apache.camel.Expression	convertToExpression(org.apache.camel.Expression expression, Class<?> type) Returns an expression which converts the given expression to the given type
static org.apache.camel.Expression	convertToExpression(org.apache.camel.Expression expression, org.apache.camel.Expression type) Returns an expression which converts the given expression to the given type the type expression is evaluated to
static org.apache.camel.Expression	dateExpression(String command)
static org.apache.camel.Expression	dateExpression(String command, String pattern)
static org.apache.camel.Expression	dateExpression(String commandWithOffsets, String timezone, String pattern)
static org.apache.camel.Expression	exchangeExceptionExpression() Returns an expression for an exception set on the exchange
static org.apache.camel.Expression	exchangeExceptionExpression(Class<Exception> type) Returns an expression for an exception set on the exchange Is used to get the caused exception that typically have been wrapped in some sort of Camel wrapper exception
static org.apache.camel.Expression	exchangeExceptionMessageExpression() Returns an expression for an exception message set on the exchange
static org.apache.camel.Expression	exchangeExceptionOgnlExpression(String ognl) Returns the expression for the exchanges exception invoking methods defined in a simple OGNL notation
static org.apache.camel.Expression	exchangeExceptionStackTraceExpression() Returns an expression for an exception stacktrace set on the exchange
static org.apache.camel.Expression	exchangeExpression() Returns the expression for the exchange
static org.apache.camel.Expression	exchangeExpression(Function<org.apache.camel.Exchange,Object> function) Returns a functional expression for the exchange
static org.apache.camel.Expression	exchangeIdExpression() Returns an Expression for the exchange id
static org.apache.camel.Expression	exchangeOgnlExpression(String ognl) Returns the expression for the exchange invoking methods defined in a simple OGNL notation
static org.apache.camel.Expression	exchangePatternExpression() Returns an expression for the exchange pattern
static org.apache.camel.Expression	exchangePropertiesExpression() Returns an expression for the exchange properties of exchange
static org.apache.camel.Expression	exchangePropertyExpression(String propertyName) Returns an expression for the property value of exchange with the given name
static org.apache.camel.Expression	faultBodyExpression() Returns the expression for the fault messages body
static <T> org.apache.camel.Expression	faultBodyExpression(Class<T> type) Returns the expression for the exchanges fault message body converted to the given type
static org.apache.camel.Expression	fileAbsoluteExpression()
static org.apache.camel.Expression	fileAbsolutePathExpression()
static org.apache.camel.Expression	fileExtensionExpression()
static org.apache.camel.Expression	fileExtensionSingleExpression()
static org.apache.camel.Expression	fileLastModifiedExpression()
static org.apache.camel.Expression	fileNameExpression()
static org.apache.camel.Expression	fileNameNoExtensionExpression()
static org.apache.camel.Expression	fileNameNoExtensionSingleExpression()
static org.apache.camel.Expression	fileOnlyNameExpression()
static org.apache.camel.Expression	fileOnlyNameNoExtensionExpression()
static org.apache.camel.Expression	fileOnlyNameNoExtensionSingleExpression()
static org.apache.camel.Expression	fileParentExpression()
static org.apache.camel.Expression	filePathExpression()
static org.apache.camel.Expression	fileSizeExpression()
static org.apache.camel.Expression	groupIteratorExpression(org.apache.camel.Expression expression, String token, String group, boolean skipFirst)
static org.apache.camel.Expression	groupXmlIteratorExpression(org.apache.camel.Expression expression, String group)
static org.apache.camel.Expression	headerExpression(String headerName) Returns an expression for the header value with the given name Will fallback and look in properties if not found in headers.
static <T> org.apache.camel.Expression	headerExpression(String headerName, Class<T> type) Returns an expression for the header value with the given name converted to the given type Will fallback and look in properties if not found in headers.
static org.apache.camel.Expression	headerExpression(String headerName, String typeName) Returns an expression for the header value with the given name converted to the given type Will fallback and look in properties if not found in headers.
static org.apache.camel.Expression	headersExpression() Returns an expression for the inbound message headers
static org.apache.camel.Expression	headersOgnlExpression(String ognl) Returns the expression for the exchanges inbound message header invoking methods defined in a simple OGNL notation
static org.apache.camel.Expression	inMessageExpression() Returns the expression for the IN message
static org.apache.camel.Expression	inMessageExpression(Function<org.apache.camel.Message,Object> function) Returns a functional expression for the IN message
static org.apache.camel.Expression	languageExpression(String language, String expression) Returns an expression for evaluating the expression/predicate using the given language
static <T> org.apache.camel.Expression	mandatoryBodyExpression(Class<T> type) Returns the expression for the exchanges inbound message body converted to the given type.
static <T> org.apache.camel.Expression	mandatoryBodyExpression(Class<T> type, boolean nullBodyAllowed) Returns the expression for the exchanges inbound message body converted to the given type
static org.apache.camel.Expression	mandatoryBodyExpression(String name) Returns the expression for the exchanges inbound message body converted to the given type
static org.apache.camel.Expression	mandatoryBodyOgnlExpression(String name, String ognl) Returns the expression for the exchanges inbound message body converted to the given type and invoking methods on the converted body defined in a simple OGNL notation
static org.apache.camel.Expression	messageExpression() Returns the expression for the IN message
