org.apache.camel.support.builder

Class PredicateBuilder

java.lang.Object

org.apache.camel.support.builder.PredicateBuilder

public class PredicateBuilder
extends Object

A helper class for working with predicates

Constructor Summary

Constructors

Constructor and Description
PredicateBuilder()

Method Summary

Modifier and Type	Method and Description
static org.apache.camel.Predicate	and(List<org.apache.camel.Predicate> predicates) Concat the given predicates into a single predicate, which only matches if all the predicates matches.
static org.apache.camel.Predicate	and(org.apache.camel.Predicate... predicates) Concat the given predicates into a single predicate, which only matches if all the predicates matches.
static org.apache.camel.Predicate	and(org.apache.camel.Predicate left, org.apache.camel.Predicate right) A helper method to combine multiple predicates by a logical AND
static org.apache.camel.Predicate	constant(boolean answer) A constant predicate.
static org.apache.camel.Predicate	contains(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	containsIgnoreCase(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	endsWith(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	in(List<org.apache.camel.Predicate> predicates) A helper method to return true if any of the predicates matches.
static org.apache.camel.Predicate	in(org.apache.camel.Predicate... predicates) A helper method to return true if any of the predicates matches.
static org.apache.camel.Predicate	isEqualTo(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isEqualToIgnoreCase(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isGreaterThan(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isGreaterThanOrEqualTo(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isInstanceOf(org.apache.camel.Expression expression, Class<?> type)
static org.apache.camel.Predicate	isLessThan(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isLessThanOrEqualTo(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isNotEqualTo(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	isNotNull(org.apache.camel.Expression expression)
static org.apache.camel.Predicate	isNull(org.apache.camel.Expression expression)
static org.apache.camel.Predicate	not(org.apache.camel.Predicate predicate) A helper method to return the logical not of the given predicate
static org.apache.camel.Predicate	or(List<org.apache.camel.Predicate> predicates) Concat the given predicates into a single predicate, which matches if at least one predicates matches.
static org.apache.camel.Predicate	or(org.apache.camel.Predicate... predicates) Concat the given predicates into a single predicate, which matches if at least one predicates matches.
static org.apache.camel.Predicate	or(org.apache.camel.Predicate left, org.apache.camel.Predicate right) A helper method to combine two predicates by a logical OR.
static org.apache.camel.Predicate	regex(org.apache.camel.Expression expression, Pattern pattern) Returns a predicate which is true if the expression matches the given regular expression
static org.apache.camel.Predicate	regex(org.apache.camel.Expression expression, String regex) Returns a predicate which is true if the expression matches the given regular expression
static org.apache.camel.Predicate	startsWith(org.apache.camel.Expression left, org.apache.camel.Expression right)
static org.apache.camel.Predicate	toPredicate(org.apache.camel.Expression expression) Converts the given expression into an Predicate

Methods inherited from class java.lang.Object

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

Constructor Detail

PredicateBuilder

public PredicateBuilder()

Method Detail

toPredicate

public static org.apache.camel.Predicate toPredicate(org.apache.camel.Expression expression)

Converts the given expression into an Predicate

not

public static org.apache.camel.Predicate not(org.apache.camel.Predicate predicate)

A helper method to return the logical not of the given predicate

and

public static org.apache.camel.Predicate and(org.apache.camel.Predicate left,
                                             org.apache.camel.Predicate right)

A helper method to combine multiple predicates by a logical AND

or

public static org.apache.camel.Predicate or(org.apache.camel.Predicate left,
                                            org.apache.camel.Predicate right)

A helper method to combine two predicates by a logical OR. If you want to combine multiple predicates see in(Predicate...)

or

public static org.apache.camel.Predicate or(List<org.apache.camel.Predicate> predicates)

Concat the given predicates into a single predicate, which matches if at least one predicates matches.

Parameters:

predicates - predicates

Returns:

a single predicate containing all the predicates

or

public static org.apache.camel.Predicate or(org.apache.camel.Predicate... predicates)

Concat the given predicates into a single predicate, which matches if at least one predicates matches.

Parameters:

predicates - predicates

Returns:

a single predicate containing all the predicates

in

public static org.apache.camel.Predicate in(org.apache.camel.Predicate... predicates)

A helper method to return true if any of the predicates matches.

in

public static org.apache.camel.Predicate in(List<org.apache.camel.Predicate> predicates)

A helper method to return true if any of the predicates matches.

isEqualTo

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

isEqualToIgnoreCase

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

isNotEqualTo

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

isLessThan

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

isLessThanOrEqualTo

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

isGreaterThan

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

isGreaterThanOrEqualTo

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

contains

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

containsIgnoreCase

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

isNull

public static org.apache.camel.Predicate isNull(org.apache.camel.Expression expression)

isNotNull

public static org.apache.camel.Predicate isNotNull(org.apache.camel.Expression expression)

isInstanceOf

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

startsWith

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

endsWith

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

regex

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

Returns a predicate which is true if the expression matches the given regular expression

Parameters:

expression - the expression to evaluate

regex - the regular expression to match against

Returns:

a new predicate

regex

public static org.apache.camel.Predicate regex(org.apache.camel.Expression expression,
                                               Pattern pattern)

Returns a predicate which is true if the expression matches the given regular expression

Parameters:

expression - the expression to evaluate

pattern - the regular expression to match against

Returns:

a new predicate

and

public static org.apache.camel.Predicate and(List<org.apache.camel.Predicate> predicates)

Concat the given predicates into a single predicate, which only matches if all the predicates matches.

Parameters:

predicates - predicates

Returns:

a single predicate containing all the predicates

and

public static org.apache.camel.Predicate and(org.apache.camel.Predicate... predicates)

Concat the given predicates into a single predicate, which only matches if all the predicates matches.

Parameters:

predicates - predicates

Returns:

a single predicate containing all the predicates

constant

public static org.apache.camel.Predicate constant(boolean answer)

A constant predicate.

Parameters:

answer - the constant matches

Returns:

a predicate that always returns the given answer.