org.apache.camel.model.language

Class ExpressionDefinition

java.lang.Object

org.apache.camel.model.language.ExpressionDefinition

All Implemented Interfaces:

org.apache.camel.Expression, org.apache.camel.ExpressionFactory, DefinitionPropertyPlaceholderConfigurer, OtherAttributesAware, org.apache.camel.Predicate, org.apache.camel.spi.PropertyConfigurer, org.apache.camel.spi.PropertyPlaceholderConfigurer

Direct Known Subclasses:

ConstantExpression, ExchangePropertyExpression, GroovyExpression, HeaderExpression, Hl7TerserExpression, JsonPathExpression, LanguageExpression, MethodCallExpression, MvelExpression, NamespaceAwareExpression, OgnlExpression, RefExpression, SimpleExpression, SpELExpression, TokenizerExpression

@Metadata(label="language",
          title="Expression")
public class ExpressionDefinition
extends Object
implements org.apache.camel.Expression, org.apache.camel.Predicate, OtherAttributesAware, org.apache.camel.ExpressionFactory, DefinitionPropertyPlaceholderConfigurer

A useful base class for an expression

Constructor Summary

Constructors

Constructor and Description
ExpressionDefinition()
ExpressionDefinition(org.apache.camel.Expression expression)
ExpressionDefinition(org.apache.camel.Predicate predicate)
ExpressionDefinition(String expression)

Method Summary

Modifier and Type	Method and Description
void	assertMatches(String text, org.apache.camel.Exchange exchange)
protected void	configureExpression(org.apache.camel.CamelContext camelContext, org.apache.camel.Expression expression)
protected void	configurePredicate(org.apache.camel.CamelContext camelContext, org.apache.camel.Predicate predicate)
org.apache.camel.Expression	createExpression(org.apache.camel.CamelContext camelContext)
org.apache.camel.Expression	createExpression(org.apache.camel.spi.RouteContext routeContext)
org.apache.camel.Predicate	createPredicate(org.apache.camel.CamelContext camelContext)
org.apache.camel.Predicate	createPredicate(org.apache.camel.spi.RouteContext routeContext)
Object	evaluate(org.apache.camel.Exchange exchange)
<T> T	evaluate(org.apache.camel.Exchange exchange, Class<T> type)
String	getExpression()
ExpressionDefinition	getExpressionType()
org.apache.camel.Expression	getExpressionValue()
String	getId()
String	getLabel() Returns some descriptive text to describe this node
static String	getLabel(List<ExpressionDefinition> expressions)
String	getLanguage()
Map<QName,Object>	getOtherAttributes() Adds optional attribute to use as property placeholder
org.apache.camel.Predicate	getPredicate()
Boolean	getTrim()
boolean	matches(org.apache.camel.Exchange exchange)
void	setExpression(String expression) The expression value in your chosen language syntax
protected void	setExpressionType(ExpressionDefinition expressionType) Allows derived classes to set a lazily created expressionType instance such as if using the ExpressionClause
protected void	setExpressionValue(org.apache.camel.Expression expressionValue)
void	setId(String value) Sets the id of this node
void	setOtherAttributes(Map<QName,Object> otherAttributes) Adds optional attribute to use as property placeholder
protected void	setProperty(org.apache.camel.CamelContext camelContext, Object bean, String name, Object value) Sets a named property on the object instance using introspection
void	setTrim(Boolean trim) Whether to trim the value to remove leading and trailing whitespaces and line breaks
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.model.DefinitionPropertyPlaceholderConfigurer

getReadPropertyPlaceholderOptions, getWritePropertyPlaceholderOptions

Constructor Detail

ExpressionDefinition

public ExpressionDefinition()

ExpressionDefinition

public ExpressionDefinition(String expression)

ExpressionDefinition

public ExpressionDefinition(org.apache.camel.Predicate predicate)

ExpressionDefinition

public ExpressionDefinition(org.apache.camel.Expression expression)

Method Detail

getLabel

public static String getLabel(List<ExpressionDefinition> expressions)

toString

public String toString()

Overrides:

toString in class Object

evaluate

public Object evaluate(org.apache.camel.Exchange exchange)

evaluate

public <T> T evaluate(org.apache.camel.Exchange exchange,
                      Class<T> type)

Specified by:

evaluate in interface org.apache.camel.Expression

assertMatches

public void assertMatches(String text,
                          org.apache.camel.Exchange exchange)
                   throws AssertionError

Throws:

AssertionError

matches

public boolean matches(org.apache.camel.Exchange exchange)

Specified by:

matches in interface org.apache.camel.Predicate

getLanguage

public String getLanguage()

createPredicate

public final org.apache.camel.Predicate createPredicate(org.apache.camel.spi.RouteContext routeContext)

createPredicate

public org.apache.camel.Predicate createPredicate(org.apache.camel.CamelContext camelContext)

createExpression

public final org.apache.camel.Expression createExpression(org.apache.camel.spi.RouteContext routeContext)

createExpression

public org.apache.camel.Expression createExpression(org.apache.camel.CamelContext camelContext)

Specified by:

createExpression in interface org.apache.camel.ExpressionFactory

getExpression

public String getExpression()

setExpression

public void setExpression(String expression)

The expression value in your chosen language syntax

getId

public String getId()

setId

public void setId(String value)

Sets the id of this node

getPredicate

public org.apache.camel.Predicate getPredicate()

getExpressionValue

public org.apache.camel.Expression getExpressionValue()

setExpressionValue

protected void setExpressionValue(org.apache.camel.Expression expressionValue)

getExpressionType

public ExpressionDefinition getExpressionType()

getTrim

public Boolean getTrim()

setTrim

public void setTrim(Boolean trim)

Whether to trim the value to remove leading and trailing whitespaces and line breaks

getOtherAttributes

public Map<QName,Object> getOtherAttributes()

Description copied from interface: OtherAttributesAware

Adds optional attribute to use as property placeholder

Specified by:

getOtherAttributes in interface OtherAttributesAware

setOtherAttributes

public void setOtherAttributes(Map<QName,Object> otherAttributes)

Description copied from interface: OtherAttributesAware

Adds optional attribute to use as property placeholder

Specified by:

setOtherAttributes in interface OtherAttributesAware

getLabel

public String getLabel()

Returns some descriptive text to describe this node

setExpressionType

protected void setExpressionType(ExpressionDefinition expressionType)

Allows derived classes to set a lazily created expressionType instance such as if using the ExpressionClause

configurePredicate

protected void configurePredicate(org.apache.camel.CamelContext camelContext,
                                  org.apache.camel.Predicate predicate)

configureExpression

protected void configureExpression(org.apache.camel.CamelContext camelContext,
                                   org.apache.camel.Expression expression)

setProperty

protected void setProperty(org.apache.camel.CamelContext camelContext,
                           Object bean,
                           String name,
                           Object value)

Sets a named property on the object instance using introspection