static org.apache.camel.Expression	messageExpression(Function<org.apache.camel.Message,Object> function) Returns a functional expression for the IN message
static org.apache.camel.Expression	messageHistoryExpression(boolean detailed) Returns the message history (including exchange details or not)
static org.apache.camel.Expression	messageIdExpression() Returns an Expression for the inbound message id
static org.apache.camel.Expression	nullExpression() Returns the expression for the null value
static org.apache.camel.Expression	ognlExpression(org.apache.camel.Expression exp, String ognl) Returns the expression for invoking a method (support OGNL syntax) on the given expression
static org.apache.camel.Expression	outBodyExpression() Returns the expression for the out messages body
static <T> org.apache.camel.Expression	outBodyExpression(Class<T> type) Returns the expression for the exchanges outbound message body converted to the given type
static org.apache.camel.Expression	outHeaderExpression(String headerName) Returns an expression for the out header value with the given name Will fallback and look in properties if not found in headers.
static org.apache.camel.Expression	outHeadersExpression() Returns an expression for the outbound message headers
static org.apache.camel.Expression	outMessageExpression() Returns the expression for the OUT message
static org.apache.camel.Expression	outMessageExpression(Function<org.apache.camel.Message,Object> function) Returns a functional expression for the OUT message
static org.apache.camel.Expression	parseSimpleOrFallbackToConstantExpression(String str, org.apache.camel.CamelContext camelContext) Returns Simple expression or fallback to Constant expression if expression str is not Simple expression.
static org.apache.camel.Expression	prepend(org.apache.camel.Expression left, org.apache.camel.Expression right) Prepends the String evaluations of the two expressions together
static org.apache.camel.Expression	propertiesComponentExpression(String key, String locations, String defaultValue)
static org.apache.camel.Expression	propertyOgnlExpression(String ognl) Returns an expression for the property value of exchange with the given name invoking methods defined in a simple OGNL notation
static org.apache.camel.Expression	randomExpression(int max) Returns a random number between 0 and max (exclusive)
static org.apache.camel.Expression	randomExpression(int min, int max) Returns a random number between min and max (exclusive)
static org.apache.camel.Expression	randomExpression(String min, String max) Returns a random number between min and max (exclusive)
static org.apache.camel.Expression	refExpression(String ref) Returns an expression for lookup a bean in the Registry
static org.apache.camel.Expression	regexReplaceAll(org.apache.camel.Expression expression, String regex, org.apache.camel.Expression replacementExpression) Transforms the expression into a String then performs the regex replaceAll to transform the String and return the result
static org.apache.camel.Expression	regexReplaceAll(org.apache.camel.Expression expression, String regex, String replacement) Transforms the expression into a String then performs the regex replaceAll to transform the String and return the result
static org.apache.camel.Expression	regexTokenizeExpression(org.apache.camel.Expression expression, String regexTokenizer) Returns a tokenize expression which will tokenize the string with the given regex
static org.apache.camel.Expression	registryExpression() Returns an expression for the Registry
static org.apache.camel.Expression	routeIdExpression() Returns an Expression for the route id
static org.apache.camel.Expression	simpleExpression(String expression)
static org.apache.camel.Expression	skipExpression(String expression, int number) Returns an iterator to skip (iterate) the given expression
static org.apache.camel.Expression	skipFirstExpression(org.apache.camel.Expression expression) Returns an expression that skips the first element
static org.apache.camel.Expression	skipIteratorExpression(org.apache.camel.Expression expression, int skip)
static org.apache.camel.Expression	sortExpression(org.apache.camel.Expression expression, Comparator comparator) Returns a sort expression which will sort the expression with the given comparator.
static org.apache.camel.Expression	systemEnvironmentExpression(String propertyName) Returns an expression for a system environment value with the given name
static org.apache.camel.Expression	systemEnvironmentExpression(String propertyName, String defaultValue) Returns an expression for a system environment value with the given name
static org.apache.camel.Expression	systemPropertyExpression(String propertyName) Returns an expression for a system property value with the given name
static org.apache.camel.Expression	systemPropertyExpression(String propertyName, String defaultValue) Returns an expression for a system property value with the given name
static org.apache.camel.Expression	threadNameExpression() Returns the expression for the current thread name
static org.apache.camel.Expression	toExpression(String uri) Deprecated. not in use, and not available in XML DSL
static org.apache.camel.Expression	tokenizeExpression(org.apache.camel.Expression expression, String token) Returns a tokenize expression which will tokenize the string with the given token
static org.apache.camel.Expression	tokenizePairExpression(String startToken, String endToken, boolean includeTokens) Returns an TokenPairExpressionIterator expression
static org.apache.camel.Expression	tokenizeXMLAwareExpression(String path, char mode)
static org.apache.camel.Expression	tokenizeXMLAwareExpression(String path, char mode, int group)
static org.apache.camel.Expression	tokenizeXMLExpression(String tagName, String inheritNamespaceTagName) Returns an TokenXMLExpressionIterator expression
static org.apache.camel.Expression	typeConverterExpression() Returns an expression for the type converter
static org.apache.camel.Expression	typeExpression(String name) Returns an expression for a type value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

attachmentObjectsExpression

public static org.apache.camel.Expression attachmentObjectsExpression()

Returns an expression for the inbound message attachments

Returns:

an expression object which will return the inbound message attachments

attachmentObjectValuesExpression

public static org.apache.camel.Expression attachmentObjectValuesExpression()

Returns an expression for the inbound message attachments

Returns:

an expression object which will return the inbound message attachments

attachmentsExpression

public static org.apache.camel.Expression attachmentsExpression()

Returns an expression for the inbound message attachments

Returns:

an expression object which will return the inbound message attachments

attachmentValuesExpression

public static org.apache.camel.Expression attachmentValuesExpression()

Returns an expression for the inbound message attachments

Returns:

an expression object which will return the inbound message attachments

headerExpression

public static org.apache.camel.Expression headerExpression(String headerName)

Returns an expression for the header value with the given name

Will fallback and look in properties if not found in headers.

Parameters:

headerName - the name of the header the expression will return

Returns:

an expression object which will return the header value

headerExpression

public static <T> org.apache.camel.Expression headerExpression(String headerName,
                                                               Class<T> type)

Returns an expression for the header value with the given name converted to the given type

Will fallback and look in properties if not found in headers.

Parameters:

headerName - the name of the header the expression will return

type - the type to convert to

Returns:

an expression object which will return the header value

headerExpression

public static org.apache.camel.Expression headerExpression(String headerName,
                                                           String typeName)

Returns an expression for the header value with the given name converted to the given type

Will fallback and look in properties if not found in headers.

Parameters:

headerName - the name of the header the expression will return

typeName - the type to convert to as a FQN class name

Returns:

an expression object which will return the header value

headersOgnlExpression

public static org.apache.camel.Expression headersOgnlExpression(String ognl)

Returns the expression for the exchanges inbound message header invoking methods defined in a simple OGNL notation

Parameters:

ognl - methods to invoke on the header in a simple OGNL syntax

headersExpression

public static org.apache.camel.Expression headersExpression()

Returns an expression for the inbound message headers

Returns:

an expression object which will return the inbound headers

outHeaderExpression

public static org.apache.camel.Expression outHeaderExpression(String headerName)

Returns an expression for the out header value with the given name

Will fallback and look in properties if not found in headers.

Parameters:

headerName - the name of the header the expression will return

Returns:

an expression object which will return the header value

outHeadersExpression

public static org.apache.camel.Expression outHeadersExpression()

Returns an expression for the outbound message headers

Returns:

an expression object which will return the headers, will be null if the exchange is not out capable.

exchangePatternExpression

public static org.apache.camel.Expression exchangePatternExpression()

Returns an expression for the exchange pattern

Returns:

an expression object which will return the exchange pattern

See Also:

Exchange.getPattern()

exchangeExceptionExpression

public static org.apache.camel.Expression exchangeExceptionExpression()

Returns an expression for an exception set on the exchange

Returns:

an expression object which will return the exception set on the exchange

See Also:

Exchange.getException()

exchangeExceptionExpression

public static org.apache.camel.Expression exchangeExceptionExpression(Class<Exception> type)

Returns an expression for an exception set on the exchange

Is used to get the caused exception that typically have been wrapped in some sort of Camel wrapper exception

Parameters:

type - the exception type

Returns:

an expression object which will return the exception set on the exchange

See Also:

Exchange.getException(Class)

exchangeExceptionOgnlExpression

public static org.apache.camel.Expression exchangeExceptionOgnlExpression(String ognl)

Returns the expression for the exchanges exception invoking methods defined in a simple OGNL notation

Parameters:

ognl - methods to invoke on the body in a simple OGNL syntax

typeConverterExpression

public static org.apache.camel.Expression typeConverterExpression()

Returns an expression for the type converter

Returns:

an expression object which will return the type converter

registryExpression

public static org.apache.camel.Expression registryExpression()

Returns an expression for the Registry

Returns:

an expression object which will return the registry

refExpression

public static org.apache.camel.Expression refExpression(String ref)

Returns an expression for lookup a bean in the Registry

Returns:

an expression object which will return the bean

camelContextExpression

public static org.apache.camel.Expression camelContextExpression()

Returns an expression for the CamelContext

Returns:

an expression object which will return the camel context

camelContextNameExpression

public static org.apache.camel.Expression camelContextNameExpression()

Returns an expression for the CamelContext name

Returns:

an expression object which will return the camel context name

exchangeExceptionMessageExpression

public static org.apache.camel.Expression exchangeExceptionMessageExpression()

Returns an expression for an exception message set on the exchange

Returns:

an expression object which will return the exception message set on the exchange

See Also:

Exchange.getException().getMessage()

exchangeExceptionStackTraceExpression

public static org.apache.camel.Expression exchangeExceptionStackTraceExpression()

Returns an expression for an exception stacktrace set on the exchange

Returns:

an expression object which will return the exception stacktrace set on the exchange

exchangePropertyExpression

public static org.apache.camel.Expression exchangePropertyExpression(String propertyName)

Returns an expression for the property value of exchange with the given name

Parameters:

propertyName - the name of the property the expression will return

Returns:

an expression object which will return the property value

propertyOgnlExpression

public static org.apache.camel.Expression propertyOgnlExpression(String ognl)

Returns an expression for the property value of exchange with the given name invoking methods defined in a simple OGNL notation

Parameters:

ognl - methods to invoke on the property in a simple OGNL syntax

exchangePropertiesExpression

public static org.apache.camel.Expression exchangePropertiesExpression()

Returns an expression for the exchange properties of exchange

Returns:

an expression object which will return the exchange properties

camelContextPropertiesExpression

public static org.apache.camel.Expression camelContextPropertiesExpression()

Returns an expression for the properties of the camel context

Returns:

an expression object which will return the properties

camelContextPropertyExpression

public static org.apache.camel.Expression camelContextPropertyExpression(String propertyName)

Returns an expression for the property value of the camel context with the given name

Parameters:

propertyName - the name of the property the expression will return

Returns:

an expression object which will return the property value

systemPropertyExpression

public static org.apache.camel.Expression systemPropertyExpression(String propertyName)

Returns an expression for a system property value with the given name

Parameters:

propertyName - the name of the system property the expression will return

Returns:

an expression object which will return the system property value

systemPropertyExpression

public static org.apache.camel.Expression systemPropertyExpression(String propertyName,
                                                                   String defaultValue)

Returns an expression for a system property value with the given name

Parameters:

propertyName - the name of the system property the expression will return

defaultValue - default value to return if no system property exists

Returns:

an expression object which will return the system property value

systemEnvironmentExpression

public static org.apache.camel.Expression systemEnvironmentExpression(String propertyName)

Returns an expression for a system environment value with the given name

Parameters:

propertyName - the name of the system environment the expression will return

Returns:

an expression object which will return the system property value

systemEnvironmentExpression

public static org.apache.camel.Expression systemEnvironmentExpression(String propertyName,
                                                                      String defaultValue)

Returns an expression for a system environment value with the given name

Parameters:

propertyName - the name of the system environment the expression will return

defaultValue - default value to return if no system environment exists

Returns:

an expression object which will return the system environment value

constantExpression

public static org.apache.camel.Expression constantExpression(Object value)

Returns an expression for the constant value

Parameters:

value - the value the expression will return

Returns:

an expression object which will return the constant value

languageExpression

public static org.apache.camel.Expression languageExpression(String language,
                                                             String expression)

Returns an expression for evaluating the expression/predicate using the given language

Parameters:

expression - the expression or predicate

Returns:

an expression object which will evaluate the expression/predicate using the given language

typeExpression

public static org.apache.camel.Expression typeExpression(String name)

Returns an expression for a type value

Parameters:

name - the type name

Returns:

an expression object which will return the type value

cacheExpression

public static org.apache.camel.Expression cacheExpression(org.apache.camel.Expression expression)

Returns an expression that caches the evaluation of another expression and returns the cached value, to avoid re-evaluating the expression.

Parameters:

expression - the target expression to cache

Returns:

the cached value

bodyExpression

public static org.apache.camel.Expression bodyExpression()

Returns the expression for the exchanges inbound message body

bodyExpression

public static org.apache.camel.Expression bodyExpression(Function<Object,Object> function)

Returns a functional expression for the exchanges inbound message body

bodyExpression

public static org.apache.camel.Expression bodyExpression(BiFunction<Object,Map<String,Object>,Object> function)

Returns a functional expression for the exchanges inbound message body and headers

bodyExpression

public static <T> org.apache.camel.Expression bodyExpression(Class<T> bodyType,
                                                             Function<T,Object> function)

Returns a functional expression for the exchanges inbound message body converted to a desired type

bodyExpression

public static <T> org.apache.camel.Expression bodyExpression(Class<T> bodyType,
                                                             BiFunction<T,Map<String,Object>,Object> function)

Returns a functional expression for the exchanges inbound message body converted to a desired type and headers

bodyOgnlExpression

public static org.apache.camel.Expression bodyOgnlExpression(String ognl)

Returns the expression for the exchanges inbound message body invoking methods defined in a simple OGNL notation

Parameters:

ognl - methods to invoke on the body in a simple OGNL syntax

ognlExpression

public static org.apache.camel.Expression ognlExpression(org.apache.camel.Expression exp,
                                                         String ognl)

Returns the expression for invoking a method (support OGNL syntax) on the given expression

Parameters:

exp - the expression to evaluate and invoke the method on its result

ognl - methods to invoke on the evaluated expression in a simple OGNL syntax

camelContextOgnlExpression

public static org.apache.camel.Expression camelContextOgnlExpression(String ognl)

Returns the expression for the exchanges camelContext invoking methods defined in a simple OGNL notation

Parameters:

ognl - methods to invoke on the context in a simple OGNL syntax

exchangeOgnlExpression

public static org.apache.camel.Expression exchangeOgnlExpression(String ognl)

Returns the expression for the exchange invoking methods defined in a simple OGNL notation

Parameters:

ognl - methods to invoke on the exchange in a simple OGNL syntax

bodyExpression

public static <T> org.apache.camel.Expression bodyExpression(Class<T> type)

Returns the expression for the exchanges inbound message body converted to the given type

bodyExpression

public static org.apache.camel.Expression bodyExpression(String name)

Returns the expression for the exchanges inbound message body converted to the given type

bodyOgnlExpression

public static org.apache.camel.Expression bodyOgnlExpression(String name,
                                                             String ognl)

Returns the expression for the exchanges inbound message body converted to the given type and invoking methods on the converted body defined in a simple OGNL notation

mandatoryBodyExpression

public static org.apache.camel.Expression mandatoryBodyExpression(String name)

Returns the expression for the exchanges inbound message body converted to the given type

mandatoryBodyOgnlExpression

public static org.apache.camel.Expression mandatoryBodyOgnlExpression(String name,
                                                                      String ognl)

Returns the expression for the exchanges inbound message body converted to the given type and invoking methods on the converted body defined in a simple OGNL notation

threadNameExpression

public static org.apache.camel.Expression threadNameExpression()

Returns the expression for the current thread name

nullExpression

public static org.apache.camel.Expression nullExpression()

Returns the expression for the null value

mandatoryBodyExpression

public static <T> org.apache.camel.Expression mandatoryBodyExpression(Class<T> type)

Returns the expression for the exchanges inbound message body converted to the given type.

Does not allow null bodies.

mandatoryBodyExpression

public static <T> org.apache.camel.Expression mandatoryBodyExpression(Class<T> type,
                                                                      boolean nullBodyAllowed)

Returns the expression for the exchanges inbound message body converted to the given type

Parameters:

type - the type

nullBodyAllowed - whether null bodies is allowed and if so a null is returned, otherwise an exception is thrown

bodyTypeExpression

public static org.apache.camel.Expression bodyTypeExpression()

Returns the expression for the exchanges inbound message body type

outBodyExpression

public static org.apache.camel.Expression outBodyExpression()

Returns the expression for the out messages body

outBodyExpression

public static <T> org.apache.camel.Expression outBodyExpression(Class<T> type)

Returns the expression for the exchanges outbound message body converted to the given type

faultBodyExpression

public static org.apache.camel.Expression faultBodyExpression()

Returns the expression for the fault messages body

faultBodyExpression

public static <T> org.apache.camel.Expression faultBodyExpression(Class<T> type)

Returns the expression for the exchanges fault message body converted to the given type

exchangeExpression

public static org.apache.camel.Expression exchangeExpression()

Returns the expression for the exchange

exchangeExpression

public static org.apache.camel.Expression exchangeExpression(Function<org.apache.camel.Exchange,Object> function)

Returns a functional expression for the exchange

messageExpression

public static org.apache.camel.Expression messageExpression()

Returns the expression for the IN message

messageExpression

public static org.apache.camel.Expression messageExpression(Function<org.apache.camel.Message,Object> function)

Returns a functional expression for the IN message

inMessageExpression

public static org.apache.camel.Expression inMessageExpression()

Returns the expression for the IN message

inMessageExpression

public static org.apache.camel.Expression inMessageExpression(Function<org.apache.camel.Message,Object> function)

Returns a functional expression for the IN message

outMessageExpression

public static org.apache.camel.Expression outMessageExpression()

Returns the expression for the OUT message

outMessageExpression

public static org.apache.camel.Expression outMessageExpression(Function<org.apache.camel.Message,Object> function)

Returns a functional expression for the OUT message

convertToExpression

public static org.apache.camel.Expression convertToExpression(org.apache.camel.Expression expression,
                                                              Class<?> type)

Returns an expression which converts the given expression to the given type

convertToExpression

public static org.apache.camel.Expression convertToExpression(org.apache.camel.Expression expression,
                                                              org.apache.camel.Expression type)

Returns an expression which converts the given expression to the given type the type expression is evaluated to

tokenizeExpression

public static org.apache.camel.Expression tokenizeExpression(org.apache.camel.Expression expression,
                                                             String token)

Returns a tokenize expression which will tokenize the string with the given token

skipFirstExpression

public static org.apache.camel.Expression skipFirstExpression(org.apache.camel.Expression expression)

Returns an expression that skips the first element

tokenizePairExpression

public static org.apache.camel.Expression tokenizePairExpression(String startToken,
                                                                 String endToken,
                                                                 boolean includeTokens)

Returns an TokenPairExpressionIterator expression

tokenizeXMLExpression

public static org.apache.camel.Expression tokenizeXMLExpression(String tagName,
                                                                String inheritNamespaceTagName)

Returns an TokenXMLExpressionIterator expression

tokenizeXMLAwareExpression

public static org.apache.camel.Expression tokenizeXMLAwareExpression(String path,
                                                                     char mode)

tokenizeXMLAwareExpression

public static org.apache.camel.Expression tokenizeXMLAwareExpression(String path,
                                                                     char mode,
                                                                     int group)

regexTokenizeExpression

public static org.apache.camel.Expression regexTokenizeExpression(org.apache.camel.Expression expression,
                                                                  String regexTokenizer)

Returns a tokenize expression which will tokenize the string with the given regex

groupXmlIteratorExpression

public static org.apache.camel.Expression groupXmlIteratorExpression(org.apache.camel.Expression expression,
                                                                     String group)

groupIteratorExpression

public static org.apache.camel.Expression groupIteratorExpression(org.apache.camel.Expression expression,
                                                                  String token,
                                                                  String group,
                                                                  boolean skipFirst)

skipIteratorExpression

public static org.apache.camel.Expression skipIteratorExpression(org.apache.camel.Expression expression,
                                                                 int skip)

sortExpression

public static org.apache.camel.Expression sortExpression(org.apache.camel.Expression expression,
                                                         Comparator comparator)

Returns a sort expression which will sort the expression with the given comparator.

The expression is evaluated as a List object to allow sorting.

regexReplaceAll

public static org.apache.camel.Expression regexReplaceAll(org.apache.camel.Expression expression,
                                                          String regex,
                                                          String replacement)

Transforms the expression into a String then performs the regex replaceAll to transform the String and return the result

regexReplaceAll

public static org.apache.camel.Expression regexReplaceAll(org.apache.camel.Expression expression,
                                                          String regex,
                                                          org.apache.camel.Expression replacementExpression)

Transforms the expression into a String then performs the regex replaceAll to transform the String and return the result

append

public static org.apache.camel.Expression append(org.apache.camel.Expression left,
                                                 org.apache.camel.Expression right)

Appends the String evaluations of the two expressions together

prepend

public static org.apache.camel.Expression prepend(org.apache.camel.Expression left,
                                                  org.apache.camel.Expression right)

Prepends the String evaluations of the two expressions together

concatExpression

public static org.apache.camel.Expression concatExpression(Collection<org.apache.camel.Expression> expressions)

Returns an expression which returns the string concatenation value of the various expressions

Parameters:

expressions - the expression to be concatenated dynamically

Returns:

an expression which when evaluated will return the concatenated values

concatExpression

public static org.apache.camel.Expression concatExpression(Collection<org.apache.camel.Expression> expressions,
                                                           String description)

Returns an expression which returns the string concatenation value of the various expressions

Parameters:

expressions - the expression to be concatenated dynamically

description - the text description of the expression

Returns:

an expression which when evaluated will return the concatenated values

messageIdExpression

public static org.apache.camel.Expression messageIdExpression()

Returns an Expression for the inbound message id

exchangeIdExpression

public static org.apache.camel.Expression exchangeIdExpression()

Returns an Expression for the exchange id

routeIdExpression

public static org.apache.camel.Expression routeIdExpression()

Returns an Expression for the route id

dateExpression

public static org.apache.camel.Expression dateExpression(String command)

dateExpression

public static org.apache.camel.Expression dateExpression(String command,
                                                         String pattern)

dateExpression

public static org.apache.camel.Expression dateExpression(String commandWithOffsets,
                                                         String timezone,
                                                         String pattern)

simpleExpression

public static org.apache.camel.Expression simpleExpression(String expression)

beanExpression

public static org.apache.camel.Expression beanExpression(String expression)

beanExpression

@Deprecated
public static org.apache.camel.Expression beanExpression(Class<?> beanType,
                                                                     String methodName)

Deprecated.

beanExpression

@Deprecated
public static org.apache.camel.Expression beanExpression(Object bean,
                                                                     String methodName)

Deprecated.

beanExpression

@Deprecated
public static org.apache.camel.Expression beanExpression(String beanRef,
                                                                     String methodName)

Deprecated.

toExpression

@Deprecated
public static org.apache.camel.Expression toExpression(String uri)

Deprecated. not in use, and not available in XML DSL

Returns an expression processing the exchange to the given endpoint uri

Parameters:

uri - endpoint uri to send the exchange to

Returns:

an expression object which will return the OUT body

fileNameExpression

public static org.apache.camel.Expression fileNameExpression()

fileOnlyNameExpression

public static org.apache.camel.Expression fileOnlyNameExpression()

fileNameNoExtensionExpression

public static org.apache.camel.Expression fileNameNoExtensionExpression()

fileNameNoExtensionSingleExpression

public static org.apache.camel.Expression fileNameNoExtensionSingleExpression()

fileOnlyNameNoExtensionExpression

public static org.apache.camel.Expression fileOnlyNameNoExtensionExpression()

fileOnlyNameNoExtensionSingleExpression

public static org.apache.camel.Expression fileOnlyNameNoExtensionSingleExpression()

fileExtensionExpression

public static org.apache.camel.Expression fileExtensionExpression()

fileExtensionSingleExpression

public static org.apache.camel.Expression fileExtensionSingleExpression()

fileParentExpression

public static org.apache.camel.Expression fileParentExpression()

filePathExpression

public static org.apache.camel.Expression filePathExpression()

fileAbsolutePathExpression

public static org.apache.camel.Expression fileAbsolutePathExpression()

fileAbsoluteExpression

public static org.apache.camel.Expression fileAbsoluteExpression()

fileSizeExpression

public static org.apache.camel.Expression fileSizeExpression()

fileLastModifiedExpression

public static org.apache.camel.Expression fileLastModifiedExpression()

parseSimpleOrFallbackToConstantExpression

public static org.apache.camel.Expression parseSimpleOrFallbackToConstantExpression(String str,
                                                                                    org.apache.camel.CamelContext camelContext)

Returns Simple expression or fallback to Constant expression if expression str is not Simple expression.

propertiesComponentExpression

public static org.apache.camel.Expression propertiesComponentExpression(String key,
                                                                        String locations,
                                                                        String defaultValue)

randomExpression

public static org.apache.camel.Expression randomExpression(int max)

Returns a random number between 0 and max (exclusive)

randomExpression

public static org.apache.camel.Expression randomExpression(int min,
                                                           int max)

Returns a random number between min and max (exclusive)

randomExpression

public static org.apache.camel.Expression randomExpression(String min,
                                                           String max)

Returns a random number between min and max (exclusive)

skipExpression

public static org.apache.camel.Expression skipExpression(String expression,
                                                         int number)

Returns an iterator to skip (iterate) the given expression

collateExpression

public static org.apache.camel.Expression collateExpression(String expression,
                                                            int group)

Returns an iterator to collate (iterate) the given expression

messageHistoryExpression

public static org.apache.camel.Expression messageHistoryExpression(boolean detailed)

Returns the message history (including exchange details or not)